Python unittest2 模块，TestCase() 实例源码
我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用unittest2.TestCase()。
def test_multiple_inheritance_setup(self):
test = self
test.setup_called = False
test.teardown_called = False
class OtherOther(unittest2.TestCase):
def setUp(self):
test.setup_called = True
super(OtherOther, self).setUp()
def tearDown(self):
test.teardown_called = True
super(OtherOther, self).setUp()
class Other(unittest2.TestCase):
pass
class Both(Other, OtherOther):
pass
Both('assert_').setUp()
Both('assert_').tearDown()
self.assertTrue(test.setup_called)
self.assertTrue(test.teardown_called)
def test_startTest(self):
class Foo(unittest2.TestCase):
def test_1(self):
pass
test = Foo('test_1')
result = unittest2.TestResult()
result.startTest(test)
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
result.stopTest(test)
# "Called after the test case test has been executed,regardless of
# the outcome. The default implementation does nothing."
def test_startTestRun_stopTestRun(self):
result = unittest2.TestResult()
result.startTestRun()
result.stopTestRun()
# "addSuccess(test)"
# ...
# "Called when the test case test succeeds"
# ...
# "wasSuccessful() - Returns True if all tests run so far have passed,
# otherwise returns False"
# ...
# "testsRun - The total number of tests run so far."
# ...
# "errors - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test which raised an
# unexpected exception. Contains formatted
# tracebacks instead of sys.exc_info() results."
# ...
# "failures - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test where a failure was
# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
# methods. Contains formatted tracebacks instead
# of sys.exc_info() results."
def test_addError_locals(self):
class Foo(unittest.TestCase):
def test_1(self):
1/0
test = Foo('test_1')
result = unittest.TestResult()
result.tb_locals = True
unittest.result.traceback = MockTraceback
self.addCleanup(restore_traceback)
result.startTestRun()
test.run(result)
result.stopTestRun()
self.assertEqual(len(result.errors), 1)
test_case, formatted_exc = result.errors[0]
self.assertEqual('A tracebacklocals', formatted_exc)
def test_old_testresult(self):
class Test(unittest2.TestCase):
def testSkip(self):
self.skipTest('foobar')
@unittest2.expectedFailure
def testExpectedFail(self):
raise TypeError
@unittest2.expectedFailure
def testUnexpectedSuccess(self):
pass
for test_name, should_pass in (('testSkip', True),
('testExpectedFail',
('testUnexpectedSuccess', False)):
test = Test(test_name)
self.assertOldResultWarning(test, int(not should_pass))
def test_skipping(self):
class Foo(unittest2.TestCase):
def test_skip_me(self):
self.skipTest("skip")
events = []
result = LoggingResult(events)
test = Foo("test_skip_me")
test.run(result)
self.assertEqual(events, ['startTest', 'addSkip', 'stopTest'])
self.assertEqual(result.skipped, [(test, "skip")])
# Try letting setUp skip the test now.
class Foo(unittest2.TestCase):
def setUp(self):
self.skipTest("testing")
def test_nothing(self): pass
events = []
result = LoggingResult(events)
test = Foo("test_nothing")
test.run(result)
self.assertEqual(events, "testing")])
self.assertEqual(result.testsRun, 1)
def test_skipping_subtests(self):
class Foo(unittest.TestCase):
def test_skip_me(self):
with self.subTest(a=1):
with self.subTest(b=2):
self.skipTest("skip 1")
self.skipTest("skip 2")
self.skipTest("skip 3")
events = []
result = LoggingResult(events)
test = Foo("test_skip_me")
test.run(result)
self.assertEqual(events,
'addSkip', 'stopTest'])
self.assertEqual(len(result.skipped), 3)
subtest, msg = result.skipped[0]
self.assertEqual(msg, "skip 1")
self.assertIsInstance(subtest, unittest.TestCase)
self.assertIsNot(subtest, test)
subtest, msg = result.skipped[1]
self.assertEqual(msg, "skip 2")
self.assertIsInstance(subtest, test)
self.assertEqual(result.skipped[2], (test, "skip 3"))
def test_expected_failure_subtests(self):
# A failure in any subtest counts as the expected failure of the
# whole test.
class Foo(unittest.TestCase):
@unittest.expectedFailure
def test_die(self):
with self.subTest():
# This one succeeds
pass
with self.subTest():
self.fail("help me!")
