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2345 lines
85 KiB
Python
2345 lines
85 KiB
Python
"""Test script for unittest.
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By Collin Winter <collinw at gmail.com>
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Still need testing:
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TestCase.{assert,fail}* methods (some are tested implicitly)
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"""
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from test import support
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import unittest
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from unittest import TestCase
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import types
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### Support code
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################################################################
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class LoggingResult(unittest.TestResult):
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def __init__(self, log):
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self._events = log
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super().__init__()
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def startTest(self, test):
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self._events.append('startTest')
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super().startTest(test)
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def stopTest(self, test):
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self._events.append('stopTest')
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super().stopTest(test)
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def addFailure(self, *args):
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self._events.append('addFailure')
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super().addFailure(*args)
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def addError(self, *args):
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self._events.append('addError')
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super().addError(*args)
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class TestEquality(object):
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# Check for a valid __eq__ implementation
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def test_eq(self):
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for obj_1, obj_2 in self.eq_pairs:
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self.assertEqual(obj_1, obj_2)
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self.assertEqual(obj_2, obj_1)
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# Check for a valid __ne__ implementation
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def test_ne(self):
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for obj_1, obj_2 in self.ne_pairs:
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self.failIfEqual(obj_1, obj_2)
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self.failIfEqual(obj_2, obj_1)
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class TestHashing(object):
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# Check for a valid __hash__ implementation
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def test_hash(self):
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for obj_1, obj_2 in self.eq_pairs:
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try:
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assert hash(obj_1) == hash(obj_2)
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except KeyboardInterrupt:
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raise
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except AssertionError:
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self.fail("%s and %s do not hash equal" % (obj_1, obj_2))
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except Exception as e:
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self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
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for obj_1, obj_2 in self.ne_pairs:
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try:
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assert hash(obj_1) != hash(obj_2)
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except KeyboardInterrupt:
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raise
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except AssertionError:
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self.fail("%s and %s hash equal, but shouldn't" % (obj_1, obj_2))
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except Exception as e:
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self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
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################################################################
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### /Support code
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class Test_TestLoader(TestCase):
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### Tests for TestLoader.loadTestsFromTestCase
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################################################################
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# "Return a suite of all tests cases contained in the TestCase-derived
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# class testCaseClass"
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def test_loadTestsFromTestCase(self):
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class Foo(unittest.TestCase):
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def test_1(self): pass
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def test_2(self): pass
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def foo_bar(self): pass
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tests = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
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loader = unittest.TestLoader()
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self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
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# "Return a suite of all tests cases contained in the TestCase-derived
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# class testCaseClass"
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#
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# Make sure it does the right thing even if no tests were found
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def test_loadTestsFromTestCase__no_matches(self):
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class Foo(unittest.TestCase):
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def foo_bar(self): pass
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empty_suite = unittest.TestSuite()
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loader = unittest.TestLoader()
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self.assertEqual(loader.loadTestsFromTestCase(Foo), empty_suite)
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# "Return a suite of all tests cases contained in the TestCase-derived
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# class testCaseClass"
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#
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# What happens if loadTestsFromTestCase() is given an object
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# that isn't a subclass of TestCase? Specifically, what happens
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# if testCaseClass is a subclass of TestSuite?
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#
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# This is checked for specifically in the code, so we better add a
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# test for it.
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def test_loadTestsFromTestCase__TestSuite_subclass(self):
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class NotATestCase(unittest.TestSuite):
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pass
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromTestCase(NotATestCase)
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except TypeError:
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pass
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else:
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self.fail('Should raise TypeError')
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# "Return a suite of all tests cases contained in the TestCase-derived
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# class testCaseClass"
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#
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# Make sure loadTestsFromTestCase() picks up the default test method
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# name (as specified by TestCase), even though the method name does
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# not match the default TestLoader.testMethodPrefix string
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def test_loadTestsFromTestCase__default_method_name(self):
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class Foo(unittest.TestCase):
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def runTest(self):
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pass
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loader = unittest.TestLoader()
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# This has to be false for the test to succeed
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self.failIf('runTest'.startswith(loader.testMethodPrefix))
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suite = loader.loadTestsFromTestCase(Foo)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [Foo('runTest')])
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################################################################
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### /Tests for TestLoader.loadTestsFromTestCase
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### Tests for TestLoader.loadTestsFromModule
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################################################################
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# "This method searches `module` for classes derived from TestCase"
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def test_loadTestsFromModule__TestCase_subclass(self):
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m = types.ModuleType('m')
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class MyTestCase(unittest.TestCase):
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def test(self):
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pass
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m.testcase_1 = MyTestCase
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromModule(m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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expected = [loader.suiteClass([MyTestCase('test')])]
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self.assertEqual(list(suite), expected)
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# "This method searches `module` for classes derived from TestCase"
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#
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# What happens if no tests are found (no TestCase instances)?
