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PK ��[��W W runner.pynu �[��� """Running tests""" import sys import time import warnings from . import result from .signals import registerResult __unittest = True class _WritelnDecorator(object): """Used to decorate file-like objects with a handy 'writeln' method""" def __init__(self,stream): self.stream = stream def __getattr__(self, attr): if attr in ('stream', '__getstate__'): raise AttributeError(attr) return getattr(self.stream,attr) def writeln(self, arg=None): if arg: self.write(arg) self.write('\n') # text-mode streams translate to \r\n if needed class TextTestResult(result.TestResult): """A test result class that can print formatted text results to a stream. Used by TextTestRunner. """ separator1 = '=' * 70 separator2 = '-' * 70 def __init__(self, stream, descriptions, verbosity): super(TextTestResult, self).__init__(stream, descriptions, verbosity) self.stream = stream self.showAll = verbosity > 1 self.dots = verbosity == 1 self.descriptions = descriptions def getDescription(self, test): doc_first_line = test.shortDescription() if self.descriptions and doc_first_line: return '\n'.join((str(test), doc_first_line)) else: return str(test) def startTest(self, test): super(TextTestResult, self).startTest(test) if self.showAll: self.stream.write(self.getDescription(test)) self.stream.write(" ... ") self.stream.flush() def addSuccess(self, test): super(TextTestResult, self).addSuccess(test) if self.showAll: self.stream.writeln("ok") elif self.dots: self.stream.write('.') self.stream.flush() def addError(self, test, err): super(TextTestResult, self).addError(test, err) if self.showAll: self.stream.writeln("ERROR") elif self.dots: self.stream.write('E') self.stream.flush() def addFailure(self, test, err): super(TextTestResult, self).addFailure(test, err) if self.showAll: self.stream.writeln("FAIL") elif self.dots: self.stream.write('F') self.stream.flush() def addSkip(self, test, reason): super(TextTestResult, self).addSkip(test, reason) if self.showAll: self.stream.writeln("skipped {0!r}".format(reason)) elif self.dots: self.stream.write("s") self.stream.flush() def addExpectedFailure(self, test, err): super(TextTestResult, self).addExpectedFailure(test, err) if self.showAll: self.stream.writeln("expected failure") elif self.dots: self.stream.write("x") self.stream.flush() def addUnexpectedSuccess(self, test): super(TextTestResult, self).addUnexpectedSuccess(test) if self.showAll: self.stream.writeln("unexpected success") elif self.dots: self.stream.write("u") self.stream.flush() def printErrors(self): if self.dots or self.showAll: self.stream.writeln() self.printErrorList('ERROR', self.errors) self.printErrorList('FAIL', self.failures) def printErrorList(self, flavour, errors): for test, err in errors: self.stream.writeln(self.separator1) self.stream.writeln("%s: %s" % (flavour,self.getDescription(test))) self.stream.writeln(self.separator2) self.stream.writeln("%s" % err) class TextTestRunner(object): """A test runner class that displays results in textual form. It prints out the names of tests as they are run, errors as they occur, and a summary of the results at the end of the test run. """ resultclass = TextTestResult def __init__(self, stream=None, descriptions=True, verbosity=1, failfast=False, buffer=False, resultclass=None, warnings=None, *, tb_locals=False): """Construct a TextTestRunner. Subclasses should accept **kwargs to ensure compatibility as the interface changes. """ if stream is None: stream = sys.stderr self.stream = _WritelnDecorator(stream) self.descriptions = descriptions self.verbosity = verbosity self.failfast = failfast self.buffer = buffer self.tb_locals = tb_locals self.warnings = warnings if resultclass is not None: self.resultclass = resultclass def _makeResult(self): return self.resultclass(self.stream, self.descriptions, self.verbosity) def run(self, test): "Run the given test case or test suite." result = self._makeResult() registerResult(result) result.failfast = self.failfast result.buffer = self.buffer result.tb_locals = self.tb_locals with warnings.catch_warnings(): if self.warnings: # if self.warnings is set, use it to filter all the warnings warnings.simplefilter(self.warnings) # if the filter is 'default' or 'always', special-case the # warnings from the deprecated unittest methods to show them # no more than once per module, because they can be fairly # noisy. The -Wd and -Wa flags can be used to bypass this # only when self.warnings is None. if self.warnings in ['default', 'always']: warnings.filterwarnings('module', category=DeprecationWarning, message=r'Please use assert\w+ instead.') startTime = time.perf_counter() startTestRun = getattr(result, 'startTestRun', None) if startTestRun is not None: startTestRun() try: test(result) finally: stopTestRun = getattr(result, 'stopTestRun', None) if stopTestRun is not None: stopTestRun() stopTime = time.perf_counter() timeTaken = stopTime - startTime result.printErrors() if hasattr(result, 'separator2'): self.stream.writeln(result.separator2) run = result.testsRun self.stream.writeln("Ran %d test%s in %.3fs" % (run, run != 1 and "s" or "", timeTaken)) self.stream.writeln() expectedFails = unexpectedSuccesses = skipped = 0 try: results = map(len, (result.expectedFailures, result.unexpectedSuccesses, result.skipped)) except AttributeError: pass else: expectedFails, unexpectedSuccesses, skipped = results infos = [] if not result.wasSuccessful(): self.stream.write("FAILED") failed, errored = len(result.failures), len(result.errors) if failed: infos.append("failures=%d" % failed) if errored: infos.append("errors=%d" % errored) else: self.stream.write("OK") if skipped: infos.append("skipped=%d" % skipped) if expectedFails: infos.append("expected failures=%d" % expectedFails) if unexpectedSuccesses: infos.append("unexpected successes=%d" % unexpectedSuccesses) if infos: self.stream.writeln(" (%s)" % (", ".join(infos),)) else: self.stream.write("\n") return result PK ��[d��_ _ util.pynu �[��� """Various utility functions.""" from collections import namedtuple, Counter from os.path import commonprefix __unittest = True _MAX_LENGTH = 80 _PLACEHOLDER_LEN = 12 _MIN_BEGIN_LEN = 5 _MIN_END_LEN = 5 _MIN_COMMON_LEN = 5 _MIN_DIFF_LEN = _MAX_LENGTH - \ (_MIN_BEGIN_LEN + _PLACEHOLDER_LEN + _MIN_COMMON_LEN + _PLACEHOLDER_LEN + _MIN_END_LEN) assert _MIN_DIFF_LEN >= 0 def _shorten(s, prefixlen, suffixlen): skip = len(s) - prefixlen - suffixlen if skip > _PLACEHOLDER_LEN: s = '%s[%d chars]%s' % (s[:prefixlen], skip, s[len(s) - suffixlen:]) return s def _common_shorten_repr(*args): args = tuple(map(safe_repr, args)) maxlen = max(map(len, args)) if maxlen <= _MAX_LENGTH: return args prefix = commonprefix(args) prefixlen = len(prefix) common_len = _MAX_LENGTH - \ (maxlen - prefixlen + _MIN_BEGIN_LEN + _PLACEHOLDER_LEN) if common_len > _MIN_COMMON_LEN: assert _MIN_BEGIN_LEN + _PLACEHOLDER_LEN + _MIN_COMMON_LEN + \ (maxlen - prefixlen) < _MAX_LENGTH prefix = _shorten(prefix, _MIN_BEGIN_LEN, common_len) return tuple(prefix + s[prefixlen:] for s in args) prefix = _shorten(prefix, _MIN_BEGIN_LEN, _MIN_COMMON_LEN) return tuple(prefix + _shorten(s[prefixlen:], _MIN_DIFF_LEN, _MIN_END_LEN) for s in args) def safe_repr(obj, short=False): try: result = repr(obj) except Exception: result = object.__repr__(obj) if not short or len(result) < _MAX_LENGTH: return result return result[:_MAX_LENGTH] + ' [truncated]...' def strclass(cls): return "%s.%s" % (cls.__module__, cls.__qualname__) def sorted_list_difference(expected, actual): """Finds elements in only one or the other of two, sorted input lists. Returns a two-element tuple of lists. The first list contains those elements in the "expected" list but not in the "actual" list, and the second contains those elements in the "actual" list but not in the "expected" list. Duplicate elements in either input list are ignored. """ i = j = 0 missing = [] unexpected = [] while True: try: e = expected[i] a = actual[j] if e < a: missing.append(e) i += 1 while expected[i] == e: i += 1 elif e > a: unexpected.append(a) j += 1 while actual[j] == a: j += 1 else: i += 1 try: while expected[i] == e: i += 1 finally: j += 1 while actual[j] == a: j += 1 except IndexError: missing.extend(expected[i:]) unexpected.extend(actual[j:]) break return missing, unexpected def unorderable_list_difference(expected, actual): """Same behavior as sorted_list_difference but for lists of unorderable items (like dicts). As it does a linear search per item (remove) it has O(n*n) performance.""" missing = [] while expected: item = expected.pop() try: actual.remove(item) except ValueError: missing.append(item) # anything left in actual is unexpected return missing, actual def three_way_cmp(x, y): """Return -1 if x < y, 0 if x == y and 1 if x > y""" return (x > y) - (x < y) _Mismatch = namedtuple('Mismatch', 'actual expected value') def _count_diff_all_purpose(actual, expected): 'Returns list of (cnt_act, cnt_exp, elem) triples where the counts differ' # elements need not be hashable s, t = list(actual), list(expected) m, n = len(s), len(t) NULL = object() result = [] for i, elem in enumerate(s): if elem is NULL: continue cnt_s = cnt_t = 0 for j in range(i, m): if s[j] == elem: cnt_s += 1 s[j] = NULL for j, other_elem in enumerate(t): if other_elem == elem: cnt_t += 1 t[j] = NULL if cnt_s != cnt_t: diff = _Mismatch(cnt_s, cnt_t, elem) result.append(diff) for i, elem in enumerate(t): if elem is NULL: continue cnt_t = 0 for j in range(i, n): if t[j] == elem: cnt_t += 1 t[j] = NULL diff = _Mismatch(0, cnt_t, elem) result.append(diff) return result def _count_diff_hashable(actual, expected): 'Returns list of (cnt_act, cnt_exp, elem) triples where the counts differ' # elements must be hashable s, t = Counter(actual), Counter(expected) result = [] for elem, cnt_s in s.items(): cnt_t = t.get(elem, 0) if cnt_s != cnt_t: diff = _Mismatch(cnt_s, cnt_t, elem) result.append(diff) for elem, cnt_t in t.items(): if elem not in s: diff = _Mismatch(0, cnt_t, elem) result.append(diff) return result PK ��[5V�� �� case.pynu �[��� """Test case implementation""" import sys import functools import difflib import logging import pprint import re import warnings import collections import contextlib import traceback import types from . import result from .util import (strclass, safe_repr, _count_diff_all_purpose, _count_diff_hashable, _common_shorten_repr) __unittest = True _subtest_msg_sentinel = object() DIFF_OMITTED = ('\nDiff is %s characters long. ' 'Set