359 lines
12 KiB
Python
359 lines
12 KiB
Python
import io
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import sys
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import warnings
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from test import support
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import unittest
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class Test_TestResult(unittest.TestCase):
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# Note: there are not separate tests for TestResult.wasSuccessful(),
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# TestResult.errors, TestResult.failures, TestResult.testsRun or
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# TestResult.shouldStop because these only have meaning in terms of
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# other TestResult methods.
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#
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# Accordingly, tests for the aforenamed attributes are incorporated
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# in with the tests for the defining methods.
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################################################################
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def test_init(self):
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result = unittest.TestResult()
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self.assertTrue(result.wasSuccessful())
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.failures), 0)
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self.assertEqual(result.testsRun, 0)
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self.assertEqual(result.shouldStop, False)
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# "This method can be called to signal that the set of tests being
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# run should be aborted by setting the TestResult's shouldStop
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# attribute to True."
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def test_stop(self):
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result = unittest.TestResult()
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result.stop()
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self.assertEqual(result.shouldStop, True)
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# "Called when the test case test is about to be run. The default
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# implementation simply increments the instance's testsRun counter."
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def test_startTest(self):
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class Foo(unittest.TestCase):
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def test_1(self):
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pass
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test = Foo('test_1')
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result = unittest.TestResult()
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result.startTest(test)
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self.assertTrue(result.wasSuccessful())
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.failures), 0)
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self.assertEqual(result.testsRun, 1)
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self.assertEqual(result.shouldStop, False)
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result.stopTest(test)
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# "Called after the test case test has been executed, regardless of
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# the outcome. The default implementation does nothing."
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def test_stopTest(self):
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class Foo(unittest.TestCase):
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def test_1(self):
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pass
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test = Foo('test_1')
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result = unittest.TestResult()
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result.startTest(test)
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self.assertTrue(result.wasSuccessful())
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.failures), 0)
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self.assertEqual(result.testsRun, 1)
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self.assertEqual(result.shouldStop, False)
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result.stopTest(test)
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# Same tests as above; make sure nothing has changed
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self.assertTrue(result.wasSuccessful())
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.failures), 0)
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self.assertEqual(result.testsRun, 1)
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self.assertEqual(result.shouldStop, False)
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# "Called before and after tests are run. The default implementation does nothing."
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def test_startTestRun_stopTestRun(self):
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result = unittest.TestResult()
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result.startTestRun()
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result.stopTestRun()
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# "addSuccess(test)"
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# ...
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# "Called when the test case test succeeds"
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# ...
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# "wasSuccessful() - Returns True if all tests run so far have passed,
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# otherwise returns False"
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# ...
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# "testsRun - The total number of tests run so far."
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# ...
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# "errors - A list containing 2-tuples of TestCase instances and
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# formatted tracebacks. Each tuple represents a test which raised an
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# unexpected exception. Contains formatted
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# tracebacks instead of sys.exc_info() results."
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# ...
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# "failures - A list containing 2-tuples of TestCase instances and
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# formatted tracebacks. Each tuple represents a test where a failure was
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# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
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# methods. Contains formatted tracebacks instead
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# of sys.exc_info() results."
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def test_addSuccess(self):
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class Foo(unittest.TestCase):
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def test_1(self):
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pass
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test = Foo('test_1')
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result = unittest.TestResult()
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result.startTest(test)
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result.addSuccess(test)
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result.stopTest(test)
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self.assertTrue(result.wasSuccessful())
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.failures), 0)
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self.assertEqual(result.testsRun, 1)
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self.assertEqual(result.shouldStop, False)
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# "addFailure(test, err)"
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# ...
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# "Called when the test case test signals a failure. err is a tuple of
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# the form returned by sys.exc_info(): (type, value, traceback)"
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# ...
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# "wasSuccessful() - Returns True if all tests run so far have passed,
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# otherwise returns False"
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# ...
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# "testsRun - The total number of tests run so far."
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# ...
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# "errors - A list containing 2-tuples of TestCase instances and
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# formatted tracebacks. Each tuple represents a test which raised an
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# unexpected exception. Contains formatted
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# tracebacks instead of sys.exc_info() results."
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# ...
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# "failures - A list containing 2-tuples of TestCase instances and
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# formatted tracebacks. Each tuple represents a test where a failure was
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# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
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# methods. Contains formatted tracebacks instead
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# of sys.exc_info() results."
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def test_addFailure(self):
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class Foo(unittest.TestCase):
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def test_1(self):
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pass
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test = Foo('test_1')
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try:
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test.fail("foo")
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except:
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exc_info_tuple = sys.exc_info()
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result = unittest.TestResult()
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result.startTest(test)
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result.addFailure(test, exc_info_tuple)
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result.stopTest(test)
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self.assertFalse(result.wasSuccessful())
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.failures), 1)
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self.assertEqual(result.testsRun, 1)
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self.assertEqual(result.shouldStop, False)
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test_case, formatted_exc = result.failures[0]
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self.assertTrue(test_case is test)
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self.assertIsInstance(formatted_exc, str)
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# "addError(test, err)"
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# ...
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# "Called when the test case test raises an unexpected exception err
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# is a tuple of the form returned by sys.exc_info():
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# (type, value, traceback)"
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# ...
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# "wasSuccessful() - Returns True if all tests run so far have passed,
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# otherwise returns False"
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# ...
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# "testsRun - The total number of tests run so far."
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# ...
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# "errors - A list containing 2-tuples of TestCase instances and
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# formatted tracebacks. Each tuple represents a test which raised an
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# unexpected exception. Contains formatted
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# tracebacks instead of sys.exc_info() results."