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def test_loadTestsFromModule__no_TestCase_instances(self):
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m = types.ModuleType('m')
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromModule(m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [])
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# "This method searches `module` for classes derived from TestCase"
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#
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# What happens if no tests are found (TestCases instances, but no tests)?
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def test_loadTestsFromModule__no_TestCase_tests(self):
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m = types.ModuleType('m')
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class MyTestCase(unittest.TestCase):
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pass
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m.testcase_1 = MyTestCase
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromModule(m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [loader.suiteClass()])
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# "This method searches `module` for classes derived from TestCase"s
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#
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# What happens if loadTestsFromModule() is given something other
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# than a module?
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#
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# XXX Currently, it succeeds anyway. This flexibility
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# should either be documented or loadTestsFromModule() should
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# raise a TypeError
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#
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# XXX Certain people are using this behaviour. We'll add a test for it
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def test_loadTestsFromModule__not_a_module(self):
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class MyTestCase(unittest.TestCase):
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def test(self):
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pass
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class NotAModule(object):
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test_2 = MyTestCase
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromModule(NotAModule)
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reference = [unittest.TestSuite([MyTestCase('test')])]
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self.assertEqual(list(suite), reference)
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################################################################
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### /Tests for TestLoader.loadTestsFromModule()
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### Tests for TestLoader.loadTestsFromName()
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################################################################
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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#
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# Is ValueError raised in response to an empty name?
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def test_loadTestsFromName__empty_name(self):
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromName('')
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except ValueError as e:
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self.assertEqual(str(e), "Empty module name")
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else:
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self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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#
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# What happens when the name contains invalid characters?
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def test_loadTestsFromName__malformed_name(self):
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loader = unittest.TestLoader()
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# XXX Should this raise ValueError or ImportError?
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try:
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loader.loadTestsFromName('abc () //')
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except ValueError:
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pass
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except ImportError:
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pass
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else:
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self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
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# "The specifier name is a ``dotted name'' that may resolve ... to a
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# module"
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#
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# What happens when a module by that name can't be found?
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def test_loadTestsFromName__unknown_module_name(self):
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromName('sdasfasfasdf')
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except ImportError as e:
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self.assertEqual(str(e), "No module named sdasfasfasdf")
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else:
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self.fail("TestLoader.loadTestsFromName failed to raise ImportError")
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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#
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# What happens when the module is found, but the attribute can't?
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def test_loadTestsFromName__unknown_attr_name(self):
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromName('unittest.sdasfasfasdf')
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except AttributeError as e:
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self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
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else:
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self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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#
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# What happens when we provide the module, but the attribute can't be
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# found?
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def test_loadTestsFromName__relative_unknown_name(self):
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromName('sdasfasfasdf', unittest)
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except AttributeError as e:
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self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
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else:
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self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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# ...
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# "The method optionally resolves name relative to the given module"
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#
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# Does loadTestsFromName raise ValueError when passed an empty
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# name relative to a provided module?
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#
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# XXX Should probably raise a ValueError instead of an AttributeError
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def test_loadTestsFromName__relative_empty_name(self):
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromName('', unittest)
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except AttributeError as e:
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pass
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else:
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self.fail("Failed to raise AttributeError")
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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# ...
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# "The method optionally resolves name relative to the given module"
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#
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# What happens when an impossible name is given, relative to the provided
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# `module`?
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def test_loadTestsFromName__relative_malformed_name(self):
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loader = unittest.TestLoader()
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# XXX Should this raise AttributeError or ValueError?
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try:
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loader.loadTestsFromName('abc () //', unittest)
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except ValueError:
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pass
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except AttributeError:
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pass
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else:
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self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
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# "The method optionally resolves name relative to the given module"
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#
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# Does loadTestsFromName raise TypeError when the `module` argument
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# isn't a module object?
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#
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# XXX Accepts the not-a-module object, ignorning the object's type
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# This should raise an exception or the method name should be changed
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#
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# XXX Some people are relying on this, so keep it for now
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def test_loadTestsFromName__relative_not_a_module(self):
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class MyTestCase(unittest.TestCase):
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def test(self):
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pass
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class NotAModule(object):
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test_2 = MyTestCase
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromName('test_2', NotAModule)
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reference = [MyTestCase('test')]
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self.assertEqual(list(suite), reference)
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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#
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# Does it raise an exception if the name resolves to an invalid
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# object?