self.maxDiff to None to see it.') class SkipTest(Exception): """ Raise this exception in a test to skip it. Usually you can use TestCase.skipTest() or one of the skipping decorators instead of raising this directly. """ class _ShouldStop(Exception): """ The test should stop. """ class _UnexpectedSuccess(Exception): """ The test was supposed to fail, but it didn't! """ class _Outcome(object): def __init__(self, result=None): self.expecting_failure = False self.result = result self.result_supports_subtests = hasattr(result, "addSubTest") self.success = True self.skipped = [] self.expectedFailure = None self.errors = [] @contextlib.contextmanager def testPartExecutor(self, test_case, isTest=False): old_success = self.success self.success = True try: yield except KeyboardInterrupt: raise except SkipTest as e: self.success = False self.skipped.append((test_case, str(e))) except _ShouldStop: pass except: exc_info = sys.exc_info() if self.expecting_failure: self.expectedFailure = exc_info else: self.success = False self.errors.append((test_case, exc_info)) # explicitly break a reference cycle: # exc_info -> frame -> exc_info exc_info = None else: if self.result_supports_subtests and self.success: self.errors.append((test_case, None)) finally: self.success = self.success and old_success def _id(obj): return obj _module_cleanups = [] def addModuleCleanup(function, /, *args, **kwargs): """Same as addCleanup, except the cleanup items are called even if setUpModule fails (unlike tearDownModule).""" _module_cleanups.append((function, args, kwargs)) def doModuleCleanups(): """Execute all module cleanup functions. Normally called for you after tearDownModule.""" exceptions = [] while _module_cleanups: function, args, kwargs = _module_cleanups.pop() try: function(*args, **kwargs) except Exception as exc: exceptions.append(exc) if exceptions: # Swallows all but first exception. If a multi-exception handler # gets written we should use that here instead. raise exceptions[0] def skip(reason): """ Unconditionally skip a test. """ def decorator(test_item): if not isinstance(test_item, type): @functools.wraps(test_item) def skip_wrapper(*args, **kwargs): raise SkipTest(reason) test_item = skip_wrapper test_item.__unittest_skip__ = True test_item.__unittest_skip_why__ = reason return test_item if isinstance(reason, types.FunctionType): test_item = reason reason = '' return decorator(test_item) return decorator def skipIf(condition, reason): """ Skip a test if the condition is true. """ if condition: return skip(reason) return _id def skipUnless(condition, reason): """ Skip a test unless the condition is true. """ if not condition: return skip(reason) return _id def expectedFailure(test_item): test_item.__unittest_expecting_failure__ = True return test_item def _is_subtype(expected, basetype): if isinstance(expected, tuple): return all(_is_subtype(e, basetype) for e in expected) return isinstance(expected, type) and issubclass(expected, basetype) class _BaseTestCaseContext: def __init__(self, test_case): self.test_case = test_case def _raiseFailure(self, standardMsg): msg = self.test_case._formatMessage(self.msg, standardMsg) raise self.test_case.failureException(msg) class _AssertRaisesBaseContext(_BaseTestCaseContext): def __init__(self, expected, test_case, expected_regex=None): _BaseTestCaseContext.__init__(self, test_case) self.expected = expected self.test_case = test_case if expected_regex is not None: expected_regex = re.compile(expected_regex) self.expected_regex = expected_regex self.obj_name = None self.msg = None def handle(self, name, args, kwargs): """ If args is empty, assertRaises/Warns is being used as a context manager, so check for a 'msg' kwarg and return self. If args is not empty, call a callable passing positional and keyword arguments. """ try: if not _is_subtype(self.expected, self._base_type): raise TypeError('%s() arg 1 must be %s' % (name, self._base_type_str)) if not args: self.msg = kwargs.pop('msg', None) if kwargs: raise TypeError('%r is an invalid keyword argument for ' 'this function' % (next(iter(kwargs)),)) return self callable_obj, *args = args try: self.obj_name = callable_obj.__name__ except AttributeError: self.obj_name = str(callable_obj) with self: callable_obj(*args, **kwargs) finally: # bpo-23890: manually break a reference cycle self = None class _AssertRaisesContext(_AssertRaisesBaseContext): """A context manager used to implement TestCase.assertRaises* methods.""" _base_type = BaseException _base_type_str = 'an exception type or tuple of exception types' def __enter__(self): return self def __exit__(self, exc_type, exc_value, tb): if exc_type is None: try: exc_name = self.expected.__name__ except AttributeError: exc_name = str(self.expected) if self.obj_name: self._raiseFailure("{} not raised by {}".format(exc_name, self.obj_name)) else: self._raiseFailure("{} not raised".format(exc_name)) else: traceback.clear_frames(tb) if not issubclass(exc_type, self.expected): # let unexpected exceptions pass through return False # store exception, without traceback, for later retrieval self.exception = exc_value.with_traceback(None) if self.expected_regex is None: return True expected_regex = self.expected_regex if not expected_regex.search(str(exc_value)): self._raiseFailure('"{}" does not match "{}"'.format( expected_regex.pattern, str(exc_value))) return True class _AssertWarnsContext(_AssertRaisesBaseContext): """A context manager used to implement TestCase.assertWarns* methods.""" _base_type = Warning _base_type_str = 'a warning type or tuple of warning types' def __enter__(self): # The __warningregistry__'s need to be in a pristine state for tests # to work properly. for v in list(sys.modules.values()): if getattr(v, '__warningregistry__', None): v.__warningregistry__ = {} self.warnings_manager = warnings.catch_warnings(record=True) self.warnings = self.warnings_manager.__enter__() warnings.simplefilter("always", self.expected) return self def __exit__(self, exc_type, exc_value, tb): self.warnings_manager.__exit__(exc_type, exc_value, tb) if exc_type is not None: # let unexpected exceptions pass through return try: exc_name = self.expected.__name__ except AttributeError: exc_name = str(self.expected) first_matching = None for m in self.warnings: w = m.message if not isinstance(w, self.expected): continue if first_matching is None: first_matching = w if (self.expected_regex is not None and not self.expected_regex.search(str(w))): continue # store warning for later retrieval self.warning = w self.filename = m.filename self.lineno = m.lineno return # Now we simply try to choose a helpful failure message if first_matching is not None: self._raiseFailure('"{}" does not match "{}"'.format( self.expected_regex.pattern, str(first_matching))) if self.obj_name: self._raiseFailure("{} not triggered by {}".format(exc_name, self.obj_name)) else: self._raiseFailure("{} not triggered".format(exc_name)) _LoggingWatcher = collections.namedtuple("_LoggingWatcher", ["records", "output"]) class _CapturingHandler(logging.Handler): """ A logging handler capturing all (raw and formatted) logging output. """ def __init__(self): logging.Handler.__init__(self) self.watcher = _LoggingWatcher([], []) def flush(self): pass def emit(self, record): self.watcher.records.append(record) msg = self.format(record) self.watcher.output.append(msg) class _AssertLogsContext(_BaseTestCaseContext): """A context manager used to implement TestCase.assertLogs().""" LOGGING_FORMAT = "%(levelname)s:%(name)s:%(message)s" def __init__(self, test_case, logger_name, level): _BaseTestCaseContext.__init__(self, test_case) self.logger_name = logger_name if level: self.level = logging._nameToLevel.get(level, level) else: self.level = logging.INFO self.msg = None def __enter__(self): if isinstance(self.logger_name, logging.Logger): logger = self.logger = self.logger_name else: logger = self.logger = logging.getLogger(self.logger_name) formatter = logging.Formatter(self.LOGGING_FORMAT) handler = _CapturingHandler() handler.setFormatter(formatter) self.watcher = handler.watcher self.old_handlers = logger.handlers[:] self.old_level = logger.level self.old_propagate = logger.propagate logger.handlers = [handler] logger.setLevel(self.level) logger.propagate = False return handler.watcher def __exit__(self, exc_type, exc_value, tb): self.logger.handlers = self.old_handlers self.logger.propagate = self.old_propagate self.logger.setLevel(self.old_level) if exc_type is not None: # let unexpected exceptions pass through return False if len(self.watcher.records) == 0: self._raiseFailure( "no logs of level {} or higher triggered on {}" .format(logging.getLevelName(self.level), self.logger.name)) class _OrderedChainMap(collections.ChainMap): def __iter__(self): seen = set() for mapping in self.maps: for k in mapping: if k not in seen: seen.add(k) yield k class TestCase(object): """A class whose instances are single test cases. By default, the test code itself should be placed in a method named 'runTest'. If the fixture may be used for many test cases, create as many test methods as are needed. When instantiating such a TestCase subclass, specify in the constructor arguments the name of the test method that the instance is to execute. Test authors should subclass TestCase for their own tests. Construction and deconstruction of the test's environment ('fixture') can be implemented by overriding the 'setUp' and 'tearDown' methods respectively. If it is necessary to override the __init__ method, the base class __init__ method must always be called. It is important that subclasses should not change the signature of their __init__ method, since instances of the classes are instantiated automatically by parts of the framework in order to be run. When subclassing TestCase, you can set these attributes: * failureException: determines which exception will be raised when the instance's assertion methods fail; test methods raising this exception will be deemed to have 'failed' rather than 'errored'. * longMessage: determines whether long messages (including repr of objects used in assert methods) will be printed on failure in *addition* to any explicit message passed. * maxDiff: sets the maximum length of a diff in failure messages by assert methods using difflib. It is looked up as an instance attribute so can be configured by individual tests if required. """ failureException = AssertionError longMessage = True maxDiff = 80*8 # If a string is longer than _diffThreshold, use normal comparison instead # of difflib. See #11763. _diffThreshold = 2**16 # Attribute used by TestSuite for classSetUp _classSetupFailed = False _class_cleanups = [] def __init__(self, methodName='runTest'): """Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name. """ self._testMethodName = methodName self._outcome = None self._testMethodDoc = 'No test' try: testMethod = getattr(self, methodName) except AttributeError: if methodName != 'runTest': # we allow instantiation with no explicit method name # but not an *incorrect* or missing method name raise ValueError("no such test method in %s: %s" % (self.