| import io |
| import os |
| import sys |
| import pickle |
| import subprocess |
| |
| import unittest |
| from unittest.case import _Outcome |
| |
| from .support import LoggingResult, ResultWithNoStartTestRunStopTestRun |
| |
| |
| class TestCleanUp(unittest.TestCase): |
| |
| def testCleanUp(self): |
| class TestableTest(unittest.TestCase): |
| def testNothing(self): |
| pass |
| |
| test = TestableTest('testNothing') |
| self.assertEqual(test._cleanups, []) |
| |
| cleanups = [] |
| |
| def cleanup1(*args, **kwargs): |
| cleanups.append((1, args, kwargs)) |
| |
| def cleanup2(*args, **kwargs): |
| cleanups.append((2, args, kwargs)) |
| |
| test.addCleanup(cleanup1, 1, 2, 3, four='hello', five='goodbye') |
| test.addCleanup(cleanup2) |
| |
| self.assertEqual(test._cleanups, |
| [(cleanup1, (1, 2, 3), dict(four='hello', five='goodbye')), |
| (cleanup2, (), {})]) |
| |
| self.assertTrue(test.doCleanups()) |
| self.assertEqual(cleanups, [(2, (), {}), (1, (1, 2, 3), dict(four='hello', five='goodbye'))]) |
| |
| def testCleanUpWithErrors(self): |
| class TestableTest(unittest.TestCase): |
| def testNothing(self): |
| pass |
| |
| test = TestableTest('testNothing') |
| outcome = test._outcome = _Outcome() |
| |
| exc1 = Exception('foo') |
| exc2 = Exception('bar') |
| def cleanup1(): |
| raise exc1 |
| |
| def cleanup2(): |
| raise exc2 |
| |
| test.addCleanup(cleanup1) |
| test.addCleanup(cleanup2) |
| |
| self.assertFalse(test.doCleanups()) |
| self.assertFalse(outcome.success) |
| |
| ((_, (Type1, instance1, _)), |
| (_, (Type2, instance2, _))) = reversed(outcome.errors) |
| self.assertEqual((Type1, instance1), (Exception, exc1)) |
| self.assertEqual((Type2, instance2), (Exception, exc2)) |
| |
| def testCleanupInRun(self): |
| blowUp = False |
| ordering = [] |
| |
| class TestableTest(unittest.TestCase): |
| def setUp(self): |
| ordering.append('setUp') |
| if blowUp: |
| raise Exception('foo') |
| |
| def testNothing(self): |
| ordering.append('test') |
| |
| def tearDown(self): |
| ordering.append('tearDown') |
| |
| test = TestableTest('testNothing') |
| |
| def cleanup1(): |
| ordering.append('cleanup1') |
| def cleanup2(): |
| ordering.append('cleanup2') |
| test.addCleanup(cleanup1) |
| test.addCleanup(cleanup2) |
| |
| def success(some_test): |
| self.assertEqual(some_test, test) |
| ordering.append('success') |
| |
| result = unittest.TestResult() |
| result.addSuccess = success |
| |
| test.run(result) |
| self.assertEqual(ordering, ['setUp', 'test', 'tearDown', |
| 'cleanup2', 'cleanup1', 'success']) |
| |
| blowUp = True |
| ordering = [] |
| test = TestableTest('testNothing') |
| test.addCleanup(cleanup1) |
| test.run(result) |
| self.assertEqual(ordering, ['setUp', 'cleanup1']) |
| |
| def testTestCaseDebugExecutesCleanups(self): |
| ordering = [] |
| |
| class TestableTest(unittest.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']) |
| |
| |
| class Test_TextTestRunner(unittest.TestCase): |
| """Tests for TextTestRunner.""" |
| |
| def setUp(self): |
| # clean the environment from pre-existing PYTHONWARNINGS to make |
| # test_warnings results consistent |
| self.pythonwarnings = os.environ.get('PYTHONWARNINGS') |
| if self.pythonwarnings: |
| del os.environ['PYTHONWARNINGS'] |
| |
| def tearDown(self): |
