Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

46 files changed, 3818 insertions, 0 deletions

diff --git a/testing/mozbase/mozprofile/mozprofile/__init__.py b/testing/mozbase/mozprofile/mozprofile/__init__.py
new file mode 100644
index 0000000000..454514a7d1
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/__init__.py
@@ -0,0 +1,20 @@
+# flake8: noqa
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""
+To use mozprofile as an API you can import mozprofile.profile_ and/or the AddonManager_.
+
+``mozprofile.profile`` features a generic ``Profile`` class.  In addition,
+subclasses ``FirefoxProfile`` and ``ThundebirdProfile`` are available
+with preset preferences for those applications.
+"""
+
+from mozprofile.addons import *
+from mozprofile.cli import *
+from mozprofile.diff import *
+from mozprofile.permissions import *
+from mozprofile.prefs import *
+from mozprofile.profile import *
+from mozprofile.view import *
diff --git a/testing/mozbase/mozprofile/mozprofile/addons.py b/testing/mozbase/mozprofile/mozprofile/addons.py
new file mode 100644
index 0000000000..e2450e61dc
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/addons.py
@@ -0,0 +1,354 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import binascii
+import hashlib
+import json
+import os
+import shutil
+import sys
+import tempfile
+import zipfile
+from xml.dom import minidom
+
+import mozfile
+from mozlog.unstructured import getLogger
+from six import reraise, string_types
+
+_SALT = binascii.hexlify(os.urandom(32))
+_TEMPORARY_ADDON_SUFFIX = "@temporary-addon"
+
+# Logger for 'mozprofile.addons' module
+module_logger = getLogger(__name__)
+
+
+class AddonFormatError(Exception):
+    """Exception for not well-formed add-on manifest files"""
+
+
+class AddonManager(object):
+    """
+    Handles all operations regarding addons in a profile including:
+    installing and cleaning addons
+    """
+
+    def __init__(self, profile, restore=True):
+        """
+        :param profile: the path to the profile for which we install addons
+        :param restore: whether to reset to the previous state on instance garbage collection
+        """
+        self.profile = profile
+        self.restore = restore
+
+        # Initialize all class members
+        self._internal_init()
+
+    def _internal_init(self):
+        """Internal: Initialize all class members to their default value"""
+
+        # Add-ons installed; needed for cleanup
+        self._addons = []
+
+        # Backup folder for already existing addons
+        self.backup_dir = None
+
+        # Information needed for profile reset (see http://bit.ly/17JesUf)
+        self.installed_addons = []
+
+    def __del__(self):
+        # reset to pre-instance state
+        if self.restore:
+            self.clean()
+
+    def clean(self):
+        """Clean up addons in the profile."""
+
+        # Remove all add-ons installed
+        for addon in self._addons:
+            # TODO (bug 934642)
+            # Once we have a proper handling of add-ons we should kill the id
+            # from self._addons once the add-on is removed. For now lets forget
+            # about the exception
+            try:
+                self.remove_addon(addon)
+            except IOError:
+                pass
+
+        # restore backups
+        if self.backup_dir and os.path.isdir(self.backup_dir):
+            extensions_path = os.path.join(self.profile, "extensions")
+
+            for backup in os.listdir(self.backup_dir):
+                backup_path = os.path.join(self.backup_dir, backup)
+                shutil.move(backup_path, extensions_path)
+
+            if not os.listdir(self.backup_dir):
+                mozfile.remove(self.backup_dir)
+
+        # reset instance variables to defaults
+        self._internal_init()
+
+    def get_addon_path(self, addon_id):
+        """Returns the path to the installed add-on
+
+        :param addon_id: id of the add-on to retrieve the path from
+        """
+        # By default we should expect add-ons being located under the
+        # extensions folder.
+        extensions_path = os.path.join(self.profile, "extensions")
+        paths = [
+            os.path.join(extensions_path, addon_id),
+            os.path.join(extensions_path, addon_id + ".xpi"),
+        ]
+        for path in paths:
+            if os.path.exists(path):
+                return path
+
+        raise IOError("Add-on not found: %s" % addon_id)
+
+    @classmethod
+    def is_addon(self, addon_path):
+        """
+        Checks if the given path is a valid addon
+
+        :param addon_path: path to the add-on directory or XPI
+        """
+        try:
+            self.addon_details(addon_path)
+            return True
+        except AddonFormatError:
+            return False
+
+    def _install_addon(self, path, unpack=False):
+        addons = [path]
+
+        # if path is not an add-on, try to install all contained add-ons
+        try:
+            self.addon_details(path)
+        except AddonFormatError as e:
+            module_logger.warning("Could not install %s: %s" % (path, str(e)))
+
+            # If the path doesn't exist, then we don't really care, just return
+            if not os.path.isdir(path):
+                return
+
+            addons = [
+                os.path.join(path, x)
+                for x in os.listdir(path)
+                if self.is_addon(os.path.join(path, x))
+            ]
+            addons.sort()
+
+        # install each addon
+        for addon in addons:
+            # determine the addon id
+            addon_details = self.addon_details(addon)
+            addon_id = addon_details.get("id")
+
+            # if the add-on has to be unpacked force it now
+            # note: we might want to let Firefox do it in case of addon details
+            orig_path = None
+            if os.path.isfile(addon) and (unpack or addon_details["unpack"]):
+                orig_path = addon
+                addon = tempfile.mkdtemp()
+                mozfile.extract(orig_path, addon)
+
+            # copy the addon to the profile
+            extensions_path = os.path.join(self.profile, "extensions")
+            addon_path = os.path.join(extensions_path, addon_id)
+
+            if os.path.isfile(addon):
+                addon_path += ".xpi"
+
+                # move existing xpi file to backup location to restore later
+                if os.path.exists(addon_path):
+                    self.backup_dir = self.backup_dir or tempfile.mkdtemp()
+                    shutil.move(addon_path, self.backup_dir)
+
+                # copy new add-on to the extension folder
+                if not os.path.exists(extensions_path):
+                    os.makedirs(extensions_path)
+                shutil.copy(addon, addon_path)
+            else:
+                # move existing folder to backup location to restore later
+                if os.path.exists(addon_path):
+                    self.backup_dir = self.backup_dir or tempfile.mkdtemp()
+                    shutil.move(addon_path, self.backup_dir)
+
+                # copy new add-on to the extension folder
+                shutil.copytree(addon, addon_path, symlinks=True)
+
+            # if we had to extract the addon, remove the temporary directory
+            if orig_path:
+                mozfile.remove(addon)
+                addon = orig_path
+
+            self._addons.append(addon_id)
+            self.installed_addons.append(addon)
+
+    def install(self, addons, **kwargs):
+        """
+        Installs addons from a filepath or directory of addons in the profile.
+
+        :param addons: paths to .xpi or addon directories
+        :param unpack: whether to unpack unless specified otherwise in the install.rdf
+        """
+        if not addons:
+            return
+
+        # install addon paths
+        if isinstance(addons, string_types):
+            addons = [addons]
+        for addon in set(addons):
+            self._install_addon(addon, **kwargs)
+
+    @classmethod
+    def _gen_iid(cls, addon_path):
+        hash = hashlib.sha1(_SALT)
+        hash.update(addon_path.encode())
+        return hash.hexdigest() + _TEMPORARY_ADDON_SUFFIX
+
+    @classmethod
+    def addon_details(cls, addon_path):
+        """
+        Returns a dictionary of details about the addon.
+
+        :param addon_path: path to the add-on directory or XPI
+
+        Returns::
+
+            {'id':      u'rainbow@colors.org', # id of the addon
+             'version': u'1.4',                # version of the addon
+             'name':    u'Rainbow',            # name of the addon
+             'unpack':  False }                # whether to unpack the addon
+        """
+
+        details = {"id": None, "unpack": False, "name": None, "version": None}
+
+        def get_namespace_id(doc, url):
+            attributes = doc.documentElement.attributes
+            namespace = ""
+            for i in range(attributes.length):
+                if attributes.item(i).value == url:
+                    if ":" in attributes.item(i).name:
+                        # If the namespace is not the default one remove 'xlmns:'
+                        namespace = attributes.item(i).name.split(":")[1] + ":"
+                        break
+            return namespace
+
+        def get_text(element):
+            """Retrieve the text value of a given node"""
+            rc = []
+            for node in element.childNodes:
+                if node.nodeType == node.TEXT_NODE:
+                    rc.append(node.data)
+            return "".join(rc).strip()
+
+        if not os.path.exists(addon_path):
+            raise IOError("Add-on path does not exist: %s" % addon_path)
+
+        is_webext = False
+        try:
+            if zipfile.is_zipfile(addon_path):
+                with zipfile.ZipFile(addon_path, "r") as compressed_file:
+                    filenames = [f.filename for f in (compressed_file).filelist]
+                    if "install.rdf" in filenames:
+                        manifest = compressed_file.read("install.rdf")
+                    elif "manifest.json" in filenames:
+                        is_webext = True
+                        manifest = compressed_file.read("manifest.json").decode()
+                        manifest = json.loads(manifest)
+                    else:
+                        raise KeyError("No manifest")
+            elif os.path.isdir(addon_path):
+                entries = os.listdir(addon_path)
+                # Beginning with https://phabricator.services.mozilla.com/D126174
+                # directories may exist that contain one single XPI. If that's
+                # the case we need to process it just as we do above.
+                if len(entries) == 1 and zipfile.is_zipfile(
+                    os.path.join(addon_path, entries[0])
+                ):
+                    with zipfile.ZipFile(
+                        os.path.join(addon_path, entries[0]), "r"
+                    ) as compressed_file:
+                        filenames = [f.filename for f in (compressed_file).filelist]
+                        if "install.rdf" in filenames:
+                            manifest = compressed_file.read("install.rdf")
+                        elif "manifest.json" in filenames:
+                            is_webext = True
+                            manifest = compressed_file.read("manifest.json").decode()
+                            manifest = json.loads(manifest)
+                        else:
+                            raise KeyError("No manifest")
+                # Otherwise, treat is an already unpacked XPI.
+                else:
+                    try:
+                        with open(os.path.join(addon_path, "install.rdf")) as f:
+                            manifest = f.read()
+                    except IOError:
+                        with open(os.path.join(addon_path, "manifest.json")) as f:
+                            manifest = json.loads(f.read())
+                            is_webext = True
+            else:
+                raise IOError(
+                    "Add-on path is neither an XPI nor a directory: %s" % addon_path
+                )
+        except (IOError, KeyError) as e:
+            reraise(AddonFormatError, AddonFormatError(str(e)), sys.exc_info()[2])
+
+        if is_webext:
+            details["version"] = manifest["version"]
+            details["name"] = manifest["name"]
+            # Bug 1572404 - we support two locations for gecko-specific
+            # metadata.
+            for location in ("applications", "browser_specific_settings"):
+                try:
+                    details["id"] = manifest[location]["gecko"]["id"]
+                    break
+                except KeyError:
+                    pass
+            if details["id"] is None:
+                details["id"] = cls._gen_iid(addon_path)
+            details["unpack"] = False
+        else:
+            try:
+                doc = minidom.parseString(manifest)
+
+                # Get the namespaces abbreviations
+                em = get_namespace_id(doc, "http://www.mozilla.org/2004/em-rdf#")
+                rdf = get_namespace_id(
+                    doc, "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+                )
+
+                description = doc.getElementsByTagName(rdf + "Description").item(0)
+                for entry, value in description.attributes.items():
+                    # Remove the namespace prefix from the tag for comparison
+                    entry = entry.replace(em, "")
+                    if entry in details.keys():
+                        details.update({entry: value})
+                for node in description.childNodes:
+                    # Remove the namespace prefix from the tag for comparison
+                    entry = node.nodeName.replace(em, "")
+                    if entry in details.keys():
+                        details.update({entry: get_text(node)})
+            except Exception as e:
+                reraise(AddonFormatError, AddonFormatError(str(e)), sys.exc_info()[2])
+
+        # turn unpack into a true/false value
+        if isinstance(details["unpack"], string_types):
+            details["unpack"] = details["unpack"].lower() == "true"
+
+        # If no ID is set, the add-on is invalid
+        if details.get("id") is None and not is_webext:
+            raise AddonFormatError("Add-on id could not be found.")
+
+        return details
+
+    def remove_addon(self, addon_id):
+        """Remove the add-on as specified by the id
+
+        :param addon_id: id of the add-on to be removed
+        """
+        path = self.get_addon_path(addon_id)
+        mozfile.remove(path)
diff --git a/testing/mozbase/mozprofile/mozprofile/cli.py b/testing/mozbase/mozprofile/mozprofile/cli.py
new file mode 100755
index 0000000000..7addb1165d
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/cli.py
@@ -0,0 +1,204 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""
+Creates and/or modifies a Firefox profile.
+The profile can be modified by passing in addons to install or preferences to set.
+If no profile is specified, a new profile is created and the path of the
+resulting profile is printed.
+"""
+import sys
+from optparse import OptionParser
+
+from .prefs import Preferences
+from .profile import FirefoxProfile, Profile
+
+__all__ = [
+    "MozProfileCLI",
+    "cli",
+    "KeyValueParseError",
+    "parse_key_value",
+    "parse_preferences",
+]
+
+
+class KeyValueParseError(Exception):
+    """Error when parsing strings of serialized key-values."""
+
+    def __init__(self, msg, errors=()):
+        self.errors = errors
+        Exception.__init__(self, msg)
+
+
+def parse_key_value(strings, separator="=", context="key, value"):
+    """Parse string-serialized key-value pairs in the form of `key = value`.
+
+    Args:
+        strings (list): List of strings to parse.
+        separator (str): Identifier used to split the strings.
+
+    Returns:
+        list: A list of (<key>, <value>) tuples. Whitespace is not stripped.
+
+    Raises:
+        KeyValueParseError
+    """
+
+    # syntax check
+    missing = [string for string in strings if separator not in string]
+    if missing:
+        raise KeyValueParseError(
+            "Error: syntax error in %s: %s" % (context, ",".join(missing)),
+            errors=missing,
+        )
+    return [string.split(separator, 1) for string in strings]
+
+
+def parse_preferences(prefs, context="--setpref="):
+    """Parse preferences specified on the command line.
+
+    Args:
+        prefs (list): A list of strings, usually of the form "<pref>=<value>".
+
+    Returns:
+        dict: A dictionary of the form {<pref>: <value>} where values have been
+              cast.
+    """
+    try:
+        prefs = dict(parse_key_value(prefs, context=context))
+    except KeyValueParseError as e:
+        print(str(e))
+        sys.exit(1)
+
+    return {k: Preferences.cast(v) for k, v in prefs.items()}
+
+
+class MozProfileCLI(object):
+    """The Command Line Interface for ``mozprofile``."""