__class__, methodName)) else: self._testMethodDoc = testMethod.__doc__ self._cleanups = [] self._subtest = None # Map types to custom assertEqual functions that will compare # instances of said type in more detail to generate a more useful # error message. self._type_equality_funcs = {} self.addTypeEqualityFunc(dict, 'assertDictEqual') self.addTypeEqualityFunc(list, 'assertListEqual') self.addTypeEqualityFunc(tuple, 'assertTupleEqual') self.addTypeEqualityFunc(set, 'assertSetEqual') self.addTypeEqualityFunc(frozenset, 'assertSetEqual') self.addTypeEqualityFunc(str, 'assertMultiLineEqual') def addTypeEqualityFunc(self, typeobj, function): """Add a type specific assertEqual style function to compare a type. This method is for use by TestCase subclasses that need to register their own type equality functions to provide nicer error messages. Args: typeobj: The data type to call this function on when both values are of the same type in assertEqual(). function: The callable taking two arguments and an optional msg= argument that raises self.failureException with a useful error message when the two arguments are not equal. """ self._type_equality_funcs[typeobj] = function def addCleanup(*args, **kwargs): """Add a function, with arguments, to be called when the test is completed. Functions added are called on a LIFO basis and are called after tearDown on test failure or success. Cleanup items are called even if setUp fails (unlike tearDown).""" if len(args) >= 2: self, function, *args = args elif not args: raise TypeError("descriptor 'addCleanup' of 'TestCase' object " "needs an argument") elif 'function' in kwargs: function = kwargs.pop('function') self, *args = args import warnings warnings.warn("Passing 'function' as keyword argument is deprecated", DeprecationWarning, stacklevel=2) else: raise TypeError('addCleanup expected at least 1 positional ' 'argument, got %d' % (len(args)-1)) args = tuple(args) self._cleanups.append((function, args, kwargs)) addCleanup.__text_signature__ = '($self, function, /, *args, **kwargs)' @classmethod def addClassCleanup(cls, function, /, *args, **kwargs): """Same as addCleanup, except the cleanup items are called even if setUpClass fails (unlike tearDownClass).""" cls._class_cleanups.append((function, args, kwargs)) def setUp(self): "Hook method for setting up the test fixture before exercising it." pass def tearDown(self): "Hook method for deconstructing the test fixture after testing it." pass @classmethod def setUpClass(cls): "Hook method for setting up class fixture before running tests in the class." @classmethod def tearDownClass(cls): "Hook method for deconstructing the class fixture after running all tests in the class." def countTestCases(self): return 1 def defaultTestResult(self): return result.TestResult() def shortDescription(self): """Returns a one-line description of the test, or None if no description has been provided. The default implementation of this method returns the first line of the specified test method's docstring. """ doc = self._testMethodDoc return doc.strip().split("\n")[0].strip() if doc else None def id(self): return "%s.%s" % (strclass(self.__class__), self._testMethodName) def __eq__(self, other): if type(self) is not type(other): return NotImplemented return self._testMethodName == other._testMethodName def __hash__(self): return hash((type(self), self._testMethodName)) def __str__(self): return "%s (%s)" % (self._testMethodName, strclass(self.__class__)) def __repr__(self): return "<%s testMethod=%s>" % \ (strclass(self.__class__), self._testMethodName) def _addSkip(self, result, test_case, reason): addSkip = getattr(result, 'addSkip', None) if addSkip is not None: addSkip(test_case, reason) else: warnings.warn("TestResult has no addSkip method, skips not reported", RuntimeWarning, 2) result.addSuccess(test_case) @contextlib.contextmanager def subTest(self, msg=_subtest_msg_sentinel, **params): """Return a context manager that will return the enclosed block of code in a subtest identified by the optional message and keyword parameters. A failure in the subtest marks the test case as failed but resumes execution at the end of the enclosed block, allowing further test code to be executed. """ if self._outcome is None or not self._outcome.result_supports_subtests: yield return parent = self._subtest if parent is None: params_map = _OrderedChainMap(params) else: params_map = parent.params.new_child(params) self._subtest = _SubTest(self, msg, params_map) try: with self._outcome.testPartExecutor(self._subtest, isTest=True): yield if not self._outcome.success: result = self._outcome.result if result is not None and result.failfast: raise _ShouldStop elif self._outcome.expectedFailure: # If the test is expecting a failure, we really want to # stop now and register the expected failure. raise _ShouldStop finally: self._subtest = parent def _feedErrorsToResult(self, result, errors): for test, exc_info in errors: if isinstance(test, _SubTest): result.addSubTest(test.test_case, test, exc_info) elif exc_info is not None: if issubclass(exc_info[0], self.failureException): result.addFailure(test, exc_info) else: result.addError(test, exc_info) def _addExpectedFailure(self, result, exc_info): try: addExpectedFailure = result.addExpectedFailure except AttributeError: warnings.warn("TestResult has no addExpectedFailure method, reporting as passes", RuntimeWarning) result.addSuccess(self) else: addExpectedFailure(self, exc_info) def _addUnexpectedSuccess(self, result): try: addUnexpectedSuccess = result.addUnexpectedSuccess except AttributeError: warnings.warn("TestResult has no addUnexpectedSuccess method, reporting as failure", RuntimeWarning) # We need to pass an actual exception and traceback to addFailure, # otherwise the legacy result can choke. try: raise _UnexpectedSuccess from None except _UnexpectedSuccess: result.addFailure(self, sys.exc_info()) else: addUnexpectedSuccess(self) def _callSetUp(self): self.setUp() def _callTestMethod(self, method): method() def _callTearDown(self): self.tearDown() def _callCleanup(self, function, /, *args, **kwargs): function(*args, **kwargs) def run(self, result=None): orig_result = result if result is None: result = self.defaultTestResult() startTestRun = getattr(result, 'startTestRun', None) if startTestRun is not None: startTestRun() result.startTest(self) testMethod = getattr(self, self._testMethodName) if (getattr(self.__class__, "__unittest_skip__", False) or getattr(testMethod, "__unittest_skip__", False)): # If the class or method was skipped. try: skip_why = (getattr(self.__class__, '__unittest_skip_why__', '') or getattr(testMethod, '__unittest_skip_why__', '')) self._addSkip(result, self, skip_why) finally: result.stopTest(self) return expecting_failure_method = getattr(testMethod, "__unittest_expecting_failure__", False) expecting_failure_class = getattr(self, "__unittest_expecting_failure__", False) expecting_failure = expecting_failure_class or expecting_failure_method outcome = _Outcome(result) try: self._outcome = outcome with outcome.testPartExecutor(self): self._callSetUp() if outcome.success: outcome.expecting_failure = expecting_failure with outcome.testPartExecutor(self, isTest=True): self._callTestMethod(testMethod) outcome.expecting_failure = False with outcome.testPartExecutor(self): self._callTearDown() self.doCleanups() for test, reason in outcome.skipped: self._addSkip(result, test, reason) self._feedErrorsToResult(result, outcome.errors) if outcome.success: if expecting_failure: if outcome.expectedFailure: self._addExpectedFailure(result, outcome.expectedFailure) else: self._addUnexpectedSuccess(result) else: result.addSuccess(self) return result finally: result.stopTest(self) if orig_result is None: stopTestRun = getattr(result, 'stopTestRun', None) if stopTestRun is not None: stopTestRun() # explicitly break reference cycles: # outcome.errors -> frame -> outcome -> outcome.errors # outcome.expectedFailure -> frame -> outcome -> outcome.expectedFailure outcome.errors.clear() outcome.expectedFailure = None # clear the outcome, no more needed self._outcome = None def doCleanups(self): """Execute all cleanup functions. Normally called for you after tearDown.""" outcome = self._outcome or _Outcome() while self._cleanups: function, args, kwargs = self._cleanups.pop() with outcome.testPartExecutor(self): self._callCleanup(function, *args, **kwargs) # return this for backwards compatibility # even though we no longer use it internally return outcome.success @classmethod def doClassCleanups(cls): """Execute all class cleanup functions. Normally called for you after tearDownClass.""" cls.tearDown_exceptions = [] while cls._class_cleanups: function, args, kwargs = cls._class_cleanups.pop() try: function(*args, **kwargs) except Exception as exc: cls.tearDown_exceptions.append(sys.exc_info()) def __call__(self, *args, **kwds): return self.run(*args, **kwds) def debug(self): """Run the test without collecting errors in a TestResult""" self.setUp() getattr(self, self._testMethodName)() self.tearDown() while self._cleanups: function, args, kwargs = self._cleanups.pop(-1) function(*args, **kwargs) def skipTest(self, reason): """Skip this test.""" raise SkipTest(reason) def fail(self, msg=None): """Fail immediately, with the given message.""" raise self.failureException(msg) def assertFalse(self, expr, msg=None): """Check that the expression is false.""" if expr: msg = self._formatMessage(msg, "%s is not false" % safe_repr(expr)) raise self.failureException(msg) def assertTrue(self, expr, msg=None): """Check that the expression is true.""" if not expr: msg = self._formatMessage(msg, "%s is not true" % safe_repr(expr)) raise self.failureException(msg) def _formatMessage(self, msg, standardMsg): """Honour the longMessage attribute when generating failure messages. If longMessage is False this means: * Use only an explicit message if it is provided * Otherwise use the