with self.subTest():
# This one doesn't get executed
self.fail("shouldn't come here")
events = []
result = LoggingResult(events)
test = Foo("test_die")
test.run(result)
self.assertEqual(events,
['startTest', 'addSubTestSuccess',
'addExpectedFailure', 'stopTest'])
self.assertEqual(len(result.expectedFailures), 1)
self.assertIs(result.expectedFailures[0][0], test)
self.assertTrue(result.wasSuccessful())
def test_unexpected_success_subtests(self):
# Success in all subtests counts as the unexpected success of
# the whole test.
class Foo(unittest.TestCase):
@unittest.expectedFailure
def test_die(self):
with self.subTest():
# This one succeeds
pass
with self.subTest():
# So does this one
pass
events = []
result = LoggingResult(events)
test = Foo("test_die")
test.run(result)
self.assertEqual(events,
'addSubTestSuccess',
'addUnexpectedSuccess', 'stopTest'])
self.assertFalse(result.failures)
self.assertEqual(result.unexpectedSuccesses, [test])
self.assertFalse(result.wasSuccessful())
def test_skip_doesnt_run_setup(self):
class Foo(unittest2.TestCase):
wasSetUp = False
wasTornDown = False
def setUp(self):
Foo.wasSetUp = True
def tornDown(self):
Foo.wasTornDown = True
@unittest2.skip('testing')
def test_1(self):
pass
result = unittest2.TestResult()
test = Foo("test_1")
suite = unittest2.TestSuite([test])
suite.run(result)
self.assertEqual(result.skipped, "testing")])
self.assertFalse(Foo.wasSetUp)
self.assertFalse(Foo.wasTornDown)
def test_decorated_skip(self):
def decorator(func):
def inner(*a):
return func(*a)
return inner
class Foo(unittest2.TestCase):
@decorator
@unittest2.skip('testing')
def test_1(self):
pass
result = unittest2.TestResult()
test = Foo("test_1")
suite = unittest2.TestSuite([test])
suite.run(result)
self.assertEqual(result.skipped, "testing")])
def testTestCaseDebugExecutesCleanups(self):
ordering = []
class TestableTest(unittest2.TestCase):
def setUp(self):
ordering.append('setUp')
self.addCleanup(cleanup1)
def testNothing(self):
ordering.append('test')
def tearDown(self):
ordering.append('tearDown')
test = TestableTest('testNothing')
def cleanup1():
ordering.append('cleanup1')
test.addCleanup(cleanup2)
def cleanup2():
ordering.append('cleanup2')
test.debug()
self.assertEqual(ordering, ['setUp', 'test', 'tearDown', 'cleanup1', 'cleanup2'])
def testRunnerRegistersResult(self):
class Test(unittest2.TestCase):
def testFoo(self):
pass
originalRegisterResult = unittest2.runner.registerResult
def cleanup():
unittest2.runner.registerResult = originalRegisterResult
self.addCleanup(cleanup)
result = unittest2.TestResult()
runner = unittest2.TextTestRunner(stream=StringIO())
# Use our result object
runner._makeResult = lambda: result
self.wasRegistered = 0
def fakeRegisterResult(thisResult):
self.wasRegistered += 1
self.assertEqual(thisResult, result)
unittest2.runner.registerResult = fakeRegisterResult
runner.run(unittest2.TestSuite())
self.assertEqual(self.wasRegistered, 1)
def test_setup_class(self):
class Test(unittest2.TestCase):
setUpCalled = 0
@classmethod
def setUpClass(cls):
Test.setUpCalled += 1
unittest2.TestCase.setUpClass()
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test)
