Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

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

7 files changed, 750 insertions, 0 deletions

diff --git a/testing/mozbase/mozinfo/mozinfo/__init__.py b/testing/mozbase/mozinfo/mozinfo/__init__.py
new file mode 100644
index 0000000000..9e091e0c91
--- /dev/null
+++ b/testing/mozbase/mozinfo/mozinfo/__init__.py
@@ -0,0 +1,58 @@
+# 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/.
+
+"""
+interface to transform introspected system information to a format palatable to
+Mozilla
+
+Module variables:
+
+.. attribute:: bits
+
+   32 or 64
+
+.. attribute:: isBsd
+
+   Returns ``True`` if the operating system is BSD
+
+.. attribute:: isLinux
+
+   Returns ``True`` if the operating system is Linux
+
+.. attribute:: isMac
+
+   Returns ``True`` if the operating system is Mac
+
+.. attribute:: isWin
+
+   Returns ``True`` if the operating system is Windows
+
+.. attribute:: os
+
+   Operating system [``'win'``, ``'mac'``, ``'linux'``, ...]
+
+.. attribute:: processor
+
+   Processor architecture [``'x86'``, ``'x86_64'``, ``'ppc'``, ...]
+
+.. attribute:: version
+
+   Operating system version string. For windows, the service pack information is also included
+
+.. attribute:: info
+
+   Returns information identifying the current system.
+
+   * :attr:`bits`
+   * :attr:`os`
+   * :attr:`processor`
+   * :attr:`version`
+
+"""
+
+from . import mozinfo
+from .mozinfo import *
+
+__all__ = mozinfo.__all__
diff --git a/testing/mozbase/mozinfo/mozinfo/mozinfo.py b/testing/mozbase/mozinfo/mozinfo/mozinfo.py
new file mode 100755
index 0000000000..e1fffbb5fc
--- /dev/null
+++ b/testing/mozbase/mozinfo/mozinfo/mozinfo.py
@@ -0,0 +1,397 @@
+#!/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/.
+
+# TODO: it might be a good idea of adding a system name (e.g. 'Ubuntu' for
+# linux) to the information; I certainly wouldn't want anyone parsing this
+# information and having behaviour depend on it
+
+import os
+import platform
+import re
+import sys
+from ctypes.util import find_library
+
+from .string_version import StringVersion
+
+# keep a copy of the os module since updating globals overrides this
+_os = os
+
+
+class unknown(object):
+    """marker class for unknown information"""
+
+    # pylint: disable=W1629
+    def __nonzero__(self):
+        return False
+
+    def __bool__(self):
+        return False
+
+    def __str__(self):
+        return "UNKNOWN"
+
+
+unknown = unknown()  # singleton
+
+
+def get_windows_version():
+    import ctypes
+
+    class OSVERSIONINFOEXW(ctypes.Structure):
+        _fields_ = [
+            ("dwOSVersionInfoSize", ctypes.c_ulong),
+            ("dwMajorVersion", ctypes.c_ulong),
+            ("dwMinorVersion", ctypes.c_ulong),
+            ("dwBuildNumber", ctypes.c_ulong),
+            ("dwPlatformId", ctypes.c_ulong),
+            ("szCSDVersion", ctypes.c_wchar * 128),
+            ("wServicePackMajor", ctypes.c_ushort),
+            ("wServicePackMinor", ctypes.c_ushort),
+            ("wSuiteMask", ctypes.c_ushort),
+            ("wProductType", ctypes.c_byte),
+            ("wReserved", ctypes.c_byte),
+        ]
+
+    os_version = OSVERSIONINFOEXW()
+    os_version.dwOSVersionInfoSize = ctypes.sizeof(os_version)
+    retcode = ctypes.windll.Ntdll.RtlGetVersion(ctypes.byref(os_version))
+    if retcode != 0:
+        raise OSError
+
+    return (
+        os_version.dwMajorVersion,
+        os_version.dwMinorVersion,
+        os_version.dwBuildNumber,
+    )
+
+
+# get system information
+info = {
+    "os": unknown,
+    "processor": unknown,
+    "version": unknown,
+    "os_version": unknown,
+    "bits": unknown,
+    "has_sandbox": unknown,
+    "display": None,
+    "automation": bool(os.environ.get("MOZ_AUTOMATION", False)),
+}
+(system, node, release, version, machine, processor) = platform.uname()
+(bits, linkage) = platform.architecture()
+
+# get os information and related data
+if system in ["Microsoft", "Windows"]:
+    info["os"] = "win"
+    # There is a Python bug on Windows to determine platform values
+    # http://bugs.python.org/issue7860
+    if "PROCESSOR_ARCHITEW6432" in os.environ:
+        processor = os.environ.get("PROCESSOR_ARCHITEW6432", processor)
+    else:
+        processor = os.environ.get("PROCESSOR_ARCHITECTURE", processor)
+    system = os.environ.get("OS", system).replace("_", " ")
+    (major, minor, _, _, service_pack) = os.sys.getwindowsversion()
+    info["service_pack"] = service_pack
+    if major >= 6 and minor >= 2:
+        # On windows >= 8.1 the system call that getwindowsversion uses has
+        # been frozen to always return the same values. In this case we call
+        # the RtlGetVersion API directly, which still provides meaningful
+        # values, at least for now.
+        major, minor, build_number = get_windows_version()
+        version = "%d.%d.%d" % (major, minor, build_number)
+
+    os_version = "%d.%d" % (major, minor)
+elif system.startswith(("MINGW", "MSYS_NT")):
+    # windows/mingw python build (msys)
+    info["os"] = "win"
+    os_version = version = unknown
+elif system == "Linux":
+    # Attempt to use distro package to determine Linux distribution first.
+    # Failing that, fall back to use the platform method.
+    # Note that platform.linux_distribution() will be deprecated as of 3.8
+    # and this block will be removed once support for 2.7/3.5 is dropped.
+    try:
+        from distro import linux_distribution
+    except ImportError:
+        from platform import linux_distribution
+
+    output = linux_distribution()
+    (distribution, os_version, codename) = tuple(str(item.title()) for item in output)
+
+    if not processor:
+        processor = machine
+    if not distribution:
+        distribution = "lfs"
+    if not os_version:
+        os_version = release
+    if not codename:
+        codename = "unknown"
+    version = "%s %s" % (distribution, os_version)
+
+    if os.environ.get("WAYLAND_DISPLAY"):
+        info["display"] = "wayland"
+    elif os.environ.get("DISPLAY"):
+        info["display"] = "x11"
+
+    info["os"] = "linux"
+    info["linux_distro"] = distribution
+elif system in ["DragonFly", "FreeBSD", "NetBSD", "OpenBSD"]:
+    info["os"] = "bsd"
+    version = os_version = sys.platform
+elif system == "Darwin":
+    (release, versioninfo, machine) = platform.mac_ver()
+    version = "OS X %s" % release
+    versionNums = release.split(".")[:2]
+    os_version = "%s.%s" % (versionNums[0], versionNums[1])
+    info["os"] = "mac"
+elif sys.platform in ("solaris", "sunos5"):
+    info["os"] = "unix"
+    os_version = version = sys.platform
+else:
+    os_version = version = unknown
+
+info["apple_silicon"] = False
+if (
+    info["os"] == "mac"
+    and float(os_version) > 10.15
+    and processor == "arm"
+    and bits == "64bit"
+):
+    info["apple_silicon"] = True
+
+info["apple_catalina"] = False
+if info["os"] == "mac" and float(os_version) == 10.15:
+    info["apple_catalina"] = True
+
+info["win10_2004"] = False
+if info["os"] == "win" and version == "10.0.19041":
+    info["win10_2004"] = True
+
+info["win10_2009"] = False
+if info["os"] == "win" and version == "10.0.19045":
+    info["win10_2009"] = True
+
+info["win11_2009"] = False
+if info["os"] == "win" and version == "10.0.22621":
+    info["win11_2009"] = True
+
+info["version"] = version
+info["os_version"] = StringVersion(os_version)
+
+
+# processor type and bits
+if processor in ["i386", "i686"]:
+    if bits == "32bit":
+        processor = "x86"
+    elif bits == "64bit":
+        processor = "x86_64"
+elif processor.upper() == "AMD64":
+    bits = "64bit"
+    processor = "x86_64"
+elif processor.upper() == "ARM64":
+    bits = "64bit"
+    processor = "aarch64"
+elif processor == "Power Macintosh":
+    processor = "ppc"
+bits = re.search("(\d+)bit", bits).group(1)
