mirror of https://github.com/python/cpython
285 lines
12 KiB
Python
285 lines
12 KiB
Python
"""Unittest main program"""
|
|
|
|
import sys
|
|
import argparse
|
|
import os
|
|
import warnings
|
|
|
|
from . import loader, runner
|
|
from .signals import installHandler
|
|
|
|
__unittest = True
|
|
|
|
MAIN_EXAMPLES = """\
|
|
Examples:
|
|
%(prog)s test_module - run tests from test_module
|
|
%(prog)s module.TestClass - run tests from module.TestClass
|
|
%(prog)s module.Class.test_method - run specified test method
|
|
%(prog)s path/to/test_file.py - run tests from test_file.py
|
|
"""
|
|
|
|
MODULE_EXAMPLES = """\
|
|
Examples:
|
|
%(prog)s - run default set of tests
|
|
%(prog)s MyTestSuite - run suite 'MyTestSuite'
|
|
%(prog)s MyTestCase.testSomething - run MyTestCase.testSomething
|
|
%(prog)s MyTestCase - run all 'test*' test methods
|
|
in MyTestCase
|
|
"""
|
|
|
|
def _convert_name(name):
|
|
# on Linux / Mac OS X 'foo.PY' is not importable, but on
|
|
# Windows it is. Simpler to do a case insensitive match
|
|
# a better check would be to check that the name is a
|
|
# valid Python module name.
|
|
if os.path.isfile(name) and name.lower().endswith('.py'):
|
|
if os.path.isabs(name):
|
|
rel_path = os.path.relpath(name, os.getcwd())
|
|
if os.path.isabs(rel_path) or rel_path.startswith(os.pardir):
|
|
return name
|
|
name = rel_path
|
|
# on Windows both '\' and '/' are used as path
|
|
# separators. Better to replace both than rely on os.path.sep
|
|
return os.path.normpath(name)[:-3].replace('\\', '.').replace('/', '.')
|
|
return name
|
|
|
|
def _convert_names(names):
|
|
return [_convert_name(name) for name in names]
|
|
|
|
|
|
def _convert_select_pattern(pattern):
|
|
if not '*' in pattern:
|
|
pattern = '*%s*' % pattern
|
|
return pattern
|
|
|
|
|
|
class TestProgram(object):
|
|
"""A command-line program that runs a set of tests; this is primarily
|
|
for making test modules conveniently executable.
|
|
"""
|
|
# defaults for testing
|
|
module=None
|
|
verbosity = 1
|
|
failfast = catchbreak = buffer = progName = warnings = testNamePatterns = None
|
|
_discovery_parser = None
|
|
|
|
def __init__(self, module='__main__', defaultTest=None, argv=None,
|
|
testRunner=None, testLoader=loader.defaultTestLoader,
|
|
exit=True, verbosity=1, failfast=None, catchbreak=None,
|
|
buffer=None, warnings=None, *, tb_locals=False,
|
|
durations=None):
|
|
if isinstance(module, str):
|
|
self.module = __import__(module)
|
|
for part in module.split('.')[1:]:
|
|
self.module = getattr(self.module, part)
|
|
else:
|
|
self.module = module
|
|
if argv is None:
|
|
argv = sys.argv
|
|
|
|
self.exit = exit
|
|
self.failfast = failfast
|
|
self.catchbreak = catchbreak
|
|
self.verbosity = verbosity
|
|
self.buffer = buffer
|
|
self.tb_locals = tb_locals
|
|
self.durations = durations
|
|
if warnings is None and not sys.warnoptions:
|
|
# even if DeprecationWarnings are ignored by default
|
|
# print them anyway unless other warnings settings are
|
|
# specified by the warnings arg or the -W python flag
|
|
self.warnings = 'default'
|
|
else:
