Edit: test_functiontestcase.py
import unittest from unittest.test.support import LoggingResult class Test_FunctionTestCase(unittest.TestCase): # "Return the number of tests represented by the this test object. For # TestCase instances, this will always be 1" def test_countTestCases(self): test = unittest.FunctionTestCase(lambda: None) self.assertEqual(test.countTestCases(), 1) # "When a setUp() method is defined, the test runner will run that method # prior to each test. Likewise, if a tearDown() method is defined, the # test runner will invoke that method after each test. In the example, # setUp() was used to create a fresh sequence for each test." # # Make sure the proper call order is maintained, even if setUp() raises # an exception. def test_run_call_order__error_in_setUp(self): events = [] result = LoggingResult(events) def setUp(): events.append('setUp') raise RuntimeError('raised by setUp') def test(): events.append('test') def tearDown(): events.append('tearDown') expected = ['startTest', 'setUp', 'addError', 'stopTest'] unittest.FunctionTestCase(test, setUp, tearDown).run(result) self.assertEqual(events, expected) # "When a setUp() method is defined, the test runner will run that method # prior to each test. Likewise, if a tearDown() method is defined, the # test runner will invoke that method after each test. In the example, # setUp() was used to create a fresh sequence for each test." # # Make sure the proper call order is maintained, even if the test raises # an error (as opposed to a failure). def test_run_call_order__error_in_test(self): events = [] result = LoggingResult(events) def setUp(): events.append('setUp') def test(): events.append('test') raise RuntimeError('raised by test') def tearDown(): events.append('tearDown') expected = ['startTest', 'setUp', 'test', 'addError', 'tearDown', 'stopTest'] unittest.FunctionTestCase(test, setUp, tearDown).run(result) self.assertEqual(events, expected) # "When a setUp() method is defined, the test runner will run that method # prior to each test. Likewise, if a tearDown() method is defined, the # test runner will invoke that method after each test. In the example, # setUp() was used to create a fresh sequence for each test." # # Make sure the proper call order is maintained, even if the test signals # a failure (as opposed to an error). def test_run_call_order__failure_in_test(self): events = [] result = LoggingResult(events) def setUp(): events.append('setUp') def test(): events.append('test') self.fail('raised by test') def tearDown(): events.append('tearDown') expected = ['startTest', 'setUp', 'test', 'addFailure', 'tearDown', 'stopTest'] unittest.FunctionTestCase(test, setUp, tearDown).run(result) self.assertEqual(events, expected) # "When a setUp() method is defined, the test runner will run that method # prior to each test. Likewise, if a tearDown() method is defined, the # test runner will invoke that method after each test. In the example, # setUp() was used to create a fresh sequence for each test." # # Make sure the proper call order is maintained, even if tearDown() raises # an exception. def test_run_call_order__error_in_tearDown(self): events = [] result = LoggingResult(events) def setUp(): events.append('setUp') def test(): events.append('test') def tearDown(): events.append('tearDown') raise RuntimeError('raised by tearDown') expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError', 'stopTest'] unittest.FunctionTestCase(test, setUp, tearDown).run(result) self.assertEqual(events, expected) # "Return a string identifying the specific test case." # # Because of the vague nature of the docs, I'm not going to lock this # test down too much. Really all that can be asserted is that the id() # will be a string (either 8-byte or unicode -- again, because the docs # just say "string") def test_id(self): test = unittest.FunctionTestCase(lambda: None) self.assertIsInstance(test.id(), basestring) # "Returns a one-line description of the test, or None if no description # has been provided. The default implementation of this method returns # the first line of the test method's docstring, if available, or None." def test_shortDescription__no_docstring(self): test = unittest.FunctionTestCase(lambda: None) self.assertEqual(test.shortDescription(), None) # "Returns a one-line description of the test, or None if no description # has been provided. The default implementation of this method returns # the first line of the test method's docstring, if available, or None." def test_shortDescription__singleline_docstring(self): desc = "this tests foo" test = unittest.FunctionTestCase(lambda: None, description=desc) self.assertEqual(test.shortDescription(), "this tests foo") if __name__ == '__main__': unittest.main()
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