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Breaking test_unittest.py into a package. Manual merge of revision 79432.

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Michael Foord 2010-03-27 12:34:21 +00:00
parent ab4d63b7f7
commit 2560e5cf53
14 changed files with 4432 additions and 4394 deletions
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358
Lib/unittest/test/test_result.py Normal file
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import io
import sys
import warnings
from test import support
import unittest
class Test_TestResult(unittest.TestCase):
# Note: there are not separate tests for TestResult.wasSuccessful(),
# TestResult.errors, TestResult.failures, TestResult.testsRun or
# TestResult.shouldStop because these only have meaning in terms of
# other TestResult methods.
#
# Accordingly, tests for the aforenamed attributes are incorporated
# in with the tests for the defining methods.
################################################################
def test_init(self):
result = unittest.TestResult()
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 0)
self.assertEqual(result.shouldStop, False)
# "This method can be called to signal that the set of tests being
# run should be aborted by setting the TestResult's shouldStop
# attribute to True."
def test_stop(self):
result = unittest.TestResult()
result.stop()
self.assertEqual(result.shouldStop, True)
# "Called when the test case test is about to be run. The default
# implementation simply increments the instance's testsRun counter."
def test_startTest(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
result = unittest.TestResult()
result.startTest(test)
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
result.stopTest(test)
# "Called after the test case test has been executed, regardless of
# the outcome. The default implementation does nothing."
def test_stopTest(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
result = unittest.TestResult()
result.startTest(test)
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
result.stopTest(test)
# Same tests as above; make sure nothing has changed
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
# "Called before and after tests are run. The default implementation does nothing."
def test_startTestRun_stopTestRun(self):
result = unittest.TestResult()
result.startTestRun()
result.stopTestRun()
# "addSuccess(test)"
# ...
# "Called when the test case test succeeds"
# ...
# "wasSuccessful() - Returns True if all tests run so far have passed,
# otherwise returns False"
# ...
# "testsRun - The total number of tests run so far."
# ...
# "errors - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test which raised an
# unexpected exception. Contains formatted
# tracebacks instead of sys.exc_info() results."
# ...
# "failures - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test where a failure was
# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
# methods. Contains formatted tracebacks instead
# of sys.exc_info() results."
def test_addSuccess(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
result = unittest.TestResult()
result.startTest(test)
result.addSuccess(test)
result.stopTest(test)
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
# "addFailure(test, err)"
# ...
# "Called when the test case test signals a failure. err is a tuple of
# the form returned by sys.exc_info(): (type, value, traceback)"
# ...
# "wasSuccessful() - Returns True if all tests run so far have passed,
# otherwise returns False"
# ...
# "testsRun - The total number of tests run so far."
# ...
# "errors - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test which raised an
# unexpected exception. Contains formatted
# tracebacks instead of sys.exc_info() results."
# ...
# "failures - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test where a failure was
# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
# methods. Contains formatted tracebacks instead
# of sys.exc_info() results."
def test_addFailure(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
try:
test.fail("foo")
except:
exc_info_tuple = sys.exc_info()
result = unittest.TestResult()
result.startTest(test)
result.addFailure(test, exc_info_tuple)
result.stopTest(test)
self.assertFalse(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 1)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
test_case, formatted_exc = result.failures[0]
self.assertTrue(test_case is test)
self.assertIsInstance(formatted_exc, str)
# "addError(test, err)"
# ...
# "Called when the test case test raises an unexpected exception err
# is a tuple of the form returned by sys.exc_info():
# (type, value, traceback)"
# ...
# "wasSuccessful() - Returns True if all tests run so far have passed,
# otherwise returns False"
# ...
# "testsRun - The total number of tests run so far."
# ...
# "errors - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test which raised an
# unexpected exception. Contains formatted
# tracebacks instead of sys.exc_info() results."
# ...
# "failures - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test where a failure was
# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
# methods. Contains formatted tracebacks instead
# of sys.exc_info() results."
def test_addError(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
try:
raise TypeError()
except:
exc_info_tuple = sys.exc_info()
result = unittest.TestResult()
result.startTest(test)
result.addError(test, exc_info_tuple)
result.stopTest(test)
self.assertFalse(result.wasSuccessful())
self.assertEqual(len(result.errors), 1)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
test_case, formatted_exc = result.errors[0]
self.assertTrue(test_case is test)
self.assertIsInstance(formatted_exc, str)
def testGetDescriptionWithoutDocstring(self):
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self),
'testGetDescriptionWithoutDocstring (' + __name__ +
'.Test_TestResult)')
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetDescriptionWithOneLineDocstring(self):
"""Tests getDescription() for a method with a docstring."""
