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How to use countTestCases method in autotest

Best Python code snippet using autotest_python
test_suite.py
Source:test_suite.py
...34    #35    # The tests iterable should be optional36    def test_init__tests_optional(self):37        suite = unittest.TestSuite()38        self.assertEqual(suite.countTestCases(), 0)39        # countTestCases() still works after tests are run40        suite.run(unittest.TestResult())41        self.assertEqual(suite.countTestCases(), 0)42    # "class TestSuite([tests])"43    # ...44    # "If tests is given, it must be an iterable of individual test cases45    # or other test suites that will be used to build the suite initially"46    #47    # TestSuite should deal with empty tests iterables by allowing the48    # creation of an empty suite49    def test_init__empty_tests(self):50        suite = unittest.TestSuite([])51        self.assertEqual(suite.countTestCases(), 0)52        # countTestCases() still works after tests are run53        suite.run(unittest.TestResult())54        self.assertEqual(suite.countTestCases(), 0)55    # "class TestSuite([tests])"56    # ...57    # "If tests is given, it must be an iterable of individual test cases58    # or other test suites that will be used to build the suite initially"59    #60    # TestSuite should allow any iterable to provide tests61    def test_init__tests_from_any_iterable(self):62        def tests():63            yield unittest.FunctionTestCase(lambda: None)64            yield unittest.FunctionTestCase(lambda: None)65        suite_1 = unittest.TestSuite(tests())66        self.assertEqual(suite_1.countTestCases(), 2)67        suite_2 = unittest.TestSuite(suite_1)68        self.assertEqual(suite_2.countTestCases(), 2)69        suite_3 = unittest.TestSuite(set(suite_1))70        self.assertEqual(suite_3.countTestCases(), 2)71        # countTestCases() still works after tests are run72        suite_1.run(unittest.TestResult())73        self.assertEqual(suite_1.countTestCases(), 2)74        suite_2.run(unittest.TestResult())75        self.assertEqual(suite_2.countTestCases(), 2)76        suite_3.run(unittest.TestResult())77        self.assertEqual(suite_3.countTestCases(), 2)78    # "class TestSuite([tests])"79    # ...80    # "If tests is given, it must be an iterable of individual test cases81    # or other test suites that will be used to build the suite initially"82    #83    # Does TestSuite() also allow other TestSuite() instances to be present84    # in the tests iterable?85    def test_init__TestSuite_instances_in_tests(self):86        def tests():87            ftc = unittest.FunctionTestCase(lambda: None)88            yield unittest.TestSuite([ftc])89            yield unittest.FunctionTestCase(lambda: None)90        suite = unittest.TestSuite(tests())91        self.assertEqual(suite.countTestCases(), 2)92        # countTestCases() still works after tests are run93        suite.run(unittest.TestResult())94        self.assertEqual(suite.countTestCases(), 2)95    ################################################################96    ### /Tests for TestSuite.__init__97    # Container types should support the iter protocol98    def test_iter(self):99        test1 = unittest.FunctionTestCase(lambda: None)100        test2 = unittest.FunctionTestCase(lambda: None)101        suite = unittest.TestSuite((test1, test2))102        self.assertEqual(list(suite), [test1, test2])103    # "Return the number of tests represented by the this test object.104    # ...this method is also implemented by the TestSuite class, which can105    # return larger [greater than 1] values"106    #107    # Presumably an empty TestSuite returns 0?108    def test_countTestCases_zero_simple(self):109        suite = unittest.TestSuite()110        self.assertEqual(suite.countTestCases(), 0)111    # "Return the number of tests represented by the this test object.112    # ...this method is also implemented by the TestSuite class, which can113    # return larger [greater than 1] values"114    #115    # Presumably an empty TestSuite (even if it contains other empty116    # TestSuite instances) returns 0?117    def test_countTestCases_zero_nested(self):118        class Test1(unittest.TestCase):119            def test(self):120                pass121        suite = unittest.TestSuite([unittest.TestSuite()])122        self.assertEqual(suite.countTestCases(), 0)123    # "Return the number of tests represented by the this test object.124    # ...this method is also implemented by the TestSuite class, which can125    # return larger [greater than 1] values"126    def test_countTestCases_simple(self):127        test1 = unittest.FunctionTestCase(lambda: None)128        test2 = unittest.FunctionTestCase(lambda: None)129        suite = unittest.TestSuite((test1, test2))130        self.assertEqual(suite.countTestCases(), 2)131        # countTestCases() still works after tests are run132        suite.run(unittest.TestResult())133        self.assertEqual(suite.countTestCases(), 2)134    # "Return the number of tests represented by the this test object.135    # ...this method is also implemented by the TestSuite class, which can136    # return larger [greater than 1] values"137    #138    # Make sure this holds for nested TestSuite instances, too139    def test_countTestCases_nested(self):140        class Test1(unittest.TestCase):141            def test1(self): pass142            def test2(self): pass143        test2 = unittest.FunctionTestCase(lambda: None)144        test3 = unittest.FunctionTestCase(lambda: None)145        child = unittest.TestSuite((Test1('test2'), test2))146        parent = unittest.TestSuite((test3, child, Test1('test1')))147        self.assertEqual(parent.countTestCases(), 4)148        # countTestCases() still works after tests are run149        parent.run(unittest.TestResult())150        self.assertEqual(parent.countTestCases(), 4)151        self.assertEqual(child.countTestCases(), 2)152    # "Run the tests associated with this suite, collecting the result into153    # the test result object passed as result."154    #155    # And if there are no tests? What then?156    def test_run__empty_suite(self):157        events = []158        result = LoggingResult(events)159        suite = unittest.TestSuite()160        suite.run(result)161        self.assertEqual(events, [])162    # "Note that unlike TestCase.run(), TestSuite.run() requires the163    # "result object to be passed in."164    def test_run__requires_result(self):165        suite = unittest.TestSuite()166        try:167            suite.run()168        except TypeError:169            pass170        else:171            self.fail("Failed to raise TypeError")172    # "Run the tests associated with this suite, collecting the result into173    # the test result object passed as result."174    def test_run(self):175        events = []176        result = LoggingResult(events)177        class LoggingCase(unittest.TestCase):178            def run(self, result):179                events.append('run %s' % self._testMethodName)180            def test1(self): pass181            def test2(self): pass182        tests = [LoggingCase('test1'), LoggingCase('test2')]183        unittest.TestSuite(tests).run(result)184        self.assertEqual(events, ['run test1', 'run test2'])185    # "Add a TestCase ... to the suite"186    def test_addTest__TestCase(self):187        class Foo(unittest.TestCase):188            def test(self): pass189        test = Foo('test')190        suite = unittest.TestSuite()191        suite.addTest(test)192        self.assertEqual(suite.countTestCases(), 1)193        self.assertEqual(list(suite), [test])194        # countTestCases() still works after tests are run195        suite.run(unittest.TestResult())196        self.assertEqual(suite.countTestCases(), 1)197    # "Add a ... TestSuite to the suite"198    def test_addTest__TestSuite(self):199        class Foo(unittest.TestCase):200            def test(self): pass201        suite_2 = unittest.TestSuite([Foo('test')])202        suite = unittest.TestSuite()203        suite.addTest(suite_2)204        self.assertEqual(suite.countTestCases(), 1)205        self.assertEqual(list(suite), [suite_2])206        # countTestCases() still works after tests are run207        suite.run(unittest.TestResult())208        self.assertEqual(suite.countTestCases(), 1)209    # "Add all the tests from an iterable of TestCase and TestSuite210    # instances to this test suite."211    #212    # "This is equivalent to iterating over tests, calling addTest() for213    # each element"214    def test_addTests(self):215        class Foo(unittest.TestCase):216            def test_1(self): pass217            def test_2(self): pass218        test_1 = Foo('test_1')219        test_2 = Foo('test_2')220        inner_suite = unittest.TestSuite([test_2])221        def gen():222            yield test_1223            yield test_2224            yield inner_suite225        suite_1 = unittest.TestSuite()226        suite_1.addTests(gen())227        self.assertEqual(list(suite_1), list(gen()))228        # "This is equivalent to iterating over tests, calling addTest() for229        # each element"230        suite_2 = unittest.TestSuite()231        for t in gen():232            suite_2.addTest(t)233        self.assertEqual(suite_1, suite_2)234    # "Add all the tests from an iterable of TestCase and TestSuite235    # instances to this test suite."236    #237    # What happens if it doesn't get an