+
+    module = "mozprofile"
+    profile_class = Profile
+
+    def __init__(self, args=sys.argv[1:], add_options=None):
+        self.parser = OptionParser(description=__doc__)
+        self.add_options(self.parser)
+        if add_options:
+            add_options(self.parser)
+        (self.options, self.args) = self.parser.parse_args(args)
+
+    def add_options(self, parser):
+
+        parser.add_option(
+            "-p",
+            "--profile",
+            dest="profile",
+            help="The path to the profile to operate on. "
+            "If none, creates a new profile in temp directory",
+        )
+        parser.add_option(
+            "-a",
+            "--addon",
+            dest="addons",
+            action="append",
+            default=[],
+            help="Addon paths to install. Can be a filepath, "
+            "a directory containing addons, or a url",
+        )
+        parser.add_option(
+            "--pref",
+            dest="prefs",
+            action="append",
+            default=[],
+            help="A preference to set. " "Must be a key-value pair separated by a ':'",
+        )
+        parser.add_option(
+            "--preferences",
+            dest="prefs_files",
+            action="append",
+            default=[],
+            metavar="FILE",
+            help="read preferences from a JSON or INI file. "
+            "For INI, use 'file.ini:section' to specify a particular section.",
+        )
+
+    def profile_args(self):
+        """arguments to instantiate the profile class"""
+        return dict(
+            profile=self.options.profile,
+            addons=self.options.addons,
+            preferences=self.preferences(),
+        )
+
+    def preferences(self):
+        """profile preferences"""
+
+        # object to hold preferences
+        prefs = Preferences()
+
+        # add preferences files
+        for prefs_file in self.options.prefs_files:
+            prefs.add_file(prefs_file)
+
+        # change CLI preferences into 2-tuples
+        cli_prefs = parse_key_value(self.options.prefs, separator=":")
+
+        # string preferences
+        prefs.add(cli_prefs, cast=True)
+
+        return prefs()
+
+    def profile(self, restore=False):
+        """create the profile"""
+
+        kwargs = self.profile_args()
+        kwargs["restore"] = restore
+        return self.profile_class(**kwargs)
+
+
+def cli(args=sys.argv[1:]):
+    """Handles the command line arguments for ``mozprofile`` via ``sys.argv``"""
+
+    # add a view method for this cli method only
+    def add_options(parser):
+        parser.add_option(
+            "--view",
+            dest="view",
+            action="store_true",
+            default=False,
+            help="view summary of profile following invocation",
+        )
+        parser.add_option(
+            "--firefox",
+            dest="firefox_profile",
+            action="store_true",
+            default=False,
+            help="use FirefoxProfile defaults",
+        )
+
+    # process the command line
+    cli = MozProfileCLI(args, add_options)
+
+    if cli.args:
+        cli.parser.error("Program doesn't support positional arguments.")
+
+    if cli.options.firefox_profile:
+        cli.profile_class = FirefoxProfile
+
+    # create the profile
+    profile = cli.profile()
+
+    if cli.options.view:
+        # view the profile, if specified
+        print(profile.summary())
+        return
+
+    # if no profile was passed in print the newly created profile
+    if not cli.options.profile:
+        print(profile.profile)
+
+
+if __name__ == "__main__":
+    cli()
diff --git a/testing/mozbase/mozprofile/mozprofile/diff.py b/testing/mozbase/mozprofile/mozprofile/diff.py
new file mode 100644
index 0000000000..f8376e4d7b
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/diff.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+"""
+diff two profile summaries
+"""
+
+import difflib
+import optparse
+import os
+import profile
+import sys
+
+__all__ = ["diff", "diff_profiles"]
+
+
+def diff(profile1, profile2, diff_function=difflib.unified_diff):
+
+    profiles = (profile1, profile2)
+    parts = {}
+    parts_dict = {}
+    for index in (0, 1):
+        prof = profiles[index]
+
+        # first part, the path, isn't useful for diffing
+        parts[index] = prof.summary(return_parts=True)[1:]
+
+        parts_dict[index] = dict(parts[index])
+
+    # keys the first profile is missing
+    first_missing = [i for i in parts_dict[1] if i not in parts_dict[0]]
+    parts[0].extend([(i, "") for i in first_missing])
+
+    # diffs
+    retval = []
+    for key, value in parts[0]:
+        other = parts_dict[1].get(key, "")
+        value = value.strip()
+        other = other.strip()
+
+        if key == "Files":
+            # first line of files is the path; we don't care to diff that
+            value = "\n".join(value.splitlines()[1:])
+            if other:
+                other = "\n".join(other.splitlines()[1:])
+
+        value = value.splitlines()
+        other = other.splitlines()
+        section_diff = list(
+            diff_function(value, other, profile1.profile, profile2.profile)
+        )
+        if section_diff:
+            retval.append((key, "\n".join(section_diff)))
+
+    return retval
+
+
+def diff_profiles(args=sys.argv[1:]):
+
+    # parse command line
+    usage = "%prog [options] profile1 profile2"
+    parser = optparse.OptionParser(usage=usage, description=__doc__)
+    options, args = parser.parse_args(args)
+    if len(args) != 2:
+        parser.error("Must give two profile paths")
+    missing = [arg for arg in args if not os.path.exists(arg)]
+    if missing:
+        parser.error("Profile not found: %s" % (", ".join(missing)))
+
+    # get the profile differences
+    diffs = diff(*([profile.Profile(arg) for arg in args]))
+
+    # display them
+    while diffs:
+        key, value = diffs.pop(0)
+        print("[%s]:\n" % key)
+        print(value)
+        if diffs:
+            print("-" * 4)
+
+
+if __name__ == "__main__":
+    diff_profiles()
diff --git a/testing/mozbase/mozprofile/mozprofile/permissions.py b/testing/mozbase/mozprofile/mozprofile/permissions.py
new file mode 100644
index 0000000000..ffb4e5acdb
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/permissions.py
@@ -0,0 +1,335 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+"""
+add permissions to the profile
+"""
+
+import codecs
+import os
+
+from six import string_types
+from six.moves.urllib import parse
+
+__all__ = [
+    "MissingPrimaryLocationError",
+    "MultiplePrimaryLocationsError",
+    "DEFAULT_PORTS",
+    "DuplicateLocationError",
+    "BadPortLocationError",
+    "LocationsSyntaxError",
+    "Location",
+    "ServerLocations",
+    "Permissions",
+]
+
+# http://hg.mozilla.org/mozilla-central/file/b871dfb2186f/build/automation.py.in#l28
+DEFAULT_PORTS = {"http": "8888", "https": "4443", "ws": "4443", "wss": "4443"}
+
+
+class LocationError(Exception):
+    """Signifies an improperly formed location."""
+
+    def __str__(self):
+        s = "Bad location"
+        m = str(Exception.__str__(self))
+        if m:
+            s += ": %s" % m
+        return s
+
+
+class MissingPrimaryLocationError(LocationError):
+    """No primary location defined in locations file."""
+
+    def __init__(self):
+        LocationError.__init__(self, "missing primary location")
+
+
+class MultiplePrimaryLocationsError(LocationError):
+    """More than one primary location defined."""
+
+    def __init__(self):
+        LocationError.__init__(self, "multiple primary locations")
+
+
+class DuplicateLocationError(LocationError):
+    """Same location defined twice."""
+
+    def __init__(self, url):
+        LocationError.__init__(self, "duplicate location: %s" % url)
+
+
+class BadPortLocationError(LocationError):
+    """Location has invalid port value."""
+
+    def __init__(self, given_port):
+        LocationError.__init__(self, "bad value for port: %s" % given_port)
+
+
+class LocationsSyntaxError(Exception):
+    """Signifies a syntax error on a particular line in server-locations.txt."""
+
+    def __init__(self, lineno, err=None):
+        self.err = err
+        self.lineno = lineno
+
+    def __str__(self):
+        s = "Syntax error on line %s" % self.lineno
+        if self.err:
+            s += ": %s." % self.err
+        else:
+            s += "."
+        return s
+
+
+class Location(object):
+    """Represents a location line in server-locations.txt."""
+
+    attrs = ("scheme", "host", "port")
+
+    def __init__(self, scheme, host, port, options):
+        for attr in self.attrs:
+            setattr(self, attr, locals()[attr])
+        self.options = options
+        try:
+            int(self.port)
+        except ValueError:
+            raise BadPortLocationError(self.port)
+
+    def isEqual(self, location):
+        """compare scheme://host:port, but ignore options"""
+        return len(
+            [i for i in self.attrs if getattr(self, i) == getattr(location, i)]
+        ) == len(self.attrs)
+
+    __eq__ = isEqual
+
+    def __hash__(self):
+        # pylint --py3k: W1641
+        return hash(tuple(getattr(attr) for attr in self.attrs))
+
+    def url(self):
+        return "%s://%s:%s" % (self.scheme, self.host, self.port)
+
+    def __str__(self):
+        return "%s  %s" % (self.url(), ",".join(self.options))
+
+
+class ServerLocations(object):
+    """Iterable collection of locations.
+    Use provided functions to add new locations, rather that manipulating
+    _locations directly, in order to check for errors and to ensure the
+    callback is called, if given.
+    """
+
+    def __init__(self, filename=None):
+        self._locations = []
+        self.hasPrimary = False
+        if filename:
+            self.read(filename)
+
+    def __iter__(self):
+        return self._locations.__iter__()
+
+    def __len__(self):
+        return len(self._locations)
+
+    def add(self, location):
+        if "primary" in location.options:
+            if self.hasPrimary:
+                raise MultiplePrimaryLocationsError()
+            self.hasPrimary = True
+
+        self._locations.append(location)
+
+    def add_host(self, host, port="80", scheme="http", options="privileged"):
+        if isinstance(options, string_types):
+            options = options.split(",")
+        self.add(Location(scheme, host, port, options))
+
+    def read(self, filename, check_for_primary=True):
+        """
+        Reads the file and adds all valid locations to the ``self._locations`` array.
+
+        :param filename: in the format of server-locations.txt_
+        :param check_for_primary: if True, a ``MissingPrimaryLocationError`` exception is raised
+          if no primary is found
+
+        .. _server-locations.txt: http://searchfox.org/mozilla-central/source/build/pgo/server-locations.txt # noqa
+
+        The only exception is that the port, if not defined, defaults to 80 or 443.
+
+        FIXME: Shouldn't this default to the protocol-appropriate port?  Is
+        there any reason to have defaults at all?
+        """
+
+        locationFile = codecs.open(filename, "r", "UTF-8")
+        lineno = 0
+        new_locations = []
+
+        for line in locationFile:
+            line = line.strip()
+            lineno += 1
+
+            # check for comments and blank lines
+            if line.startswith("#") or not line:
+                continue
+
+            # split the server from the options
+            try:
+                server, options = line.rsplit(None, 1)
+                options = options.split(",")
+            except ValueError:
+                server = line
+                options = []
+
+            # parse the server url
+            if "://" not in server:
+                server = "http://" + server
+            scheme, netloc, path, query, fragment = parse.urlsplit(server)
+            # get the host and port
+            try:
+                host, port = netloc.rsplit(":", 1)
+            except ValueError:
+                host = netloc
+                port = DEFAULT_PORTS.get(scheme, "80")
+
+            try:
+                location = Location(scheme, host, port, options)
+                self.add(location)
+            except LocationError as e:
+                raise LocationsSyntaxError(lineno, e)
+
+            new_locations.append(location)
+
+        # ensure that a primary is found
+        if check_for_primary and not self.hasPrimary:
+            raise LocationsSyntaxError(lineno + 1, MissingPrimaryLocationError())
+
+
+class Permissions(object):
+    """Allows handling of permissions for ``mozprofile``"""
+
+    def __init__(self, locations=None):
+        self._locations = ServerLocations()
+        if locations:
+            if isinstance(locations, ServerLocations):
+                self._locations = locations
+            elif isinstance(locations, list):
+                for l in locations:
+                    self._locations.add_host(**l)
+            elif isinstance(locations, dict):
+                self._locations.add_host(**locations)
+            elif os.path.exists(locations):
+                self._locations.read(locations)
+
+    def network_prefs(self, proxy=None):
+        """
+        take known locations and generate preferences to handle permissions and proxy
+        returns a tuple of prefs, user_prefs
+        """
+
+        prefs = []
+
+        if proxy:
+            dohServerPort = proxy.get("dohServerPort")
+            if dohServerPort is not None:
+                # make sure we don't use proxy
+                user_prefs = [("network.proxy.type", 0)]
+                # Use TRR_ONLY mode
+                user_prefs.append(("network.trr.mode", 3))
+                trrUri = "https://foo.example.com:{}/dns-query".format(dohServerPort)
+                user_prefs.append(("network.trr.uri", trrUri))
+                user_prefs.append(("network.trr.bootstrapAddr", "127.0.0.1"))
+                user_prefs.append(("network.dns.force_use_https_rr", True))
+            else:
+                user_prefs = self.pac_prefs(proxy)
+        else:
+            user_prefs = []
+
+        return prefs, user_prefs
+
+    def pac_prefs(self, user_proxy=None):
+        """
+        return preferences for Proxy Auto Config.
+        """
+        proxy = DEFAULT_PORTS.copy()
+
+        # We need to proxy every server but the primary one.
+        origins = ["'%s'" % l.url() for l in self._locations]
+        origins = ", ".join(origins)
+        proxy["origins"] = origins
+
+        for l in self._locations:
+            if "primary" in l.options:
+                proxy["remote"] = l.host
+                proxy[l.scheme] = l.port
+
+        # overwrite defaults with user specified proxy
+        if isinstance(user_proxy, dict):
+            proxy.update(user_proxy)
+
+        # TODO: this should live in a template!
+        # If you must escape things in this string with backslashes, be aware
+        # of the multiple layers of escaping at work:
+        #
+        # - Python will unescape backslashes;
+        # - Writing out the prefs will escape things via JSON serialization;
+        # - The prefs file reader will unescape backslashes;
+        # - The JS engine parser will unescape backslashes.