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def test_loadTestsFromName__relative_bad_object(self):
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m = types.ModuleType('m')
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m.testcase_1 = object()
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromName('testcase_1', m)
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except TypeError:
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pass
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else:
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self.fail("Should have raised TypeError")
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# "The specifier name is a ``dotted name'' that may
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# resolve either to ... a test case class"
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def test_loadTestsFromName__relative_TestCase_subclass(self):
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m = types.ModuleType('m')
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class MyTestCase(unittest.TestCase):
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def test(self):
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pass
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m.testcase_1 = MyTestCase
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromName('testcase_1', m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [MyTestCase('test')])
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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def test_loadTestsFromName__relative_TestSuite(self):
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m = types.ModuleType('m')
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class MyTestCase(unittest.TestCase):
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def test(self):
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pass
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m.testsuite = unittest.TestSuite([MyTestCase('test')])
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromName('testsuite', m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [MyTestCase('test')])
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# "The specifier name is a ``dotted name'' that may resolve ... to
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# ... a test method within a test case class"
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def test_loadTestsFromName__relative_testmethod(self):
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m = types.ModuleType('m')
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class MyTestCase(unittest.TestCase):
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def test(self):
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pass
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m.testcase_1 = MyTestCase
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromName('testcase_1.test', m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [MyTestCase('test')])
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# "The specifier name is a ``dotted name'' that may resolve either to
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# a module, a test case class, a TestSuite instance, a test method
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# within a test case class, or a callable object which returns a
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# TestCase or TestSuite instance."
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#
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# Does loadTestsFromName() raise the proper exception when trying to
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# resolve "a test method within a test case class" that doesn't exist
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# for the given name (relative to a provided module)?
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def test_loadTestsFromName__relative_invalid_testmethod(self):
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m = types.ModuleType('m')
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class MyTestCase(unittest.TestCase):
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def test(self):
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pass
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m.testcase_1 = MyTestCase
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loader = unittest.TestLoader()
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try:
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loader.loadTestsFromName('testcase_1.testfoo', m)
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except AttributeError as e:
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self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
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else:
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self.fail("Failed to raise AttributeError")
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# "The specifier name is a ``dotted name'' that may resolve ... to
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# ... a callable object which returns a ... TestSuite instance"
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def test_loadTestsFromName__callable__TestSuite(self):
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m = types.ModuleType('m')
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testcase_1 = unittest.FunctionTestCase(lambda: None)
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testcase_2 = unittest.FunctionTestCase(lambda: None)
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def return_TestSuite():
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return unittest.TestSuite([testcase_1, testcase_2])
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m.return_TestSuite = return_TestSuite
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromName('return_TestSuite', m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [testcase_1, testcase_2])
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# "The specifier name is a ``dotted name'' that may resolve ... to
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# ... a callable object which returns a TestCase ... instance"
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def test_loadTestsFromName__callable__TestCase_instance(self):
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m = types.ModuleType('m')
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testcase_1 = unittest.FunctionTestCase(lambda: None)
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def return_TestCase():
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return testcase_1
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m.return_TestCase = return_TestCase
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loader = unittest.TestLoader()
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suite = loader.loadTestsFromName('return_TestCase', m)
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self.failUnless(isinstance(suite, loader.suiteClass))
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self.assertEqual(list(suite), [testcase_1])
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# "The specifier name is a ``dotted name'' that may resolve ... to
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# ... a callable object which returns a TestCase or TestSuite instance"
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#
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# What happens if the callable returns something else?
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def test_loadTestsFromName__callable__wrong_type(self):
|
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m = types.ModuleType('m')
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def return_wrong():
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return 6
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m.return_wrong = return_wrong
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|
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loader = unittest.TestLoader()
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try:
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suite = loader.loadTestsFromName('return_wrong', m)
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except TypeError:
|
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pass
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else:
|
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self.fail("TestLoader.loadTestsFromName failed to raise TypeError")
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|
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# "The specifier can refer to modules and packages which have not been
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# imported; they will be imported as a side-effect"
|
|
def test_loadTestsFromName__module_not_loaded(self):
