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a69182174e
The TestMetadata and TestResolver classes aren't technically part of the build system. The only connection is that they consume some build system output. The next patch in this series is going to be merging in a bunch of other test resolving logic from other parts of the tree. Moving this out first allows us to keep that extra logic out of mozbuild. MozReview-Commit-ID: 1eq4SjFVCyW --HG-- rename : python/mozbuild/mozbuild/test/test_testing.py => testing/mozbase/moztest/tests/test_resolve.py extra : rebase_source : 7ff11f9ec455547533082d20cb5371845f7a4f21
237 lines
8.7 KiB
Python
237 lines
8.7 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 tempfile
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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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import mozpack.path as mozpath
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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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@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('args', nargs=argparse.REMAINDER)
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def python(self, 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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self._activate_virtualenv()
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return self.run_process([self.virtualenv_manager.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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# Note: subprocess requires native strings in os.environ on Windows
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append_env={b'PYTHONDONTWRITEBYTECODE': str('1')})
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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('--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('--stop',
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default=False,
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action='store_true',
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help='Stop running tests after the first error or failure.')
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@CommandArgument('-j', '--jobs',
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default=1,
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type=int,
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help='Number of concurrent jobs to run. Default is 1.')
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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=[],
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test_objects=None,
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subsuite=None,
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verbose=False,
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stop=False,
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jobs=1):
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self._activate_virtualenv()
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def find_tests_by_path():
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import glob
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files = []
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for t in tests:
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if t.endswith('.py') and os.path.isfile(t):
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files.append(t)
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elif os.path.isdir(t):
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for root, _, _ in os.walk(t):
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files += glob.glob(mozpath.join(root, 'test*.py'))
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files += glob.glob(mozpath.join(root, 'unit*.py'))
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else:
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self.log(logging.WARN, 'python-test',
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{'test': t},
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'TEST-UNEXPECTED-FAIL | Invalid test: {test}')
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if stop:
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break
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return files
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# Python's unittest, and in particular discover, has problems with
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# clashing namespaces when importing multiple test modules. What follows
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# is a simple way to keep environments separate, at the price of
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# launching Python multiple times. Most tests are run via mozunit,
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# which produces output in the format Mozilla infrastructure expects.
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# Some tests are run via pytest.
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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 tests:
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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,
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flavor='python')
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else:
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# Otherwise just run everything in PYTHON_UNITTEST_MANIFESTS
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test_objects = resolver.resolve_tests(flavor='python')
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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(filters=filters, disabled=False, **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
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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['path'])
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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['path']))
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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_path):
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from mozprocess import ProcessHandler
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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 'FAILED' in line.rsplit(' ', 1)[-1]:
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line = line.replace('FAILED', '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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