self.assertEqual(Test.setUpCalled, 1)
self.assertEqual(result.testsRun, 2)
self.assertEqual(len(result.errors), 0)
def test_teardown_class(self):
class Test(unittest2.TestCase):
tearDownCalled = 0
@classmethod
def tearDownClass(cls):
Test.tearDownCalled += 1
unittest2.TestCase.tearDownClass()
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test)
self.assertEqual(Test.tearDownCalled, 0)
def test_error_in_setupclass(self):
class BrokenTest(unittest2.TestCase):
@classmethod
def setUpClass(cls):
raise TypeError('foo')
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(BrokenTest)
self.assertEqual(result.testsRun, 0)
self.assertEqual(len(result.errors), 1)
error, _ = result.errors[0]
self.assertEqual(str(error),
'setUpClass (%s.%s)' % (__name__,
getattr(BrokenTest, '__qualname__', BrokenTest.__name__)))
def test_class_not_setup_or_torndown_when_skipped(self):
class Test(unittest2.TestCase):
classSetUp = False
tornDown = False
@classmethod
def setUpClass(cls):
Test.classSetUp = True
@classmethod
def tearDownClass(cls):
Test.tornDown = True
def test_one(self):
pass
Test = unittest2.skip("hop")(Test)
self.runTests(Test)
self.assertFalse(Test.classSetUp)
self.assertFalse(Test.tornDown)
def test_setup_module(self):
class Module(object):
moduleSetup = 0
@staticmethod
def setUpModule():
Module.moduleSetup += 1
class Test(unittest2.TestCase):
def test_one(self):
pass
def test_two(self):
pass
Test.__module__ = 'Module'
sys.modules['Module'] = Module
result = self.runTests(Test)
self.assertEqual(Module.moduleSetup, 0)
def test_skiptest_in_setupclass(self):
class Test(unittest2.TestCase):
@classmethod
def setUpClass(cls):
raise unittest2.SkipTest('foo')
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test)
self.assertEqual(result.testsRun, 0)
self.assertEqual(len(result.skipped), 1)
skipped = result.skipped[0][0]
self.assertEqual(str(skipped),
getattr(Test, Test.__name__)))
def test_skiptest_in_setupmodule(self):
class Test(unittest2.TestCase):
def test_one(self):
pass
def test_two(self):
pass
class Module(object):
@staticmethod
def setUpModule():
raise unittest2.SkipTest('foo')
Test.__module__ = 'Module'
sys.modules['Module'] = Module
result = self.runTests(Test)
self.assertEqual(result.testsRun, 'setUpModule (Module)')
def test_run_call_order__error_in_tearDown_default_result(self):
class Foo(Test.LoggingTestCase):
def defaultTestResult(self):
return LoggingResult(self.events)
def tearDown(self):
super(Foo, self).tearDown()
raise RuntimeError('raised by Foo.tearDown')
events = []
Foo(events).run()
expected = ['startTestRun', 'startTest', 'setUp',
'addError', 'stopTest', 'stopTestRun']
self.assertEqual(events, expected)
# "TestCase.run() still works when the defaultTestResult is a TestResult
# that does not support startTestRun and stopTestRun.
def test_failureException__subclassing__explicit_raise(self):
events = []
result = LoggingResult(events)
class Foo(unittest2.TestCase):
def test(self):
raise RuntimeError()
failureException = RuntimeError
self.assertIs(Foo('test').failureException, RuntimeError)
Foo('test').run(result)
expected = ['startTest', 'addFailure', 'stopTest']
self.assertEqual(events, expected)
# "This class attribute gives the exception raised by the test() method.
# If a test framework needs to use a specialized exception,possibly to
# carry additional information,it must subclass this exception in
# order to ``play fair'' with the framework."
#
# Make sure TestCase.run() respects the designated failureException
def test_failureException__subclassing__implicit_raise(self):
events = []
result = LoggingResult(events)
class Foo(unittest2.TestCase):
def test(self):
self.fail("foo")
failureException = RuntimeError
self.assertIs(Foo('test').failureException, expected)
# "The default implementation does nothing."
def test_run__uses_defaultTestResult(self):
events = []
class Foo(unittest2.TestCase):
def test(self):
events.append('test')
def defaultTestResult(self):
return LoggingResult(events)
# Make run() find a result object on its own
Foo('test').run()
expected = ['startTestRun', 'addSuccess',
'stopTest', expected)
def testAssertDictContainsSubset(self):
self.assertDictContainsSubset({}, {})
self.assertDictContainsSubset({}, {'a': 1})
self.assertDictContainsSubset({'a': 1}, {'a': 1, 'b': 2})
self.assertDictContainsSubset({'a': 1, 'b': 2}, 'b': 2})
self.assertRaises(unittest2.TestCase.failureException,
self.assertDictContainsSubset, {'a': 2}, {'a': 1},
'.*Mismatched values:.*')
self.assertRaises(unittest2.TestCase.failureException, {'c': 1},
'.*Missing:.*')
self.assertRaises(unittest2.TestCase.failureException, 'c': 1},
{'a': 1}, '.*Missing:.*')
self.assertRaises(unittest2.TestCase.failureException, '.*Missing:.*Mismatched values:.*')
self.assertRaises(self.failureException, {1: "one"}, {})
def testPickle(self):
# Issue 10326
# Can't use TestCase classes defined in Test class as
# pickle does not work with inner classes
test = unittest2.TestCase('run')
for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
# blew up prior to fix
pickled_test = pickle.dumps(test, protocol=protocol)
unpickled_test = pickle.loads(pickled_test)
self.assertEqual(test, unpickled_test)
# exercise the TestCase instance in a way that will invoke
# the type equality lookup mechanism
unpickled_test.assertEqual(set(), set())
def testKeyboardInterrupt(self):
def _raise(self=None):
raise KeyboardInterrupt
def nothing(self):
pass
class Test1(unittest2.TestCase):
test_something = _raise
class Test2(unittest2.TestCase):
setUp = _raise
test_something = nothing
class Test3(unittest2.TestCase):
test_something = nothing
tearDown = _raise
class Test4(unittest2.TestCase):
def test_something(self):
self.addCleanup(_raise)
for klass in (Test1, Test2, Test3, Test4):
self.assertRaises(KeyboardInterrupt,
klass('test_something').run)
def test_countTestCases_nested(self):
class Test1(unittest2.TestCase):
def test1(self): pass
def test2(self): pass
test2 = unittest2.FunctionTestCase(lambda: None)
test3 = unittest2.FunctionTestCase(lambda: None)
child = unittest2.TestSuite((Test1('test2'), test2))
parent = unittest2.TestSuite((test3, child, Test1('test1')))
self.assertEqual(parent.countTestCases(), 4)
# countTestCases() still works after tests are run
parent.run(unittest.TestResult())
self.assertEqual(parent.countTestCases(), 4)
self.assertEqual(child.countTestCases(), 2)
# "Run the tests associated with this suite,collecting the result into
# the test result object passed as result."
#
# And if there are no tests? What then?
def test_addTest__TestCase(self):
class Foo(unittest2.TestCase):
def test(self): pass
test = Foo('test')
suite = unittest2.TestSuite()
suite.addTest(test)
self.assertEqual(suite.countTestCases(), 1)
self.assertEqual(list(suite), [test])
# countTestCases() still works after tests are run
suite.run(unittest.TestResult())
self.assertEqual(suite.countTestCases(), 1)
# "Add a ... TestSuite to the suite"
def test_addTest__TestSuite(self):
class Foo(unittest2.TestCase):
def test(self): pass
suite_2 = unittest2.TestSuite([Foo('test')])
suite = unittest2.TestSuite()
suite.addTest(suite_2)
self.assertEqual(suite.countTestCases(), [suite_2])
# countTestCases() still works after tests are run
suite.run(unittest.TestResult())
self.assertEqual(suite.countTestCases(), 1)