standard message for the assert If longMessage is True: * Use the standard message * If an explicit message is provided, plus ' : ' and the explicit message """ if not self.longMessage: return msg or standardMsg if msg is None: return standardMsg try: # don't switch to '{}' formatting in Python 2.X # it changes the way unicode input is handled return '%s : %s' % (standardMsg, msg) except UnicodeDecodeError: return '%s : %s' % (safe_repr(standardMsg), safe_repr(msg)) def assertRaises(self, expected_exception, *args, **kwargs): """Fail unless an exception of class expected_exception is raised by the callable when invoked with specified positional and keyword arguments. If a different type of exception is raised, it will not be caught, and the test case will be deemed to have suffered an error, exactly as for an unexpected exception. If called with the callable and arguments omitted, will return a context object used like this:: with self.assertRaises(SomeException): do_something() An optional keyword argument 'msg' can be provided when assertRaises is used as a context object. The context manager keeps a reference to the exception as the 'exception' attribute. This allows you to inspect the exception after the assertion:: with self.assertRaises(SomeException) as cm: do_something() the_exception = cm.exception self.assertEqual(the_exception.error_code, 3) """ context = _AssertRaisesContext(expected_exception, self) try: return context.handle('assertRaises', args, kwargs) finally: # bpo-23890: manually break a reference cycle context = None def assertWarns(self, expected_warning, *args, **kwargs): """Fail unless a warning of class warnClass is triggered by the callable when invoked with specified positional and keyword arguments. If a different type of warning is triggered, it will not be handled: depending on the other warning filtering rules in effect, it might be silenced, printed out, or raised as an exception. If called with the callable and arguments omitted, will return a context object used like this:: with self.assertWarns(SomeWarning): do_something() An optional keyword argument 'msg' can be provided when assertWarns is used as a context object. The context manager keeps a reference to the first matching warning as the 'warning' attribute; similarly, the 'filename' and 'lineno' attributes give you information about the line of Python code from which the warning was triggered. This allows you to inspect the warning after the assertion:: with self.assertWarns(SomeWarning) as cm: do_something() the_warning = cm.warning self.assertEqual(the_warning.some_attribute, 147) """ context = _AssertWarnsContext(expected_warning, self) return context.handle('assertWarns', args, kwargs) def assertLogs(self, logger=None, level=None): """Fail unless a log message of level *level* or higher is emitted on *logger_name* or its children. If omitted, *level* defaults to INFO and *logger* defaults to the root logger. This method must be used as a context manager, and will yield a recording object with two attributes: `output` and `records`. At the end of the context manager, the `output` attribute will be a list of the matching formatted log messages and the `records` attribute will be a list of the corresponding LogRecord objects. Example:: with self.assertLogs('foo', level='INFO') as cm: logging.getLogger('foo').info('first message') logging.getLogger('foo.bar').error('second message') self.assertEqual(cm.output, ['INFO:foo:first message', 'ERROR:foo.bar:second message']) """ return _AssertLogsContext(self, logger, level) def _getAssertEqualityFunc(self, first, second): """Get a detailed comparison function for the types of the two args. Returns: A callable accepting (first, second, msg=None) that will raise a failure exception if first != second with a useful human readable error message for those types. """ # # NOTE(gregory.p.smith): I considered isinstance(first, type(second)) # and vice versa. I opted for the conservative approach in case # subclasses are not intended to be compared in detail to their super # class instances using a type equality func. This means testing # subtypes won't automagically use the detailed comparison. Callers # should use their type specific assertSpamEqual method to compare # subclasses if the detailed comparison is desired and appropriate. # See the discussion in http://bugs.python.org/issue2578. # if type(first) is type(second): asserter = self._type_equality_funcs.get(type(first)) if asserter is not None: if isinstance(asserter, str): asserter = getattr(self, asserter) return asserter return self._baseAssertEqual def _baseAssertEqual(self, first, second, msg=None): """The default assertEqual implementation, not type specific.""" if not first == second: standardMsg = '%s != %s' % _common_shorten_repr(first, second) msg = self._formatMessage(msg, standardMsg) raise self.failureException(msg) def assertEqual(self, first, second, msg=None): """Fail if the two objects are unequal as determined by the '==' operator. """ assertion_func = self._getAssertEqualityFunc(first, second) assertion_func(first, second, msg=msg) def assertNotEqual(self, first, second, msg=None): """Fail if the two objects are equal as determined by the '!=' operator. """ if not first != second: msg = self._formatMessage(msg, '%s == %s' % (safe_repr(first), safe_repr(second))) raise self.failureException(msg) def assertAlmostEqual(self, first, second, places=None, msg=None, delta=None): """Fail if the two objects are unequal as determined by their difference rounded to the given number of decimal places (default 7) and comparing to zero, or by comparing that the difference between the two objects is more than the given delta. Note that decimal places (from zero) are usually not the same as significant digits (measured from the most significant digit). If the two objects compare equal then they will automatically compare almost equal. """ if first == second: # shortcut return if delta is not None and places is not None: raise TypeError("specify delta or places not both") diff = abs(first - second) if delta is not None: if diff <= delta: return standardMsg = '%s != %s within %s delta (%s difference)' % ( safe_repr(first), safe_repr(second), safe_repr(delta), safe_repr(diff)) else: if places is None: places = 7 if round(diff, places) == 0: return standardMsg = '%s != %s within %r places (%s difference)' % ( safe_repr(first), safe_repr(second), places, safe_repr(diff)) msg = self._formatMessage(msg, standardMsg) raise self.failureException(msg) def assertNotAlmostEqual(self, first, second, places=None, msg=None, delta=None): """Fail if the two objects are equal as determined by their difference rounded to the given number of decimal places (default 7) and comparing to zero, or by comparing that the difference between the two objects is less than the given delta. Note that decimal places (from zero) are usually not the same as significant digits (measured from the most significant digit). Objects that are equal automatically fail. """ if delta is not None and places is not None: raise TypeError("specify delta or places not both") diff = abs(first - second) if delta is not None: if not (first == second) and diff > delta: return standardMsg = '%s == %s within %s delta (%s difference)' % ( safe_repr(first), safe_repr(second), safe_repr(delta), safe_repr(diff)) else: if places is None: places = 7 if not (first == second) and round(diff, places) != 0: return standardMsg = '%s == %s within %r places' % (safe_repr(first), safe_repr(second), places) msg = self._formatMessage(msg, standardMsg) raise self.failureException(msg) def assertSequenceEqual(self, seq1, seq2, msg=None, seq_type=None): """An equality assertion for ordered sequences (like lists and tuples). For the purposes of this function, a valid ordered sequence type is one which can be indexed, has a length, and has an equality operator. Args: seq1: The first sequence to compare. seq2: The second sequence to compare. seq_type: The expected datatype of the sequences, or None if no datatype should be enforced. msg: Optional message to use on failure instead of a list of differences. """ if seq_type is not None: seq_type_name = seq_type.__name__ if not isinstance(seq1, seq_type): raise self.failureException('First sequence is not a %s: %s' % (seq_type_name, safe_repr(seq1))) if not isinstance(seq2, seq_type): raise self.failureException('Second sequence is not a %s: %s' % (seq_type_name, safe_repr(seq2))) else: seq_type_name = "sequence" differing = None try: len1 = len(seq1) except (TypeError, NotImplementedError): differing = 'First %s has no length. Non-sequence?' % ( seq_type_name) if differing is None: try: len2 = len(seq2) except (TypeError, NotImplementedError): differing = 'Second %s has no length. Non-sequence?' % ( seq_type_name) if differing is None: if seq1 == seq2: return differing = '%ss differ: %s != %s\n' % ( (seq_type_name.capitalize(),) + _common_shorten_repr(seq1, seq2)) for i in range(min(len1, len2)): try: item1 = seq1[i] except (TypeError, IndexError, NotImplementedError): differing += ('\nUnable to index element %d of first %s\n' % (i, seq_type_name)) break try: item2 = seq2[i] except (TypeError, IndexError, NotImplementedError): differing += ('\nUnable to index element %d of second %s\n' % (i, seq_type_name)) break if item1 != item2: differing += ('\nFirst differing element %d:\n%s\n%s\n' % ((i,) + _common_shorten_repr(item1, item2))) break else: if (len1 == len2 and seq_type is None and type(seq1) != type(seq2)): # The sequences are the same, but have differing types. return if len1 > len2: differing += ('\nFirst %s contains %d additional ' 'elements.\n' % (seq_type_name, len1 - len2)) try: differing += ('First extra element %d:\n%s\n' % (len2, safe_repr(seq1[len2]))) except (TypeError, IndexError, NotImplementedError): differing += ('Unable to index element %d ' 'of first %s\n' % (len2, seq_type_name)) elif len1 < len2: differing += ('\nSecond %s contains %d additional ' 'elements.