+info.update(
+    {
+        "processor": processor,
+        "bits": int(bits),
+    }
+)
+
+if info["os"] == "linux":
+    import ctypes
+    import errno
+
+    PR_SET_SECCOMP = 22
+    SECCOMP_MODE_FILTER = 2
+    ctypes.CDLL(find_library("c"), use_errno=True).prctl(
+        PR_SET_SECCOMP, SECCOMP_MODE_FILTER, 0
+    )
+    info["has_sandbox"] = ctypes.get_errno() == errno.EFAULT
+else:
+    info["has_sandbox"] = True
+
+# standard value of choices, for easy inspection
+choices = {
+    "os": ["linux", "bsd", "win", "mac", "unix"],
+    "bits": [32, 64],
+    "processor": ["x86", "x86_64", "ppc"],
+}
+
+
+def sanitize(info):
+    """Do some sanitization of input values, primarily
+    to handle universal Mac builds."""
+    if "processor" in info and info["processor"] == "universal-x86-x86_64":
+        # If we're running on OS X 10.6 or newer, assume 64-bit
+        if release[:4] >= "10.6":  # Note this is a string comparison
+            info["processor"] = "x86_64"
+            info["bits"] = 64
+        else:
+            info["processor"] = "x86"
+            info["bits"] = 32
+
+
+# method for updating information
+
+
+def update(new_info):
+    """
+    Update the info.
+
+    :param new_info: Either a dict containing the new info or a path/url
+                     to a json file containing the new info.
+    """
+    from six import string_types
+
+    if isinstance(new_info, string_types):
+        # lazy import
+        import json
+
+        import mozfile
+
+        f = mozfile.load(new_info)
+        new_info = json.loads(f.read())
+        f.close()
+
+    info.update(new_info)
+    sanitize(info)
+    globals().update(info)
+
+    # convenience data for os access
+    for os_name in choices["os"]:
+        globals()["is" + os_name.title()] = info["os"] == os_name
+    # unix is special
+    if isLinux or isBsd:  # noqa
+        globals()["isUnix"] = True
+
+
+def find_and_update_from_json(*dirs, **kwargs):
+    """Find a mozinfo.json file, load it, and update global symbol table.
+
+    This method will first check the relevant objdir directory for the
+    necessary mozinfo.json file, if the current script is being run from a
+    Mozilla objdir.
+
+    If the objdir directory did not supply the necessary data, this method
+    will then look for the required mozinfo.json file from the provided
+    tuple of directories.
+
+    If file is found, the global symbols table is updated via a helper method.
+
+    If no valid files are found, this method no-ops unless the raise_exception
+    kwargs is provided with explicit boolean value of True.
+
+    :param tuple dirs: Directories in which to look for the file.
+    :param dict kwargs: optional values:
+                        raise_exception: if True, exceptions are raised.
+                        False by default.
+    :returns: None: default behavior if mozinfo.json cannot be found.
+              json_path: string representation of mozinfo.json path.
+    :raises: IOError: if raise_exception is True and file is not found.
+    """
+    # First, see if we're in an objdir
+    try:
+        from mozboot.mozconfig import MozconfigFindException
+        from mozbuild.base import BuildEnvironmentNotFoundException, MozbuildObject
+
+        build = MozbuildObject.from_environment()
+        json_path = _os.path.join(build.topobjdir, "mozinfo.json")
+        if _os.path.isfile(json_path):
+            update(json_path)
+            return json_path
+    except ImportError:
+        pass
+    except (BuildEnvironmentNotFoundException, MozconfigFindException):
+        pass
+
+    for d in dirs:
+        d = _os.path.abspath(d)
+        json_path = _os.path.join(d, "mozinfo.json")
+        if _os.path.isfile(json_path):
+            update(json_path)
+            return json_path
+
+    # by default, exceptions are suppressed. Set this to True if otherwise
+    # desired.