| # bring back pre-existing PYTHONWARNINGS if present |
| if self.pythonwarnings: |
| os.environ['PYTHONWARNINGS'] = self.pythonwarnings |
| |
| def test_init(self): |
| runner = unittest.TextTestRunner() |
| self.assertFalse(runner.failfast) |
| self.assertFalse(runner.buffer) |
| self.assertEqual(runner.verbosity, 1) |
| self.assertEqual(runner.warnings, None) |
| self.assertTrue(runner.descriptions) |
| self.assertEqual(runner.resultclass, unittest.TextTestResult) |
| |
| |
| def test_multiple_inheritance(self): |
| class AResult(unittest.TestResult): |
| def __init__(self, stream, descriptions, verbosity): |
| super(AResult, self).__init__(stream, descriptions, verbosity) |
| |
| class ATextResult(unittest.TextTestResult, AResult): |
| pass |
| |
| # This used to raise an exception due to TextTestResult not passing |
| # on arguments in its __init__ super call |
| ATextResult(None, None, 1) |
| |
| |
| def testBufferAndFailfast(self): |
| class Test(unittest.TestCase): |
| def testFoo(self): |
| pass |
| result = unittest.TestResult() |
| runner = unittest.TextTestRunner(stream=io.StringIO(), failfast=True, |
| buffer=True) |
| # Use our result object |
| runner._makeResult = lambda: result |
| runner.run(Test('testFoo')) |
| |
| self.assertTrue(result.failfast) |
| self.assertTrue(result.buffer) |
| |
| def testRunnerRegistersResult(self): |
| class Test(unittest.TestCase): |
| def testFoo(self): |
| pass |
| originalRegisterResult = unittest.runner.registerResult |
| def cleanup(): |
| unittest.runner.registerResult = originalRegisterResult |
| self.addCleanup(cleanup) |
| |
| result = unittest.TestResult() |
| runner = unittest.TextTestRunner(stream=io.StringIO()) |
| # Use our result object |
| runner._makeResult = lambda: result |
| |
| self.wasRegistered = 0 |
| def fakeRegisterResult(thisResult): |
| self.wasRegistered += 1 |
| self.assertEqual(thisResult, result) |
| unittest.runner.registerResult = fakeRegisterResult |
| |
| runner.run(unittest.TestSuite()) |
| self.assertEqual(self.wasRegistered, 1) |
| |
| def test_works_with_result_without_startTestRun_stopTestRun(self): |
| class OldTextResult(ResultWithNoStartTestRunStopTestRun): |
| separator2 = '' |
| def printErrors(self): |
| pass |
| |
| class Runner(unittest.TextTestRunner): |
| def __init__(self): |
| super(Runner, self).__init__(io.StringIO()) |
| |
| def _makeResult(self): |
| return OldTextResult() |
| |
| runner = Runner() |
| runner.run(unittest.TestSuite()) |
| |
| def test_startTestRun_stopTestRun_called(self): |
| class LoggingTextResult(LoggingResult): |
| separator2 = '' |
| def printErrors(self): |
| pass |
| |
| class LoggingRunner(unittest.TextTestRunner): |
| def __init__(self, events): |
| super(LoggingRunner, self).__init__(io.StringIO()) |
| self._events = events |
| |
| def _makeResult(self): |
| return LoggingTextResult(self._events) |
| |
| events = [] |
| runner = LoggingRunner(events) |
| runner.run(unittest.TestSuite()) |
| expected = ['startTestRun', 'stopTestRun'] |
| self.assertEqual(events, expected) |
| |
| def test_pickle_unpickle(self): |
| # Issue #7197: a TextTestRunner should be (un)pickleable. This is |
| # required by test_multiprocessing under Windows (in verbose mode). |
| stream = io.StringIO("foo") |
| runner = unittest.TextTestRunner(stream) |