\n' % (seq_type_name, len2 - len1)) try: differing += ('First extra element %d:\n%s\n' % (len1, safe_repr(seq2[len1]))) except (TypeError, IndexError, NotImplementedError): differing += ('Unable to index element %d ' 'of second %s\n' % (len1, seq_type_name)) standardMsg = differing diffMsg = '\n' + '\n'.join( difflib.ndiff(pprint.pformat(seq1).splitlines(), pprint.pformat(seq2).splitlines())) standardMsg = self._truncateMessage(standardMsg, diffMsg) msg = self._formatMessage(msg, standardMsg) self.fail(msg) def _truncateMessage(self, message, diff): max_diff = self.maxDiff if max_diff is None or len(diff) <= max_diff: return message + diff return message + (DIFF_OMITTED % len(diff)) def assertListEqual(self, list1, list2, msg=None): """A list-specific equality assertion. Args: list1: The first list to compare. list2: The second list to compare. msg: Optional message to use on failure instead of a list of differences. """ self.assertSequenceEqual(list1, list2, msg, seq_type=list) def assertTupleEqual(self, tuple1, tuple2, msg=None): """A tuple-specific equality assertion. Args: tuple1: The first tuple to compare. tuple2: The second tuple to compare. msg: Optional message to use on failure instead of a list of differences. """ self.assertSequenceEqual(tuple1, tuple2, msg, seq_type=tuple) def assertSetEqual(self, set1, set2, msg=None): """A set-specific equality assertion. Args: set1: The first set to compare. set2: The second set to compare. msg: Optional message to use on failure instead of a list of differences. assertSetEqual uses ducktyping to support different types of sets, and is optimized for sets specifically (parameters must support a difference method). """ try: difference1 = set1.difference(set2) except TypeError as e: self.fail('invalid type when attempting set difference: %s' % e) except AttributeError as e: self.fail('first argument does not support set difference: %s' % e) try: difference2 = set2.difference(set1) except TypeError as e: self.fail('invalid type when attempting set difference: %s' % e) except AttributeError as e: self.fail('second argument does not support set difference: %s' % e) if not (difference1 or difference2): return lines = [] if difference1: lines.append('Items in the first set but not the second:') for item in difference1: lines.append(repr(item)) if difference2: lines.append('Items in the second set but not the first:') for item in difference2: lines.append(repr(item)) standardMsg = '\n'.join(lines) self.fail(self._formatMessage(msg, standardMsg)) def assertIn(self, member, container, msg=None): """Just like self.assertTrue(a in b), but with a nicer default message.""" if member not in container: standardMsg = '%s not found in %s' % (safe_repr(member), safe_repr(container)) self.fail(self._formatMessage(msg, standardMsg)) def assertNotIn(self, member, container, msg=None): """Just like self.assertTrue(a not in b), but with a nicer default message.""" if member in container: standardMsg = '%s unexpectedly found in %s' % (safe_repr(member), safe_repr(container)) self.fail(self._formatMessage(msg, standardMsg)) def assertIs(self, expr1, expr2, msg=None): """Just like self.assertTrue(a is b), but with a nicer default message.""" if expr1 is not expr2: standardMsg = '%s is not %s' % (safe_repr(expr1), safe_repr(expr2)) self.fail(self._formatMessage(msg, standardMsg)) def assertIsNot(self, expr1, expr2, msg=None): """Just like self.assertTrue(a is not b), but with a nicer default message.""" if expr1 is expr2: standardMsg = 'unexpectedly identical: %s' % (safe_repr(expr1),) self.fail(self._formatMessage(msg, standardMsg)) def assertDictEqual(self, d1, d2, msg=None): self.assertIsInstance(d1, dict, 'First argument is not a dictionary') self.assertIsInstance(d2, dict, 'Second argument is not a dictionary') if d1 != d2: standardMsg = '%s != %s' % _common_shorten_repr(d1, d2) diff = ('\n' + '\n'.join(difflib.ndiff( pprint.pformat(d1).splitlines(), pprint.pformat(d2).splitlines()))) standardMsg = self._truncateMessage(standardMsg, diff) self.fail(self._formatMessage(msg, standardMsg)) def assertDictContainsSubset(self, subset, dictionary, msg=None): """Checks whether dictionary is a superset of subset.""" warnings.warn('assertDictContainsSubset is deprecated', DeprecationWarning) missing = [] mismatched = [] for key, value in subset.items(): if key not in dictionary: missing.append(key) elif value != dictionary[key]: mismatched.append('%s, expected: %s, actual: %s' % (safe_repr(key), safe_repr(value), safe_repr(dictionary[key]))) if not (missing or mismatched): return standardMsg = '' if missing: standardMsg = 'Missing: %s' % ','.join(safe_repr(m) for m in missing) if mismatched: if standardMsg: standardMsg += '; ' standardMsg += 'Mismatched values: %s' % ','.join(mismatched) self.fail(self._formatMessage(msg, standardMsg)) def assertCountEqual(self, first, second, msg=None): """Asserts that two iterables have the same elements, the same number of times, without regard to order. self.assertEqual(Counter(list(first)), Counter(list(second))) Example: - [0, 1, 1] and [1, 0, 1] compare equal. - [0, 0, 1] and [0, 1] compare unequal. """ first_seq, second_seq = list(first), list(second) try: first = collections.Counter(first_seq) second = collections.Counter(second_seq) except TypeError: # Handle case with unhashable elements differences = _count_diff_all_purpose(first_seq, second_seq) else: if first == second: return differences = _count_diff_hashable(first_seq, second_seq) if differences: standardMsg = 'Element counts were not equal:\n' lines = ['First has %d, Second has %d: %r' % diff for diff in differences] diffMsg = '\n'.join(lines) standardMsg = self._truncateMessage(standardMsg, diffMsg) msg = self._formatMessage(msg, standardMsg) self.fail(msg) def assertMultiLineEqual(self, first, second, msg=None): """Assert that two multi-line strings are equal.""" self.assertIsInstance(first, str, 'First argument is not a string') self.assertIsInstance(second, str, 'Second argument is not a string') if first != second: # don't use difflib if the strings are too long if (len(first) > self._diffThreshold or len(second) > self._diffThreshold): self._baseAssertEqual(first, second, msg) firstlines = first.splitlines(keepends=True) secondlines = second.splitlines(keepends=True) if len(firstlines) == 1 and first.strip('\r\n') == first: firstlines = [first + '\n'] secondlines = [second + '\n'] standardMsg = '%s != %s' % _common_shorten_repr(first, second) diff = '\n' + ''.join(difflib.ndiff(firstlines, secondlines)) standardMsg = self._truncateMessage(standardMsg, diff) self.fail(self._formatMessage(msg, standardMsg)) def assertLess(self, a, b, msg=None): """Just like self.assertTrue(a < b), but with a nicer default message.""" if not a < b: standardMsg = '%s not less than %s' % (safe_repr(a), safe_repr(b)) self.fail(self._formatMessage(msg, standardMsg)) def assertLessEqual(self, a, b, msg=None): """Just like self.assertTrue(a <= b), but with a nicer default message.""" if not a <= b: standardMsg = '%s not less than or equal to %s' % (safe_repr(a), safe_repr(b)) self.fail(self._formatMessage(msg, standardMsg)) def assertGreater(self, a, b, msg=None): """Just like self.assertTrue(a > b), but with a nicer default message.""" if not a > b: standardMsg = '%s not greater than %s' % (safe_repr(a), safe_repr(b)) self.fail(self._formatMessage(msg, standardMsg)) def assertGreaterEqual(self, a, b, msg=None): """Just like self.assertTrue(a >= b), but with a nicer default message.""" if not a >= b: standardMsg = '%s not greater than or equal to %s' % (safe_repr(a), safe_repr(b)) self.fail(self._formatMessage(msg, standardMsg)) def assertIsNone(self, obj, msg=None): """Same as self.assertTrue(obj is None), with a nicer default message.""" if obj is not None: standardMsg = '%s is not None' % (safe_repr(obj),) self.fail(self._formatMessage(msg, standardMsg)) def assertIsNotNone(self, obj, msg=None): """Included for symmetry with assertIsNone.""" if obj is None: standardMsg = 'unexpectedly None' self.fail(self._formatMessage(msg, standardMsg)) def assertIsInstance(self, obj, cls, msg=None): """Same as self.assertTrue(isinstance(obj, cls)), with a nicer default message.""" if not isinstance(obj, cls): standardMsg = '%s is not an instance of %r' % (safe_repr(obj), cls) self.fail(self._formatMessage(msg, standardMsg)) def assertNotIsInstance(self, obj, cls, msg=None): """Included for symmetry with assertIsInstance.""" if isinstance(obj, cls): standardMsg = '%s is an instance of %r' % (safe_repr(obj), cls) self.fail(self._formatMessage(msg, standardMsg)) def assertRaisesRegex(self, expected_exception, expected_regex, *args, **kwargs): """Asserts that the message in a raised exception matches a regex. Args: expected_exception: Exception class expected to be raised. expected_regex: Regex (re.Pattern object or string) expected to be found in error message. args: Function to be called and extra positional args. kwargs: Extra kwargs. msg: Optional message used in case of failure. Can only be used when assertRaisesRegex is used as a context manager. """ context = _AssertRaisesContext(expected_exception, self, expected_regex) return context.handle('assertRaisesRegex', args, kwargs) def assertWarnsRegex(self, expected_warning, expected_regex, *args, **kwargs): """Asserts that the message in a triggered warning matches a regexp. Basic functioning is similar to assertWarns() with the addition that only warnings whose messages also match the regular expression are considered successful matches. Args: expected_warning: Warning class expected to be triggered. expected_regex: Regex (re.Pattern object or string) expected to be found in error message. args: Function to be called and extra positional args. kwargs: Extra kwargs. msg: Optional message used in case of failure. Can only be used when assertWarnsRegex is used as a context manager. """ context = _AssertWarnsContext(expected_warning, self, expected_regex) return context.handle('assertWarnsRegex', args, kwargs) def assertRegex(self, text, expected_regex, msg=None): """Fail the test unless the text matches the regular expression.""" if isinstance(expected_regex, (str, bytes)): assert expected_regex, "expected_regex must not be empty." expected_regex = re.compile(expected_regex) if not expected_regex.search(text): standardMsg = "Regex didn't match: %r not found in %r" % ( expected_regex.pattern, text) # _formatMessage ensures the longMessage option is respected msg = self._formatMessage(msg, standardMsg) raise self.failureException(msg) def assertNotRegex(self, text, unexpected_regex, msg=None): """Fail the test if the text matches the regular expression.""" if isinstance(unexpected_regex, (str, bytes)): unexpected_regex = re.compile(unexpected_regex) match = unexpected_regex.search(text) if match: standardMsg = 'Regex matched: %r matches %r in %r' % ( text[match.start() : match.end()], unexpected_regex.pattern, text) # _formatMessage ensures the longMessage option is respected msg = self._formatMessage(msg, standardMsg) raise self.failureException(msg) def _deprecate(original_func): def deprecated_func(*args, **kwargs): warnings.warn( 'Please use {0} instead.'