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4c269c0a47
This patch uses the PIPENV_PYTHON environment variable to append a suffix to the created virtual environment path according to the version specified. It also uses the PIPENV_DEFAULT_PYTHON_VERSION environment variable to avoid recreating the virtual environment every time. With these changes we are able to switch back and forth between Python versions without the expense of recreating environments, however there is a risk of these environments becoming stale. In this scenario it may be necessary to clobber the virtual environment root within the obj dir. MozReview-Commit-ID: C4vuwNh04CP --HG-- extra : rebase_source : ba34e415fa21683bc2a39231651587fa30ad0242
232 lines
8.3 KiB
Python
232 lines
8.3 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 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('args', nargs=argparse.REMAINDER)
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def python(self, no_virtualenv, 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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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=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=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=1,
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python=None,
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**kwargs):
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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
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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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