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# 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 argparse
import logging
import os
import subprocess
import sys

import requests
from mach.decorators import Command, CommandArgument, SettingsProvider, SubCommand
from mozbuild.base import BuildEnvironmentNotFoundException
from mozbuild.base import MachCommandConditions as conditions

UNKNOWN_TEST = """
I was unable to find tests from the given argument(s).

You should specify a test directory, filename, test suite name, or
abbreviation.

It's possible my little brain doesn't know about the type of test you are
trying to execute. If you suspect this, please request support by filing
a bug at
https://bugzilla.mozilla.org/enter_bug.cgi?product=Testing&component=General.
""".strip()

UNKNOWN_FLAVOR = """
I know you are trying to run a %s%s test. Unfortunately, I can't run those
tests yet. Sorry!
""".strip()

TEST_HELP = """
Test or tests to run. Tests can be specified by filename, directory, suite
name or suite alias.

The following test suites and aliases are supported: {}
""".strip()


@SettingsProvider
class TestConfig(object):
    @classmethod
    def config_settings(cls):
        from mozlog.commandline import log_formatters
        from mozlog.structuredlog import log_levels

        format_desc = "The default format to use when running tests with `mach test`."
        format_choices = list(log_formatters)
        level_desc = "The default log level to use when running tests with `mach test`."
        level_choices = [l.lower() for l in log_levels]
        return [
            ("test.format", "string", format_desc, "mach", {"choices": format_choices}),
            ("test.level", "string", level_desc, "info", {"choices": level_choices}),
        ]


def get_test_parser():
    from mozlog.commandline import add_logging_group
    from moztest.resolve import TEST_SUITES

    parser = argparse.ArgumentParser()
    parser.add_argument(
        "what",
        default=None,
        nargs="+",
        help=TEST_HELP.format(", ".join(sorted(TEST_SUITES))),
    )
    parser.add_argument(
        "extra_args",
        default=None,
        nargs=argparse.REMAINDER,
        help="Extra arguments to pass to the underlying test command(s). "
        "If an underlying command doesn't recognize the argument, it "
        "will fail.",
    )
    parser.add_argument(
        "--debugger",
        default=None,
        action="store",
        nargs="?",
        help="Specify a debugger to use.",
    )
    add_logging_group(parser)
    return parser


ADD_TEST_SUPPORTED_SUITES = [
    "mochitest-chrome",
    "mochitest-plain",
    "mochitest-browser-chrome",
    "web-platform-tests-testharness",
    "web-platform-tests-reftest",
    "xpcshell",
]
ADD_TEST_SUPPORTED_DOCS = ["js", "html", "xhtml", "xul"]

SUITE_SYNONYMS = {
    "wpt": "web-platform-tests-testharness",
    "wpt-testharness": "web-platform-tests-testharness",
    "wpt-reftest": "web-platform-tests-reftest",
}

MISSING_ARG = object()


def create_parser_addtest():
    import addtest

    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--suite",
        choices=sorted(ADD_TEST_SUPPORTED_SUITES + list(SUITE_SYNONYMS.keys())),
        help="suite for the test. "
        "If you pass a `test` argument this will be determined "
        "based on the filename and the folder it is in",
    )
    parser.add_argument(
        "-o",
        "--overwrite",
        action="store_true",
        help="Overwrite an existing file if it exists.",
    )
    parser.add_argument(
        "--doc",
        choices=ADD_TEST_SUPPORTED_DOCS,
        help="Document type for the test (if applicable)."
        "If you pass a `test` argument this will be determined "
        "based on the filename.",
    )
    parser.add_argument(
        "-e",
        "--editor",
        action="store",
        nargs="?",
        default=MISSING_ARG,
        help="Open the created file(s) in an editor; if a "
        "binary is supplied it will be used otherwise the default editor for "
        "your environment will be opened",
    )

    for base_suite in addtest.TEST_CREATORS:
        cls = addtest.TEST_CREATORS[base_suite]
        if hasattr(cls, "get_parser"):
            group = parser.add_argument_group(base_suite)
            cls.get_parser(group)

    parser.add_argument("test", nargs="?", help=("Test to create."))
    return parser