# "Add all the tests from an iterable of TestCase and TestSuite
# instances to this test suite."
#
# "This is equivalent to iterating over tests,calling addTest() for
# each element"
def assert_garbage_collect_test_after_run(self, TestSuiteClass):
if not unittest.BaseTestSuite._cleanup:
raise unittest.SkipTest("Suite cleanup is disabled")
class Foo(unittest.TestCase):
def test_nothing(self):
pass
test = Foo('test_nothing')
wref = weakref.ref(test)
suite = TestSuiteClass([wref()])
suite.run(unittest.TestResult())
del test
# for the benefit of non-reference counting implementations
gc.collect()
self.assertEqual(suite._tests, [None])
self.assertIsNone(wref())
def test_loadTestsFromTestCase__no_matches(self):
class Foo(unittest2.TestCase):
def foo_bar(self): pass
empty_suite = unittest2.TestSuite()
loader = unittest2.TestLoader()
self.assertEqual(loader.loadTestsFromTestCase(Foo), empty_suite)
# "Return a suite of all tests cases contained in the TestCase-derived
# class testCaseClass"
#
# What happens if loadTestsFromTestCase() is given an object
# that isn't a subclass of TestCase? Specifically,what happens
# if testCaseClass is a subclass of TestSuite?
#
# This is checked for specifically in the code,so we better add a
# test for it.
def test_loadTestsFromTestCase__TestSuite_subclass(self):
class NotATestCase(unittest2.TestSuite):
pass
loader = unittest2.TestLoader()
try:
loader.loadTestsFromTestCase(NotATestCase)
except TypeError:
pass
else:
self.fail('Should raise TypeError')
# "Return a suite of all tests cases contained in the TestCase-derived
# class testCaseClass"
#
# Make sure loadTestsFromTestCase() picks up the default test method
# name (as specified by TestCase),even though the method name does
# not match the default TestLoader.testMethodPrefix string
def test_loadTestsFromTestCase__default_method_name(self):
class Foo(unittest2.TestCase):
def runTest(self):
pass
loader = unittest2.TestLoader()
# This has to be false for the test to succeed
self.assertFalse('runTest'.startswith(loader.testMethodPrefix))
suite = loader.loadTestsFromTestCase(Foo)
self.assertIsInstance(suite, loader.suiteClass)
self.assertEqual(list(suite), [Foo('runTest')])
################################################################
### /Tests for TestLoader.loadTestsFromTestCase
### Tests for TestLoader.loadTestsFromModule
################################################################
# "This method searches `module` for classes derived from TestCase"
def test_loadTestsFromModule__TestCase_subclass(self):
m = types.ModuleType('m')
class MyTestCase(unittest2.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
loader = unittest2.TestLoader()
suite = loader.loadTestsFromModule(m)
self.assertIsInstance(suite, loader.suiteClass)
expected = [loader.suiteClass([MyTestCase('test')])]
self.assertEqual(list(suite), expected)
# "This method searches `module` for classes derived from TestCase"
#
# What happens if no tests are found (no TestCase instances)?
def test_loadTestsFromModule__no_TestCase_tests(self):
m = types.ModuleType('m')
class MyTestCase(unittest2.TestCase):
pass
m.testcase_1 = MyTestCase
loader = unittest2.TestLoader()
suite = loader.loadTestsFromModule(m)
self.assertIsInstance(suite, loader.suiteClass)
self.assertEqual(list(suite), [loader.suiteClass()])