|
|
# here self.warnings is set either to the value passed
|
|
# to the warnings args or to None.
|
|
# If the user didn't pass a value self.warnings will
|
|
# be None. This means that the behavior is unchanged
|
|
# and depends on the values passed to -W.
|
|
self.warnings = warnings
|
|
self.defaultTest = defaultTest
|
|
self.testRunner = testRunner
|
|
self.testLoader = testLoader
|
|
self.progName = os.path.basename(argv[0])
|
|
self.parseArgs(argv)
|
|
self.runTests()
|
|
|
|
def usageExit(self, msg=None):
|
|
warnings.warn("TestProgram.usageExit() is deprecated and will be"
|
|
" removed in Python 3.13", DeprecationWarning)
|
|
if msg:
|
|
print(msg)
|
|
if self._discovery_parser is None:
|
|
self._initArgParsers()
|
|
self._print_help()
|
|
sys.exit(2)
|
|
|
|
def _print_help(self, *args, **kwargs):
|
|
if self.module is None:
|
|
print(self._main_parser.format_help())
|
|
print(MAIN_EXAMPLES % {'prog': self.progName})
|
|
self._discovery_parser.print_help()
|
|
else:
|
|
print(self._main_parser.format_help())
|
|
print(MODULE_EXAMPLES % {'prog': self.progName})
|
|
|
|
def parseArgs(self, argv):
|
|
self._initArgParsers()
|
|
if self.module is None:
|
|
if len(argv) > 1 and argv[1].lower() == 'discover':
|
|
self._do_discovery(argv[2:])
|
|
return
|
|
self._main_parser.parse_args(argv[1:], self)
|
|
if not self.tests:
|
|
# this allows "python -m unittest -v" to still work for
|
|
# test discovery.
|
|
self._do_discovery([])
|
|
return
|
|
else:
|
|
self._main_parser.parse_args(argv[1:], self)
|
|
|
|
if self.tests:
|
|
self.testNames = _convert_names(self.tests)
|
|
if __name__ == '__main__':
|
|
# to support python -m unittest ...
|
|
self.module = None
|
|
elif self.defaultTest is None:
|
|
# createTests will load tests from self.module
|
|
self.testNames = None
|
|
elif isinstance(self.defaultTest, str):
|
|
self.testNames = (self.defaultTest,)
|
|
else:
|
|
self.testNames = list(self.defaultTest)
|
|
self.createTests()
|
|
|
|
def createTests(self, from_discovery=False, Loader=None):
|
|
if self.testNamePatterns:
|
|
self.testLoader.testNamePatterns = self.testNamePatterns
|
|
if from_discovery:
|
|
loader = self.testLoader if Loader is None else Loader()
|
|
self.test = loader.discover(self.start, self.pattern, self.top)
|
|
elif self.testNames is None:
|
|
self.test = self.testLoader.loadTestsFromModule(self.module)
|
|
else:
|
|
self.test = self.testLoader.loadTestsFromNames(self.testNames,
|
|
self.module)
|
|
|
|
def _initArgParsers(self):
|
|
parent_parser = self._getParentArgParser()
|
|
self._main_parser = self._getMainArgParser(parent_parser)
|
|
self._discovery_parser = self._getDiscoveryArgParser(parent_parser)
|
|
|
|
def _getParentArgParser(self):
|
|
parser = argparse.ArgumentParser(add_help=False)
|
|
|
|
parser.add_argument('-v', '--verbose', dest='verbosity',
|
|
action='store_const', const=2,
|
|
help='Verbose output')
|
|
parser.add_argument('-q', '--quiet', dest='verbosity',
|
|
action='store_const', const=0,
|
|
help='Quiet output')
|
|
parser.add_argument('--locals', dest='tb_locals',
|
|
action='store_true',
|
|
help='Show local variables in tracebacks')
|
|
parser.add_argument('--durations', dest='durations', type=int,
|
|
default=None, metavar="N",
|
|
help='Show the N slowest test cases (N=0 for all)')
|
|
if self.failfast is None:
|
|
parser.add_argument('-f', '--failfast', dest='failfast',
|
|
action='store_true',
|
|
help='Stop on first fail or error')
|
|
self.failfast = False
|
|
if self.catchbreak is None:
|
|
parser.add_argument('-c', '--catch', dest='catchbreak',
|
|
action='store_true',
|
|
help='Catch Ctrl-C and display results so far')
|
|
self.catchbreak = False
|
|
if self.buffer is None:
|
|
parser.add_argument('-b', '--buffer', dest='buffer',
|
|
action='store_true',
|
|
help='Buffer stdout and stderr during tests')
|
|
self.buffer = False
|
|
if self.testNamePatterns is None:
|
|
parser.add_argument('-k', dest='testNamePatterns',
|
|
action='append', type=_convert_select_pattern,
|
|
help='Only run tests which match the given substring')
|
|
self.testNamePatterns = []
|
|
|
|
return parser
|
|
|
|
def _getMainArgParser(self, parent):
|
|
parser = argparse.ArgumentParser(parents=[parent])
|
|
parser.prog = self.progName
|
|
parser.print_help = self._print_help
|
|
|
|
parser.add_argument('tests', nargs='*',
|
|
help='a list of any number of test modules, '
|
|
'classes and test methods.')
|
|
|
|
return parser
|
|
|
|
def _getDiscoveryArgParser(self, parent):
|
|
parser = argparse.ArgumentParser(parents=[parent])
|
|
parser.prog = '%s discover' % self.progName
|
|
parser.epilog = ('For test discovery all test modules must be '
|
|
'importable from the top level directory of the '
|
|
'project.')
|
|
|
|
parser.add_argument('-s', '--start-directory', dest='start',
|
|
help="Directory to start discovery ('.' default)")
|
|
parser.add_argument('-p', '--pattern', dest='pattern',
|
|
help="Pattern to match tests ('test*.py' default)")
|
|
parser.add_argument('-t', '--top-level-directory', dest='top',
|
|
help='Top level directory of project (defaults to '
|
|
'start directory)')
|
|
for arg in ('start', 'pattern', 'top'):
|
|
parser.add_argument(arg, nargs='?',
|
|
default=argparse.SUPPRESS,
|
|
help=argparse.SUPPRESS)
|
|
|
|
return parser
|
|
|
|
def _do_discovery(self, argv, Loader=None):
|
|
self.start = '.'
|
|
self.pattern = 'test*.py'
|
|
self.top = None
|
|
if argv is not None:
|
|
# handle command line args for test discovery
|
|
if self._discovery_parser is None:
|
|
# for testing
|
|
self._initArgParsers()
|
|
self._discovery_parser.parse_args(argv, self)
|
|
|
|
self.createTests(from_discovery=True, Loader=Loader)
|
|
|
|
def runTests(self):
|
|
if self.catchbreak:
|
|
installHandler()
|
|
if self.testRunner is None:
|
|
self.testRunner = runner.TextTestRunner
|
|
if isinstance(self.testRunner, type):
|
|
try:
|
|
try:
|
|
testRunner = self.testRunner(verbosity=self.verbosity,
|
|
failfast=self.failfast,
|
|
buffer=self.buffer,
|
|
warnings=self.warnings,
|
|
tb_locals=self.tb_locals,
|
|
durations=self.durations)
|
|
except TypeError:
|
|
# didn't accept the tb_locals or durations argument
|
|
testRunner = self.testRunner(verbosity=self.verbosity,
|
|
failfast=self.failfast,
|
|
buffer=self.buffer,
|
|
warnings=self.warnings)
|
|
except TypeError:
|
|
# didn't accept the verbosity, buffer or failfast arguments
|
|
testRunner = self.testRunner()
|
|
else:
|
|
# it is assumed to be a TestRunner instance
|
|
testRunner = self.testRunner
|
|
self.result = testRunner.run(self.test)
|
|
if self.exit:
|
|
sys.exit(not self.result.wasSuccessful())
|
|
|
|
main = TestProgram
|