Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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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/.
from __future__ import absolute_import, print_function, unicode_literals
import __main__
import argparse
import logging
import mozpack.path as mozpath
import os
from mozbuild.base import (
MachCommandBase,
)
from mach.decorators import (
CommandArgument,
CommandProvider,
Command,
)
@CommandProvider
class MachCommands(MachCommandBase):
@Command('python', category='devenv',
description='Run Python.')
@CommandArgument('args', nargs=argparse.REMAINDER)
def python(self, args):
# Avoid logging the command
self.log_manager.terminal_handler.setLevel(logging.CRITICAL)
self._activate_virtualenv()
return self.run_process([self.virtualenv_manager.python_path] + args,
pass_thru=True, # Allow user to run Python interactively.
ensure_exit_code=False, # Don't throw on non-zero exit code.
# Note: subprocess requires native strings in os.environ on Windows
append_env={b'PYTHONDONTWRITEBYTECODE': str('1')})
@Command('python-test', category='testing',
description='Run Python unit tests with an appropriate test runner.')
@CommandArgument('--verbose',
default=False,
action='store_true',
help='Verbose output.')
@CommandArgument('--stop',
default=False,
action='store_true',
help='Stop running tests after the first error or failure.')
@CommandArgument('--path-only',
default=False,
action='store_true',
help=('Collect all tests under given path instead of default '
'test resolution. Supports pytest-style tests.'))
@CommandArgument('tests', nargs='*',
metavar='TEST',
help=('Tests to run. Each test can be a single file or a directory. '
'Default test resolution relies on PYTHON_UNIT_TESTS.'))
def python_test(self,
tests=[],
test_objects=None,
subsuite=None,
verbose=False,
path_only=False,
stop=False):
self._activate_virtualenv()
def find_tests_by_path():
import glob
files = []
for t in tests:
if t.endswith('.py') and os.path.isfile(t):
files.append(t)
elif os.path.isdir(t):
for root, _, _ in os.walk(t):
files += glob.glob(mozpath.join(root, 'test*.py'))
files += glob.glob(mozpath.join(root, 'unit*.py'))
else:
self.log(logging.WARN, 'python-test',
{'test': t},
'TEST-UNEXPECTED-FAIL | Invalid test: {test}')
if stop:
break
return files
# Python's unittest, and in particular discover, has problems with
# clashing namespaces when importing multiple test modules. What follows
# is a simple way to keep environments separate, at the price of
# launching Python multiple times. Most tests are run via mozunit,
# which produces output in the format Mozilla infrastructure expects.
# Some tests are run via pytest.
return_code = 0
found_tests = False
if test_objects is None:
# If we're not being called from `mach test`, do our own
# test resolution.
if path_only:
if tests:
test_objects = [{'path': p} for p in find_tests_by_path()]
else:
self.log(logging.WARN, 'python-test', {},
'TEST-UNEXPECTED-FAIL | No tests specified')
test_objects = []
else:
from mozbuild.testing import TestResolver
resolver = self._spawn(TestResolver)
if tests:
# If we were given test paths, try to find tests matching them.
test_objects = resolver.resolve_tests(paths=tests,
flavor='python')
else:
# Otherwise just run everything in PYTHON_UNIT_TESTS
test_objects = resolver.resolve_tests(flavor='python')
for test in test_objects:
found_tests = True
f = test['path']
file_displayed_test = [] # Used as a boolean.
def _line_handler(line):
if not file_displayed_test:
output = ('Ran' in line or 'collected' in line or
line.startswith('TEST-'))
if output:
file_displayed_test.append(True)
inner_return_code = self.run_process(
[self.virtualenv_manager.python_path, f],
ensure_exit_code=False, # Don't throw on non-zero exit code.
log_name='python-test',
# subprocess requires native strings in os.environ on Windows
append_env={b'PYTHONDONTWRITEBYTECODE': str('1')},
line_handler=_line_handler)
return_code += inner_return_code
if not file_displayed_test:
self.log(logging.WARN, 'python-test', {'file': f},
'TEST-UNEXPECTED-FAIL | No test output (missing mozunit.main() call?): {file}')
if verbose:
if inner_return_code != 0:
self.log(logging.INFO, 'python-test', {'file': f},
'Test failed: {file}')
else:
self.log(logging.INFO, 'python-test', {'file': f},
'Test passed: {file}')
if stop and return_code > 0:
return 1
if not found_tests:
message = 'TEST-UNEXPECTED-FAIL | No tests collected'
if not path_only:
message += ' (Not in PYTHON_UNIT_TESTS? Try --path-only?)'
self.log(logging.WARN, 'python-test', {}, message)
return 1
return 0 if return_code == 0 else 1