+        pacURL = (
+            """data:text/plain,
+var knownOrigins = (function () {
+  return [%(origins)s].reduce(function(t, h) { t[h] = true; return t; }, {})
+})();
+var uriRegex = new RegExp('^([a-z][-a-z0-9+.]*)' +
+                          '://' +
+                          '(?:[^/@]*@)?' +
+                          '(.*?)' +
+                          '(?::(\\\\d+))?/');
+var defaultPortsForScheme = {
+  'http': 80,
+  'ws': 80,
+  'https': 443,
+  'wss': 443
+};
+var originSchemesRemap = {
+  'ws': 'http',
+  'wss': 'https'
+};
+var proxyForScheme = {
+  'http': 'PROXY %(remote)s:%(http)s',
+  'https': 'PROXY %(remote)s:%(https)s',
+  'ws': 'PROXY %(remote)s:%(ws)s',
+  'wss': 'PROXY %(remote)s:%(wss)s'
+};
+
+function FindProxyForURL(url, host)
+{
+  var matches = uriRegex.exec(url);
+  if (!matches)
+    return 'DIRECT';
+  var originalScheme = matches[1];
+  var host = matches[2];
+  var port = matches[3];
+  if (!port && originalScheme in defaultPortsForScheme) {
+    port = defaultPortsForScheme[originalScheme];
+  }
+  var schemeForOriginChecking = originSchemesRemap[originalScheme] || originalScheme;
+
+  var origin = schemeForOriginChecking + '://' + host + ':' + port;
+  if (!(origin in knownOrigins))
+    return 'DIRECT';
+  return proxyForScheme[originalScheme] || 'DIRECT';
+}"""
+            % proxy
+        )
+        pacURL = "".join(pacURL.splitlines())
+
+        prefs = []
+        prefs.append(("network.proxy.type", 2))
+        prefs.append(("network.proxy.autoconfig_url", pacURL))
+
+        return prefs
diff --git a/testing/mozbase/mozprofile/mozprofile/prefs.py b/testing/mozbase/mozprofile/mozprofile/prefs.py
new file mode 100644
index 0000000000..6c3b1173c8
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/prefs.py
@@ -0,0 +1,263 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""
+user preferences
+"""
+import json
+import os
+import tokenize
+
+import mozfile
+import six
+from six import StringIO, string_types
+from six.moves.configparser import SafeConfigParser as ConfigParser
+
+if six.PY3:
+
+    def unicode(input):
+        return input
+
+
+__all__ = ("PreferencesReadError", "Preferences")
+
+
+class PreferencesReadError(Exception):
+    """read error for prefrences files"""
+
+
+class Preferences(object):
+    """assembly of preferences from various sources"""
+
+    def __init__(self, prefs=None):
+        self._prefs = []
+        if prefs:
+            self.add(prefs)
+
+    def add(self, prefs, cast=False):
+        """
+        :param prefs:
+        :param cast: whether to cast strings to value, e.g. '1' -> 1
+        """
+        # wants a list of 2-tuples
+        if isinstance(prefs, dict):
+            prefs = prefs.items()
+        if cast:
+            prefs = [(i, self.cast(j)) for i, j in prefs]
+        self._prefs += prefs
+
+    def add_file(self, path):
+        """a preferences from a file
+
+        :param path:
+        """
+        self.add(self.read(path))
+
+    def __call__(self):
+        return self._prefs
+
+    @classmethod
+    def cast(cls, value):
+        """
+        interpolate a preference from a string
+        from the command line or from e.g. an .ini file, there is no good way to denote
+        what type the preference value is, as natively it is a string
+
+        - integers will get cast to integers
+        - true/false will get cast to True/False
+        - anything enclosed in single quotes will be treated as a string
+          with the ''s removed from both sides
+        """
+
+        if not isinstance(value, string_types):
+            return value  # no op
+        quote = "'"
+        if value == "true":
+            return True
+        if value == "false":
+            return False
+        try:
+            return int(value)
+        except ValueError:
+            pass
+        if value.startswith(quote) and value.endswith(quote):
+            value = value[1:-1]
+        return value
+
+    @classmethod
+    def read(cls, path):
+        """read preferences from a file"""
+
+        section = None  # for .ini files
+        basename = os.path.basename(path)
+        if ":" in basename:
+            # section of INI file
+            path, section = path.rsplit(":", 1)
+
+        if not os.path.exists(path) and not mozfile.is_url(path):
+            raise PreferencesReadError("'%s' does not exist" % path)
+
+        if section:
+            try:
+                return cls.read_ini(path, section)
+            except PreferencesReadError:
+                raise
+            except Exception as e:
+                raise PreferencesReadError(str(e))
+
+        # try both JSON and .ini format
+        try:
+            return cls.read_json(path)
+        except Exception as e:
+            try:
+                return cls.read_ini(path)
+            except Exception as f:
+                for exception in e, f:
+                    if isinstance(exception, PreferencesReadError):
+                        raise exception
+                raise PreferencesReadError("Could not recognize format of %s" % path)
+
+    @classmethod
+    def read_ini(cls, path, section=None):
+        """read preferences from an .ini file"""
+
+        parser = ConfigParser()
+        parser.optionxform = str
+        parser.readfp(mozfile.load(path))
+
+        if section:
+            if section not in parser.sections():
+                raise PreferencesReadError("No section '%s' in %s" % (section, path))
+            retval = parser.items(section, raw=True)
+        else:
+            retval = parser.defaults().items()
+
+        # cast the preferences since .ini is just strings
+        return [(i, cls.cast(j)) for i, j in retval]
+
+    @classmethod
+    def read_json(cls, path):
+        """read preferences from a JSON blob"""
+
+        prefs = json.loads(mozfile.load(path).read())
+
+        if type(prefs) not in [list, dict]:
+            raise PreferencesReadError("Malformed preferences: %s" % path)
+        if isinstance(prefs, list):
+            if [i for i in prefs if type(i) != list or len(i) != 2]:
+                raise PreferencesReadError("Malformed preferences: %s" % path)
+            values = [i[1] for i in prefs]
+        elif isinstance(prefs, dict):
+            values = prefs.values()
+        else:
+            raise PreferencesReadError("Malformed preferences: %s" % path)
+        types = (bool, string_types, int)
+        if [i for i in values if not any([isinstance(i, j) for j in types])]:
+            raise PreferencesReadError("Only bool, string, and int values allowed")
+        return prefs
+
+    @classmethod
+    def read_prefs(cls, path, pref_setter="user_pref", interpolation=None):
+        """
+        Read preferences from (e.g.) prefs.js
+
+        :param path: The path to the preference file to read.
+        :param pref_setter: The name of the function used to set preferences
+                            in the preference file.
+        :param interpolation: If provided, a dict that will be passed
+                              to str.format to interpolate preference values.
+        """
+
+        marker = "##//"  # magical marker
+        lines = [i.strip() for i in mozfile.load(path).readlines()]
+        _lines = []
+        multi_line_pref = None
+        for line in lines:
+            # decode bytes in case of URL processing
+            if isinstance(line, bytes):
+                line = line.decode()
+            pref_start = line.startswith(pref_setter)
+
+            # Handle preferences split over multiple lines
+            # Some lines may include brackets so do our best to ensure this
+            # is an actual expected end of function call by checking for a
+            # semi-colon as well.
+            if pref_start and not ");" in line:
+                multi_line_pref = line
+                continue
+            elif multi_line_pref:
+                multi_line_pref = multi_line_pref + line
+                if ");" in line:
+                    if "//" in multi_line_pref:
+                        multi_line_pref = multi_line_pref.replace("//", marker)
+                    _lines.append(multi_line_pref)
+                    multi_line_pref = None
+                continue
+            elif not pref_start:
+                continue
+
+            if "//" in line:
+                line = line.replace("//", marker)
+            _lines.append(line)
+        string = "\n".join(_lines)
+
+        # skip trailing comments
+        processed_tokens = []
+        f_obj = StringIO(string)
+        for token in tokenize.generate_tokens(f_obj.readline):
+            if token[0] == tokenize.COMMENT:
+                continue
+            processed_tokens.append(
+                token[:2]
+            )  # [:2] gets around http://bugs.python.org/issue9974
+        string = tokenize.untokenize(processed_tokens)
+
+        retval = []
+
+        def pref(a, b):
+            if interpolation and isinstance(b, string_types):
+                b = b.format(**interpolation)
+            retval.append((a, b))
+
+        lines = [i.strip().rstrip(";") for i in string.split("\n") if i.strip()]
+
+        _globals = {"retval": retval, "true": True, "false": False}
+        _globals[pref_setter] = pref
+        for line in lines:
+            try:
+                eval(line, _globals, {})
+            except SyntaxError:
+                print(line)
+                raise
+
+        # de-magic the marker
+        for index, (key, value) in enumerate(retval):
+            if isinstance(value, string_types) and marker in value:
+                retval[index] = (key, value.replace(marker, "//"))
+
+        return retval
+
+    @classmethod
+    def write(cls, _file, prefs, pref_string="user_pref(%s, %s);"):
+        """write preferences to a file"""
+
+        if isinstance(_file, string_types):
+            f = open(_file, "a")
+        else:
+            f = _file
+
+        if isinstance(prefs, dict):
+            # order doesn't matter
+            prefs = prefs.items()
+
+        # serialize -> JSON
+        _prefs = [(json.dumps(k), json.dumps(v)) for k, v in prefs]
+
+        # write the preferences
+        for _pref in _prefs:
+            print(unicode(pref_string % _pref), file=f)
+
+        # close the file if opened internally
+        if isinstance(_file, string_types):
+            f.close()
diff --git a/testing/mozbase/mozprofile/mozprofile/profile.py b/testing/mozbase/mozprofile/mozprofile/profile.py
new file mode 100644
index 0000000000..401715c93d
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/profile.py
@@ -0,0 +1,595 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import json
+import os
+import platform
+import tempfile
+import time
+import uuid
+from abc import ABCMeta, abstractmethod, abstractproperty
+from io import open
+from shutil import copytree
+
+import mozfile
+import six
+from six import python_2_unicode_compatible, string_types
+
+if six.PY3:
+
+    def unicode(input):
+        return input
+
+
+from .addons import AddonManager
+from .permissions import Permissions
+from .prefs import Preferences
+
+__all__ = [
+    "BaseProfile",
+    "ChromeProfile",
+    "ChromiumProfile",
+    "Profile",
+    "FirefoxProfile",
+    "ThunderbirdProfile",
+    "create_profile",
+]
+
+
+@six.add_metaclass(ABCMeta)
+class BaseProfile(object):
+    def __init__(self, profile=None, addons=None, preferences=None, restore=True):
+        """Create a new Profile.
+
+        All arguments are optional.
+
+        :param profile: Path to a profile. If not specified, a new profile
+                        directory will be created.
+        :param addons: List of paths to addons which should be installed in the profile.
+        :param preferences: Dict of preferences to set in the profile.
+        :param restore: Whether or not to clean up any modifications made to this profile
+                        (default True).
+        """
+        self._addons = addons or []
+
+        # Prepare additional preferences
+        if preferences:
+            if isinstance(preferences, dict):
+                # unordered
+                preferences = preferences.items()
+
+            # sanity check
+            assert not [i for i in preferences if len(i) != 2]
+        else:
+            preferences = []
+        self._preferences = preferences
+
+        # Handle profile creation
+        self.restore = restore
+        self.create_new = not profile
+        if profile:
+            # Ensure we have a full path to the profile
+            self.profile = os.path.abspath(os.path.expanduser(profile))
+        else:
+            self.profile = tempfile.mkdtemp(suffix=".mozrunner")
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, traceback):
+        self.cleanup()
+
+    def __del__(self):
+        self.cleanup()
+
+    def cleanup(self):
+        """Cleanup operations for the profile."""
+
+        if self.restore:
+            # If it's a temporary profile we have to remove it
+            if self.create_new:
+                mozfile.remove(self.profile)
+
+    @abstractmethod
+    def _reset(self):
+        pass
+
+    def reset(self):
+        """
+        reset the profile to the beginning state
+        """
+        self.cleanup()
+        self._reset()
+
+    @abstractmethod
+    def set_preferences(self, preferences, filename="user.js"):
+        pass
+
+    @abstractproperty
+    def preference_file_names(self):
+        """A tuple of file basenames expected to contain preferences."""
+
+    def merge(self, other, interpolation=None):
+        """Merges another profile into this one.
+
+        This will handle pref files matching the profile's
+        `preference_file_names` property, and any addons in the
+        other/extensions directory.
+        """
+        for basename in os.listdir(other):
+            if basename not in self.preference_file_names:
+                continue
+
+            path = os.path.join(other, basename)
+            try:
+                prefs = Preferences.read_json(path)
+            except ValueError:
+                prefs = Preferences.read_prefs(path, interpolation=interpolation)
+            self.set_preferences(prefs, filename=basename)
+
+        extension_dir = os.path.join(other, "extensions")
+        if not os.path.isdir(extension_dir):
+            return
+
+        for basename in os.listdir(extension_dir):
+            path = os.path.join(extension_dir, basename)
+
+            if self.addons.is_addon(path):
+                self._addons.append(path)
+                self.addons.install(path)
+
+    @classmethod
+    def clone(cls, path_from, path_to=None, ignore=None, **kwargs):
+        """Instantiate a temporary profile via cloning
+        - path: path of the basis to clone
+        - ignore: callable passed to shutil.copytree
+        - kwargs: arguments to the profile constructor
+        """
+        if not path_to:
+            tempdir = tempfile.mkdtemp()  # need an unused temp dir name
+            mozfile.remove(tempdir)  # copytree requires that dest does not exist
+            path_to = tempdir
+        copytree(path_from, path_to, ignore=ignore, ignore_dangling_symlinks=True)
+
+        c = cls(path_to, **kwargs)
+        c.create_new = True  # deletes a cloned profile when restore is True
+        return c
+
+    def exists(self):
+        """returns whether the profile exists or not"""
+        return os.path.exists(self.profile)
+
+
+@python_2_unicode_compatible
+class Profile(BaseProfile):
+    """Handles all operations regarding profile.
+
+    Creating new profiles, installing add-ons, setting preferences and
+    handling cleanup.
+
+    The files associated with the profile will be removed automatically after
+    the object is garbage collected: ::
+
+      profile = Profile()
+      print profile.profile  # this is the path to the created profile
+      del profile
+      # the profile path has been removed from disk
+
+    :meth:`cleanup` is called under the hood to remove the profile files. You
+    can ensure this method is called (even in the case of exception) by using
+    the profile as a context manager: ::
+
+      with Profile() as profile:
+          # do things with the profile
+          pass
+      # profile.cleanup() has been called here
+    """
+
+    preference_file_names = ("user.js", "prefs.js")
+
+    def __init__(
+        self,
+        profile=None,
+        addons=None,
+        preferences=None,
+        locations=None,
+        proxy=None,
+        restore=True,
+        whitelistpaths=None,
+        **kwargs
+    ):
+        """
+        :param profile: Path to the profile
+        :param addons: String of one or list of addons to install
+        :param preferences: Dictionary or class of preferences
+        :param locations: ServerLocations object
+        :param proxy: Setup a proxy
+        :param restore: Flag for removing all custom settings during cleanup
+        :param whitelistpaths: List of paths to pass to Firefox to allow read
+            access to from the content process sandbox.
+        """
+        super(Profile, self).__init__(
+            profile=profile,
+            addons=addons,
+            preferences=preferences,
+            restore=restore,
+            **kwargs
+        )
+
+        self._locations = locations
+        self._proxy = proxy
+        self._whitelistpaths = whitelistpaths
+
+        # Initialize all class members
+        self._reset()
+
+    def _reset(self):
+        """Internal: Initialize all class members to their default value"""
+
+        if not os.path.exists(self.profile):
+            os.makedirs(self.profile)
+
+        # Preferences files written to
+        self.written_prefs = set()
+
+        # Our magic markers
+        nonce = "%s %s" % (str(time.time()), uuid.uuid4())
+        self.delimeters = (
+            "#MozRunner Prefs Start %s" % nonce,
+            "#MozRunner Prefs End %s" % nonce,
+        )
+
+        # If sub-classes want to set default preferences
+        if hasattr(self.__class__, "preferences"):
+            self.set_preferences(self.__class__.preferences)
+        # Set additional preferences
+        self.set_preferences(self._preferences)
+
+        self.permissions = Permissions(self._locations)
+        prefs_js, user_js = self.permissions.network_prefs(self._proxy)
+
+        if self._whitelistpaths:
+            # On macOS we don't want to support a generalized read whitelist,
+            # and the macOS sandbox policy language doesn't have support for
+            # lists, so we handle these specially.