+    if kwargs.get("raise_exception", False):
+        raise IOError("mozinfo.json could not be found.")
+    return None
+
+
+def output_to_file(path):
+    import json
+
+    with open(path, "w") as f:
+        f.write(json.dumps(info))
+
+
+update({})
+
+# exports
+__all__ = list(info.keys())
+__all__ += ["is" + os_name.title() for os_name in choices["os"]]
+__all__ += [
+    "info",
+    "unknown",
+    "main",
+    "choices",
+    "update",
+    "find_and_update_from_json",
+    "output_to_file",
+    "StringVersion",
+]
+
+
+def main(args=None):
+
+    # parse the command line
+    from optparse import OptionParser
+
+    parser = OptionParser(description=__doc__)
+    for key in choices:
+        parser.add_option(
+            "--%s" % key,
+            dest=key,
+            action="store_true",
+            default=False,
+            help="display choices for %s" % key,
+        )
+    options, args = parser.parse_args()
+
+    # args are JSON blobs to override info
+    if args:
+        # lazy import
+        import json
+
+        for arg in args:
+            if _os.path.exists(arg):
+                string = open(arg).read()
+            else:
+                string = arg
+            update(json.loads(string))
+
+    # print out choices if requested
+    flag = False
+    for key, value in options.__dict__.items():
+        if value is True:
+            print(
+                "%s choices: %s"
+                % (key, " ".join([str(choice) for choice in choices[key]]))
+            )
+            flag = True
+    if flag:
+        return
+
+    # otherwise, print out all info
+    for key, value in info.items():
+        print("%s: %s" % (key, value))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/testing/mozbase/mozinfo/mozinfo/string_version.py b/testing/mozbase/mozinfo/mozinfo/string_version.py
new file mode 100644
index 0000000000..fc1c5b46c6
--- /dev/null
+++ b/testing/mozbase/mozinfo/mozinfo/string_version.py
@@ -0,0 +1,73 @@
+# 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 re
+
+import six
+
+
+class StringVersion(six.text_type):
+    """
+    A string version that can be compared with comparison operators.
+    """
+
+    # Pick out numeric and non-numeric parts (a match group for each type).
+    pat = re.compile(r"(\d+)|([^\d.]+)")
+
+    def __init__(self, vstring):
+        super(StringVersion, self).__init__()
+
+        # We'll use unicode internally.
+        # This check is mainly for python2 strings (which are bytes).
+        if isinstance(vstring, bytes):
+            vstring = vstring.decode("ascii")
+
+        self.vstring = vstring
+
+        # Store parts as strings to ease comparisons.
+        self.version = []
+        parts = self.pat.findall(vstring)
+        # Pad numeric parts with leading zeros for ordering.