@Command(
    "addtest",
    category="testing",
    description="Generate tests based on templates",
    parser=create_parser_addtest,
)
def addtest(
    command_context,
    suite=None,
    test=None,
    doc=None,
    overwrite=False,
    editor=MISSING_ARG,
    **kwargs,
):
    import io

    import addtest
    from moztest.resolve import TEST_SUITES

    if not suite and not test:
        return create_parser_addtest().parse_args(["--help"])

    if suite in SUITE_SYNONYMS:
        suite = SUITE_SYNONYMS[suite]

    if test:
        if not overwrite and os.path.isfile(os.path.abspath(test)):
            print("Error: can't generate a test that already exists:", test)
            return 1

        abs_test = os.path.abspath(test)
        if doc is None:
            doc = guess_doc(abs_test)
        if suite is None:
            guessed_suite, err = guess_suite(abs_test)
            if err:
                print(err)
                return 1
            suite = guessed_suite

    else:
        test = None
        if doc is None:
            doc = "html"

    if not suite:
        print(
            "We couldn't automatically determine a suite. "
            "Please specify `--suite` with one of the following options:\n{}\n"
            "If you'd like to add support to a new suite, please file a bug "
            "blocking https://bugzilla.mozilla.org/show_bug.cgi?id=1540285.".format(
                ADD_TEST_SUPPORTED_SUITES
            )
        )
        return 1

    if doc not in ADD_TEST_SUPPORTED_DOCS:
        print(
            "Error: invalid `doc`. Either pass in a test with a valid extension"
            "({}) or pass in the `doc` argument".format(ADD_TEST_SUPPORTED_DOCS)
        )
        return 1

    creator_cls = addtest.creator_for_suite(suite)

    if creator_cls is None:
        print("Sorry, `addtest` doesn't currently know how to add {}".format(suite))
        return 1

    creator = creator_cls(command_context.topsrcdir, test, suite, doc, **kwargs)

    creator.check_args()

    paths = []
    added_tests = False
    for path, template in creator:
        if not template:
            continue
        added_tests = True
        if path:
            paths.append(path)
            print("Adding a test file at {} (suite `{}`)".format(path, suite))

            try:
                os.makedirs(os.path.dirname(path))
            except OSError:
                pass

            with io.open(path, "w", newline="\n") as f:
                f.write(template)
        else:
            # write to stdout if you passed only suite and doc and not a file path
            print(template)

    if not added_tests:
        return 1

    if test:
        creator.update_manifest()

        # Small hack, should really do this better
        if suite.startswith("wpt-"):
            suite = "web-platform-tests"

        mach_command = TEST_SUITES[suite]["mach_command"]
        print(
            "Please make sure to add the new test to your commit. "
            "You can now run the test with:\n    ./mach {} {}".format(
                mach_command, test
            )
        )

    if editor is not MISSING_ARG:
        if editor is not None:
            editor = editor
        elif "VISUAL" in os.environ:
            editor = os.environ["VISUAL"]
        elif "EDITOR" in os.environ:
            editor = os.environ["EDITOR"]
        else:
            print("Unable to determine editor; please specify a binary")
            editor = None

        proc = None
        if editor:
            import subprocess

            proc = subprocess.Popen("%s %s" % (editor, " ".join(paths)), shell=True)

        if proc:
            proc.wait()

    return 0


def guess_doc(abs_test):
    filename = os.path.basename(abs_test)
    return os.path.splitext(filename)[1].strip(".")


def guess_suite(abs_test):
    # If you pass a abs_test, try to detect the type based on the name
    # and folder. This detection can be skipped if you pass the `type` arg.
    err = None
    guessed_suite = None
    parent = os.path.dirname(abs_test)
    filename = os.path.basename(abs_test)

    has_browser_ini = os.path.isfile(os.path.join(parent, "browser.ini"))
    has_chrome_ini = os.path.isfile(os.path.join(parent, "chrome.ini"))
    has_plain_ini = os.path.isfile(os.path.join(parent, "mochitest.ini"))
    has_xpcshell_ini = os.path.isfile(os.path.join(parent, "xpcshell.ini"))

    in_wpt_folder = abs_test.startswith(
        os.path.abspath(os.path.join("testing", "web-platform"))
    )