iterable?238    def test_addTest__noniterable(self):239        suite = unittest.TestSuite()240        try:241            suite.addTests(5)242        except TypeError:243            pass244        else:245            self.fail("Failed to raise TypeError")246    def test_addTest__noncallable(self):247        suite = unittest.TestSuite()248        self.assertRaises(TypeError, suite.addTest, 5)249    def test_addTest__casesuiteclass(self):250        suite = unittest.TestSuite()251        self.assertRaises(TypeError, suite.addTest, Test_TestSuite)252        self.assertRaises(TypeError, suite.addTest, unittest.TestSuite)253    def test_addTests__string(self):254        suite = unittest.TestSuite()255        self.assertRaises(TypeError, suite.addTests, "foo")256    def test_function_in_suite(self):257        def f(_):258            pass259        suite = unittest.TestSuite()260        suite.addTest(f)261        # when the bug is fixed this line will not crash262        suite.run(unittest.TestResult())263    def test_remove_test_at_index(self):264        if not unittest.BaseTestSuite._cleanup:265            raise unittest.SkipTest("Suite cleanup is disabled")266        suite = unittest.TestSuite()267        suite._tests = [1, 2, 3]268        suite._removeTestAtIndex(1)269        self.assertEqual([1, None, 3], suite._tests)270    def test_remove_test_at_index_not_indexable(self):271        if not unittest.BaseTestSuite._cleanup:272            raise unittest.SkipTest("Suite cleanup is disabled")273        suite = unittest.TestSuite()274        suite._tests = None275        # if _removeAtIndex raises for noniterables this next line will break276        suite._removeTestAtIndex(2)277    def assert_garbage_collect_test_after_run(self, TestSuiteClass):278        if not unittest.BaseTestSuite._cleanup:279            raise unittest.SkipTest("Suite cleanup is disabled")280        class Foo(unittest.TestCase):281            def test_nothing(self):282                pass283        test = Foo('test_nothing')284        wref = weakref.ref(test)285        suite = TestSuiteClass([wref()])286        suite.run(unittest.TestResult())287        del test288        # for the benefit of non-reference counting implementations289        gc.collect()290        self.assertEqual(suite._tests, [None])291        self.assertIsNone(wref())292    def test_garbage_collect_test_after_run_BaseTestSuite(self):293        self.assert_garbage_collect_test_after_run(unittest.BaseTestSuite)294    def test_garbage_collect_test_after_run_TestSuite(self):295        self.assert_garbage_collect_test_after_run(unittest.TestSuite)296    def test_basetestsuite(self):297        class Test(unittest.TestCase):298            wasSetUp = False299            wasTornDown = False300            @classmethod301            def setUpClass(cls):302                cls.wasSetUp = True303            @classmethod304            def tearDownClass(cls):305                cls.wasTornDown = True306            def testPass(self):307                pass308            def testFail(self):309                fail310        class Module(object):311            wasSetUp = False312            wasTornDown = False313            @staticmethod314            def setUpModule():315                Module.wasSetUp = True316            @staticmethod317            def tearDownModule():318                Module.wasTornDown = True319        Test.__module__ = 'Module'320        sys.modules['Module'] = Module321        self.addCleanup(sys.modules.pop, 'Module')322        suite = unittest.BaseTestSuite()323        suite.addTests([Test('testPass'), Test('testFail')])324        self.assertEqual(suite.countTestCases(), 2)325        result = unittest.TestResult()326        suite.run(result)327        self.assertFalse(Module.wasSetUp)328        self.assertFalse(Module.wasTornDown)329        self.assertFalse(Test.wasSetUp)330        self.assertFalse(Test.wasTornDown)331        self.assertEqual(len(result.errors), 1)332        self.assertEqual(len(result.failures), 0)333        self.assertEqual(result.testsRun, 2)334        self.assertEqual(suite.countTestCases(), 2)335    def test_overriding_call(self):336        class MySuite(unittest.TestSuite):337            called = False338            def __call__(self, *args, **kw):339                self.called = True340                unittest.TestSuite.__call__(self, *args, **kw)341        suite = MySuite()342        result = unittest.TestResult()343        wrapper = unittest.TestSuite()344        wrapper.addTest(suite)345        wrapper(result)346        self.assertTrue(suite.called)347        # reusing results should be permitted even if abominable348        self.assertFalse(result._testRunEntered)...
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