+        for i, obj in enumerate(parts):
+            if obj[0]:
+                self.version.append(obj[0].zfill(8))
+            else:
+                self.version.append(obj[1])
+
+    def __str__(self):
+        return self.vstring
+
+    def __repr__(self):
+        return "StringVersion ('%s')" % str(self)
+
+    def _cmp(self, other):
+        if not isinstance(other, StringVersion):
+            other = StringVersion(other)
+
+        if self.version == other.version:
+            return 0
+        if self.version < other.version:
+            return -1
+        if self.version > other.version:
+            return 1
+
+    def __hash__(self):
+        # pylint --py3k: W1641
+        return hash(self.version)
+
+    # operator overloads
+    def __eq__(self, other):
+        return self._cmp(other) == 0
+
+    def __lt__(self, other):
+        return self._cmp(other) < 0
+
+    def __le__(self, other):
+        return self._cmp(other) <= 0
+
+    def __gt__(self, other):
+        return self._cmp(other) > 0
+
+    def __ge__(self, other):
+        return self._cmp(other) >= 0
diff --git a/testing/mozbase/mozinfo/setup.cfg b/testing/mozbase/mozinfo/setup.cfg
new file mode 100644
index 0000000000..3c6e79cf31
--- /dev/null
+++ b/testing/mozbase/mozinfo/setup.cfg
@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal=1
diff --git a/testing/mozbase/mozinfo/setup.py b/testing/mozbase/mozinfo/setup.py
new file mode 100644
index 0000000000..2b508dbd9f
--- /dev/null
+++ b/testing/mozbase/mozinfo/setup.py
@@ -0,0 +1,41 @@
+# 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_VERSION = "1.2.2"
+
+# dependencies
+deps = [
+    "distro >= 1.4.0",
+    "mozfile >= 0.12",
+]
+
+setup(
+    name="mozinfo",
+    version=PACKAGE_VERSION,
+    description="Library to get system information for use in Mozilla testing",
+    long_description="see https://firefox-source-docs.mozilla.org/mozbase/index.html",
+    classifiers=[
+        "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.5",
+        "Development Status :: 5 - Production/Stable",
+    ],
+    # Get strings from http://pypi.python.org/pypi?%3Aaction=list_classifiers
+    keywords="mozilla",
+    author="Mozilla Automation and Testing Team",
+    author_email="tools@lists.mozilla.org",
+    url="https://wiki.mozilla.org/Auto-tools/Projects/Mozbase",
+    license="MPL",
+    packages=["mozinfo"],
+    include_package_data=True,
+    zip_safe=False,
+    install_requires=deps,
+    entry_points="""
+      # -*- Entry points: -*-
+      [console_scripts]
+      mozinfo = mozinfo:main
+      """,
+)
diff --git a/testing/mozbase/mozinfo/tests/manifest.ini b/testing/mozbase/mozinfo/tests/manifest.ini
new file mode 100644
index 0000000000..72aff7539a
--- /dev/null
+++ b/testing/mozbase/mozinfo/tests/manifest.ini
@@ -0,0 +1,3 @@
+[DEFAULT]
+subsuite = mozbase
+[test.py]
diff --git a/testing/mozbase/mozinfo/tests/test.py b/testing/mozbase/mozinfo/tests/test.py
new file mode 100644
index 0000000000..14e516b7fc
--- /dev/null
+++ b/testing/mozbase/mozinfo/tests/test.py
@@ -0,0 +1,176 @@
+#!/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 json
+import os
+import sys
+from importlib import reload
+from unittest import mock
+
+import mozinfo
+import mozunit
+import pytest
+
+
+@pytest.fixture(autouse=True)
+def on_every_test():
+    # per-test set up
+    reload(mozinfo)
+
+    # When running from an objdir mozinfo will use a build generated json file
+    # instead of the ones created for testing. Prevent that from happening.
+    # See bug 896038 for details.
+    sys.modules["mozbuild"] = None
+
+    yield
+
+    # per-test tear down
+    del sys.modules["mozbuild"]
+
+
+def test_basic():
+    """Test that mozinfo has a few attributes."""
+    assert mozinfo.os is not None
+    # should have isFoo == True where os == "foo"
+    assert getattr(mozinfo, "is" + mozinfo.os[0].upper() + mozinfo.os[1:])
+
+
+def test_update():
+    """Test that mozinfo.update works."""
+    mozinfo.update({"foo": 123})
+    assert mozinfo.info["foo"] == 123
+
+
+def test_update_file(tmpdir):
+    """Test that mozinfo.update can load a JSON file."""
+    j = os.path.join(tmpdir, "mozinfo.json")
+    with open(j, "w") as f:
+        f.write(json.dumps({"foo": "xyz"}))
+    mozinfo.update(j)
+    assert mozinfo.info["foo"] == "xyz"
+
+
+def test_update_file_invalid_json(tmpdir):
+    """Test that mozinfo.update handles invalid JSON correctly"""
+    j = os.path.join(tmpdir, "test.json")
+    with open(j, "w") as f:
+        f.write('invalid{"json":')
+    with pytest.raises(ValueError):
+        mozinfo.update([j])
+
+
+def test_find_and_update_file(tmpdir):
+    """Test that mozinfo.find_and_update_from_json can
+    find mozinfo.json in a directory passed to it."""