    if in_wpt_folder:
        guessed_suite = "web-platform-tests-testharness"
        if "/css/" in abs_test:
            guessed_suite = "web-platform-tests-reftest"
    elif (
        filename.startswith("test_")
        and has_xpcshell_ini
        and guess_doc(abs_test) == "js"
    ):
        guessed_suite = "xpcshell"
    else:
        if filename.startswith("browser_") and has_browser_ini:
            guessed_suite = "mochitest-browser-chrome"
        elif filename.startswith("test_"):
            if has_chrome_ini and has_plain_ini:
                err = (
                    "Error: directory contains both a chrome.ini and mochitest.ini. "
                    "Please set --suite=mochitest-chrome or --suite=mochitest-plain."
                )
            elif has_chrome_ini:
                guessed_suite = "mochitest-chrome"
            elif has_plain_ini:
                guessed_suite = "mochitest-plain"
    return guessed_suite, err


@Command(
    "test",
    category="testing",
    description="Run tests (detects the kind of test and runs it).",
    parser=get_test_parser,
)
def test(command_context, what, extra_args, **log_args):
    """Run tests from names or paths.

    mach test accepts arguments specifying which tests to run. Each argument
    can be:

    * The path to a test file
    * A directory containing tests
    * A test suite name
    * An alias to a test suite name (codes used on TreeHerder)

    When paths or directories are given, they are first resolved to test
    files known to the build system.

    If resolved tests belong to more than one test type/flavor/harness,
    the harness for each relevant type/flavor will be invoked. e.g. if
    you specify a directory with xpcshell and browser chrome mochitests,
    both harnesses will be invoked.

    Warning: `mach test` does not automatically re-build.
    Please remember to run `mach build` when necessary.

    EXAMPLES

    Run all test files in the devtools/client/shared/redux/middleware/xpcshell/
    directory:

    `./mach test devtools/client/shared/redux/middleware/xpcshell/`

    The below command prints a short summary of results instead of
    the default more verbose output.
    Do not forget the - (minus sign) after --log-grouped!

    `./mach test --log-grouped - devtools/client/shared/redux/middleware/xpcshell/`

    To learn more about arguments for each test type/flavor/harness, please run
    `./mach <test-harness> --help`. For example, `./mach mochitest --help`.
    """
    from mozlog.commandline import setup_logging
    from mozlog.handlers import StreamHandler
    from moztest.resolve import TEST_SUITES, TestResolver, get_suite_definition

    resolver = command_context._spawn(TestResolver)
    run_suites, run_tests = resolver.resolve_metadata(what)

    if not run_suites and not run_tests:
        print(UNKNOWN_TEST)
        return 1

    if log_args.get("debugger", None):
        import mozdebug

        if not mozdebug.get_debugger_info(log_args.get("debugger")):
            sys.exit(1)
        extra_args_debugger_notation = "=".join(
            ["--debugger", log_args.get("debugger")]
        )
        if extra_args:
            extra_args.append(extra_args_debugger_notation)
        else:
            extra_args = [extra_args_debugger_notation]

    # Create shared logger
    format_args = {"level": command_context._mach_context.settings["test"]["level"]}
    if not run_suites and len(run_tests) == 1:
        format_args["verbose"] = True
        format_args["compact"] = False

    default_format = command_context._mach_context.settings["test"]["format"]
    log = setup_logging(
        "mach-test", log_args, {default_format: sys.stdout}, format_args
    )
    for handler in log.handlers:
        if isinstance(handler, StreamHandler):
            handler.formatter.inner.summary_on_shutdown = True

    status = None
    for suite_name in run_suites:
        suite = TEST_SUITES[suite_name]
        kwargs = suite["kwargs"]
        kwargs["log"] = log
        kwargs.setdefault("subsuite", None)

        if "mach_command" in suite:
            res = command_context._mach_context.commands.dispatch(
                suite["mach_command"],
                command_context._mach_context,
                argv=extra_args,
                **kwargs,
            )
            if res:
                status = res

    buckets = {}
    for test in run_tests:
        key = (test["flavor"], test.get("subsuite", ""))
        buckets.setdefault(key, []).append(test)

    for (flavor, subsuite), tests in sorted(buckets.items()):
        _, m = get_suite_definition(flavor, subsuite)
        if "mach_command" not in m:
            substr = "-{}".format(subsuite) if subsuite else ""
            print(UNKNOWN_FLAVOR % (flavor, substr))
            status = 1
            continue