.format(original_func.__name__), DeprecationWarning, 2) return original_func(*args, **kwargs) return deprecated_func # see #9424 failUnlessEqual = assertEquals = _deprecate(assertEqual) failIfEqual = assertNotEquals = _deprecate(assertNotEqual) failUnlessAlmostEqual = assertAlmostEquals = _deprecate(assertAlmostEqual) failIfAlmostEqual = assertNotAlmostEquals = _deprecate(assertNotAlmostEqual) failUnless = assert_ = _deprecate(assertTrue) failUnlessRaises = _deprecate(assertRaises) failIf = _deprecate(assertFalse) assertRaisesRegexp = _deprecate(assertRaisesRegex) assertRegexpMatches = _deprecate(assertRegex) assertNotRegexpMatches = _deprecate(assertNotRegex) class FunctionTestCase(TestCase): """A test case that wraps a test function. This is useful for slipping pre-existing test functions into the unittest framework. Optionally, set-up and tidy-up functions can be supplied. As with TestCase, the tidy-up ('tearDown') function will always be called if the set-up ('setUp') function ran successfully. """ def __init__(self, testFunc, setUp=None, tearDown=None, description=None): super(FunctionTestCase, self).__init__() self._setUpFunc = setUp self._tearDownFunc = tearDown self._testFunc = testFunc self._description = description def setUp(self): if self._setUpFunc is not None: self._setUpFunc() def tearDown(self): if self._tearDownFunc is not None: self._tearDownFunc() def runTest(self): self._testFunc() def id(self): return self._testFunc.__name__ def __eq__(self, other): if not isinstance(other, self.__class__): return NotImplemented return self._setUpFunc == other._setUpFunc and \ self._tearDownFunc == other._tearDownFunc and \ self._testFunc == other._testFunc and \ self._description == other._description def __hash__(self): return hash((type(self), self._setUpFunc, self._tearDownFunc, self._testFunc, self._description)) def __str__(self): return "%s (%s)" % (strclass(self.__class__), self._testFunc.__name__) def __repr__(self): return "<%s tec=%s>" % (strclass(self.__class__), self._testFunc) def shortDescription(self): if self._description is not None: return self._description doc = self._testFunc.__doc__ return doc and doc.split("\n")[0].strip() or None class _SubTest(TestCase): def __init__(self, test_case, message, params): super().__init__() self._message = message self.test_case = test_case self.params = params self.failureException = test_case.failureException def runTest(self): raise NotImplementedError("subtests cannot be run directly") def _subDescription(self): parts = [] if self._message is not _subtest_msg_sentinel: parts.append("[{}]".format(self._message)) if self.params: params_desc = ', '.join( "{}={!r}".format(k, v) for (k, v) in self.params.items()) parts.append("({})".format(params_desc)) return " ".join(parts) or '(<subtest>)' def id(self): return "{} {}".format(self.test_case.id(), self._subDescription()) def shortDescription(self): """Returns a one-line description of the subtest, or None if no description has been provided. """ return self.test_case.shortDescription() def __str__(self): return "{} {}".format(self.test_case, self._subDescription()) PK ��[�N�X �X loader.pynu �[��� """Loading unittests.""" import os import re import sys import traceback import types import functools import warnings from fnmatch import fnmatch, fnmatchcase from . import case, suite, util __unittest = True # what about .pyc (etc) # we would need to avoid loading the same tests multiple times # from '.py', *and* '.pyc' VALID_MODULE_NAME = re.compile(r'[_a-z]\w*\.py$', re.IGNORECASE) class _FailedTest(case.TestCase): _testMethodName = None def __init__(self, method_name, exception): self._exception = exception super(_FailedTest, self).__init__(method_name) def __getattr__(self, name): if name != self._testMethodName: return super(_FailedTest, self).__getattr__(name) def testFailure(): raise self._exception return testFailure def _make_failed_import_test(name, suiteClass): message = 'Failed to import test module: %s\n%s' % ( name, traceback.format_exc()) return _make_failed_test(name, ImportError(message), suiteClass, message) def _make_failed_load_tests(name, exception, suiteClass): message = 'Failed to call load_tests:\n%s' % (traceback.format_exc(),) return _make_failed_test( name, exception, suiteClass, message) def _make_failed_test(methodname, exception, suiteClass, message): test = _FailedTest(methodname, exception) return suiteClass((test,)), message def _make_skipped_test(methodname, exception, suiteClass): @case.skip(str(exception)) def testSkipped(self): pass attrs = {methodname: testSkipped} TestClass = type("ModuleSkipped", (case.TestCase,), attrs) return suiteClass((TestClass(methodname),)) def _jython_aware_splitext(path): if path.lower().endswith('$py.class'): return path[:-9] return os.path.splitext(path)[0] class TestLoader(object): """ This class is responsible for loading tests according to various criteria and returning them wrapped in a TestSuite """ testMethodPrefix = 'test' sortTestMethodsUsing = staticmethod(util.three_way_cmp) testNamePatterns = None suiteClass = suite.TestSuite _top_level_dir = None def __init__(self): super(TestLoader, self).__init__() self.errors = [] # Tracks packages which we have called into via load_tests, to # avoid infinite re-entrancy. self._loading_packages = set() def loadTestsFromTestCase(self, testCaseClass): """Return a suite of all test cases contained in testCaseClass""" if issubclass(testCaseClass, suite.TestSuite): raise TypeError("Test cases should not be derived from " "TestSuite. Maybe you meant to derive from " "TestCase?") testCaseNames = self.getTestCaseNames(testCaseClass) if not testCaseNames and hasattr(testCaseClass, 'runTest'): testCaseNames = ['runTest'] loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames)) return loaded_suite # XXX After Python 3.5, remove backward compatibility hacks for # use_load_tests deprecation via *args and **kws. See issue 16662. def loadTestsFromModule(self, module, *args, pattern=None, **kws): """Return a suite of all test cases contained in the given module""" # This method used to take an undocumented and unofficial # use_load_tests argument. For backward compatibility, we still # accept the argument (which can also be the first position) but we # ignore it and issue a deprecation warning if it's present. if len(args) > 0 or 'use_load_tests' in kws: warnings.warn('use_load_tests is deprecated and ignored', DeprecationWarning) kws.pop('use_load_tests', None) if len(args) > 1: # Complain about the number of arguments, but don't forget the # required `module` argument. complaint = len(args) + 1 raise TypeError('loadTestsFromModule() takes 1 positional argument but {} were given'.format(complaint)) if len(kws) != 0: # Since the keyword arguments are unsorted (see PEP 468), just # pick the alphabetically sorted first argument to complain about, # if multiple were given. At least the error message will be # predictable. complaint = sorted(kws)[0] raise TypeError("loadTestsFromModule() got an unexpected keyword argument '{}'".format(complaint)) tests = [] for name in dir(module): obj = getattr(module, name) if isinstance(obj, type) and issubclass(obj, case.TestCase): tests.append(self.loadTestsFromTestCase(obj)) load_tests = getattr(module, 'load_tests', None) tests = self.suiteClass(tests) if load_tests is not None: try: return load_tests(self, tests, pattern) except Exception as e: error_case, error_message = _make_failed_load_tests( module.__name__, e, self.suiteClass) self.errors.append(error_message) return error_case return tests def loadTestsFromName(self, name, module=None): """Return a suite of all test cases given a string specifier. The name may resolve either to a module, a test case class, a test method within a test case class, or a callable object which returns a TestCase or TestSuite instance. The method optionally resolves the names relative to a given module. """ parts = name.split('.') error_case, error_message = None, None if module is None: parts_copy = parts[:] while parts_copy: try: module_name = '.'.join(parts_copy) module = __import__(module_name) break except ImportError: next_attribute = parts_copy.pop() # Last error so we can give it to the user if needed. error_case, error_message = _make_failed_import_test( next_attribute, self.suiteClass) if not parts_copy: # Even the top level import failed: report that error. self.errors.append(error_message) return error_case parts = parts[1:] obj = module for part in parts: try: parent, obj = obj, getattr(obj, part) except AttributeError as e: # We can't traverse some part of the name. if (getattr(obj, '__path__', None) is not None and error_case is not None): # This is a package (no __path__ per importlib docs), and we # encountered an error importing something. We cannot tell # the difference between package.WrongNameTestClass and # package.wrong_module_name so we just report the # ImportError - it is more informative. self.errors.append(error_message) return error_case else: # Otherwise, we signal that an AttributeError has occurred. error_case, error_message = _make_failed_test( part, e, self.suiteClass, 'Failed to access attribute:\n%s' % ( traceback.format_exc(),)) self.errors.append(error_message) return error_case if isinstance(obj, types.ModuleType): return self.loadTestsFromModule(obj) elif isinstance(obj, type) and issubclass(obj, case.TestCase): return self.loadTestsFromTestCase(obj) elif (isinstance(obj, types.FunctionType) and isinstance(parent, type) and issubclass(parent, case.TestCase)): name = parts[-1] inst = parent(name) # static methods follow a different path if not isinstance(getattr(inst, name), types.FunctionType): return self.suiteClass([inst]) elif isinstance(obj, suite.TestSuite): return obj if callable(obj): test = obj() if isinstance(test, suite.TestSuite): return test elif isinstance(test, case.TestCase): return self.suiteClass([test]) else: raise TypeError("calling %s returned %s, not a test" % (obj, test)) else: raise TypeError("don't know how to make test from: %s" % obj) def loadTestsFromNames(self, names, module=None): """Return a suite of all test cases found using the given sequence of string specifiers. See 'loadTestsFromName()'. """ suites = [self.loadTestsFromName(name, module) for name in names] return self.suiteClass(suites) def getTestCaseNames(self, testCaseClass): """Return a sorted sequence of method names found within testCaseClass """ def shouldIncludeMethod(attrname): if not attrname.startswith(self.testMethodPrefix): return False testFunc = getattr(testCaseClass, attrname) if not callable(testFunc): return False fullName = f'%s.