+            if platform.system() == "Darwin":
+                assert len(self._whitelistpaths) <= 2
+                if len(self._whitelistpaths) == 2:
+                    prefs_js.append(
+                        (
+                            "security.sandbox.content.mac.testing_read_path2",
+                            self._whitelistpaths[1],
+                        )
+                    )
+                prefs_js.append(
+                    (
+                        "security.sandbox.content.mac.testing_read_path1",
+                        self._whitelistpaths[0],
+                    )
+                )
+            else:
+                prefs_js.append(
+                    (
+                        "security.sandbox.content.read_path_whitelist",
+                        ",".join(self._whitelistpaths),
+                    )
+                )
+        self.set_preferences(prefs_js, "prefs.js")
+        self.set_preferences(user_js)
+
+        # handle add-on installation
+        self.addons = AddonManager(self.profile, restore=self.restore)
+        self.addons.install(self._addons)
+
+    def cleanup(self):
+        """Cleanup operations for the profile."""
+
+        if self.restore:
+            # If copies of those class instances exist ensure we correctly
+            # reset them all (see bug 934484)
+            self.clean_preferences()
+            if getattr(self, "addons", None) is not None:
+                self.addons.clean()
+        super(Profile, self).cleanup()
+
+    def clean_preferences(self):
+        """Removed preferences added by mozrunner."""
+        for filename in self.written_prefs:
+            if not os.path.exists(os.path.join(self.profile, filename)):
+                # file has been deleted
+                break
+            while True:
+                if not self.pop_preferences(filename):
+                    break
+
+    # methods for preferences
+
+    def set_preferences(self, preferences, filename="user.js"):
+        """Adds preferences dict to profile preferences"""
+        prefs_file = os.path.join(self.profile, filename)
+        with open(prefs_file, "a") as f:
+            if not preferences:
+                return
+
+            # note what files we've touched
+            self.written_prefs.add(filename)
+
+            # opening delimeter
+            f.write(unicode("\n%s\n" % self.delimeters[0]))
+
+            Preferences.write(f, preferences)
+
+            # closing delimeter
+            f.write(unicode("%s\n" % self.delimeters[1]))
+
+    def set_persistent_preferences(self, preferences):
+        """
+        Adds preferences dict to profile preferences and save them during a
+        profile reset
+        """
+
+        # this is a dict sometimes, convert
+        if isinstance(preferences, dict):
+            preferences = preferences.items()
+
+        # add new prefs to preserve them during reset
+        for new_pref in preferences:
+            # if dupe remove item from original list
+            self._preferences = [
+                pref for pref in self._preferences if not new_pref[0] == pref[0]
+            ]
+            self._preferences.append(new_pref)
+
+        self.set_preferences(preferences, filename="user.js")
+
+    def pop_preferences(self, filename):
+        """
+        pop the last set of preferences added
+        returns True if popped
+        """
+
+        path = os.path.join(self.profile, filename)
+        with open(path, "r", encoding="utf-8") as f:
+            lines = f.read().splitlines()
+
+        def last_index(_list, value):
+            """
+            returns the last index of an item;
+            this should actually be part of python code but it isn't
+            """
+            for index in reversed(range(len(_list))):
+                if _list[index] == value:
+                    return index
+
+        s = last_index(lines, self.delimeters[0])
+        e = last_index(lines, self.delimeters[1])
+
+        # ensure both markers are found
+        if s is None:
+            assert e is None, "%s found without %s" % (
+                self.delimeters[1],
+                self.delimeters[0],
+            )
+            return False  # no preferences found
+        elif e is None:
+            assert s is None, "%s found without %s" % (
+                self.delimeters[0],
+                self.delimeters[1],
+            )
+
+        # ensure the markers are in the proper order
+        assert e > s, "%s found at %s, while %s found at %s" % (
+            self.delimeters[1],
+            e,
+            self.delimeters[0],
+            s,
+        )
+
+        # write the prefs
+        cleaned_prefs = "\n".join(lines[:s] + lines[e + 1 :])
+        with open(path, "w") as f:
+            f.write(cleaned_prefs)
+        return True
+
+    # methods for introspection
+
+    def summary(self, return_parts=False):
+        """
+        returns string summarizing profile information.
+        if return_parts is true, return the (Part_name, value) list
+        of tuples instead of the assembled string
+        """
+
+        parts = [("Path", self.profile)]  # profile path
+
+        # directory tree
+        parts.append(("Files", "\n%s" % mozfile.tree(self.profile)))
+
+        # preferences
+        for prefs_file in ("user.js", "prefs.js"):
+            path = os.path.join(self.profile, prefs_file)
+            if os.path.exists(path):
+
+                # prefs that get their own section
+                # This is currently only 'network.proxy.autoconfig_url'
+                # but could be expanded to include others
+                section_prefs = ["network.proxy.autoconfig_url"]
+                line_length = 80
+                # buffer for 80 character display:
+                # length = 80 - len(key) - len(': ') - line_length_buffer
+                line_length_buffer = 10
+                line_length_buffer += len(": ")
+
+                def format_value(key, value):
+                    if key not in section_prefs:
+                        return value
+                    max_length = line_length - len(key) - line_length_buffer
+                    if len(value) > max_length:
+                        value = "%s..." % value[:max_length]
+                    return value
+
+                prefs = Preferences.read_prefs(path)
+                if prefs:
+                    prefs = dict(prefs)
+                    parts.append(
+                        (
+                            prefs_file,
+                            "\n%s"
+                            % (
+                                "\n".join(
+                                    [
+                                        "%s: %s" % (key, format_value(key, prefs[key]))
+                                        for key in sorted(prefs.keys())
+                                    ]
+                                )
+                            ),
+                        )
+                    )
+
+                    # Currently hardcorded to 'network.proxy.autoconfig_url'
+                    # but could be generalized, possibly with a generalized (simple)
+                    # JS-parser
+                    network_proxy_autoconfig = prefs.get("network.proxy.autoconfig_url")
+                    if network_proxy_autoconfig and network_proxy_autoconfig.strip():
+                        network_proxy_autoconfig = network_proxy_autoconfig.strip()
+                        lines = network_proxy_autoconfig.replace(
+                            ";", ";\n"
+                        ).splitlines()
+                        lines = [line.strip() for line in lines]
+                        origins_string = "var origins = ["
+                        origins_end = "];"
+                        if origins_string in lines[0]:
+                            start = lines[0].find(origins_string)
+                            end = lines[0].find(origins_end, start)
+                            splitline = [
+                                lines[0][:start],
+                                lines[0][start : start + len(origins_string) - 1],
+                            ]
+                            splitline.extend(
+                                lines[0][start + len(origins_string) : end]
+                                .replace(",", ",\n")
+                                .splitlines()
+                            )
+                            splitline.append(lines[0][end:])
+                            lines[0:1] = [i.strip() for i in splitline]
+                        parts.append(
+                            (
+                                "Network Proxy Autoconfig, %s" % (prefs_file),
+                                "\n%s" % "\n".join(lines),
+                            )
+                        )
+
+        if return_parts:
+            return parts
+
+        retval = "%s\n" % (
+            "\n\n".join(["[%s]: %s" % (key, value) for key, value in parts])
+        )
+        return retval
+
+    def __str__(self):
+        return self.summary()
+
+
+class FirefoxProfile(Profile):
+    """Specialized Profile subclass for Firefox"""
+
+    preferences = {}
+
+
+class ThunderbirdProfile(Profile):
+    """Specialized Profile subclass for Thunderbird"""
+
+    preferences = {
+        "extensions.update.enabled": False,
+        "extensions.update.notifyUser": False,
+        "browser.shell.checkDefaultBrowser": False,
+        "browser.tabs.warnOnClose": False,
+        "browser.warnOnQuit": False,
+        "browser.sessionstore.resume_from_crash": False,
+        # prevents the 'new e-mail address' wizard on new profile
+        "mail.provider.enabled": False,
+    }
+
+
+class ChromiumProfile(BaseProfile):
+    preference_file_names = ("Preferences",)
+
+    class AddonManager(list):
+        def install(self, addons):
+            if isinstance(addons, string_types):
+                addons = [addons]
+            self.extend(addons)
+
+        @classmethod
+        def is_addon(self, addon):
+            # Don't include testing/profiles on Google Chrome
+            return False
+
+    def __init__(self, **kwargs):
+        super(ChromiumProfile, self).__init__(**kwargs)
+
+        if self.create_new:
+            self.profile = os.path.join(self.profile, "Default")
+        self._reset()
+
+    def _reset(self):
+        if not os.path.isdir(self.profile):
+            os.makedirs(self.profile)
+
+        if self._preferences:
+            self.set_preferences(self._preferences)
+
+        self.addons = self.AddonManager()
+        if self._addons:
+            self.addons.install(self._addons)
+
+    def set_preferences(self, preferences, filename="Preferences", **values):
+        pref_file = os.path.join(self.profile, filename)
+
+        prefs = {}
+        if os.path.isfile(pref_file):
+            with open(pref_file, "r") as fh:
+                prefs.update(json.load(fh))
+
+        prefs.update(preferences)
+        with open(pref_file, "w") as fh:
+            prefstr = json.dumps(prefs)
+            prefstr % values  # interpolate prefs with values
+            if six.PY2:
+                fh.write(unicode(prefstr))
+            else:
+                fh.write(prefstr)
+
+
+class ChromeProfile(ChromiumProfile):
+    # update this if Google Chrome requires more
+    # specific profiles
+    pass
+
+
+profile_class = {
+    "chrome": ChromeProfile,
+    "chromium": ChromiumProfile,
+    "firefox": FirefoxProfile,
+    "thunderbird": ThunderbirdProfile,
+}
+
+
+def create_profile(app, **kwargs):
+    """Create a profile given an application name.
+
+    :param app: String name of the application to create a profile for, e.g 'firefox'.
+    :param kwargs: Same as the arguments for the Profile class (optional).
+    :returns: An application specific Profile instance
+    :raises: NotImplementedError
+    """
+    cls = profile_class.get(app)
+
+    if not cls:
+        raise NotImplementedError(
+            "Profiles not supported for application '{}'".format(app)
+        )
+
+    return cls(**kwargs)
diff --git a/testing/mozbase/mozprofile/mozprofile/view.py b/testing/mozbase/mozprofile/mozprofile/view.py
new file mode 100644
index 0000000000..9356623232
--- /dev/null
+++ b/testing/mozbase/mozprofile/mozprofile/view.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+"""
+script to view mozilla profiles
+"""
+import optparse
+import os
+import sys
+
+import mozprofile
+
+__all__ = ["view_profile"]
+
+
+def view_profile(args=sys.argv[1:]):
+
+    usage = "%prog [options] profile_path <...>"
+    parser = optparse.OptionParser(usage=usage, description=__doc__)
+    options, args = parser.parse_args(args)
+    if not args:
+        parser.print_usage()
+        parser.exit()
+
+    # check existence
+    missing = [i for i in args if not os.path.exists(i)]
+    if missing:
+        if len(missing) > 1:
+            missing_string = "Profiles do not exist"
+        else:
+            missing_string = "Profile does not exist"
+        parser.error("%s: %s" % (missing_string, ", ".join(missing)))
+
+    # print summary for each profile
+    while args:
+        path = args.pop(0)
+        profile = mozprofile.Profile(path)
+        print(profile.summary())
+        if args:
+            print("-" * 4)
+
+
+if __name__ == "__main__":
+    view_profile()
diff --git a/testing/mozbase/mozprofile/setup.cfg b/testing/mozbase/mozprofile/setup.cfg
new file mode 100644
index 0000000000..3c6e79cf31
--- /dev/null
+++ b/testing/mozbase/mozprofile/setup.cfg
@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal=1
diff --git a/testing/mozbase/mozprofile/setup.py b/testing/mozbase/mozprofile/setup.py
new file mode 100644
index 0000000000..e988fe56c2
--- /dev/null
+++ b/testing/mozbase/mozprofile/setup.py
@@ -0,0 +1,49 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from setuptools import setup
+
+PACKAGE_NAME = "mozprofile"
+PACKAGE_VERSION = "2.5.0"
+
+deps = [
+    "mozfile>=1.2",
+    "mozlog>=6.0",
+    "six>=1.13.0,<2",
+]
+
+setup(
+    name=PACKAGE_NAME,
+    version=PACKAGE_VERSION,
+    description="Library to create and modify Mozilla application profiles",
+    long_description="see https://firefox-source-docs.mozilla.org/mozbase/index.html",
+    classifiers=[
+        "Environment :: Console",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
+        "Natural Language :: English",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3.5",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+    ],
+    keywords="mozilla",
+    author="Mozilla Automation and Tools team",
+    author_email="tools@lists.mozilla.org",
+    url="https://wiki.mozilla.org/Auto-tools/Projects/Mozbase",
+    license="MPL 2.0",
+    packages=["mozprofile"],
+    include_package_data=True,
+    zip_safe=False,
+    install_requires=deps,
+    extras_require={"manifest": ["manifestparser >= 0.6"]},
+    tests_require=["wptserve"],
+    entry_points="""
+      # -*- Entry points: -*-
+      [console_scripts]
+      mozprofile = mozprofile:cli
+      view-profile = mozprofile:view_profile
+      diff-profiles = mozprofile:diff_profiles
+      """,
+)
diff --git a/testing/mozbase/mozprofile/tests/addon_stubs.py b/testing/mozbase/mozprofile/tests/addon_stubs.py
new file mode 100644
index 0000000000..37c6305c6a
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/addon_stubs.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+
+import os
+import tempfile
+import zipfile
+
+import mozfile
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+# stubs is a dict of the form {'addon id': 'install manifest content'}
+stubs = {
+    "test-addon-1@mozilla.org": "test_addon_1.rdf",
+    "test-addon-2@mozilla.org": "test_addon_2.rdf",
+    "test-addon-3@mozilla.org": "test_addon_3.rdf",
+    "test-addon-4@mozilla.org": "test_addon_4.rdf",
+    "test-addon-invalid-no-id@mozilla.org": "test_addon_invalid_no_id.rdf",
+    "test-addon-invalid-version@mozilla.org": "test_addon_invalid_version.rdf",
+    "test-addon-invalid-no-manifest@mozilla.org": None,
+    "test-addon-invalid-not-wellformed@mozilla.org": "test_addon_invalid_not_wellformed.rdf",
+    "test-addon-unpack@mozilla.org": "test_addon_unpack.rdf",
+}
+
+
+def generate_addon(addon_id, path=None, name=None, xpi=True):
+    """
+    Method to generate a single addon.