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self),
('testGetDescriptionWithOneLineDocstring '
'(' + __name__ + '.Test_TestResult)\n'
'Tests getDescription() for a method with a docstring.'))
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetDescriptionWithMultiLineDocstring(self):
"""Tests getDescription() for a method with a longer docstring.
The second line of the docstring.
"""
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self),
('testGetDescriptionWithMultiLineDocstring '
'(' + __name__ + '.Test_TestResult)\n'
'Tests getDescription() for a method with a longer '
'docstring.'))
def testStackFrameTrimming(self):
class Frame(object):
class tb_frame(object):
f_globals = {}
result = unittest.TestResult()
self.assertFalse(result._is_relevant_tb_level(Frame))
Frame.tb_frame.f_globals['__unittest'] = True
self.assertTrue(result._is_relevant_tb_level(Frame))
def testFailFast(self):
result = unittest.TestResult()
result._exc_info_to_string = lambda *_: ''
result.failfast = True
result.addError(None, None)
self.assertTrue(result.shouldStop)
result = unittest.TestResult()
result._exc_info_to_string = lambda *_: ''
result.failfast = True
result.addFailure(None, None)
self.assertTrue(result.shouldStop)
result = unittest.TestResult()
result._exc_info_to_string = lambda *_: ''
result.failfast = True
result.addUnexpectedSuccess(None)
self.assertTrue(result.shouldStop)
def testFailFastSetByRunner(self):
runner = unittest.TextTestRunner(stream=io.StringIO(), failfast=True)
def test(result):
self.assertTrue(result.failfast)
result = runner.run(test)
classDict = dict(unittest.TestResult.__dict__)
for m in ('addSkip', 'addExpectedFailure', 'addUnexpectedSuccess',
'__init__'):
del classDict[m]
def __init__(self, stream=None, descriptions=None, verbosity=None):
self.failures = []
self.errors = []
self.testsRun = 0
self.shouldStop = False
classDict['__init__'] = __init__
OldResult = type('OldResult', (object,), classDict)
class Test_OldTestResult(unittest.TestCase):
def assertOldResultWarning(self, test, failures):
with warnings.catch_warnings(record=True) as log:
result = OldResult()
test.run(result)
self.assertEqual(len(result.failures), failures)
warning, = log
self.assertIs(warning.category, RuntimeWarning)
def testOldTestResult(self):
class Test(unittest.TestCase):
def testSkip(self):
self.skipTest('foobar')
@unittest.expectedFailure
def testExpectedFail(self):
raise TypeError
@unittest.expectedFailure
def testUnexpectedSuccess(self):
pass
for test_name, should_pass in (('testSkip', True),
('testExpectedFail', True),
('testUnexpectedSuccess', False)):
test = Test(test_name)
self.assertOldResultWarning(test, int(not should_pass))
def testOldTestTesultSetup(self):
class Test(unittest.TestCase):
def setUp(self):
self.skipTest('no reason')
def testFoo(self):
pass
self.assertOldResultWarning(Test('testFoo'), 0)
def testOldTestResultClass(self):
@unittest.skip('no reason')
class Test(unittest.TestCase):
def testFoo(self):
pass
self.assertOldResultWarning(Test('testFoo'), 0)
def testOldResultWithRunner(self):
class Test(unittest.TestCase):
def testFoo(self):
pass
runner = unittest.TextTestRunner(resultclass=OldResult,
stream=io.StringIO())
# This will raise an exception if TextTestRunner can't handle old
# test result objects
runner.run(Test('testFoo'))