        kwargs = dict(m["kwargs"])
        kwargs["log"] = log
        kwargs.setdefault("subsuite", None)

        res = command_context._mach_context.commands.dispatch(
            m["mach_command"],
            command_context._mach_context,
            argv=extra_args,
            test_objects=tests,
            **kwargs,
        )
        if res:
            status = res

    log.shutdown()
    return status


@Command(
    "cppunittest", category="testing", description="Run cpp unit tests (C++ tests)."
)
@CommandArgument(
    "test_files",
    nargs="*",
    metavar="N",
    help="Test to run. Can be specified as one or more files or "
    "directories, or omitted. If omitted, the entire test suite is "
    "executed.",
)
def run_cppunit_test(command_context, **params):
    from mozlog import commandline

    log = params.get("log")
    if not log:
        log = commandline.setup_logging("cppunittest", {}, {"tbpl": sys.stdout})

    # See if we have crash symbols
    symbols_path = os.path.join(command_context.distdir, "crashreporter-symbols")
    if not os.path.isdir(symbols_path):
        symbols_path = None

    # If no tests specified, run all tests in main manifest
    tests = params["test_files"]
    if not tests:
        tests = [os.path.join(command_context.distdir, "cppunittests")]
        manifest_path = os.path.join(
            command_context.topsrcdir, "testing", "cppunittest.ini"
        )
    else:
        manifest_path = None

    utility_path = command_context.bindir

    if conditions.is_android(command_context):
        from mozrunner.devices.android_device import (
            InstallIntent,
            verify_android_device,
        )

        verify_android_device(command_context, install=InstallIntent.NO)
        return run_android_test(tests, symbols_path, manifest_path, log)

    return run_desktop_test(
        command_context, tests, symbols_path, manifest_path, utility_path, log
    )


def run_desktop_test(
    command_context, tests, symbols_path, manifest_path, utility_path, log
):
    import runcppunittests as cppunittests
    from mozlog import commandline

    parser = cppunittests.CPPUnittestOptions()
    commandline.add_logging_group(parser)
    options, args = parser.parse_args()

    options.symbols_path = symbols_path
    options.manifest_path = manifest_path
    options.utility_path = utility_path
    options.xre_path = command_context.bindir

    try:
        result = cppunittests.run_test_harness(options, tests)
    except Exception as e:
        log.error("Caught exception running cpp unit tests: %s" % str(e))
        result = False
        raise

    return 0 if result else 1


def run_android_test(command_context, tests, symbols_path, manifest_path, log):
    import remotecppunittests
    from mozlog import commandline

    parser = remotecppunittests.RemoteCPPUnittestOptions()
    commandline.add_logging_group(parser)
    options, args = parser.parse_args()

    if not options.adb_path:
        from mozrunner.devices.android_device import get_adb_path

        options.adb_path = get_adb_path(command_context)
    options.symbols_path = symbols_path
    options.manifest_path = manifest_path
    options.xre_path = command_context.bindir
    options.local_lib = command_context.bindir.replace("bin", "fennec")
    for file in os.listdir(os.path.join(command_context.topobjdir, "dist")):
        if file.endswith(".apk") and file.startswith("fennec"):
            options.local_apk = os.path.join(command_context.topobjdir, "dist", file)
            log.info("using APK: " + options.local_apk)
            break

    try:
        result = remotecppunittests.run_test_harness(options, tests)
    except Exception as e:
        log.error("Caught exception running cpp unit tests: %s" % str(e))
        result = False
        raise

    return 0 if result else 1


def executable_name(name):
    return name + ".exe" if sys.platform.startswith("win") else name


@Command(
    "jstests",
    category="testing",
    description="Run SpiderMonkey JS tests in the JS shell.",
    ok_if_tests_disabled=True,
)
@CommandArgument("--shell", help="The shell to be used")
@CommandArgument(
    "params",
    nargs=argparse.REMAINDER,
    help="Extra arguments to pass down to the test harness.",
)
def run_jstests(command_context, shell, params):
    import subprocess

    command_context.virtualenv_manager.ensure()
    python = command_context.virtualenv_manager.python_path

    js = shell or os.path.join(command_context.bindir, executable_name("js"))
    jstest_cmd = [
        python,
        os.path.join(command_context.topsrcdir, "js", "src", "tests", "jstests.py"),
        js,
    ] + params

    return subprocess.call(jstest_cmd)


@Command(
    "jit-test",
    category="testing",
    description="Run SpiderMonkey jit-tests in the JS shell.",
    ok_if_tests_disabled=True,
)
@CommandArgument("--shell", help="The shell to be used")
@CommandArgument(
    "--cgc",
    action="store_true",
    default=False,
    help="Run with the SM(cgc) job's env vars",
)
@CommandArgument(
    "params",
    nargs=argparse.REMAINDER,
    help="Extra arguments to pass down to the test harness.",
)
def run_jittests(command_context, shell, cgc, params):
    import subprocess

    command_context.virtualenv_manager.ensure()
    python = command_context.virtualenv_manager.python_path

    js = shell or os.path.join(command_context.bindir, executable_name("js"))
    jittest_cmd = [
        python,
        os.path.join(command_context.topsrcdir, "js", "src", "jit-test", "jit_test.py"),
        js,
    ] + params

    env = os.environ.copy()
    if cgc:
        env["JS_GC_ZEAL"] = "IncrementalMultipleSlices"

    return subprocess.call(jittest_cmd, env=env)


@Command("jsapi-tests", category="testing", description="Run SpiderMonkey JSAPI tests.")
@CommandArgument(
    "--list",
    action="store_true",
    default=False,
    help="List all tests",
)
@CommandArgument(
    "--frontend-only",
    action="store_true",
    default=False,
    help="Run tests for frontend-only APIs, with light-weight entry point",
)
@CommandArgument(
    "test_name",
    nargs="?",
    metavar="N",
    help="Test to run. Can be a prefix or omitted. If "
    "omitted, the entire test suite is executed.",
)
def run_jsapitests(command_context, list=False, frontend_only=False, test_name=None):
    import subprocess

    jsapi_tests_cmd = [
        os.path.join(command_context.bindir, executable_name("jsapi-tests"))
    ]
    if list:
        jsapi_tests_cmd.append("--list")
    if frontend_only:
        jsapi_tests_cmd.append("--frontend-only")
    if test_name:
        jsapi_tests_cmd.append(test_name)

    test_env = os.environ.copy()
    test_env["TOPSRCDIR"] = command_context.topsrcdir

    result = subprocess.call(jsapi_tests_cmd, env=test_env)
    if result != 0:
        print(f"jsapi-tests failed, exit code {result}")
    return result


def run_check_js_msg(command_context):
    import subprocess

    command_context.virtualenv_manager.ensure()
    python = command_context.virtualenv_manager.python_path

    check_cmd = [
        python,
        os.path.join(command_context.topsrcdir, "config", "check_js_msg_encoding.py"),
    ]

    return subprocess.call(check_cmd)


def get_jsshell_parser():
    from jsshell.benchmark import get_parser

    return get_parser()


@Command(
    "jsshell-bench",
    category="testing",
    parser=get_jsshell_parser,
    description="Run benchmarks in the SpiderMonkey JS shell.",
)
def run_jsshelltests(command_context, **kwargs):
    from jsshell import benchmark

    return benchmark.run(**kwargs)


@Command(
    "cramtest",
    category="testing",
    description="Mercurial style .t tests for command line applications.",
)
@CommandArgument(
    "test_paths",
    nargs="*",
    metavar="N",
    help="Test paths to run. Each path can be a test file or directory. "
    "If omitted, the entire suite will be run.",
)
@CommandArgument(
    "cram_args",
    nargs=argparse.REMAINDER,
    help="Extra arguments to pass down to the cram binary. See "
    "'./mach python -m cram -- -h' for a list of available options.",
)
def cramtest(command_context, cram_args=None, test_paths=None, test_objects=None):
    command_context.activate_virtualenv()
    import mozinfo
    from manifestparser import TestManifest

    if test_objects is None:
        from moztest.resolve import TestResolver

        resolver = command_context._spawn(TestResolver)
        if test_paths:
            # If we were given test paths, try to find tests matching them.
            test_objects = resolver.resolve_tests(paths=test_paths, flavor="cram")
        else:
            # Otherwise just run everything in CRAMTEST_MANIFESTS
            test_objects = resolver.resolve_tests(flavor="cram")

    if not test_objects:
        message = "No tests were collected, check spelling of the test paths."
        command_context.log(logging.WARN, "cramtest", {}, message)
        return 1

    mp = TestManifest()
    mp.tests.extend(test_objects)
    tests = mp.active_tests(disabled=False, **mozinfo.info)

    python = command_context.virtualenv_manager.python_path
    cmd = [python, "-m", "cram"] + cram_args + [t["relpath"] for t in tests]
    return subprocess.call(cmd, cwd=command_context.topsrcdir)


from datetime import date, timedelta


@Command(
    "test-info", category="testing", description="Display historical test results."
)
def test_info(command_context):
    """
    All functions implemented as subcommands.
    """