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# ...
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# "failures - A list containing 2-tuples of TestCase instances and
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# formatted tracebacks. Each tuple represents a test where a failure was
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# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
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# methods. Contains formatted tracebacks instead
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# of sys.exc_info() results."
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def test_addError(self):
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class Foo(unittest.TestCase):
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def test_1(self):
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pass
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test = Foo('test_1')
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try:
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raise TypeError()
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except:
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exc_info_tuple = sys.exc_info()
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result = unittest.TestResult()
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result.startTest(test)
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result.addError(test, exc_info_tuple)
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result.stopTest(test)
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self.assertFalse(result.wasSuccessful())
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self.assertEqual(len(result.errors), 1)
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self.assertEqual(len(result.failures), 0)
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self.assertEqual(result.testsRun, 1)
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self.assertEqual(result.shouldStop, False)
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test_case, formatted_exc = result.errors[0]
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self.assertTrue(test_case is test)
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self.assertIsInstance(formatted_exc, str)
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def testGetDescriptionWithoutDocstring(self):
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result = unittest.TextTestResult(None, True, 1)
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self.assertEqual(
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result.getDescription(self),
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'testGetDescriptionWithoutDocstring (' + __name__ +
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'.Test_TestResult)')
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@unittest.skipIf(sys.flags.optimize >= 2,
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"Docstrings are omitted with -O2 and above")
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def testGetDescriptionWithOneLineDocstring(self):
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"""Tests getDescription() for a method with a docstring."""
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result = unittest.TextTestResult(None, True, 1)
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self.assertEqual(
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result.getDescription(self),
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('testGetDescriptionWithOneLineDocstring '
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'(' + __name__ + '.Test_TestResult)\n'
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'Tests getDescription() for a method with a docstring.'))
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@unittest.skipIf(sys.flags.optimize >= 2,
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"Docstrings are omitted with -O2 and above")
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def testGetDescriptionWithMultiLineDocstring(self):
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"""Tests getDescription() for a method with a longer docstring.
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The second line of the docstring.
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"""
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result = unittest.TextTestResult(None, True, 1)
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self.assertEqual(
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result.getDescription(self),
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('testGetDescriptionWithMultiLineDocstring '
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'(' + __name__ + '.Test_TestResult)\n'
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'Tests getDescription() for a method with a longer '
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'docstring.'))
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def testStackFrameTrimming(self):
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class Frame(object):
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class tb_frame(object):
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f_globals = {}
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result = unittest.TestResult()
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self.assertFalse(result._is_relevant_tb_level(Frame))
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Frame.tb_frame.f_globals['__unittest'] = True
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self.assertTrue(result._is_relevant_tb_level(Frame))
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def testFailFast(self):
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result = unittest.TestResult()
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result._exc_info_to_string = lambda *_: ''
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result.failfast = True
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result.addError(None, None)
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self.assertTrue(result.shouldStop)
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result = unittest.TestResult()
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result._exc_info_to_string = lambda *_: ''
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result.failfast = True
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result.addFailure(None, None)
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self.assertTrue(result.shouldStop)
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result = unittest.TestResult()
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result._exc_info_to_string = lambda *_: ''
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result.failfast = True
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result.addUnexpectedSuccess(None)
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self.assertTrue(result.shouldStop)
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def testFailFastSetByRunner(self):
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runner = unittest.TextTestRunner(stream=io.StringIO(), failfast=True)
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def test(result):
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self.assertTrue(result.failfast)
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result = runner.run(test)
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classDict = dict(unittest.TestResult.__dict__)
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for m in ('addSkip', 'addExpectedFailure', 'addUnexpectedSuccess',
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'__init__'):
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del classDict[m]
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def __init__(self, stream=None, descriptions=None, verbosity=None):
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self.failures = []
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self.errors = []
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self.testsRun = 0
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self.shouldStop = False
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classDict['__init__'] = __init__
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OldResult = type('OldResult', (object,), classDict)
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class Test_OldTestResult(unittest.TestCase):
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def assertOldResultWarning(self, test, failures):
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with warnings.catch_warnings(record=True) as log:
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result = OldResult()
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test.run(result)
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self.assertEqual(len(result.failures), failures)
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warning, = log
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self.assertIs(warning.category, RuntimeWarning)
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def testOldTestResult(self):
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class Test(unittest.TestCase):
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def testSkip(self):
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self.skipTest('foobar')
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@unittest.expectedFailure
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def testExpectedFail(self):
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raise TypeError
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@unittest.expectedFailure
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def testUnexpectedSuccess(self):
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pass
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for test_name, should_pass in (('testSkip', True),
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('testExpectedFail', True),
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('testUnexpectedSuccess', False)):
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test = Test(test_name)
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self.assertOldResultWarning(test, int(not should_pass))
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def testOldTestTesultSetup(self):
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class Test(unittest.TestCase):
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def setUp(self):
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self.skipTest('no reason')
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def testFoo(self):
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pass
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self.assertOldResultWarning(Test('testFoo'), 0)
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def testOldTestResultClass(self):
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@unittest.skip('no reason')
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class Test(unittest.TestCase):
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def testFoo(self):
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pass
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self.assertOldResultWarning(Test('testFoo'), 0)
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def testOldResultWithRunner(self):
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class Test(unittest.TestCase):
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def testFoo(self):
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pass
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runner = unittest.TextTestRunner(resultclass=OldResult,
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stream=io.StringIO())
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# This will raise an exception if TextTestRunner can't handle old
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# test result objects
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runner.run(Test('testFoo'))
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