зеркало из https://github.com/mozilla/gecko-dev.git
245 строки
8.8 KiB
Python
245 строки
8.8 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 absolute_import, print_function, unicode_literals
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import argparse
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import logging
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import os
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import sys
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import tempfile
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from multiprocessing import cpu_count
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from concurrent.futures import (
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ThreadPoolExecutor,
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as_completed,
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thread,
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)
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import mozinfo
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from manifestparser import TestManifest
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from manifestparser import filters as mpf
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from mozbuild.base import (
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MachCommandBase,
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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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here = os.path.abspath(os.path.dirname(__file__))
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@CommandProvider
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class MachCommands(MachCommandBase):
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@Command('python', category='devenv',
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description='Run Python.')
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@CommandArgument('--no-virtualenv', action='store_true',
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help='Do not set up a virtualenv')
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@CommandArgument('--exec-file',
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default=None,
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help='Execute this Python file using `execfile`')
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@CommandArgument('args', nargs=argparse.REMAINDER)
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def python(self, no_virtualenv, exec_file, args):
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# Avoid logging the command
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self.log_manager.terminal_handler.setLevel(logging.CRITICAL)
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# Note: subprocess requires native strings in os.environ on Windows.
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append_env = {
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b'PYTHONDONTWRITEBYTECODE': str('1'),
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}
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if no_virtualenv:
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python_path = sys.executable
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append_env[b'PYTHONPATH'] = os.pathsep.join(sys.path)
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else:
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self._activate_virtualenv()
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python_path = self.virtualenv_manager.python_path
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if exec_file:
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execfile(exec_file)
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return 0
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return self.run_process([python_path] + args,
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pass_thru=True, # Allow user to run Python interactively.
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ensure_exit_code=False, # Don't throw on non-zero exit code.
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append_env=append_env)
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@Command('python-test', category='testing',
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description='Run Python unit tests with an appropriate test runner.')
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@CommandArgument('-v', '--verbose',
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default=False,
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action='store_true',
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help='Verbose output.')
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@CommandArgument('--python',
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default='2.7',
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help='Version of Python for Pipenv to use. When given a '
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'Python version, Pipenv will automatically scan your '
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'system for a Python that matches that given version.')
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@CommandArgument('-j', '--jobs',
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default=None,
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type=int,
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help='Number of concurrent jobs to run. Default is the number of CPUs '
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'in the system.')
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@CommandArgument('--subsuite',
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default=None,
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help=('Python subsuite to run. If not specified, all subsuites are run. '
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'Use the string `default` to only run tests without a subsuite.'))
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@CommandArgument('tests', nargs='*',
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metavar='TEST',
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help=('Tests to run. Each test can be a single file or a directory. '
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'Default test resolution relies on PYTHON_UNITTEST_MANIFESTS.'))
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def python_test(self, *args, **kwargs):
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try:
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tempdir = os.environ[b'PYTHON_TEST_TMP'] = str(tempfile.mkdtemp(suffix='-python-test'))
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return self.run_python_tests(*args, **kwargs)
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finally:
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import mozfile
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mozfile.remove(tempdir)
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def run_python_tests(self,
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tests=None,
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test_objects=None,
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subsuite=None,
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verbose=False,
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jobs=None,
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python=None,
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**kwargs):
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python = python or self.virtualenv_manager.python_path
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self.activate_pipenv(pipfile=None, populate=True, python=python)
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if test_objects is None:
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from moztest.resolve import TestResolver
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resolver = self._spawn(TestResolver)
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# If we were given test paths, try to find tests matching them.
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test_objects = resolver.resolve_tests(paths=tests, flavor='python')
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else:
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# We've received test_objects from |mach test|. We need to ignore
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# the subsuite because python-tests don't use this key like other
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# harnesses do and |mach test| doesn't realize this.
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subsuite = None
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mp = TestManifest()
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mp.tests.extend(test_objects)
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filters = []
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if subsuite == 'default':
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filters.append(mpf.subsuite(None))
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elif subsuite:
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filters.append(mpf.subsuite(subsuite))
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tests = mp.active_tests(
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filters=filters,
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disabled=False,
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python=self.virtualenv_manager.version_info[0],
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**mozinfo.info)
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if not tests:
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submsg = "for subsuite '{}' ".format(subsuite) if subsuite else ""
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message = "TEST-UNEXPECTED-FAIL | No tests collected " + \
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"{}(Not in PYTHON_UNITTEST_MANIFESTS?)".format(submsg)
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self.log(logging.WARN, 'python-test', {}, message)
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return 1
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parallel = []
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sequential = []
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for test in tests:
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if test.get('sequential'):
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sequential.append(test)
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else:
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parallel.append(test)
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self.jobs = jobs or cpu_count()
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self.terminate = False
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self.verbose = verbose
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return_code = 0
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def on_test_finished(result):
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output, ret, test_path = result
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for line in output:
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self.log(logging.INFO, 'python-test', {'line': line.rstrip()}, '{line}')
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if ret and not return_code:
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self.log(logging.ERROR, 'python-test', {'test_path': test_path, 'ret': ret},
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'Setting retcode to {ret} from {test_path}')
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return return_code or ret
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with ThreadPoolExecutor(max_workers=self.jobs) as executor:
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futures = [executor.submit(self._run_python_test, test)
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for test in parallel]
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try:
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for future in as_completed(futures):
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return_code = on_test_finished(future.result())
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except KeyboardInterrupt:
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# Hack to force stop currently running threads.
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# https://gist.github.com/clchiou/f2608cbe54403edb0b13
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executor._threads.clear()
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thread._threads_queues.clear()
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raise
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for test in sequential:
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return_code = on_test_finished(self._run_python_test(test))
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self.log(logging.INFO, 'python-test', {'return_code': return_code},
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'Return code from mach python-test: {return_code}')
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return return_code
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def _run_python_test(self, test):
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from mozprocess import ProcessHandler
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if test.get('requirements'):
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self.virtualenv_manager.install_pip_requirements(test['requirements'], quiet=True)
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output = []
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def _log(line):
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# Buffer messages if more than one worker to avoid interleaving
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if self.jobs > 1:
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output.append(line)
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else:
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self.log(logging.INFO, 'python-test', {'line': line.rstrip()}, '{line}')
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file_displayed_test = [] # used as boolean
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def _line_handler(line):
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if not file_displayed_test:
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output = ('Ran' in line or 'collected' in line or
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line.startswith('TEST-'))
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if output:
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file_displayed_test.append(True)
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# Hack to make sure treeherder highlights pytest failures
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if b'FAILED' in line.rsplit(b' ', 1)[-1]:
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line = line.replace(b'FAILED', b'TEST-UNEXPECTED-FAIL')
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_log(line)
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_log(test['path'])
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cmd = [self.virtualenv_manager.python_path, test['path']]
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env = os.environ.copy()
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env[b'PYTHONDONTWRITEBYTECODE'] = b'1'
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proc = ProcessHandler(cmd, env=env, processOutputLine=_line_handler, storeOutput=False)
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proc.run()
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return_code = proc.wait()
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if not file_displayed_test:
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_log('TEST-UNEXPECTED-FAIL | No test output (missing mozunit.main() '
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'call?): {}'.format(test['path']))
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if self.verbose:
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if return_code != 0:
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_log('Test failed: {}'.format(test['path']))
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else:
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_log('Test passed: {}'.format(test['path']))
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return output, return_code, test['path']
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