@SubCommand(
    "test-info",
    "tests",
    description="Display historical test result summary for named tests.",
)
@CommandArgument("test_names", nargs=argparse.REMAINDER, help="Test(s) of interest.")
@CommandArgument(
    "--start",
    default=(date.today() - timedelta(7)).strftime("%Y-%m-%d"),
    help="Start date (YYYY-MM-DD)",
)
@CommandArgument(
    "--end", default=date.today().strftime("%Y-%m-%d"), help="End date (YYYY-MM-DD)"
)
@CommandArgument(
    "--show-info",
    action="store_true",
    help="Retrieve and display general test information.",
)
@CommandArgument(
    "--show-bugs",
    action="store_true",
    help="Retrieve and display related Bugzilla bugs.",
)
@CommandArgument("--verbose", action="store_true", help="Enable debug logging.")
def test_info_tests(
    command_context,
    test_names,
    start,
    end,
    show_info,
    show_bugs,
    verbose,
):
    import testinfo

    ti = testinfo.TestInfoTests(verbose)
    ti.report(
        test_names,
        start,
        end,
        show_info,
        show_bugs,
    )


@SubCommand(
    "test-info",
    "report",
    description="Generate a json report of test manifests and/or tests "
    "categorized by Bugzilla component and optionally filtered "
    "by path, component, and/or manifest annotations.",
)
@CommandArgument(
    "--components",
    default=None,
    help="Comma-separated list of Bugzilla components."
    " eg. Testing::General,Core::WebVR",
)
@CommandArgument(
    "--flavor",
    help='Limit results to tests of the specified flavor (eg. "xpcshell").',
)
@CommandArgument(
    "--subsuite",
    help='Limit results to tests of the specified subsuite (eg. "devtools").',
)
@CommandArgument(
    "paths", nargs=argparse.REMAINDER, help="File system paths of interest."
)
@CommandArgument(
    "--show-manifests",
    action="store_true",
    help="Include test manifests in report.",
)
@CommandArgument(
    "--show-tests", action="store_true", help="Include individual tests in report."
)
@CommandArgument(
    "--show-summary", action="store_true", help="Include summary in report."
)
@CommandArgument(
    "--show-annotations",
    action="store_true",
    help="Include list of manifest annotation conditions in report.",
)
@CommandArgument(
    "--show-testruns",
    action="store_true",
    help="Include total number of runs the test has if there are failures.",
)
@CommandArgument(
    "--filter-values",
    help="Comma-separated list of value regular expressions to filter on; "
    "displayed tests contain all specified values.",
)
@CommandArgument(
    "--filter-keys",
    help="Comma-separated list of test keys to filter on, "
    'like "skip-if"; only these fields will be searched '
    "for filter-values.",
)
@CommandArgument(
    "--no-component-report",
    action="store_false",
    dest="show_components",
    default=True,
    help="Do not categorize by bugzilla component.",
)
@CommandArgument("--output-file", help="Path to report file.")
@CommandArgument("--verbose", action="store_true", help="Enable debug logging.")
@CommandArgument(
    "--start",
    default=(date.today() - timedelta(30)).strftime("%Y-%m-%d"),
    help="Start date (YYYY-MM-DD)",
)
@CommandArgument(
    "--end", default=date.today().strftime("%Y-%m-%d"), help="End date (YYYY-MM-DD)"
)
def test_report(
    command_context,
    components,
    flavor,
    subsuite,
    paths,
    show_manifests,
    show_tests,
    show_summary,
    show_annotations,
    filter_values,
    filter_keys,
    show_components,
    output_file,
    verbose,
    start,
    end,
    show_testruns,
):
    import testinfo
    from mozbuild import build_commands

    try:
        command_context.config_environment
    except BuildEnvironmentNotFoundException:
        print("Looks like configure has not run yet, running it now...")
        build_commands.configure(command_context)

    ti = testinfo.TestInfoReport(verbose)
    ti.report(
        components,
        flavor,
        subsuite,
        paths,
        show_manifests,
        show_tests,
        show_summary,
        show_annotations,
        filter_values,
        filter_keys,
        show_components,
        output_file,
        start,
        end,
        show_testruns,
    )