%s.%s' % ( testCaseClass.__module__, testCaseClass.__qualname__, attrname ) return self.testNamePatterns is None or \ any(fnmatchcase(fullName, pattern) for pattern in self.testNamePatterns) testFnNames = list(filter(shouldIncludeMethod, dir(testCaseClass))) if self.sortTestMethodsUsing: testFnNames.sort(key=functools.cmp_to_key(self.sortTestMethodsUsing)) return testFnNames def discover(self, start_dir, pattern='test*.py', top_level_dir=None): """Find and return all test modules from the specified start directory, recursing into subdirectories to find them and return all tests found within them. Only test files that match the pattern will be loaded. (Using shell style pattern matching.) All test modules must be importable from the top level of the project. If the start directory is not the top level directory then the top level directory must be specified separately. If a test package name (directory with '__init__.py') matches the pattern then the package will be checked for a 'load_tests' function. If this exists then it will be called with (loader, tests, pattern) unless the package has already had load_tests called from the same discovery invocation, in which case the package module object is not scanned for tests - this ensures that when a package uses discover to further discover child tests that infinite recursion does not happen. If load_tests exists then discovery does *not* recurse into the package, load_tests is responsible for loading all tests in the package. The pattern is deliberately not stored as a loader attribute so that packages can continue discovery themselves. top_level_dir is stored so load_tests does not need to pass this argument in to loader.discover(). Paths are sorted before being imported to ensure reproducible execution order even on filesystems with non-alphabetical ordering like ext3/4. """ set_implicit_top = False if top_level_dir is None and self._top_level_dir is not None: # make top_level_dir optional if called from load_tests in a package top_level_dir = self._top_level_dir elif top_level_dir is None: set_implicit_top = True top_level_dir = start_dir top_level_dir = os.path.abspath(top_level_dir) if not top_level_dir in sys.path: # all test modules must be importable from the top level directory # should we *unconditionally* put the start directory in first # in sys.path to minimise likelihood of conflicts between installed # modules and development versions? sys.path.insert(0, top_level_dir) self._top_level_dir = top_level_dir is_not_importable = False is_namespace = False tests = [] if os.path.isdir(os.path.abspath(start_dir)): start_dir = os.path.abspath(start_dir) if start_dir != top_level_dir: is_not_importable = not os.path.isfile(os.path.join(start_dir, '__init__.py')) else: # support for discovery from dotted module names try: __import__(start_dir) except ImportError: is_not_importable = True else: the_module = sys.modules[start_dir] top_part = start_dir.split('.')[0] try: start_dir = os.path.abspath( os.path.dirname((the_module.__file__))) except AttributeError: # look for namespace packages try: spec = the_module.__spec__ except AttributeError: spec = None if spec and spec.loader is None: if spec.submodule_search_locations is not None: is_namespace = True for path in the_module.__path__: if (not set_implicit_top and not path.startswith(top_level_dir)): continue self._top_level_dir = \ (path.split(the_module.__name__ .replace(".", os.path.sep))[0]) tests.extend(self._find_tests(path, pattern, namespace=True)) elif the_module.__name__ in sys.builtin_module_names: # builtin module raise TypeError('Can not use builtin modules ' 'as dotted module names') from None else: raise TypeError( 'don\'t know how to discover from {!r}' .format(the_module)) from None if set_implicit_top: if not is_namespace: self._top_level_dir = \ self._get_directory_containing_module(top_part) sys.path.remove(top_level_dir) else: sys.path.remove(top_level_dir) if is_not_importable: raise ImportError('Start directory is not importable: %r' % start_dir) if not is_namespace: tests = list(self._find_tests(start_dir, pattern)) return self.suiteClass(tests) def _get_directory_containing_module(self, module_name): module = sys.modules[module_name] full_path = os.path.abspath(module.__file__) if os.path.basename(full_path).lower().startswith('__init__.py'): return os.path.dirname(os.path.dirname(full_path)) else: # here we have been given a module rather than a package - so # all we can do is search the *same* directory the module is in # should an exception be raised instead return os.path.dirname(full_path) def _get_name_from_path(self, path): if path == self._top_level_dir: return '.' path = _jython_aware_splitext(os.path.normpath(path)) _relpath = os.path.relpath(path, self._top_level_dir) assert not os.path.isabs(_relpath), "Path must be within the project" assert not _relpath.startswith('..'), "Path must be within the project" name = _relpath.replace(os.path.sep, '.') return name def _get_module_from_name(self, name): __import__(name) return sys.modules[name] def _match_path(self, path, full_path, pattern): # override this method to use alternative matching strategy return fnmatch(path, pattern) def _find_tests(self, start_dir, pattern, namespace=False): """Used by discovery. Yields test suites it loads.""" # Handle the __init__ in this package name = self._get_name_from_path(start_dir) # name is '.' when start_dir == top_level_dir (and top_level_dir is by # definition not a package). if name != '.' and name not in self._loading_packages: # name is in self._loading_packages while we have called into # loadTestsFromModule with name. tests, should_recurse = self._find_test_path( start_dir, pattern, namespace) if tests is not None: yield tests if not should_recurse: # Either an error occurred, or load_tests was used by the # package. return # Handle the contents. paths = sorted(os.listdir(start_dir)) for path in paths: full_path = os.path.join(start_dir, path) tests, should_recurse = self._find_test_path( full_path, pattern, namespace) if tests is not None: yield tests if should_recurse: # we found a package that didn't use load_tests. name = self._get_name_from_path(full_path) self._loading_packages.add(name) try: yield from self._find_tests(full_path, pattern, namespace) finally: self._loading_packages.discard(name) def _find_test_path(self, full_path, pattern, namespace=False): """Used by discovery. Loads tests from a single file, or a directories' __init__.py when passed the directory. Returns a tuple (None_or_tests_from_file, should_recurse). """ basename = os.path.basename(full_path) if os.path.isfile(full_path): if not VALID_MODULE_NAME.match(basename): # valid Python identifiers only return None, False if not self._match_path(basename, full_path, pattern): return None, False # if the test file matches, load it name = self._get_name_from_path(full_path) try: module = self._get_module_from_name(name) except case.SkipTest as e: return _make_skipped_test(name, e, self.suiteClass), False except: error_case, error_message = \ _make_failed_import_test(name, self.suiteClass) self.errors.append(error_message) return error_case, False else: mod_file = os.path.abspath( getattr(module, '__file__', full_path)) realpath = _jython_aware_splitext( os.path.realpath(mod_file)) fullpath_noext = _jython_aware_splitext( os.path.realpath(full_path)) if realpath.lower() != fullpath_noext.lower(): module_dir = os.path.dirname(realpath) mod_name = _jython_aware_splitext( os.path.basename(full_path)) expected_dir = os.path.dirname(full_path) msg = ("%r module incorrectly imported from %r. Expected " "%r. Is this module globally installed?") raise ImportError( msg % (mod_name, module_dir, expected_dir)) return self.loadTestsFromModule(module, pattern=pattern), False elif os.path.isdir(full_path): if (not namespace and not os.path.isfile(os.path.join(full_path, '__init__.py'))): return None, False load_tests = None tests = None name = self._get_name_from_path(full_path) try: package = self._get_module_from_name(name) except case.SkipTest as e: return _make_skipped_test(name, e, self.suiteClass), False except: error_case, error_message = \ _make_failed_import_test(name, self.suiteClass) self.errors.append(error_message) return error_case, False else: load_tests = getattr(package, 'load_tests', None) # Mark this package as being in load_tests (possibly ;)) self._loading_packages.add(name) try: tests = self.loadTestsFromModule(package, pattern=pattern) if load_tests is not None: # loadTestsFromModule(package) has loaded tests for us. return tests, False return tests, True finally: self._loading_packages.discard(name) else: return None, False defaultTestLoader = TestLoader() def _makeLoader(prefix, sortUsing, suiteClass=None, testNamePatterns=None): loader = TestLoader() loader.sortTestMethodsUsing = sortUsing loader.testMethodPrefix = prefix loader.testNamePatterns = testNamePatterns if suiteClass: loader.suiteClass = suiteClass return loader def getTestCaseNames(testCaseClass, prefix, sortUsing=util.three_way_cmp, testNamePatterns=None): return _makeLoader(prefix, sortUsing, testNamePatterns=testNamePatterns).getTestCaseNames(testCaseClass) def makeSuite(testCaseClass, prefix='test', sortUsing=util.three_way_cmp, suiteClass=suite.TestSuite): return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromTestCase( testCaseClass) def findTestCases(module, prefix='test', sortUsing=util.three_way_cmp, suiteClass=suite.TestSuite): return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromModule(\ module) PK ��[ڗ��c c signals.pynu �[��� import signal import weakref from functools import wraps __unittest = True class _InterruptHandler(object): def __init__(self, default_handler): self.called = False self.original_handler = default_handler if isinstance(default_handler, int): if default_handler == signal.SIG_DFL: # Pretend it's signal.default_int_handler instead. default_handler = signal.default_int_handler elif default_handler == signal.SIG_IGN: # Not quite the same thing as SIG_IGN, but the closest we # can make it: do nothing. def default_handler(unused_signum, unused_frame): pass else: raise TypeError("expected SIGINT signal handler to be " "signal.SIG_IGN, signal.SIG_DFL, or a " "callable object") self.default_handler = default_handler def __call__(self, signum, frame): installed_handler = signal.getsignal(signal.SIGINT) if installed_handler is not self: # if we aren't the installed handler, then delegate immediately # to the default handler self.default_handler(signum, frame) if self.called: self.default_handler(signum, frame) self.called = True for result in _results.keys(): result.stop() _results = weakref.WeakKeyDictionary() def registerResult(result): _results[result] = 1 def removeResult(result): return bool(_results.pop(result, None)) _interrupt_handler = None def installHandler(): global _interrupt_handler if _interrupt_handler is None: default_handler = signal.getsignal(signal.SIGINT) _interrupt_handler = _InterruptHandler(default_handler) signal.signal(signal.SIGINT, _interrupt_handler) def removeHandler(method=None): if method is not None: @wraps(method) def inner(*args, **kwargs): initial = signal.getsignal(signal.SIGINT) removeHandler() try: return method(*args, **kwargs) finally: signal.signal(signal.SIGINT, initial) return inner global _interrupt_handler if _interrupt_handler is not None: signal.signal(signal.SIGINT, _interrupt_handler.original_handler) PK ��[2��|2 2 suite.pynu �[��� """TestSuite""" import sys from . import case from . import util __unittest = True def _call_if_exists(parent, attr): func = getattr(parent, attr, lambda: None) func() class BaseTestSuite(object): """A simple test suite that doesn't provide class or module shared fixtures. """ _cleanup = True def __init__(self, tests=()): self._tests = [] self._removed_tests = 0 self.addTests(tests) def __repr__(self): return "<%s tests=%s>" % (util.strclass(self.__class__), list(self)) def __eq__(self, other): if not isinstance(other, self.__class__): return NotImplemented return list(self) == list(other) def __iter__(self): return iter(self._tests) def countTestCases(self): cases = self._removed_tests for test in self: if test: cases += test.countTestCases() return cases def addTest(self, test): # sanity checks if not callable(test): raise TypeError("{} is not callable".format(repr(test))) if isinstance(test, type) and issubclass(test, (case.TestCase, TestSuite)): raise TypeError("TestCases and TestSuites must be instantiated " "before passing them to addTest()") self._tests.append(test) def addTests(self, tests): if isinstance(tests, str): raise TypeError("tests must be an iterable of tests, not a string") for test in tests: self.addTest(test) def run(self, result): for index, test in enumerate(self): if result.shouldStop: break test(result) if self._cleanup: self._removeTestAtIndex(index) return result def _removeTestAtIndex(self, index): """Stop holding a reference to the TestCase at index.""" try: test = self._tests[index] except TypeError: # support for suite implementations that have overridden self._tests pass else: # Some unittest tests add non TestCase/TestSuite objects to # the suite. if hasattr(test, 'countTestCases'): self._removed_tests += test.countTestCases() self._tests[index] = None def __call__(self, *args, **kwds): return self.run(*args, **kwds) def debug(self): """Run the tests without collecting errors in a TestResult""" for test in self: test.debug() class TestSuite(BaseTestSuite): """A test suite is a composite test consisting of a number of TestCases. For use, create an instance of TestSuite, then add test case instances. When all tests have been added, the suite can be passed to a test runner, such as TextTestRunner. It will run the individual test cases in the order in which they were added, aggregating the results. When subclassing, do not forget to call the base class constructor. """ def run(self, result, debug=False): topLevel = False if getattr(result, '_testRunEntered', False) is False: result._testRunEntered = topLevel = True for index, test in enumerate(self): if result.shouldStop: break if _isnotsuite(test): self._tearDownPreviousClass(test, result) self._handleModuleFixture(test, result) self._handleClassSetUp(test, result) result._previousTestClass = test.__class__ if (getattr(test.__class__, '_classSetupFailed', False) or getattr(result, '_moduleSetUpFailed', False)): continue if not debug: test(result) else: test.debug() if self._cleanup: self._removeTestAtIndex(index) if topLevel: self._tearDownPreviousClass(None, result) self._handleModuleTearDown(result) result._testRunEntered = False return result def debug(self): """Run the tests without collecting errors in a TestResult""" debug = _DebugResult() self.run(debug, True) ################################ def _handleClassSetUp(self, test, result): previousClass = getattr(result, '_previousTestClass', None) currentClass = test.__class__ if currentClass == previousClass: return if result._moduleSetUpFailed: return if getattr(currentClass, "__unittest_skip__", False): return try: currentClass._classSetupFailed = False except TypeError: # test may actually be a function # so its class will be a builtin-type pass setUpClass = getattr(currentClass, 'setUpClass', None) if setUpClass is not None: _call_if_exists(result, '_setupStdout') try: setUpClass() except Exception as e: if isinstance(result, _DebugResult): raise currentClass._classSetupFailed = True className = util.strclass(currentClass) self._createClassOrModuleLevelException(result, e, 'setUpClass', className) finally: _call_if_exists(result, '_restoreStdout') if currentClass._classSetupFailed is True: currentClass.doClassCleanups() if len(currentClass.tearDown_exceptions) > 0: for exc in currentClass.tearDown_exceptions: self._createClassOrModuleLevelException( result, exc[1], 'setUpClass', className, info=exc) def _get_previous_module(self, result): previousModule = None previousClass = getattr(result, '_previousTestClass', None) if previousClass is not None: previousModule = previousClass.__module__ return previousModule def _handleModuleFixture(self, test, result): previousModule = self._get_previous_module(result) currentModule = test.__class__.__module__ if currentModule == previousModule: return self._handleModuleTearDown(result) result._moduleSetUpFailed = False try: module = sys.modules[currentModule] except KeyError: return setUpModule = getattr(module, 'setUpModule', None) if setUpModule is not None: _call_if_exists(result, '_setupStdout') try: setUpModule() except Exception as e: try: case.doModuleCleanups() except Exception as exc: self._createClassOrModuleLevelException(result, exc, 'setUpModule', currentModule) if isinstance(result, _DebugResult): raise result._moduleSetUpFailed = True self._createClassOrModuleLevelException(result, e, 'setUpModule', currentModule) finally: _call_if_exists(result, '_restoreStdout') def _createClassOrModuleLevelException(self, result, exc, method_name, parent, info=None): errorName = f'{method_name} ({parent})' self._addClassOrModuleLevelException(result, exc, errorName, info) def _addClassOrModuleLevelException(self, result, exception, errorName, info=None): error = _ErrorHolder(errorName) addSkip = getattr(result, 'addSkip', None) if addSkip is not None and isinstance(exception, case.SkipTest): addSkip(error, str(exception)) else: if not info: result.addError(error, sys.exc_info()) else: result.addError(error, info) def _handleModuleTearDown(self, result): previousModule = self._get_previous_module(result) if previousModule is None: return if result._moduleSetUpFailed: return try: module = sys.modules[previousModule] except KeyError: return tearDownModule = getattr(module, 'tearDownModule', None) if tearDownModule is not None: _call_if_exists(result, '_setupStdout') try: tearDownModule() except Exception as e: if isinstance(result, _DebugResult): raise self._createClassOrModuleLevelException(result, e, 'tearDownModule', previousModule) finally: _call_if_exists(result, '_restoreStdout') try: case.doModuleCleanups() except Exception as e: self._createClassOrModuleLevelException(result, e, 'tearDownModule', previousModule) def _tearDownPreviousClass(self, test, result): previousClass = getattr(result, '_previousTestClass', None) currentClass = test.__class__ if currentClass == previousClass: return if getattr(previousClass, '_classSetupFailed', False): return if getattr(result, '_moduleSetUpFailed', False): return if getattr(previousClass, "__unittest_skip__", False): return tearDownClass = getattr(previousClass, 'tearDownClass', None) if tearDownClass is not None: _call_if_exists(result, '_setupStdout') try: tearDownClass() except Exception as e: if isinstance(result, _DebugResult): raise className = util.strclass(previousClass) self._createClassOrModuleLevelException(result, e, 'tearDownClass', className) finally: _call_if_exists(result, '_restoreStdout') previousClass.doClassCleanups() if len(previousClass.tearDown_exceptions) > 0: for exc in previousClass.tearDown_exceptions: className = util.strclass(previousClass) self._createClassOrModuleLevelException(result, exc[1], 'tearDownClass', className, info=exc) class _ErrorHolder(object): """ Placeholder for a TestCase inside a result. As far as a TestResult is concerned, this looks exactly like a unit test. Used to insert arbitrary errors into a test suite run. """ # Inspired by the ErrorHolder from Twisted: # http://twistedmatrix.com/trac/browser/trunk/twisted/trial/runner.py # attribute used by TestResult._exc_info_to_string failureException = None def __init__(self, description): self.description = description def id(self): return self.description def shortDescription(self): return None def __repr__(self): return "<ErrorHolder description=%r>" % (self.description,) def __str__(self): return self.id() def run(self, result): # could call result.addError(...) - but this test-like object # shouldn't be run anyway pass def __call__(self, result): return self.run(result) def countTestCases(self): return 0 def _isnotsuite(test): "A crude way to tell apart testcases and suites with duck-typing" try: iter(test) except TypeError: return True return False class _DebugResult(object): "Used by the TestSuite to hold previous class when running in debug." _previousTestClass = None _moduleSetUpFailed = False shouldStop = False PK ��[l�k� + __pycache__/async_case.cpython-38.opt-2.pycnu �[��� U e5d� � @ s0 d dl Z d dlZddlmZ G dd� de�ZdS )� N� )�TestCasec s� e Zd Zd� fdd� Zdd� Zdd� Zdd � Zd d� Zdd � Zdd� Z dd� Z dd� Zdd� Zdd� Z dd� Zdd� Zd � fdd� Z� ZS )!�IsolatedAsyncioTestCase�runTestc s t � �|� d | _d | _d S �N)�super�__init__�_asyncioTestLoop�_asyncioCallsQueue)�selfZ methodName�� __class__� �+/usr/lib64/python3.8/unittest/async_case.pyr "