# "This method searches `module` for classes derived from TestCase"s
#
# What happens if loadTestsFromModule() is given something other
# than a module?
#
# XXX Currently,it succeeds anyway. This flexibility
# should either be documented or loadTestsFromModule() should
# raise a TypeError
#
# XXX Certain people are using this behaviour. We'll add a test for it
def test_loadTestsFromModule__not_a_module(self):
class MyTestCase(unittest2.TestCase):
def test(self):
pass
class NotAModule(object):
test_2 = MyTestCase
loader = unittest2.TestLoader()
suite = loader.loadTestsFromModule(NotAModule)
reference = [unittest2.TestSuite([MyTestCase('test')])]
self.assertEqual(list(suite), reference)
# Check that loadTestsFromModule honors (or not) a module
# with a load_tests function.
def test_loadTestsFromModule__load_tests(self):
m = types.ModuleType('m')
class MyTestCase(unittest2.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
load_tests_args = []
def load_tests(loader, tests, pattern):
self.assertIsInstance(tests, unittest2.TestSuite)
load_tests_args.extend((loader, pattern))
return tests
m.load_tests = load_tests
loader = unittest2.TestLoader()
suite = loader.loadTestsFromModule(m)
self.assertIsInstance(suite, unittest2.TestSuite)
self.assertEqual(load_tests_args, [loader, suite, None])
# With Python 3.5,the undocumented and unofficial use_load_tests is
# ignored (and deprecated).
load_tests_args = []
with warnings.catch_warnings(record=False):
warnings.simplefilter('never')
suite = loader.loadTestsFromModule(m, use_load_tests=False)
self.assertEqual(load_tests_args, None])
def test_loadTestsFromModule__use_load_tests_other_bad_keyword(self):
m = types.ModuleType('m')
class MyTestCase(unittest.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
load_tests_args = []
def load_tests(loader, unittest.TestSuite)
load_tests_args.extend((loader, pattern))
return tests
m.load_tests = load_tests
loader = unittest.TestLoader()
with warnings.catch_warnings():
warnings.simplefilter('never')
with self.assertRaises(TypeError) as cm:
loader.loadTestsFromModule(
m, use_load_tests=False, very_bad=True, worse=False)
self.assertEqual(type(cm.exception), TypeError)
# The error message names the first bad argument alphabetically,
# however use_load_tests (which sorts first) is ignored.
self.assertEqual(
str(cm.exception),
"loadTestsFromModule() got an unexpected keyword argument 'very_bad'")
def test_loadTestsFromModule__pattern(self):
m = types.ModuleType('m')
class MyTestCase(unittest.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
load_tests_args = []
def load_tests(loader, pattern))
return tests
m.load_tests = load_tests
loader = unittest.TestLoader()
suite = loader.loadTestsFromModule(m, pattern='testme.*')
self.assertIsInstance(suite, unittest.TestSuite)
self.assertEqual(load_tests_args, 'testme.*'])
def test_loadTestsFromName__empty_name(self):
loader = unittest2.TestLoader()
try:
loader.loadTestsFromName('')
except ValueError:
e = sys.exc_info()[1]
self.assertEqual(str(e), "Empty module name")
else:
self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
# "The specifier name is a ``dotted name'' that may resolve either to
# a module,a test case class,a TestSuite instance,a test method
# within a test case class,or a callable object which returns a
# TestCase or TestSuite instance."
#
# What happens when the name contains invalid characters?
def check_module_import_error(self, error, test, attr='sdasfasfasdf', regex='(unittest2)?sdasfasfasdf'):
try:
self._check_module_lookup_error(
error, ImportError,
"No module named ", attr, regex)
except self.failureException:
self._check_module_lookup_error(
error, regex)
# "The specifier name is a ``dotted name'' that may resolve either to
# a module,or a callable object which returns a
# TestCase or TestSuite instance."
#
# What happens when the module is found,but the attribute isn't?
def test_loadTestsFromName__relative_unknown_name(self):
loader = unittest2.TestLoader()
suite = loader.loadTestsFromName('sdasfasfasdf', unittest)
error, test = self.check_deferred_error(loader, suite)
self.check_module_lookup_error(error, 'unittest2')
