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131 lines
4.8 KiB
Python
131 lines
4.8 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 print_function, unicode_literals
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import argparse
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import glob
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import logging
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import mozpack.path
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import os
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import sys
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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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'''
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Easily run Python and Python unit tests.
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'''
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def __init__(self, context):
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MachCommandBase.__init__(self, context)
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self._python_executable = None
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@property
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def python_executable(self):
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'''
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Return path to Python executable, or print and sys.exit(1) if
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executable does not exist.
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'''
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if self._python_executable:
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return self._python_executable
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if self._is_windows():
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executable = '_virtualenv/Scripts/python.exe'
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else:
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executable = '_virtualenv/bin/python'
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path = mozpack.path.join(self.topobjdir, executable)
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if not os.path.exists(path):
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print("Could not find Python executable at %s." % path,
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"Run |mach configure| or |mach build| to install it.")
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sys.exit(1)
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self._python_executable = path
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return path
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@Command('python', category='devenv',
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allow_all_args=True,
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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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return self.run_process([self.python_executable] + 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={'PYTHONDONTWRITEBYTECODE': '1'})
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@Command('python-test', category='testing',
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description='Run Python unit tests.')
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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('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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def python_test(self, tests, verbose=False, stop=False):
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# Make sure we can find Python before doing anything else.
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self.python_executable
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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. This also runs tests via mozunit,
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# which produces output in the format Mozilla infrastructure expects.
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return_code = 0
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files = []
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for test in tests:
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if test.endswith('.py') and os.path.isfile(test):
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files.append(test)
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elif os.path.isfile(test + '.py'):
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files.append(test + '.py')
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elif os.path.isdir(test):
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files += glob.glob(mozpack.path.join(test, 'test*.py'))
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files += glob.glob(mozpack.path.join(test, 'unit*.py'))
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else:
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self.log(logging.WARN, 'python-test', {'test': test},
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'TEST-UNEXPECTED-FAIL | Invalid test: {test}')
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if stop:
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return 1
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for file in files:
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file_displayed_test = [] # Used as a boolean.
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def _line_handler(line):
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if not file_displayed_test and line.startswith('TEST-'):
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file_displayed_test.append(True)
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inner_return_code = self.run_process(
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[self.python_executable, file],
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ensure_exit_code=False, # Don't throw on non-zero exit code.
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log_name='python-test',
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append_env={'PYTHONDONTWRITEBYTECODE': '1'},
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line_handler=_line_handler)
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return_code += inner_return_code
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if not file_displayed_test:
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self.log(logging.WARN, 'python-test', {'file': file},
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'TEST-UNEXPECTED-FAIL | No test output (missing mozunit.main() call?): {file}')
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if verbose:
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if inner_return_code != 0:
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self.log(logging.INFO, 'python-test', {'file': file},
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'Test failed: {file}')
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else:
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self.log(logging.INFO, 'python-test', {'file': file},
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'Test passed: {file}')
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if stop and return_code > 0:
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return 1
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return 0 if return_code == 0 else 1
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