+
+    :param addon_id: id of an addon to generate from the stubs dictionary
+    :param path: path where addon and .xpi should be generated
+    :param name: name for the addon folder or .xpi file
+    :param xpi: Flag if an XPI or folder should be generated
+
+    Returns the file-path of the addon's .xpi file
+    """
+
+    if addon_id not in stubs:
+        raise IOError('Requested addon stub "%s" does not exist' % addon_id)
+
+    # Generate directory structure for addon
+    try:
+        tmpdir = path or tempfile.mkdtemp()
+        addon_dir = os.path.join(tmpdir, name or addon_id)
+        os.mkdir(addon_dir)
+    except IOError:
+        raise IOError("Could not generate directory structure for addon stub.")
+
+    # Write install.rdf for addon
+    if stubs[addon_id]:
+        install_rdf = os.path.join(addon_dir, "install.rdf")
+        with open(install_rdf, "w") as f:
+            manifest = os.path.join(here, "install_manifests", stubs[addon_id])
+            f.write(open(manifest, "r").read())
+
+    if not xpi:
+        return addon_dir
+
+    # Generate the .xpi for the addon
+    xpi_file = os.path.join(tmpdir, (name or addon_id) + ".xpi")
+    with zipfile.ZipFile(xpi_file, "w") as x:
+        x.write(install_rdf, install_rdf[len(addon_dir) :])
+
+    # Ensure we remove the temporary folder to not install the addon twice
+    mozfile.rmtree(addon_dir)
+
+    return xpi_file
diff --git a/testing/mozbase/mozprofile/tests/addons/apply-css-id-via-browser-specific-settings.xpi b/testing/mozbase/mozprofile/tests/addons/apply-css-id-via-browser-specific-settings.xpi
new file mode 100644
index 0000000000..c9ad38f63b
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/addons/apply-css-id-via-browser-specific-settings.xpi
diff --git a/testing/mozbase/mozprofile/tests/addons/apply-css-sans-id.xpi b/testing/mozbase/mozprofile/tests/addons/apply-css-sans-id.xpi
new file mode 100644
index 0000000000..fa721a4f76
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/addons/apply-css-sans-id.xpi
diff --git a/testing/mozbase/mozprofile/tests/addons/apply-css.xpi b/testing/mozbase/mozprofile/tests/addons/apply-css.xpi
new file mode 100644
index 0000000000..0ed64f79ac
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/addons/apply-css.xpi
diff --git a/testing/mozbase/mozprofile/tests/addons/empty.xpi b/testing/mozbase/mozprofile/tests/addons/empty.xpi
new file mode 100644
index 0000000000..26f28f099d
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/addons/empty.xpi
diff --git a/testing/mozbase/mozprofile/tests/addons/empty/install.rdf b/testing/mozbase/mozprofile/tests/addons/empty/install.rdf
new file mode 100644
index 0000000000..70b9e13e44
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/addons/empty/install.rdf
@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+	<Description about="urn:mozilla:install-manifest">
+		<em:id>test-empty@quality.mozilla.org</em:id>
+		<em:version>0.1</em:version>
+		<em:name>Test Extension (empty)</em:name>
+		<em:creator>Mozilla QA</em:creator>
+		<em:homepageURL>http://quality.mozilla.org</em:homepageURL>
+		<em:type>2</em:type>
+
+		<!-- Firefox -->
+		<em:targetApplication>
+			<Description>
+				<em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+				<em:minVersion>3.5.*</em:minVersion>
+				<em:maxVersion>*</em:maxVersion>
+			</Description>
+		</em:targetApplication>
+	</Description>
+</RDF>
diff --git a/testing/mozbase/mozprofile/tests/addons/invalid.xpi b/testing/mozbase/mozprofile/tests/addons/invalid.xpi
new file mode 100644
index 0000000000..2f222c7637
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/addons/invalid.xpi
diff --git a/testing/mozbase/mozprofile/tests/files/dummy-profile/.eslintrc.js b/testing/mozbase/mozprofile/tests/files/dummy-profile/.eslintrc.js
new file mode 100644
index 0000000000..8d36cca287
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/dummy-profile/.eslintrc.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = {
+  globals: {
+    user_pref: true,
+  },
+};
diff --git a/testing/mozbase/mozprofile/tests/files/dummy-profile/Preferences b/testing/mozbase/mozprofile/tests/files/dummy-profile/Preferences
new file mode 100644
index 0000000000..697201c687
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/dummy-profile/Preferences
@@ -0,0 +1 @@
+{"Preferences": 1}
diff --git a/testing/mozbase/mozprofile/tests/files/dummy-profile/extensions/empty.xpi b/testing/mozbase/mozprofile/tests/files/dummy-profile/extensions/empty.xpi
new file mode 100644
index 0000000000..26f28f099d
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/dummy-profile/extensions/empty.xpi
diff --git a/testing/mozbase/mozprofile/tests/files/dummy-profile/prefs.js b/testing/mozbase/mozprofile/tests/files/dummy-profile/prefs.js
new file mode 100644
index 0000000000..c2e18261a8
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/dummy-profile/prefs.js
@@ -0,0 +1 @@
+user_pref("prefs.js", 1);
diff --git a/testing/mozbase/mozprofile/tests/files/dummy-profile/user.js b/testing/mozbase/mozprofile/tests/files/dummy-profile/user.js
new file mode 100644
index 0000000000..66752d6397
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/dummy-profile/user.js
@@ -0,0 +1 @@
+user_pref("user.js", 1);
diff --git a/testing/mozbase/mozprofile/tests/files/not_an_addon.txt b/testing/mozbase/mozprofile/tests/files/not_an_addon.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/not_an_addon.txt
diff --git a/testing/mozbase/mozprofile/tests/files/prefs_with_comments.js b/testing/mozbase/mozprofile/tests/files/prefs_with_comments.js
new file mode 100644
index 0000000000..06a56f2138
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/prefs_with_comments.js
@@ -0,0 +1,6 @@
+# A leading comment
+user_pref("browser.startup.homepage", "http://planet.mozilla.org"); # A trailing comment
+user_pref("zoom.minPercent", 30);
+// Another leading comment
+user_pref("zoom.maxPercent", 300); // Another trailing comment
+user_pref("webgl.verbose", "false");
diff --git a/testing/mozbase/mozprofile/tests/files/prefs_with_interpolation.js b/testing/mozbase/mozprofile/tests/files/prefs_with_interpolation.js
new file mode 100644
index 0000000000..52700df6d8
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/prefs_with_interpolation.js
@@ -0,0 +1,5 @@
+/* globals user_pref */
+user_pref("browser.foo", "http://{server}");
+user_pref("zoom.minPercent", 30);
+user_pref("webgl.verbose", "false");
+user_pref("browser.bar", "{abc}xyz");
diff --git a/testing/mozbase/mozprofile/tests/files/prefs_with_multiline.js b/testing/mozbase/mozprofile/tests/files/prefs_with_multiline.js
new file mode 100644
index 0000000000..f3860f6472
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/files/prefs_with_multiline.js
@@ -0,0 +1,5 @@
+/* globals user_pref */
+user_pref(
+  "browser.long.preference.name.that.causes.the.line.to.wrap",
+  "itislong"
+);
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_1.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_1.rdf
new file mode 100644
index 0000000000..839ea9fbd5
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_1.rdf
@@ -0,0 +1,21 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <em:id>test-addon-1@mozilla.org</em:id>
+        <em:version>0.1</em:version>
+        <em:name>Test Add-on 1</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_2.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_2.rdf
new file mode 100644
index 0000000000..8303e862fc
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_2.rdf
@@ -0,0 +1,21 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <em:id>test-addon-2@mozilla.org</em:id>
+        <em:version>0.2</em:version>
+        <em:name>Test Add-on 2</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_3.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_3.rdf
new file mode 100644
index 0000000000..5bd6d38043
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_3.rdf
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <em:id>test-addon-3@mozilla.org</em:id>
+        <em:version>0.1</em:version>
+        <em:name>Test Add-on 3</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
+
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_4.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_4.rdf
new file mode 100644
index 0000000000..e0f99d3133
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_4.rdf
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <em:id>test-addon-4@mozilla.org</em:id>
+        <em:version>0.1</em:version>
+        <em:name>Test Add-on 4</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
+
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_no_id.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_no_id.rdf
new file mode 100644
index 0000000000..23f60fece1
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_no_id.rdf
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <!-- Invalid because of a missing add-on id -->
+        <em:version>0.1</em:version>
+        <em:name>Test Invalid Extension (no id)</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <!-- Invalid target application string -->
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_not_wellformed.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_not_wellformed.rdf
new file mode 100644
index 0000000000..690ec406cc
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_not_wellformed.rdf
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <!-- Invalid because it's not well-formed -->
+        <em:id>test-addon-invalid-not-wellformed@mozilla.org</em:id
+        <em:version>0.1</em:version>
+        <em:name>Test Invalid Extension (no id)</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <!-- Invalid target application string -->
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_version.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_version.rdf
new file mode 100644
index 0000000000..c854bfcdb5
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_invalid_version.rdf
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <em:id>test-addon-invalid-version@mozilla.org</em:id>
+        <!-- Invalid addon version -->
+        <em:version>0.NOPE</em:version>
+        <em:name>Test Invalid Extension (invalid version)</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <!-- Invalid target application string -->
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
diff --git a/testing/mozbase/mozprofile/tests/install_manifests/test_addon_unpack.rdf b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_unpack.rdf
new file mode 100644
index 0000000000..cc85ea560f
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/install_manifests/test_addon_unpack.rdf
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+    <Description about="urn:mozilla:install-manifest">
+        <em:id>test-addon-unpack@mozilla.org</em:id>
+        <em:version>0.1</em:version>
+        <em:name>Test Add-on (unpack)</em:name>
+        <em:creator>Mozilla</em:creator>
+        <em:homepageURL>http://mozilla.org</em:homepageURL>
+        <em:type>2</em:type>
+        <em:unpack>true</em:unpack>
+
+        <!-- Firefox -->
+        <em:targetApplication>
+            <Description>
+                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+                <em:minVersion>3.5.*</em:minVersion>
+                <em:maxVersion>*</em:maxVersion>
+            </Description>
+        </em:targetApplication>
+    </Description>
+</RDF>
diff --git a/testing/mozbase/mozprofile/tests/manifest.ini b/testing/mozbase/mozprofile/tests/manifest.ini
new file mode 100644
index 0000000000..d69f4649ce
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/manifest.ini
@@ -0,0 +1,13 @@
+[DEFAULT]
+subsuite = mozbase
+[test_addonid.py]
+[test_server_locations.py]
+[test_preferences.py]
+[test_permissions.py]
+[test_bug758250.py]
+[test_nonce.py]
+[test_clone_cleanup.py]
+[test_profile.py]
+[test_profile_view.py]
+[test_addons.py]
+[test_chrome_profile.py]
diff --git a/testing/mozbase/mozprofile/tests/test_addonid.py b/testing/mozbase/mozprofile/tests/test_addonid.py
new file mode 100755
index 0000000000..4a9bef0163
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_addonid.py
@@ -0,0 +1,157 @@
+#!/usr/bin/env python
+
+import os
+
+import mozunit
+import pytest
+from mozprofile import addons
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+
+"""Test finding the addon id in a variety of install.rdf styles"""
+
+
+ADDON_ID_TESTS = [
+    """
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+   <Description about="urn:mozilla:install-manifest">
+     <em:id>winning</em:id>
+     <em:name>MozMill</em:name>
+     <em:version>2.0a</em:version>
+     <em:creator>Adam Christian</em:creator>
+     <em:description>A testing extension based on the
+            Windmill Testing Framework client source</em:description>
+     <em:unpack>true</em:unpack>
+     <em:targetApplication>
+       <!-- Firefox -->
+       <Description>
+         <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+         <em:minVersion>3.5</em:minVersion>
+         <em:maxVersion>8.*</em:maxVersion>
+       </Description>
+     </em:targetApplication>
+     <em:targetApplication>
+       <!-- Thunderbird -->
+       <Description>
+         <em:id>{3550f703-e582-4d05-9a08-453d09bdfdc6}</em:id>
+         <em:minVersion>3.0a1pre</em:minVersion>
+         <em:maxVersion>3.2*</em:maxVersion>
+       </Description>
+     </em:targetApplication>
+     <em:targetApplication>
+       <!-- Sunbird -->
+       <Description>
+         <em:id>{718e30fb-e89b-41dd-9da7-e25a45638b28}</em:id>
+         <em:minVersion>0.6a1</em:minVersion>
+         <em:maxVersion>1.0pre</em:maxVersion>
+       </Description>
+     </em:targetApplication>
+     <em:targetApplication>
+       <!-- SeaMonkey -->
+       <Description>
+         <em:id>{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}</em:id>
+         <em:minVersion>2.0a1</em:minVersion>
+         <em:maxVersion>2.1*</em:maxVersion>
+       </Description>
+     </em:targetApplication>
+    <em:targetApplication>
+       <!-- Songbird -->
+       <Description>
+         <em:id>songbird@songbirdnest.com</em:id>
+         <em:minVersion>0.3pre</em:minVersion>
+         <em:maxVersion>1.3.0a</em:maxVersion>
+       </Description>
+    </em:targetApplication>
+    <em:targetApplication>
+         <Description>
+          <em:id>toolkit@mozilla.org</em:id>
+          <em:minVersion>1.9.1</em:minVersion>
+          <em:maxVersion>2.0*</em:maxVersion>
+         </Description>
+     </em:targetApplication>
+   </Description>
+</RDF>""",
+    """
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+   <Description about="urn:mozilla:install-manifest">
+     <em:targetApplication>
+       <!-- Firefox -->
+       <Description>
+         <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+         <em:minVersion>3.5</em:minVersion>
+         <em:maxVersion>8.*</em:maxVersion>
+       </Description>
+     </em:targetApplication>
+     <em:id>winning</em:id>
+     <em:name>MozMill</em:name>
+     <em:version>2.0a</em:version>
+     <em:creator>Adam Christian</em:creator>
+     <em:description>A testing extension based on the
+            Windmill Testing Framework client source</em:description>
+     <em:unpack>true</em:unpack>
+    </Description>
+ </RDF>""",
+    """
+<RDF xmlns="http://www.mozilla.org/2004/em-rdf#"
+        xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+   <rdf:Description about="urn:mozilla:install-manifest">
+     <id>winning</id>
+     <name>foo</name>
+     <version>42</version>
+     <description>A testing extension based on the
+            Windmill Testing Framework client source</description>
+ </rdf:Description>
+</RDF>""",
+    """
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+     xmlns:foobar="http://www.mozilla.org/2004/em-rdf#">
+   <Description about="urn:mozilla:install-manifest">
+     <foobar:targetApplication>
+       <!-- Firefox -->
+       <Description>
+         <foobar:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</foobar:id>
+         <foobar:minVersion>3.5</foobar:minVersion>
+         <foobar:maxVersion>8.*</foobar:maxVersion>
+       </Description>
+     </foobar:targetApplication>
+     <foobar:id>winning</foobar:id>
+     <foobar:name>MozMill</foobar:name>
+     <foobar:version>2.0a</foobar:version>
+     <foobar:creator>Adam Christian</foobar:creator>
+     <foobar:description>A testing extension based on the
+            Windmill Testing Framework client source</foobar:description>
+     <foobar:unpack>true</foobar:unpack>
+    </Description>
+ </RDF>""",
+]
+
+
+@pytest.fixture(