@SubCommand(
    "test-info",
    "report-diff",
    description='Compare two reports generated by "test-info reports".',
)
@CommandArgument(
    "--before",
    default=None,
    help="The first (earlier) report file; path to local file or url.",
)
@CommandArgument(
    "--after", help="The second (later) report file; path to local file or url."
)
@CommandArgument(
    "--output-file",
    help="Path to report file to be written. If not specified, report"
    "will be written to standard output.",
)
@CommandArgument("--verbose", action="store_true", help="Enable debug logging.")
def test_report_diff(command_context, before, after, output_file, verbose):
    import testinfo

    ti = testinfo.TestInfoReport(verbose)
    ti.report_diff(before, after, output_file)


@SubCommand(
    "test-info",
    "testrun-report",
    description="Generate report of number of runs for each test group (manifest)",
)
@CommandArgument("--output-file", help="Path to report file.")
def test_info_testrun_report(command_context, output_file):
    import json

    import testinfo

    ti = testinfo.TestInfoReport(verbose=True)
    if os.environ.get("GECKO_HEAD_REPOSITORY", "") in [
        "https://hg.mozilla.org/mozilla-central",
        "https://hg.mozilla.org/try",
    ]:
        runcounts = ti.get_runcounts()
        if output_file:
            output_file = os.path.abspath(output_file)
            output_dir = os.path.dirname(output_file)
            if not os.path.isdir(output_dir):
                os.makedirs(output_dir)
            with open(output_file, "w") as f:
                json.dump(runcounts, f)
        else:
            print(runcounts)


@SubCommand(
    "test-info",
    "failure-report",
    description="Display failure line groupings and frequencies for "
    "single tracking intermittent bugs.",
)
@CommandArgument(
    "--start",
    default=(date.today() - timedelta(30)).strftime("%Y-%m-%d"),
    help="Start date (YYYY-MM-DD)",
)
@CommandArgument(
    "--end", default=date.today().strftime("%Y-%m-%d"), help="End date (YYYY-MM-DD)"
)
@CommandArgument(
    "--bugid",
    default=None,
    help="bugid for treeherder intermittent failures data query.",
)
def test_info_failures(
    command_context,
    start,
    end,
    bugid,
):
    # bugid comes in as a string, we need an int:
    try:
        bugid = int(bugid)
    except ValueError:
        bugid = None
    if not bugid:
        print("Please enter a valid bugid (i.e. '1760132')")
        return

    # get bug info
    url = (
        "https://bugzilla.mozilla.org/rest/bug?include_fields=summary,depends_on&id=%s"
        % bugid
    )
    r = requests.get(url, headers={"User-agent": "mach-test-info/1.0"})
    if r.status_code != 200:
        print("%s error retrieving url: %s" % (r.status_code, url))

    data = r.json()
    if not data:
        print("unable to get bugzilla information for %s" % bugid)
        return

    summary = data["bugs"][0]["summary"]
    parts = summary.split("|")
    if not summary.endswith("single tracking bug") or len(parts) != 2:
        print("this query only works with single tracking bugs")
        return

    # get depends_on bugs:
    buglist = [bugid]
    if "depends_on" in data["bugs"][0]:
        buglist.extend(data["bugs"][0]["depends_on"])

    testname = parts[0].strip().split(" ")[-1]

    # now query treeherder to get details about annotations
    data = []
    for b in buglist:
        url = "https://treeherder.mozilla.org/api/failuresbybug/"
        url += "?startday=%s&endday=%s&tree=trunk&bug=%s" % (start, end, b)
        r = requests.get(url, headers={"User-agent": "mach-test-info/1.0"})
        r.raise_for_status()

        bdata = r.json()
        data.extend(bdata)

    if len(data) == 0:
        print("no failures were found for given bugid, please ensure bug is")
        print("accessible via: https://treeherder.mozilla.org/intermittent-failures")
        return

    # query VCS to get current list of variants:
    import yaml

    url = "https://hg.mozilla.org/mozilla-central/raw-file/tip/taskcluster/ci/test/variants.yml"
    r = requests.get(url, headers={"User-agent": "mach-test-info/1.0"})
    variants = yaml.safe_load(r.text)

    print(
        "\nQuerying data for bug %s annotated from %s to %s on trunk.\n\n"
        % (buglist, start, end)
    )
    jobs = {}
    lines = {}
    for failure in data:
        # config = platform/buildtype
        # testsuite (<suite>[-variant][-<chunk>])
        # lines - group by patterns that contain test name
        config = "%s/%s" % (failure["platform"], failure["build_type"])

        variant = ""
        suite = ""
        varpos = len(failure["test_suite"])
        for v in variants.keys():
            var = "-%s" % variants[v]["suffix"]
            if var in failure["test_suite"]:
                if failure["test_suite"].find(var) < varpos:
                    variant = var

        if variant:
            suite = failure["test_suite"].split(variant)[0]

        parts = failure["test_suite"].split("-")
        try:
            int(parts[-1])
            suite = "-".join(parts[:-1])
        except ValueError:
            pass  # if this works, then the last '-X' is a number :)

        if suite == "":
            print("Error: failure to find variant in %s" % failure["test_suite"])

        job = "%s-%s%s" % (config, suite, variant)
        if job not in jobs.keys():
            jobs[job] = 0
        jobs[job] += 1

        # lines - sum(hash) of all lines where we match testname
        hvalue = 0
        for line in failure["lines"]:
            if len(line.split(testname)) <= 1:
                continue
            # strip off timestamp and mozharness status
            parts = line.split("TEST-UNEXPECTED")
            l = "TEST-UNEXPECTED%s" % parts[-1]

            # only keep 25 characters of the failure, often longer is random numbers
            parts = l.split(testname)
            l = "%s%s%s" % (parts[0], testname, parts[1][:25])

            hvalue += hash(l)

        if not failure["lines"]:
            hvalue = 1

        if not hvalue:
            continue

        if hvalue not in lines.keys():
            lines[hvalue] = {"lines": failure["lines"], "config": []}
        lines[hvalue]["config"].append(job)

    for h in lines.keys():
        print("%s errors with:" % (len(lines[h]["config"])))
        for l in lines[h]["lines"]:
            print(l)
        else:
            print(
                "... no failure lines recorded in"
                " https://treeherder.mozilla.org/intermittent-failures ..."
            )

        for job in jobs:
            count = len([x for x in lines[h]["config"] if x == job])
            if count > 0:
                print("  %s: %s" % (job, count))
        print("")


@Command(
    "rusttests",
    category="testing",
    conditions=[conditions.is_non_artifact_build],
    description="Run rust unit tests (via cargo test).",
)
def run_rusttests(command_context, **kwargs):
    return command_context._mach_context.commands.dispatch(
        "build",
        command_context._mach_context,
        what=["pre-export", "export", "recurse_rusttests"],
    )


@Command(
    "fluent-migration-test",
    category="testing",
    description="Test Fluent migration recipes.",
)
@CommandArgument("test_paths", nargs="*", metavar="N", help="Recipe paths to test.")
def run_migration_tests(command_context, test_paths=None, **kwargs):
    if not test_paths:
        test_paths = []
    command_context.activate_virtualenv()
    from test_fluent_migrations import fmt

    rv = 0
    with_context = []
    for to_test in test_paths:
        try:
            context = fmt.inspect_migration(to_test)
            for issue in context["issues"]:
                command_context.log(
                    logging.ERROR,
                    "fluent-migration-test",
                    {
                        "error": issue["msg"],
                        "file": to_test,
                    },
                    "ERROR in {file}: {error}",
                )
            if context["issues"]:
                continue
            with_context.append(
                {
                    "to_test": to_test,
                    "references": context["references"],
                }
            )
        except Exception as e:
            command_context.log(
                logging.ERROR,
                "fluent-migration-test",
                {"error": str(e), "file": to_test},
                "ERROR in {file}: {error}",
            )
            rv |= 1
    obj_dir = fmt.prepare_object_dir(command_context)
    for context in with_context:
        rv |= fmt.test_migration(command_context, obj_dir, **context)
    return rv