# "The specifier name is a ``dotted name'' that may resolve either to
# a module,or a callable object which returns a
# TestCase or TestSuite instance."
# ...
# "The method optionally resolves name relative to the given module"
#
# Does loadTestsFromName raise ValueError when passed an empty
# name relative to a provided module?
#
# XXX Should probably raise a ValueError instead of an AttributeError
def test_loadTestsFromName__relative_empty_name(self):
loader = unittest.TestLoader()
suite = loader.loadTestsFromName('', suite)
expected = "has no attribute ''"
self.assertIn(
expected,
'missing error string in %r' % error)
self.assertRaisesRegex(AttributeError, expected, getattr(test, ''))
# "The specifier name is a ``dotted name'' that may resolve either to
# a module,or a callable object which returns a
# TestCase or TestSuite instance."
# ...
# "The method optionally resolves name relative to the given module"
#
# What happens when an impossible name is given,relative to the provided
# `module`?
def test_loadTestsFromName__relative_not_a_module(self):
class MyTestCase(unittest2.TestCase):
def test(self):
pass
class NotAModule(object):
test_2 = MyTestCase
loader = unittest2.TestLoader()
suite = loader.loadTestsFromName('test_2', NotAModule)
reference = [MyTestCase('test')]
self.assertEqual(list(suite), reference)
# "The specifier name is a ``dotted name'' that may resolve either to
# a module,or a callable object which returns a
# TestCase or TestSuite instance."
#
# Does it raise an exception if the name resolves to an invalid
# object?
def test_loadTestsFromName__relative_TestCase_subclass(self):
m = types.ModuleType('m')
class MyTestCase(unittest2.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
loader = unittest2.TestLoader()
suite = loader.loadTestsFromName('testcase_1', m)
self.assertIsInstance(suite, [MyTestCase('test')])
# "The specifier name is a ``dotted name'' that may resolve either to
# a module,or a callable object which returns a
# TestCase or TestSuite instance."
def test_loadTestsFromName__relative_testmethod(self):
m = types.ModuleType('m')
class MyTestCase(unittest2.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
loader = unittest2.TestLoader()
suite = loader.loadTestsFromName('testcase_1.test',or a callable object which returns a
# TestCase or TestSuite instance."
#
# Does loadTestsFromName() raise the proper exception when trying to
# resolve "a test method within a test case class" that doesn't exist
# for the given name (relative to a provided module)?
def test_loadTestsFromName__relative_invalid_testmethod(self):
m = types.ModuleType('m')
class MyTestCase(unittest2.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
loader = unittest.TestLoader()
suite = loader.loadTestsFromName('testcase_1.testfoo', m)
expected = "type object 'MyTestCase' has no attribute 'testfoo'"
error, suite)
self.assertIn(
expected, test.testfoo)
# "The specifier name is a ``dotted name'' that may resolve ... to
# ... a callable object which returns a ... TestSuite instance"
def test_loadTestsFromName__callable__TestCase_instance(self):
m = types.ModuleType('m')
testcase_1 = unittest2.FunctionTestCase(lambda: None)
def return_TestCase():
return testcase_1
m.return_TestCase = return_TestCase
loader = unittest2.TestLoader()
suite = loader.loadTestsFromName('return_TestCase', [testcase_1])
# "The specifier name is a ``dotted name'' that may resolve ... to
# ... a callable object which returns a TestCase ... instance"
#*****************************************************************
#Override the suiteClass attribute to ensure that the suiteClass
#attribute is used
def test_loadTestsFromName__relative_testmethod_ProperSuiteClass(self):
class SubTestSuite(unittest2.TestSuite):
pass
m = types.ModuleType('m')
class MyTestCase(unittest2.TestCase):
def test(self):
pass
m.testcase_1 = MyTestCase
loader = unittest2.TestLoader()
loader.suiteClass=SubTestSuite
suite = loader.loadTestsFromName('testcase_1.test', [MyTestCase('test')])
# "The specifier name is a ``dotted name'' that may resolve ... to
# ... a callable object which returns a TestCase or TestSuite instance"
#
# What happens if the callable returns something else?
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