+    params=ADDON_ID_TESTS, ids=[str(i) for i in range(0, len(ADDON_ID_TESTS))]
+)
+def profile(request, tmpdir):
+    test = request.param
+    path = tmpdir.mkdtemp().strpath
+
+    with open(os.path.join(path, "install.rdf"), "w") as fh:
+        fh.write(test)
+    return path
+
+
+def test_addonID(profile):
+    a = addons.AddonManager(os.path.join(profile, "profile"))
+    addon_id = a.addon_details(profile)["id"]
+    assert addon_id == "winning"
+
+
+def test_addonID_xpi():
+    a = addons.AddonManager("profile")
+    addon = a.addon_details(os.path.join(here, "addons", "empty.xpi"))
+    assert addon["id"] == "test-empty@quality.mozilla.org"
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_addons.py b/testing/mozbase/mozprofile/tests/test_addons.py
new file mode 100644
index 0000000000..f6b79ce498
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_addons.py
@@ -0,0 +1,373 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import zipfile
+
+import mozprofile
+import mozunit
+import pytest
+from addon_stubs import generate_addon
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+
+@pytest.fixture
+def profile():
+    return mozprofile.Profile()
+
+
+@pytest.fixture
+def am(profile):
+    return profile.addons
+
+
+def test_install_multiple_same_source(tmpdir, am):
+    path = tmpdir.strpath
+
+    # Generate installer stubs for all possible types of addons
+    addon_xpi = generate_addon("test-addon-1@mozilla.org", path=path)
+    addon_folder = generate_addon("test-addon-1@mozilla.org", path=path, xpi=False)
+
+    # The same folder should not be installed twice
+    am.install([addon_folder, addon_folder])
+    assert am.installed_addons == [addon_folder]
+    am.clean()
+
+    # The same XPI file should not be installed twice
+    am.install([addon_xpi, addon_xpi])
+    assert am.installed_addons == [addon_xpi]
+    am.clean()
+
+    # Even if it is the same id the add-on should be installed twice, if
+    # specified via XPI and folder
+    am.install([addon_folder, addon_xpi])
+    assert len(am.installed_addons) == 2
+    assert addon_folder in am.installed_addons
+    assert addon_xpi in am.installed_addons
+    am.clean()
+
+
+def test_install_webextension_from_dir(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    addon = os.path.join(here, "addons", "apply-css.xpi")
+    zipped = zipfile.ZipFile(addon)
+    try:
+        zipped.extractall(tmpdir)
+    finally:
+        zipped.close()
+    am.install(tmpdir)
+    assert len(am.installed_addons) == 1
+    assert os.path.isdir(am.installed_addons[0])
+
+
+def test_install_webextension(am):
+    addon = os.path.join(here, "addons", "apply-css.xpi")
+
+    am.install(addon)
+    assert len(am.installed_addons) == 1
+    assert os.path.isfile(am.installed_addons[0])
+    assert "apply-css.xpi" == os.path.basename(am.installed_addons[0])
+
+    details = am.addon_details(am.installed_addons[0])
+    assert "test-webext@quality.mozilla.org" == details["id"]
+
+
+def test_install_webextension_id_via_browser_specific_settings(am):
+    # See Bug 1572404
+    addon = os.path.join(
+        here, "addons", "apply-css-id-via-browser-specific-settings.xpi"
+    )
+    am.install(addon)
+    assert len(am.installed_addons) == 1
+    assert os.path.isfile(am.installed_addons[0])
+    assert "apply-css-id-via-browser-specific-settings.xpi" == os.path.basename(
+        am.installed_addons[0]
+    )
+
+    details = am.addon_details(am.installed_addons[0])
+    assert "test-webext@quality.mozilla.org" == details["id"]
+
+
+def test_install_webextension_sans_id(am):
+    addon = os.path.join(here, "addons", "apply-css-sans-id.xpi")
+    am.install(addon)
+
+    assert len(am.installed_addons) == 1
+    assert os.path.isfile(am.installed_addons[0])
+    assert "apply-css-sans-id.xpi" == os.path.basename(am.installed_addons[0])
+
+    details = am.addon_details(am.installed_addons[0])
+    assert "@temporary-addon" in details["id"]
+
+
+def test_install_xpi(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    addons_to_install = []
+    addons_installed = []
+
+    # Generate installer stubs and install them
+    for ext in ["test-addon-1@mozilla.org", "test-addon-2@mozilla.org"]:
+        temp_addon = generate_addon(ext, path=tmpdir)
+        addons_to_install.append(am.addon_details(temp_addon)["id"])
+        am.install(temp_addon)
+
+    # Generate a list of addons installed in the profile
+    addons_installed = [
+        str(x[: -len(".xpi")])
+        for x in os.listdir(os.path.join(am.profile, "extensions"))
+    ]
+    assert addons_to_install.sort() == addons_installed.sort()
+
+
+def test_install_folder(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    # Generate installer stubs for all possible types of addons
+    addons = []
+    addons.append(generate_addon("test-addon-1@mozilla.org", path=tmpdir))
+    addons.append(generate_addon("test-addon-2@mozilla.org", path=tmpdir, xpi=False))
+    addons.append(
+        generate_addon("test-addon-3@mozilla.org", path=tmpdir, name="addon-3")
+    )
+    addons.append(
+        generate_addon(
+            "test-addon-4@mozilla.org", path=tmpdir, name="addon-4", xpi=False
+        )
+    )
+    addons.sort()
+
+    am.install(tmpdir)
+
+    assert am.installed_addons == addons
+
+
+def test_install_unpack(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    # Generate installer stubs for all possible types of addons
+    addon_xpi = generate_addon("test-addon-unpack@mozilla.org", path=tmpdir)
+    addon_folder = generate_addon(
+        "test-addon-unpack@mozilla.org", path=tmpdir, xpi=False
+    )
+    addon_no_unpack = generate_addon("test-addon-1@mozilla.org", path=tmpdir)
+
+    # Test unpack flag for add-on as XPI
+    am.install(addon_xpi)
+    assert am.installed_addons == [addon_xpi]
+    am.clean()
+
+    # Test unpack flag for add-on as folder
+    am.install(addon_folder)
+    assert am.installed_addons == [addon_folder]
+    am.clean()
+
+    # Test forcing unpack an add-on
+    am.install(addon_no_unpack, unpack=True)
+    assert am.installed_addons == [addon_no_unpack]
+    am.clean()
+
+
+def test_install_after_reset(tmpdir, profile):
+    tmpdir = tmpdir.strpath
+    am = profile.addons
+
+    # Installing the same add-on after a reset should not cause a failure
+    addon = generate_addon("test-addon-1@mozilla.org", path=tmpdir, xpi=False)
+
+    # We cannot use am because profile.reset() creates a new instance
+    am.install(addon)
+    profile.reset()
+
+    am.install(addon)
+    assert am.installed_addons == [addon]
+
+
+def test_install_backup(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    staged_path = os.path.join(am.profile, "extensions")
+
+    # Generate installer stubs for all possible types of addons
+    addon_xpi = generate_addon("test-addon-1@mozilla.org", path=tmpdir)
+    addon_folder = generate_addon("test-addon-1@mozilla.org", path=tmpdir, xpi=False)
+    addon_name = generate_addon(
+        "test-addon-1@mozilla.org", path=tmpdir, name="test-addon-1-dupe@mozilla.org"
+    )
+
+    # Test backup of xpi files
+    am.install(addon_xpi)
+    assert am.backup_dir is None
+
+    am.install(addon_xpi)
+    assert am.backup_dir is not None
+    assert os.listdir(am.backup_dir) == ["test-addon-1@mozilla.org.xpi"]
+
+    am.clean()
+    assert os.listdir(staged_path) == ["test-addon-1@mozilla.org.xpi"]
+    am.clean()
+
+    # Test backup of folders
+    am.install(addon_folder)
+    assert am.backup_dir is None
+
+    am.install(addon_folder)
+    assert am.backup_dir is not None
+    assert os.listdir(am.backup_dir) == ["test-addon-1@mozilla.org"]
+
+    am.clean()
+    assert os.listdir(staged_path) == ["test-addon-1@mozilla.org"]
+    am.clean()
+
+    # Test backup of xpi files with another file name
+    am.install(addon_name)
+    assert am.backup_dir is None
+
+    am.install(addon_xpi)
+    assert am.backup_dir is not None
+    assert os.listdir(am.backup_dir) == ["test-addon-1@mozilla.org.xpi"]
+
+    am.clean()
+    assert os.listdir(staged_path) == ["test-addon-1@mozilla.org.xpi"]
+    am.clean()
+
+
+def test_install_invalid_addons(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    # Generate installer stubs for all possible types of addons
+    addons = []
+    addons.append(
+        generate_addon(
+            "test-addon-invalid-no-manifest@mozilla.org", path=tmpdir, xpi=False
+        )
+    )
+    addons.append(generate_addon("test-addon-invalid-no-id@mozilla.org", path=tmpdir))
+
+    am.install(tmpdir)
+
+    assert am.installed_addons == []
+
+
+@pytest.mark.xfail(reason="feature not implemented as part of AddonManger")
+def test_install_error(am):
+    """Check install raises an error with an invalid addon"""
+    temp_addon = generate_addon("test-addon-invalid-version@mozilla.org")
+    # This should raise an error here
+    with pytest.raises(Exception):
+        am.install(temp_addon)
+
+
+def test_addon_details(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    # Generate installer stubs for a valid and invalid add-on manifest
+    valid_addon = generate_addon("test-addon-1@mozilla.org", path=tmpdir)
+    invalid_addon = generate_addon(
+        "test-addon-invalid-not-wellformed@mozilla.org", path=tmpdir
+    )
+
+    # Check valid add-on
+    details = am.addon_details(valid_addon)
+    assert details["id"] == "test-addon-1@mozilla.org"
+    assert details["name"] == "Test Add-on 1"
+    assert not details["unpack"]
+    assert details["version"] == "0.1"
+
+    # Check invalid add-on
+    with pytest.raises(mozprofile.addons.AddonFormatError):
+        am.addon_details(invalid_addon)
+
+    # Check invalid path
+    with pytest.raises(IOError):
+        am.addon_details("")
+
+    # Check invalid add-on format
+    addon_path = os.path.join(os.path.join(here, "files"), "not_an_addon.txt")
+    with pytest.raises(mozprofile.addons.AddonFormatError):
+        am.addon_details(addon_path)
+
+
+def test_clean_addons(am):
+    addon_one = generate_addon("test-addon-1@mozilla.org")
+    addon_two = generate_addon("test-addon-2@mozilla.org")
+
+    am.install(addon_one)
+    installed_addons = [
+        str(x[: -len(".xpi")])
+        for x in os.listdir(os.path.join(am.profile, "extensions"))
+    ]
+
+    # Create a new profile based on an existing profile
+    # Install an extra addon in the new profile
+    # Cleanup addons
+    duplicate_profile = mozprofile.profile.Profile(profile=am.profile, addons=addon_two)
+    duplicate_profile.addons.clean()
+
+    addons_after_cleanup = [
+        str(x[: -len(".xpi")])
+        for x in os.listdir(os.path.join(duplicate_profile.profile, "extensions"))
+    ]
+    # New addons installed should be removed by clean_addons()
+    assert installed_addons == addons_after_cleanup
+
+
+def test_noclean(tmpdir):
+    """test `restore=True/False` functionality"""
+    profile = tmpdir.mkdtemp().strpath
+    tmpdir = tmpdir.mkdtemp().strpath
+
+    # empty initially
+    assert not bool(os.listdir(profile))
+
+    # make an addon
+    addons = [
+        generate_addon("test-addon-1@mozilla.org", path=tmpdir),
+        os.path.join(here, "addons", "empty.xpi"),
+    ]
+
+    # install it with a restore=True AddonManager
+    am = mozprofile.addons.AddonManager(profile, restore=True)
+
+    for addon in addons:
+        am.install(addon)
+
+    # now its there
+    assert os.listdir(profile) == ["extensions"]
+    staging_folder = os.path.join(profile, "extensions")
+    assert os.path.exists(staging_folder)
+    assert len(os.listdir(staging_folder)) == 2
+
+    del am
+
+    assert os.listdir(profile) == ["extensions"]
+    assert os.path.exists(staging_folder)
+    assert os.listdir(staging_folder) == []
+
+
+def test_remove_addon(tmpdir, am):
+    tmpdir = tmpdir.strpath
+
+    addons = []
+    addons.append(generate_addon("test-addon-1@mozilla.org", path=tmpdir))
+    addons.append(generate_addon("test-addon-2@mozilla.org", path=tmpdir))
+
+    am.install(tmpdir)
+
+    extensions_path = os.path.join(am.profile, "extensions")
+    staging_path = os.path.join(extensions_path)
+
+    for addon in am._addons:
+        am.remove_addon(addon)
+
+    assert os.listdir(staging_path) == []
+    assert os.listdir(extensions_path) == []
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_bug758250.py b/testing/mozbase/mozprofile/tests/test_bug758250.py
new file mode 100755
index 0000000000..526454a476
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_bug758250.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+import os
+import shutil
+
+import mozprofile
+import mozunit
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+"""
+use of --profile in mozrunner just blows away addon sources:
+https://bugzilla.mozilla.org/show_bug.cgi?id=758250
+"""
+
+
+def test_profile_addon_cleanup(tmpdir):
+    tmpdir = tmpdir.mkdtemp().strpath
+    addon = os.path.join(here, "addons", "empty")
+
+    # sanity check: the empty addon should be here
+    assert os.path.exists(addon)
+    assert os.path.isdir(addon)
+    assert os.path.exists(os.path.join(addon, "install.rdf"))
+
+    # because we are testing data loss, let's make sure we make a copy
+    shutil.rmtree(tmpdir)
+    shutil.copytree(addon, tmpdir)
+    assert os.path.exists(os.path.join(tmpdir, "install.rdf"))
+
+    # make a starter profile
+    profile = mozprofile.FirefoxProfile()
+    path = profile.profile
+
+    # make a new profile based on the old
+    newprofile = mozprofile.FirefoxProfile(profile=path, addons=[tmpdir])
+    newprofile.cleanup()
+
+    # the source addon *should* still exist
+    assert os.path.exists(tmpdir)
+    assert os.path.exists(os.path.join(tmpdir, "install.rdf"))
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_chrome_profile.py b/testing/mozbase/mozprofile/tests/test_chrome_profile.py
new file mode 100644
index 0000000000..27c07686f8
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_chrome_profile.py
@@ -0,0 +1,72 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import json
+import os
+
+import mozunit
+from mozprofile import ChromeProfile
+
+
+def test_chrome_profile_pre_existing(tmpdir):
+    path = tmpdir.strpath
+    profile = ChromeProfile(profile=path)
+    assert not profile.create_new
+    assert os.path.isdir(profile.profile)
+    assert profile.profile == path
+
+
+def test_chrome_profile_create_new():
+    profile = ChromeProfile()
+    assert profile.create_new
+    assert os.path.isdir(profile.profile)
+    assert profile.profile.endswith("Default")
+
+
+def test_chrome_preferences(tmpdir):
+    prefs = {"foo": "bar"}
+    profile = ChromeProfile(preferences=prefs)
+    prefs_file = os.path.join(profile.profile, "Preferences")
+
+    assert os.path.isfile(prefs_file)
+
+    with open(prefs_file) as fh:
+        assert json.load(fh) == prefs
+
+    # test with existing prefs
+    prefs_file = tmpdir.join("Preferences").strpath
+    with open(prefs_file, "w") as fh:
+        json.dump({"num": "1"}, fh)
+
+    profile = ChromeProfile(profile=tmpdir.strpath, preferences=prefs)
+
+    def assert_prefs():
+        with open(prefs_file) as fh:
+            data = json.load(fh)
+
+        assert len(data) == 2
+        assert data.get("foo") == "bar"
+        assert data.get("num") == "1"
+
+    assert_prefs()
+    profile.reset()
+    assert_prefs()
+
+
+def test_chrome_addons():
+    addons = ["foo", "bar"]
+    profile = ChromeProfile(addons=addons)
+
+    assert isinstance(profile.addons, list)
+    assert profile.addons == addons
+
+    profile.addons.install("baz")
+    assert profile.addons == addons + ["baz"]
+
+    profile.reset()
+    assert profile.addons == addons
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_clone_cleanup.py b/testing/mozbase/mozprofile/tests/test_clone_cleanup.py
new file mode 100644
index 0000000000..5a2e9bbd24
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_clone_cleanup.py
@@ -0,0 +1,78 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozfile
+import mozunit
+import pytest
+from mozprofile.profile import Profile
+
+"""
+test cleanup logic for the clone functionality
+see https://bugzilla.mozilla.org/show_bug.cgi?id=642843
+"""
+
+
+@pytest.fixture
+def profile(tmpdir):
+    # make a profile with one preference
+    path = tmpdir.mkdtemp().strpath
+    profile = Profile(path, preferences={"foo": "bar"}, restore=False)
+    user_js = os.path.join(profile.profile, "user.js")
+    assert os.path.exists(user_js)
+    return profile
+
+
+def test_restore_true(profile):
+    counter = [0]
+
+    def _feedback(dir, content):
+        # Called by shutil.copytree on each visited directory.