+    j = os.path.join(tmpdir, "mozinfo.json")
+    with open(j, "w") as f:
+        f.write(json.dumps({"foo": "abcdefg"}))
+    assert mozinfo.find_and_update_from_json(tmpdir) == j
+    assert mozinfo.info["foo"] == "abcdefg"
+
+
+def test_find_and_update_file_no_argument():
+    """Test that mozinfo.find_and_update_from_json no-ops on not being
+    given any arguments.
+    """
+    assert mozinfo.find_and_update_from_json() is None
+
+
+def test_find_and_update_file_invalid_json(tmpdir):
+    """Test that mozinfo.find_and_update_from_json can
+    handle invalid JSON"""
+    j = os.path.join(tmpdir, "mozinfo.json")
+    with open(j, "w") as f:
+        f.write('invalid{"json":')
+    with pytest.raises(ValueError):
+        mozinfo.find_and_update_from_json(tmpdir)
+
+
+def test_find_and_update_file_raise_exception():
+    """Test that mozinfo.find_and_update_from_json raises
+    an IOError when exceptions are unsuppressed.
+    """
+    with pytest.raises(IOError):
+        mozinfo.find_and_update_from_json(raise_exception=True)
+
+
+def test_find_and_update_file_suppress_exception():
+    """Test that mozinfo.find_and_update_from_json suppresses
+    an IOError exception if a False boolean value is
+    provided as the only argument.
+    """
+    assert mozinfo.find_and_update_from_json(raise_exception=False) is None
+
+
+def test_find_and_update_file_mozbuild(tmpdir):
+    """Test that mozinfo.find_and_update_from_json can
+    find mozinfo.json using the mozbuild module."""
+    j = os.path.join(tmpdir, "mozinfo.json")
+    with open(j, "w") as f:
+        f.write(json.dumps({"foo": "123456"}))
+    m = mock.MagicMock()
+    # Mock the value of MozbuildObject.from_environment().topobjdir.
+    m.MozbuildObject.from_environment.return_value.topobjdir = tmpdir
+
+    mocked_modules = {
+        "mozbuild": m,
+        "mozbuild.base": m,
+        "mozbuild.mozconfig": m,
+    }
+    with mock.patch.dict(sys.modules, mocked_modules):
+        assert mozinfo.find_and_update_from_json() == j
+    assert mozinfo.info["foo"] == "123456"
+
+
+def test_output_to_file(tmpdir):
+    """Test that mozinfo.output_to_file works."""
+    path = os.path.join(tmpdir, "mozinfo.json")
+    mozinfo.output_to_file(path)
+    assert open(path).read() == json.dumps(mozinfo.info)
+
+
+def test_os_version_is_a_StringVersion():
+    assert isinstance(mozinfo.os_version, mozinfo.StringVersion)
+
+
+def test_compare_to_string():
+    version = mozinfo.StringVersion("10.10")
+
+    assert version > "10.2"
+    assert "11" > version
+    assert version >= "10.10"
+    assert "10.11" >= version
+    assert version == "10.10"
+    assert "10.10" == version
+    assert version != "10.2"
+    assert "11" != version
+    assert version < "11.8.5"
+    assert "10.2" < version
+    assert version <= "11"
+    assert "10.10" <= version
+
+    # Can have non-numeric versions (Bug 1654915)
+    assert version != mozinfo.StringVersion("Testing")
+    assert mozinfo.StringVersion("Testing") != version
+    assert mozinfo.StringVersion("") == ""
+    assert "" == mozinfo.StringVersion("")
+
+    a = mozinfo.StringVersion("1.2.5a")
+    b = mozinfo.StringVersion("1.2.5b")
+    assert a < b
+    assert b > a
+
+    # Make sure we can compare against unicode (for python 2).
+    assert a == u"1.2.5a"
+    assert u"1.2.5a" == a
+
+
+def test_to_string():
+    assert "10.10" == str(mozinfo.StringVersion("10.10"))
+
+
+if __name__ == "__main__":
+    mozunit.main()