diff options
Diffstat (limited to 'Lib/test/test_unittest.py')
| -rw-r--r-- | Lib/test/test_unittest.py | 109 |
1 files changed, 79 insertions, 30 deletions
diff --git a/Lib/test/test_unittest.py b/Lib/test/test_unittest.py index 10932de..40de797 100644 --- a/Lib/test/test_unittest.py +++ b/Lib/test/test_unittest.py @@ -555,6 +555,47 @@ class Test_TestLoader(TestCase): self.assertEqual(list(suite), [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__callable__TestCase_instance_ProperSuiteClass(self): + class SubTestSuite(unittest.TestSuite): + pass + m = types.ModuleType('m') + testcase_1 = unittest.FunctionTestCase(lambda: None) + def return_TestCase(): + return testcase_1 + m.return_TestCase = return_TestCase + + loader = unittest.TestLoader() + loader.suiteClass = SubTestSuite + suite = loader.loadTestsFromName('return_TestCase', m) + self.assertTrue(isinstance(suite, loader.suiteClass)) + self.assertEqual(list(suite), [testcase_1]) + + # "The specifier name is a ``dotted name'' that may resolve ... to + # ... a test method within a test case class" + #***************************************************************** + #Override the suiteClass attribute to ensure that the suiteClass + #attribute is used + def test_loadTestsFromName__relative_testmethod_ProperSuiteClass(self): + class SubTestSuite(unittest.TestSuite): + pass + m = types.ModuleType('m') + class MyTestCase(unittest.TestCase): + def test(self): + pass + m.testcase_1 = MyTestCase + + loader = unittest.TestLoader() + loader.suiteClass=SubTestSuite + suite = loader.loadTestsFromName('testcase_1.test', m) + self.assertTrue(isinstance(suite, loader.suiteClass)) + + self.assertEqual(list(suite), [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? @@ -2953,6 +2994,11 @@ class Test_Assertions(TestCase): self.assertRaises(self.failureException, self.assertNotAlmostEqual, 0, .1+.1j, places=0) + self.assertAlmostEqual(float('inf'), float('inf')) + self.assertRaises(self.failureException, self.assertNotAlmostEqual, + float('inf'), float('inf')) + + def test_assertRaises(self): def _raise(e): raise e @@ -3387,31 +3433,18 @@ class Test_TextTestRunner(TestCase): class TestDiscovery(TestCase): # Heavily mocked tests so I can avoid hitting the filesystem - def test_get_module_from_path(self): + def test_get_name_from_path(self): loader = unittest.TestLoader() - - old_import = __import__ - def restore_import(): - builtins.__import__ = old_import - builtins.__import__ = lambda *_: None - self.addCleanup(restore_import) - - expected_module = object() - def del_module(): - del sys.modules['bar.baz'] - sys.modules['bar.baz'] = expected_module - self.addCleanup(del_module) - loader._top_level_dir = '/foo' - module = loader._get_module_from_path('/foo/bar/baz.py') - self.assertEqual(module, expected_module) + name = loader._get_name_from_path('/foo/bar/baz.py') + self.assertEqual(name, 'bar.baz') if not __debug__: # asserts are off return with self.assertRaises(AssertionError): - loader._get_module_from_path('/bar/baz.py') + loader._get_name_from_path('/bar/baz.py') def test_find_tests(self): loader = unittest.TestLoader() @@ -3427,7 +3460,7 @@ class TestDiscovery(TestCase): os.path.isdir = original_isdir path_lists = [['test1.py', 'test2.py', 'not_a_test.py', 'test_dir', - 'test.foo', 'another_dir'], + 'test.foo', 'test-not-a-module.py', 'another_dir'], ['test3.py', 'test4.py', ]] os.listdir = lambda path: path_lists.pop(0) self.addCleanup(restore_listdir) @@ -3443,16 +3476,16 @@ class TestDiscovery(TestCase): os.path.isfile = isfile self.addCleanup(restore_isfile) - loader._get_module_from_path = lambda path: path + ' module' + loader._get_module_from_name = lambda path: path + ' module' loader.loadTestsFromModule = lambda module: module + ' tests' loader._top_level_dir = '/foo' suite = list(loader._find_tests('/foo', 'test*.py')) - expected = [os.path.join('/foo', name) + ' module tests' for name in - ('test1.py', 'test2.py')] - expected.extend([os.path.join('/foo', 'test_dir', name) + ' module tests' for name in - ('test3.py', 'test4.py')]) + expected = [name + ' module tests' for name in + ('test1', 'test2')] + expected.extend([('test_dir.%s' % name) + ' module tests' for name in + ('test3', 'test4')]) self.assertEqual(suite, expected) def test_find_tests_with_package(self): @@ -3495,7 +3528,7 @@ class TestDiscovery(TestCase): def __eq__(self, other): return self.path == other.path - loader._get_module_from_path = lambda path: Module(path) + loader._get_module_from_name = lambda name: Module(name) def loadTestsFromModule(module, use_load_tests): if use_load_tests: raise self.failureException('use_load_tests should be False for packages') @@ -3510,15 +3543,12 @@ class TestDiscovery(TestCase): # We should have loaded tests from the test_directory package by calling load_tests # and directly from the test_directory2 package self.assertEqual(suite, - ['load_tests', - os.path.join('/foo', 'test_directory2') + ' module tests']) - self.assertEqual(Module.paths, [os.path.join('/foo', 'test_directory'), - os.path.join('/foo', 'test_directory2')]) + ['load_tests', 'test_directory2' + ' module tests']) + self.assertEqual(Module.paths, ['test_directory', 'test_directory2']) # load_tests should have been called once with loader, tests and pattern self.assertEqual(Module.load_tests_args, - [(loader, os.path.join('/foo', 'test_directory') + ' module tests', - 'test*')]) + [(loader, 'test_directory' + ' module tests', 'test*')]) def test_discover(self): loader = unittest.TestLoader() @@ -3558,6 +3588,25 @@ class TestDiscovery(TestCase): self.assertEqual(loader._top_level_dir, top_level_dir) self.assertEqual(_find_tests_args, [(start_dir, 'pattern')]) + def test_discover_with_modules_that_fail_to_import(self): + loader = unittest.TestLoader() + + listdir = os.listdir + os.listdir = lambda _: ['test_this_does_not_exist.py'] + isfile = os.path.isfile + os.path.isfile = lambda _: True + def restore(): + os.path.isfile = isfile + os.listdir = listdir + self.addCleanup(restore) + + suite = loader.discover('.') + self.assertEqual(suite.countTestCases(), 1) + test = list(list(suite)[0])[0] # extract test from suite + + with self.assertRaises(ImportError): + test.test_this_does_not_exist() + def test_command_line_handling_parseArgs(self): # Haha - take that uninstantiable class program = object.__new__(TestProgram) |