+        # Used here to display info.
+        #
+        # Returns the items that should be ignored by
+        # shutil.copytree when copying the tree, so always returns
+        # an empty list.
+        counter[0] += 1
+        return []
+
+    # make a clone of this profile with restore=True
+    clone = Profile.clone(profile.profile, restore=True, ignore=_feedback)
+    try:
+        clone.cleanup()
+
+        # clone should be deleted
+        assert not os.path.exists(clone.profile)
+        assert counter[0] > 0
+    finally:
+        mozfile.remove(clone.profile)
+
+
+def test_restore_false(profile):
+    # make a clone of this profile with restore=False
+    clone = Profile.clone(profile.profile, restore=False)
+    try:
+        clone.cleanup()
+
+        # clone should still be around on the filesystem
+        assert os.path.exists(clone.profile)
+    finally:
+        mozfile.remove(clone.profile)
+
+
+def test_cleanup_on_garbage_collected(profile):
+    clone = Profile.clone(profile.profile)
+    profile_dir = clone.profile
+    assert os.path.exists(profile_dir)
+    del clone
+
+    # clone should be deleted
+    assert not os.path.exists(profile_dir)
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_nonce.py b/testing/mozbase/mozprofile/tests/test_nonce.py
new file mode 100755
index 0000000000..3e3b2ae2b8
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_nonce.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+
+"""
+test nonce in prefs delimeters
+see https://bugzilla.mozilla.org/show_bug.cgi?id=722804
+"""
+
+import os
+
+import mozunit
+from mozprofile.prefs import Preferences
+from mozprofile.profile import Profile
+
+
+def test_nonce(tmpdir):
+    # make a profile with one preference
+    path = tmpdir.strpath
+    profile = Profile(path, preferences={"foo": "bar"}, restore=False)
+    user_js = os.path.join(profile.profile, "user.js")
+    assert os.path.exists(user_js)
+
+    # ensure the preference is correct
+    prefs = Preferences.read_prefs(user_js)
+    assert dict(prefs) == {"foo": "bar"}
+
+    del profile
+
+    # augment the profile with a second preference
+    profile = Profile(path, preferences={"fleem": "baz"}, restore=True)
+    prefs = Preferences.read_prefs(user_js)
+    assert dict(prefs) == {"foo": "bar", "fleem": "baz"}
+
+    # cleanup the profile;
+    # this should remove the new preferences but not the old
+    profile.cleanup()
+    prefs = Preferences.read_prefs(user_js)
+    assert dict(prefs) == {"foo": "bar"}
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_permissions.py b/testing/mozbase/mozprofile/tests/test_permissions.py
new file mode 100755
index 0000000000..3fe688366d
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_permissions.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import mozunit
+import pytest
+from mozprofile.permissions import Permissions
+
+LOCATIONS = """http://mochi.test:8888  primary,privileged
+http://127.0.0.1:8888           privileged
+"""
+
+
+@pytest.fixture
+def locations_file(tmpdir):
+    locations_file = tmpdir.join("locations.txt")
+    locations_file.write(LOCATIONS)
+    return locations_file.strpath
+
+
+@pytest.fixture
+def perms(tmpdir, locations_file):
+    return Permissions(locations_file)
+
+
+def test_nw_prefs(perms):
+    prefs, user_prefs = perms.network_prefs(False)
+
+    assert len(user_prefs) == 0
+    assert len(prefs) == 0
+
+    prefs, user_prefs = perms.network_prefs({"http": 8888})
+    assert len(user_prefs) == 2
+    assert user_prefs[0] == ("network.proxy.type", 2)
+    assert user_prefs[1][0] == "network.proxy.autoconfig_url"
+
+    origins_decl = (
+        "var knownOrigins = (function () {  return ['http://mochi.test:8888', "
+        "'http://127.0.0.1:8888'].reduce"
+    )
+    assert origins_decl in user_prefs[1][1]
+
+    proxy_check = (
+        "'http': 'PROXY mochi.test:8888'",
+        "'https': 'PROXY mochi.test:4443'",
+        "'ws': 'PROXY mochi.test:4443'",
+        "'wss': 'PROXY mochi.test:4443'",
+    )
+    assert all(c in user_prefs[1][1] for c in proxy_check)
+
+    prefs, user_prefs = perms.network_prefs({"dohServerPort": 443})
+    print(user_prefs)
+    assert len(user_prefs) == 5
+    assert user_prefs[0] == ("network.proxy.type", 0)
+    assert user_prefs[1] == ("network.trr.mode", 3)
+    assert user_prefs[2] == ("network.trr.uri", "https://foo.example.com:443/dns-query")
+    assert user_prefs[3] == ("network.trr.bootstrapAddr", "127.0.0.1")
+    assert user_prefs[4] == ("network.dns.force_use_https_rr", True)
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_preferences.py b/testing/mozbase/mozprofile/tests/test_preferences.py
new file mode 100755
index 0000000000..6cc62546e3
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_preferences.py
@@ -0,0 +1,428 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import shutil
+import tempfile
+
+import mozfile
+import mozunit
+import pytest
+from mozprofile.cli import MozProfileCLI
+from mozprofile.prefs import Preferences, PreferencesReadError
+from mozprofile.profile import Profile
+from wptserve import server
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+
+# preferences from files/prefs_with_comments.js
+_prefs_with_comments = {
+    "browser.startup.homepage": "http://planet.mozilla.org",
+    "zoom.minPercent": 30,
+    "zoom.maxPercent": 300,
+    "webgl.verbose": "false",
+}
+
+
+@pytest.fixture
+def run_command():
+    """
+    invokes mozprofile command line via the CLI factory
+    - args : command line arguments (equivalent of sys.argv[1:])
+    """
+
+    def inner(*args):
+        # instantiate the factory
+        cli = MozProfileCLI(list(args))
+
+        # create the profile
+        profile = cli.profile()
+
+        # return path to profile
+        return profile.profile
+
+    return inner
+
+
+@pytest.fixture
+def compare_generated(run_command):
+    """
+    writes out to a new profile with mozprofile command line
+    reads the generated preferences with prefs.py
+    compares the results
+    cleans up
+    """
+
+    def inner(prefs, commandline):
+        profile = run_command(*commandline)
+        prefs_file = os.path.join(profile, "user.js")
+        assert os.path.exists(prefs_file)
+        read = Preferences.read_prefs(prefs_file)
+        if isinstance(prefs, dict):
+            read = dict(read)
+        assert prefs == read
+        shutil.rmtree(profile)
+
+    return inner
+
+
+def test_basic_prefs(compare_generated):
+    """test setting a pref from the command line entry point"""
+
+    _prefs = {"browser.startup.homepage": "http://planet.mozilla.org/"}
+    commandline = []
+    for pref, value in _prefs.items():
+        commandline += ["--pref", "%s:%s" % (pref, value)]
+    compare_generated(_prefs, commandline)
+
+
+def test_ordered_prefs(compare_generated):
+    """ensure the prefs stay in the right order"""
+    _prefs = [
+        ("browser.startup.homepage", "http://planet.mozilla.org/"),
+        ("zoom.minPercent", 30),
+        ("zoom.maxPercent", 300),
+        ("webgl.verbose", "false"),
+    ]
+    commandline = []
+    for pref, value in _prefs:
+        commandline += ["--pref", "%s:%s" % (pref, value)]
+    _prefs = [(i, Preferences.cast(j)) for i, j in _prefs]
+    compare_generated(_prefs, commandline)
+
+
+def test_ini(compare_generated):
+    # write the .ini file
+    _ini = """[DEFAULT]
+browser.startup.homepage = http://planet.mozilla.org/
+
+[foo]
+browser.startup.homepage = http://github.com/
+"""
+    try:
+        fd, name = tempfile.mkstemp(suffix=".ini", text=True)
+        os.write(fd, _ini.encode())
+        os.close(fd)
+        commandline = ["--preferences", name]
+
+        # test the [DEFAULT] section
+        _prefs = {"browser.startup.homepage": "http://planet.mozilla.org/"}
+        compare_generated(_prefs, commandline)
+
+        # test a specific section
+        _prefs = {"browser.startup.homepage": "http://github.com/"}
+        commandline[-1] = commandline[-1] + ":foo"
+        compare_generated(_prefs, commandline)
+
+    finally:
+        # cleanup
+        os.remove(name)
+
+
+def test_ini_keep_case(compare_generated):
+    """
+    Read a preferences config file with a preference in camel-case style.
+    Check that the read preference name has not been lower-cased
+    """
+    # write the .ini file
+    _ini = """[DEFAULT]
+network.dns.disableIPv6 = True
+"""
+    try:
+        fd, name = tempfile.mkstemp(suffix=".ini", text=True)
+        os.write(fd, _ini.encode())
+        os.close(fd)
+        commandline = ["--preferences", name]
+
+        # test the [DEFAULT] section
+        _prefs = {"network.dns.disableIPv6": "True"}
+        compare_generated(_prefs, commandline)
+
+    finally:
+        # cleanup
+        os.remove(name)
+
+
+def test_reset_should_remove_added_prefs():
+    """Check that when we call reset the items we expect are updated"""
+    profile = Profile()
+    prefs_file = os.path.join(profile.profile, "user.js")
+
+    # we shouldn't have any initial preferences
+    initial_prefs = Preferences.read_prefs(prefs_file)
+    assert not initial_prefs
+    initial_prefs = open(prefs_file).read().strip()
+    assert not initial_prefs
+
+    # add some preferences
+    prefs1 = [("mr.t.quotes", "i aint getting on no plane!")]
+    profile.set_preferences(prefs1)
+    assert prefs1 == Preferences.read_prefs(prefs_file)
+    lines = open(prefs_file).read().strip().splitlines()
+    assert any(line.startswith("#MozRunner Prefs Start") for line in lines)
+    assert any(line.startswith("#MozRunner Prefs End") for line in lines)
+
+    profile.reset()
+    assert prefs1 != Preferences.read_prefs(os.path.join(profile.profile, "user.js"))
+
+
+def test_reset_should_keep_user_added_prefs():
+    """Check that when we call reset the items we expect are updated"""
+    profile = Profile()
+    prefs_file = os.path.join(profile.profile, "user.js")
+
+    # we shouldn't have any initial preferences
+    initial_prefs = Preferences.read_prefs(prefs_file)
+    assert not initial_prefs
+    initial_prefs = open(prefs_file).read().strip()
+    assert not initial_prefs
+
+    # add some preferences
+    prefs1 = [("mr.t.quotes", "i aint getting on no plane!")]
+    profile.set_persistent_preferences(prefs1)
+    assert prefs1 == Preferences.read_prefs(prefs_file)
+    lines = open(prefs_file).read().strip().splitlines()
+    assert any(line.startswith("#MozRunner Prefs Start") for line in lines)
+    assert any(line.startswith("#MozRunner Prefs End") for line in lines)
+
+    profile.reset()
+    assert prefs1 == Preferences.read_prefs(os.path.join(profile.profile, "user.js"))
+
+
+def test_magic_markers():
+    """ensure our magic markers are working"""
+
+    profile = Profile()
+    prefs_file = os.path.join(profile.profile, "user.js")
+
+    # we shouldn't have any initial preferences
+    initial_prefs = Preferences.read_prefs(prefs_file)
+    assert not initial_prefs
+    initial_prefs = open(prefs_file).read().strip()
+    assert not initial_prefs
+
+    # add some preferences
+    prefs1 = [
+        ("browser.startup.homepage", "http://planet.mozilla.org/"),
+        ("zoom.minPercent", 30),
+    ]
+    profile.set_preferences(prefs1)
+    assert prefs1 == Preferences.read_prefs(prefs_file)
+    lines = open(prefs_file).read().strip().splitlines()
+    assert bool([line for line in lines if line.startswith("#MozRunner Prefs Start")])
+    assert bool([line for line in lines if line.startswith("#MozRunner Prefs End")])
+
+    # add some more preferences
+    prefs2 = [("zoom.maxPercent", 300), ("webgl.verbose", "false")]
+    profile.set_preferences(prefs2)
+    assert prefs1 + prefs2 == Preferences.read_prefs(prefs_file)
+    lines = open(prefs_file).read().strip().splitlines()
+    assert (
+        len([line for line in lines if line.startswith("#MozRunner Prefs Start")]) == 2
+    )
+    assert len([line for line in lines if line.startswith("#MozRunner Prefs End")]) == 2
+
+    # now clean it up
+    profile.clean_preferences()
+    final_prefs = Preferences.read_prefs(prefs_file)
+    assert not final_prefs
+    lines = open(prefs_file).read().strip().splitlines()
+    assert "#MozRunner Prefs Start" not in lines
+    assert "#MozRunner Prefs End" not in lines
+
+
+def test_preexisting_preferences():
+    """ensure you don't clobber preexisting preferences"""
+
+    # make a pretend profile
+    tempdir = tempfile.mkdtemp()
+
+    try:
+        # make a user.js
+        contents = """
+user_pref("webgl.enabled_for_all_sites", true);
+user_pref("webgl.force-enabled", true);
+"""
+        user_js = os.path.join(tempdir, "user.js")
+        f = open(user_js, "w")
+        f.write(contents)
+        f.close()
+
+        # make sure you can read it
+        prefs = Preferences.read_prefs(user_js)
+        original_prefs = [
+            ("webgl.enabled_for_all_sites", True),
+            ("webgl.force-enabled", True),
+        ]
+        assert prefs == original_prefs
+
+        # now read this as a profile
+        profile = Profile(
+            tempdir, preferences={"browser.download.dir": "/home/jhammel"}
+        )
+
+        # make sure the new pref is now there
+        new_prefs = original_prefs[:] + [("browser.download.dir", "/home/jhammel")]
+        prefs = Preferences.read_prefs(user_js)
+        assert prefs == new_prefs
+
+        # clean up the added preferences
+        profile.cleanup()
+        del profile
+
+        # make sure you have the original preferences
+        prefs = Preferences.read_prefs(user_js)
+        assert prefs == original_prefs
+    finally:
+        shutil.rmtree(tempdir)
+
+
+def test_can_read_prefs_with_multiline_comments():
+    """
+    Ensure that multiple comments in the file header do not break reading
+    the prefs (https://bugzilla.mozilla.org/show_bug.cgi?id=1233534).