| for protocol in range(2, pickle.HIGHEST_PROTOCOL + 1): |
| s = pickle.dumps(runner, protocol) |
| obj = pickle.loads(s) |
| # StringIO objects never compare equal, a cheap test instead. |
| self.assertEqual(obj.stream.getvalue(), stream.getvalue()) |
| |
| def test_resultclass(self): |
| def MockResultClass(*args): |
| return args |
| STREAM = object() |
| DESCRIPTIONS = object() |
| VERBOSITY = object() |
| runner = unittest.TextTestRunner(STREAM, DESCRIPTIONS, VERBOSITY, |
| resultclass=MockResultClass) |
| self.assertEqual(runner.resultclass, MockResultClass) |
| |
| expectedresult = (runner.stream, DESCRIPTIONS, VERBOSITY) |
| self.assertEqual(runner._makeResult(), expectedresult) |
| |
| def test_warnings(self): |
| """ |
| Check that warnings argument of TextTestRunner correctly affects the |
| behavior of the warnings. |
| """ |
| # see #10535 and the _test_warnings file for more information |
| |
| def get_parse_out_err(p): |
| return [b.splitlines() for b in p.communicate()] |
| opts = dict(stdout=subprocess.PIPE, stderr=subprocess.PIPE, |
| cwd=os.path.dirname(__file__)) |
| ae_msg = b'Please use assertEqual instead.' |
| at_msg = b'Please use assertTrue instead.' |
| |
| # no args -> all the warnings are printed, unittest warnings only once |
| p = subprocess.Popen([sys.executable, '_test_warnings.py'], **opts) |
| out, err = get_parse_out_err(p) |
| self.assertIn(b'OK', err) |
| # check that the total number of warnings in the output is correct |
| self.assertEqual(len(out), 12) |
| # check that the numbers of the different kind of warnings is correct |
| for msg in [b'dw', b'iw', b'uw']: |
| self.assertEqual(out.count(msg), 3) |
| for msg in [ae_msg, at_msg, b'rw']: |
| self.assertEqual(out.count(msg), 1) |
| |
| args_list = ( |
| # passing 'ignore' as warnings arg -> no warnings |
| [sys.executable, '_test_warnings.py', 'ignore'], |
| # -W doesn't affect the result if the arg is passed |
| [sys.executable, '-Wa', '_test_warnings.py', 'ignore'], |
| # -W affects the result if the arg is not passed |
| [sys.executable, '-Wi', '_test_warnings.py'] |
| ) |
| # in all these cases no warnings are printed |
| for args in args_list: |
| p = subprocess.Popen(args, **opts) |
| out, err = get_parse_out_err(p) |
| self.assertIn(b'OK', err) |
| self.assertEqual(len(out), 0) |
| |
| |
| # passing 'always' as warnings arg -> all the warnings printed, |
| # unittest warnings only once |
| p = subprocess.Popen([sys.executable, '_test_warnings.py', 'always'], |
| **opts) |
| out, err = get_parse_out_err(p) |
| self.assertIn(b'OK', err) |
| self.assertEqual(len(out), 14) |
| for msg in [b'dw', b'iw', b'uw', b'rw']: |
| self.assertEqual(out.count(msg), 3) |
| for msg in [ae_msg, at_msg]: |
| self.assertEqual(out.count(msg), 1) |
| |
| def testStdErrLookedUpAtInstantiationTime(self): |
| # see issue 10786 |
| old_stderr = sys.stderr |
| f = io.StringIO() |
| sys.stderr = f |
| try: |
| runner = unittest.TextTestRunner() |
| self.assertTrue(runner.stream.stream is f) |
| finally: |
| sys.stderr = old_stderr |
| |
| def testSpecifiedStreamUsed(self): |
| # see issue 10786 |
| f = io.StringIO() |
| runner = unittest.TextTestRunner(f) |
| self.assertTrue(runner.stream.stream is f) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |