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280 lines
10 KiB
Python
280 lines
10 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import unicode_literals
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import logging
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import mozpack.path
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import os
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import platform
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import sys
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from mozbuild.base import (
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MachCommandBase,
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MozbuildObject,
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)
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from mach.decorators import (
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CommandArgument,
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CommandProvider,
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Command,
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)
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from mach.logging import StructuredHumanFormatter
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class UnexpectedFilter(logging.Filter):
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def filter(self, record):
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msg = getattr(record, 'params', {}).get('msg', '')
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return 'TEST-UNEXPECTED-' in msg
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class MochitestRunner(MozbuildObject):
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"""Easily run mochitests.
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This currently contains just the basics for running mochitests. We may want
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to hook up result parsing, etc.
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"""
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def run_mochitest_test(self, suite=None, test_file=None, debugger=None,
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shuffle=False, keep_open=False, rerun_failures=False, no_autorun=False,
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repeat=0, slow=False):
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"""Runs a mochitest.
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test_file is a path to a test file. It can be a relative path from the
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top source directory, an absolute filename, or a directory containing
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test files.
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suite is the type of mochitest to run. It can be one of ('plain',
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'chrome', 'browser', 'metro', 'a11y').
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debugger is a program name or path to a binary (presumably a debugger)
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to run the test in. e.g. 'gdb'
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shuffle is whether test order should be shuffled (defaults to false).
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keep_open denotes whether to keep the browser open after tests
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complete.
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"""
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# TODO Bug 794506 remove once mach integrates with virtualenv.
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build_path = os.path.join(self.topobjdir, 'build')
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if build_path not in sys.path:
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sys.path.append(build_path)
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if rerun_failures and test_file:
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print('Cannot specify both --rerun-failures and a test path.')
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return 1
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# Need to call relpath before os.chdir() below.
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test_path = ''
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if test_file:
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test_path = self._wrap_path_argument(test_file).relpath()
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tests_dir = os.path.join(self.topobjdir, '_tests')
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mochitest_dir = os.path.join(tests_dir, 'testing', 'mochitest')
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failure_file_path = os.path.join(self.statedir, 'mochitest_failures.json')
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if rerun_failures and not os.path.exists(failure_file_path):
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print('No failure file present. Did you run mochitests before?')
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return 1
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from StringIO import StringIO
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from automation import Automation
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# runtests.py is ambiguous, so we load the file/module manually.
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if 'mochitest' not in sys.modules:
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import imp
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path = os.path.join(mochitest_dir, 'runtests.py')
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with open(path, 'r') as fh:
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imp.load_module('mochitest', fh, path,
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('.py', 'r', imp.PY_SOURCE))
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import mochitest
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# This is required to make other components happy. Sad, isn't it?
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os.chdir(self.topobjdir)
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automation = Automation()
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# Automation installs its own stream handler to stdout. Since we want
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# all logging to go through us, we just remove their handler.
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remove_handlers = [l for l in logging.getLogger().handlers
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if isinstance(l, logging.StreamHandler)]
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for handler in remove_handlers:
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logging.getLogger().removeHandler(handler)
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runner = mochitest.Mochitest(automation)
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opts = mochitest.MochitestOptions(automation, tests_dir)
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options, args = opts.parse_args([])
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# Need to set the suite options before verifyOptions below.
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if suite == 'plain':
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# Don't need additional options for plain.
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pass
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elif suite == 'chrome':
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options.chrome = True
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elif suite == 'browser':
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options.browserChrome = True
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elif suite == 'metro':
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options.immersiveMode = True
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options.browserChrome = True
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elif suite == 'a11y':
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options.a11y = True
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else:
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raise Exception('None or unrecognized mochitest suite type.')
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options = opts.verifyOptions(options, runner)
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if options is None:
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raise Exception('mochitest option validator failed.')
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options.autorun = not no_autorun
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options.closeWhenDone = not keep_open
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options.shuffle = shuffle
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options.consoleLevel = 'INFO'
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options.repeat = repeat
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options.runSlower = slow
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options.testingModulesDir = os.path.join(tests_dir, 'modules')
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options.extraProfileFiles.append(os.path.join(self.distdir, 'plugins'))
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options.symbolsPath = os.path.join(self.distdir, 'crashreporter-symbols')
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options.failureFile = failure_file_path
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automation.setServerInfo(options.webServer, options.httpPort,
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options.sslPort, options.webSocketPort)
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if test_path:
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test_root = runner.getTestRoot(options)
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test_root_file = mozpack.path.join(mochitest_dir, test_root, test_path)
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if not os.path.exists(test_root_file):
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print('Specified test path does not exist: %s' % test_root_file)
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print('You may need to run |mach build| to build the test files.')
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return 1
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options.testPath = test_path
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env = {'TEST_PATH': test_path}
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if rerun_failures:
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options.testManifest = failure_file_path
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if debugger:
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options.debugger = debugger
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# We need this to enable colorization of output.
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self.log_manager.enable_unstructured()
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# Output processing is a little funky here. The old make targets
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# grepped the log output from TEST-UNEXPECTED-* and printed these lines
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# after test execution. Ideally the test runner would expose a Python
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# API for obtaining test results and we could just format failures
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# appropriately. Unfortunately, it doesn't yet do that. So, we capture
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# all output to a buffer then "grep" the buffer after test execution.
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# Bug 858197 tracks a Python API that would facilitate this.
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test_output = StringIO()
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handler = logging.StreamHandler(test_output)
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handler.addFilter(UnexpectedFilter())
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handler.setFormatter(StructuredHumanFormatter(0, write_times=False))
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logging.getLogger().addHandler(handler)
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result = runner.runTests(options)
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# Need to remove our buffering handler before we echo failures or else
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# it will catch them again!
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logging.getLogger().removeHandler(handler)
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self.log_manager.disable_unstructured()
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if test_output.getvalue():
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result = 1
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for line in test_output.getvalue().splitlines():
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self.log(logging.INFO, 'unexpected', {'msg': line}, '{msg}')
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return result
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def MochitestCommand(func):
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"""Decorator that adds shared command arguments to mochitest commands."""
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# This employs light Python magic. Keep in mind a decorator is just a
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# function that takes a function, does something with it, then returns a
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# (modified) function. Here, we chain decorators onto the passed in
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# function.
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debugger = CommandArgument('--debugger', '-d', metavar='DEBUGGER',
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help='Debugger binary to run test in. Program name or path.')
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func = debugger(func)
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shuffle = CommandArgument('--shuffle', action='store_true',
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help='Shuffle execution order.')
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func = shuffle(func)
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keep_open = CommandArgument('--keep-open', action='store_true',
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help='Keep the browser open after tests complete.')
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func = keep_open(func)
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rerun = CommandArgument('--rerun-failures', action='store_true',
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help='Run only the tests that filed during the last test run.')
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func = rerun(func)
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autorun = CommandArgument('--no-autorun', action='store_true',
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help='Do not starting running tests automatically.')
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func = autorun(func)
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repeat = CommandArgument('--repeat', type=int, default=0,
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help='Repeat the test the given number of times.')
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func = repeat(func)
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slow = CommandArgument('--slow', action='store_true',
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help='Delay execution between tests.')
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func = slow(func)
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path = CommandArgument('test_file', default=None, nargs='?',
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metavar='TEST',
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help='Test to run. Can be specified as a single file, a ' \
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'directory, or omitted. If omitted, the entire test suite is ' \
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'executed.')
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func = path(func)
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return func
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@CommandProvider
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class MachCommands(MachCommandBase):
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@Command('mochitest-plain', category='testing',
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description='Run a plain mochitest.')
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@MochitestCommand
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def run_mochitest_plain(self, test_file, **kwargs):
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return self.run_mochitest(test_file, 'plain', **kwargs)
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@Command('mochitest-chrome', category='testing',
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description='Run a chrome mochitest.')
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@MochitestCommand
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def run_mochitest_chrome(self, test_file, **kwargs):
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return self.run_mochitest(test_file, 'chrome', **kwargs)
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@Command('mochitest-browser', category='testing',
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description='Run a mochitest with browser chrome.')
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@MochitestCommand
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def run_mochitest_browser(self, test_file, **kwargs):
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return self.run_mochitest(test_file, 'browser', **kwargs)
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@Command('mochitest-metro', category='testing',
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description='Run a mochitest with metro browser chrome.')
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@MochitestCommand
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def run_mochitest_metro(self, test_file, **kwargs):
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return self.run_mochitest(test_file, 'metro', **kwargs)
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@Command('mochitest-a11y', category='testing',
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description='Run an a11y mochitest.')
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@MochitestCommand
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def run_mochitest_a11y(self, test_file, **kwargs):
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return self.run_mochitest(test_file, 'a11y', **kwargs)
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def run_mochitest(self, test_file, flavor, **kwargs):
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self._ensure_state_subdir_exists('.')
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mochitest = self._spawn(MochitestRunner)
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return mochitest.run_mochitest_test(test_file=test_file, suite=flavor,
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**kwargs)
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