+    """
+    user_js = tempfile.NamedTemporaryFile(suffix=".js", delete=False)
+    try:
+        with user_js:
+            user_js.write(
+                """
+# Mozilla User Preferences
+
+/* Do not edit this file.
+*
+* If you make changes to this file while the application is running,
+* the changes will be overwritten when the application exits.
+*
+* To make a manual change to preferences, you can visit the URL about:config
+*/
+
+user_pref("webgl.enabled_for_all_sites", true);
+user_pref("webgl.force-enabled", true);
+""".encode()
+            )
+        assert Preferences.read_prefs(user_js.name) == [
+            ("webgl.enabled_for_all_sites", True),
+            ("webgl.force-enabled", True),
+        ]
+    finally:
+        mozfile.remove(user_js.name)
+
+
+def test_json(compare_generated):
+    _prefs = {"browser.startup.homepage": "http://planet.mozilla.org/"}
+    json = '{"browser.startup.homepage": "http://planet.mozilla.org/"}'
+
+    # just repr it...could use the json module but we don't need it here
+    with mozfile.NamedTemporaryFile(suffix=".json") as f:
+        f.write(json.encode())
+        f.flush()
+
+        commandline = ["--preferences", f.name]
+        compare_generated(_prefs, commandline)
+
+
+def test_json_datatypes():
+    # minPercent is at 30.1 to test if non-integer data raises an exception
+    json = """{"zoom.minPercent": 30.1, "zoom.maxPercent": 300}"""
+
+    with mozfile.NamedTemporaryFile(suffix=".json") as f:
+        f.write(json.encode())
+        f.flush()
+
+        with pytest.raises(PreferencesReadError):
+            Preferences.read_json(f._path)
+
+
+def test_prefs_write():
+    """test that the Preferences.write() method correctly serializes preferences"""
+
+    _prefs = {
+        "browser.startup.homepage": "http://planet.mozilla.org",
+        "zoom.minPercent": 30,
+        "zoom.maxPercent": 300,
+    }
+
+    # make a Preferences manager with the testing preferences
+    preferences = Preferences(_prefs)
+
+    # write them to a temporary location
+    path = None
+    read_prefs = None
+    try:
+        with mozfile.NamedTemporaryFile(suffix=".js", delete=False, mode="w+t") as f:
+            path = f.name
+            preferences.write(f, _prefs)
+
+        # read them back and ensure we get what we put in
+        read_prefs = dict(Preferences.read_prefs(path))
+
+    finally:
+        # cleanup
+        if path and os.path.exists(path):
+            os.remove(path)
+
+    assert read_prefs == _prefs
+
+
+def test_read_prefs_with_comments():
+    """test reading preferences from a prefs.js file that contains comments"""
+
+    path = os.path.join(here, "files", "prefs_with_comments.js")
+    assert dict(Preferences.read_prefs(path)) == _prefs_with_comments
+
+
+def test_read_prefs_with_interpolation():
+    """test reading preferences from a prefs.js file whose values
+    require interpolation"""
+
+    expected_prefs = {
+        "browser.foo": "http://server-name",
+        "zoom.minPercent": 30,
+        "webgl.verbose": "false",
+        "browser.bar": "somethingxyz",
+    }
+    values = {"server": "server-name", "abc": "something"}
+    path = os.path.join(here, "files", "prefs_with_interpolation.js")
+    read_prefs = Preferences.read_prefs(path, interpolation=values)
+    assert dict(read_prefs) == expected_prefs
+
+
+def test_read_prefs_with_multiline():
+    """test reading preferences from a prefs.js file that contains multiline prefs"""
+
+    path = os.path.join(here, "files", "prefs_with_multiline.js")
+    assert dict(Preferences.read_prefs(path)) == {
+        "browser.long.preference.name.that.causes.the.line.to.wrap": "itislong"
+    }
+
+
+def test_read_prefs_ttw():
+    """test reading preferences through the web via wptserve"""
+
+    # create a WebTestHttpd instance
+    docroot = os.path.join(here, "files")
+    host = "127.0.0.1"
+    port = 8888
+    httpd = server.WebTestHttpd(host=host, port=port, doc_root=docroot)
+
+    # create a preferences instance
+    prefs = Preferences()
+
+    try:
+        # start server
+        httpd.start()
+
+        # read preferences through the web
+        read = prefs.read_prefs("http://%s:%d/prefs_with_comments.js" % (host, port))
+        assert dict(read) == _prefs_with_comments
+    finally:
+        httpd.stop()
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_profile.py b/testing/mozbase/mozprofile/tests/test_profile.py
new file mode 100644
index 0000000000..afbd4c365b
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_profile.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozunit
+import pytest
+from mozprofile import (
+    BaseProfile,
+    ChromeProfile,
+    ChromiumProfile,
+    FirefoxProfile,
+    Profile,
+    ThunderbirdProfile,
+    create_profile,
+)
+from mozprofile.prefs import Preferences
+
+here = os.path.abspath(os.path.dirname(__file__))
+
+
+def test_with_profile_should_cleanup():
+    with Profile() as profile:
+        assert os.path.exists(profile.profile)
+
+    # profile is cleaned
+    assert not os.path.exists(profile.profile)
+
+
+def test_with_profile_should_cleanup_even_on_exception():
+    with pytest.raises(ZeroDivisionError):
+        # pylint --py3k W1619
+        with Profile() as profile:
+            assert os.path.exists(profile.profile)
+            1 / 0  # will raise ZeroDivisionError
+
+    # profile is cleaned
+    assert not os.path.exists(profile.profile)
+
+
+@pytest.mark.parametrize(
+    "app,cls",
+    [
+        ("chrome", ChromeProfile),
+        ("chromium", ChromiumProfile),
+        ("firefox", FirefoxProfile),
+        ("thunderbird", ThunderbirdProfile),
+        ("unknown", None),
+    ],
+)
+def test_create_profile(tmpdir, app, cls):
+    path = tmpdir.strpath
+
+    if cls is None:
+        with pytest.raises(NotImplementedError):
+            create_profile(app)
+        return
+
+    profile = create_profile(app, profile=path)
+    assert isinstance(profile, BaseProfile)
+    assert profile.__class__ == cls
+    assert profile.profile == path
+
+
+@pytest.mark.parametrize(
+    "cls",
+    [
+        Profile,
+        ChromeProfile,
+        ChromiumProfile,
+    ],
+)
+def test_merge_profile(cls):
+    profile = cls(preferences={"foo": "bar"})
+    assert profile._addons == []
+    assert os.path.isfile(
+        os.path.join(profile.profile, profile.preference_file_names[0])
+    )
+
+    other_profile = os.path.join(here, "files", "dummy-profile")
+    profile.merge(other_profile)
+
+    # make sure to add a pref file for each preference_file_names in the dummy-profile
+    prefs = {}
+    for name in profile.preference_file_names:
+        path = os.path.join(profile.profile, name)
+        assert os.path.isfile(path)
+
+        try:
+            prefs.update(Preferences.read_json(path))
+        except ValueError:
+            prefs.update(Preferences.read_prefs(path))
+
+    assert "foo" in prefs
+    assert len(prefs) == len(profile.preference_file_names) + 1
+    assert all(name in prefs for name in profile.preference_file_names)
+
+    # for Google Chrome currently we ignore webext in profile prefs
+    if cls == Profile:
+        assert len(profile._addons) == 1
+        assert profile._addons[0].endswith("empty.xpi")
+        assert os.path.exists(profile._addons[0])
+    else:
+        assert len(profile._addons) == 0
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_profile_view.py b/testing/mozbase/mozprofile/tests/test_profile_view.py
new file mode 100644
index 0000000000..67ad284298
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_profile_view.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+import mozprofile
+import mozunit
+import pytest
+from six import text_type
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+
+def test_profileprint(tmpdir):
+    """Test the summary function."""
+    keys = set(["Files", "Path"])
+
+    tmpdir = tmpdir.strpath
+    profile = mozprofile.FirefoxProfile(tmpdir)
+    parts = profile.summary(return_parts=True)
+    parts = dict(parts)
+
+    assert parts["Path"] == tmpdir
+    assert set(parts.keys()) == keys
+
+
+def test_str_cast():
+    """Test casting to a string."""
+    profile = mozprofile.Profile()
+    if sys.version_info[0] >= 3:
+        assert str(profile) == profile.summary()
+    else:
+        assert str(profile) == profile.summary().encode("utf-8")
+
+
+@pytest.mark.skipif(
+    sys.version_info[0] >= 3, reason="no unicode() operator starting from python3"
+)
+def test_unicode_cast():
+    """Test casting to a unicode string."""
+    profile = mozprofile.Profile()
+    assert text_type(profile) == profile.summary()
+
+
+def test_profile_diff():
+    profile1 = mozprofile.Profile()
+    profile2 = mozprofile.Profile(preferences=dict(foo="bar"))
+
+    # diff a profile against itself; no difference
+    assert mozprofile.diff(profile1, profile1) == []
+
+    # diff two profiles
+    diff = dict(mozprofile.diff(profile1, profile2))
+    assert list(diff.keys()) == ["user.js"]
+    lines = [line.strip() for line in diff["user.js"].splitlines()]
+    assert "+foo: bar" in lines
+
+    # diff a blank vs FirefoxProfile
+    ff_profile = mozprofile.FirefoxProfile()
+    diff = dict(mozprofile.diff(profile2, ff_profile))
+    assert list(diff.keys()) == ["user.js"]
+    lines = [line.strip() for line in diff["user.js"].splitlines()]
+    assert "-foo: bar" in lines
+    ff_pref_lines = [
+        "+%s: %s" % (key, value)
+        for key, value in mozprofile.FirefoxProfile.preferences.items()
+    ]
+    assert set(ff_pref_lines).issubset(lines)
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozprofile/tests/test_server_locations.py b/testing/mozbase/mozprofile/tests/test_server_locations.py
new file mode 100644
index 0000000000..7eae8ac834
--- /dev/null
+++ b/testing/mozbase/mozprofile/tests/test_server_locations.py
@@ -0,0 +1,117 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import mozunit
+import pytest
+from mozprofile.permissions import (
+    BadPortLocationError,
+    LocationsSyntaxError,
+    MissingPrimaryLocationError,
+    MultiplePrimaryLocationsError,
+    ServerLocations,
+)
+
+LOCATIONS = """# This is the primary location from which tests run.
+#
+http://mochi.test:8888          primary,privileged
+
+# a few test locations
+http://127.0.0.1:80             privileged
+http://127.0.0.1:8888           privileged
+https://test:80                 privileged
+http://example.org:80           privileged
+http://test1.example.org        privileged
+
+"""
+
+LOCATIONS_NO_PRIMARY = """http://secondary.test:80        privileged
+http://tertiary.test:8888       privileged
+"""
+
+LOCATIONS_BAD_PORT = """http://mochi.test:8888  primary,privileged
+http://127.0.0.1:80             privileged
+http://127.0.0.1:8888           privileged
+http://test:badport             privileged
+http://example.org:80           privileged
+"""
+
+
+def compare_location(location, scheme, host, port, options):
+    assert location.scheme == scheme
+    assert location.host == host
+    assert location.port == port
+    assert location.options == options
+
+
+@pytest.fixture
+def create_temp_file(tmpdir):
+    def inner(contents):
+        f = tmpdir.mkdtemp().join("locations.txt")
+        f.write(contents)
+        return f.strpath
+
+    return inner
+
+
+def test_server_locations(create_temp_file):
+    # write a permissions file
+    f = create_temp_file(LOCATIONS)
+
+    # read the locations
+    locations = ServerLocations(f)
+
+    # ensure that they're what we expect
+    assert len(locations) == 6
+    i = iter(locations)
+    compare_location(next(i), "http", "mochi.test", "8888", ["primary", "privileged"])
+    compare_location(next(i), "http", "127.0.0.1", "80", ["privileged"])
+    compare_location(next(i), "http", "127.0.0.1", "8888", ["privileged"])
+    compare_location(next(i), "https", "test", "80", ["privileged"])
+    compare_location(next(i), "http", "example.org", "80", ["privileged"])
+    compare_location(next(i), "http", "test1.example.org", "8888", ["privileged"])
+
+    locations.add_host("mozilla.org")
+    assert len(locations) == 7
+    compare_location(next(i), "http", "mozilla.org", "80", ["privileged"])
+
+    # test some errors
+    with pytest.raises(MultiplePrimaryLocationsError):
+        locations.add_host("primary.test", options="primary")
+
+    # assert we don't throw DuplicateLocationError
+    locations.add_host("127.0.0.1")
+
+    with pytest.raises(BadPortLocationError):
+        locations.add_host("127.0.0.1", port="abc")
+
+    # test some errors in locations file
+    f = create_temp_file(LOCATIONS_NO_PRIMARY)
+
+    exc = None
+    try:
+        ServerLocations(f)
+    except LocationsSyntaxError as e:
+        exc = e
+    assert exc is not None
+    assert exc.err.__class__ == MissingPrimaryLocationError
+    assert exc.lineno == 3
+
+    # test bad port in a locations file to ensure lineno calculated
+    # properly.
+    f = create_temp_file(LOCATIONS_BAD_PORT)
+
+    exc = None
+    try:
+        ServerLocations(f)
+    except LocationsSyntaxError as e:
+        exc = e
+    assert exc is not None
+    assert exc.err.__class__ == BadPortLocationError
+    assert exc.lineno == 4
+
+
+if __name__ == "__main__":
+    mozunit.main()