|
|
# We're going to try to load this module as a side-effect, so it
|
|
# better not be loaded before we try.
|
|
#
|
|
# Why pick audioop? Google shows it isn't used very often, so there's
|
|
# a good chance that it won't be imported when this test is run
|
|
module_name = 'audioop'
|
|
|
|
import sys
|
|
if module_name in sys.modules:
|
|
del sys.modules[module_name]
|
|
|
|
loader = unittest.TestLoader()
|
|
try:
|
|
suite = loader.loadTestsFromName(module_name)
|
|
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
self.assertEqual(list(suite), [])
|
|
|
|
# audioop should now be loaded, thanks to loadTestsFromName()
|
|
self.failUnless(module_name in sys.modules)
|
|
finally:
|
|
if module_name in sys.modules:
|
|
del sys.modules[module_name]
|
|
|
|
################################################################
|
|
### Tests for TestLoader.loadTestsFromName()
|
|
|
|
### Tests for TestLoader.loadTestsFromNames()
|
|
################################################################
|
|
|
|
# "Similar to loadTestsFromName(), but takes a sequence of names rather
|
|
# than a single name."
|
|
#
|
|
# What happens if that sequence of names is empty?
|
|
def test_loadTestsFromNames__empty_name_list(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
suite = loader.loadTestsFromNames([])
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
self.assertEqual(list(suite), [])
|
|
|
|
# "Similar to loadTestsFromName(), but takes a sequence of names rather
|
|
# than a single name."
|
|
# ...
|
|
# "The method optionally resolves name relative to the given module"
|
|
#
|
|
# What happens if that sequence of names is empty?
|
|
#
|
|
# XXX Should this raise a ValueError or just return an empty TestSuite?
|
|
def test_loadTestsFromNames__relative_empty_name_list(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
suite = loader.loadTestsFromNames([], unittest)
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
self.assertEqual(list(suite), [])
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
#
|
|
# Is ValueError raised in response to an empty name?
|
|
def test_loadTestsFromNames__empty_name(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
try:
|
|
loader.loadTestsFromNames([''])
|
|
except ValueError as e:
|
|
self.assertEqual(str(e), "Empty module name")
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
#
|
|
# What happens when presented with an impossible module name?
|
|
def test_loadTestsFromNames__malformed_name(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
# XXX Should this raise ValueError or ImportError?
|
|
try:
|
|
loader.loadTestsFromNames(['abc () //'])
|
|
except ValueError:
|
|
pass
|
|
except ImportError:
|
|
pass
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
#
|
|
# What happens when no module can be found for the given name?
|
|
def test_loadTestsFromNames__unknown_module_name(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
try:
|
|
loader.loadTestsFromNames(['sdasfasfasdf'])
|
|
except ImportError as e:
|
|
self.assertEqual(str(e), "No module named sdasfasfasdf")
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromNames failed to raise ImportError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
#
|
|
# What happens when the module can be found, but not the attribute?
|
|
def test_loadTestsFromNames__unknown_attr_name(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
try:
|
|
loader.loadTestsFromNames(['unittest.sdasfasfasdf', 'unittest'])
|
|
except AttributeError as e:
|
|
self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromNames failed to raise AttributeError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
# ...
|
|
# "The method optionally resolves name relative to the given module"
|
|
#
|
|
# What happens when given an unknown attribute on a specified `module`
|
|
# argument?
|
|
def test_loadTestsFromNames__unknown_name_relative_1(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
try:
|
|
loader.loadTestsFromNames(['sdasfasfasdf'], unittest)
|
|
except AttributeError as e:
|
|
self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
# ...
|
|
# "The method optionally resolves name relative to the given module"
|
|
#
|
|
# Do unknown attributes (relative to a provided module) still raise an
|
|
# exception even in the presence of valid attribute names?
|
|
def test_loadTestsFromNames__unknown_name_relative_2(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
try:
|
|
loader.loadTestsFromNames(['TestCase', 'sdasfasfasdf'], unittest)
|
|
except AttributeError as e:
|
|
self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
# ...
|
|
# "The method optionally resolves name relative to the given module"
|
|
#
|
|
# What happens when faced with the empty string?
|
|
#
|
|
# XXX This currently raises AttributeError, though ValueError is probably
|
|
# more appropriate
|
|
def test_loadTestsFromNames__relative_empty_name(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
try:
|
|
loader.loadTestsFromNames([''], unittest)
|
|
except AttributeError:
|
|
pass
|
|
else:
|
|
self.fail("Failed to raise ValueError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
# ...
|
|
# "The method optionally resolves name relative to the given module"
|
|
#
|
|
# What happens when presented with an impossible attribute name?
|
|
def test_loadTestsFromNames__relative_malformed_name(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
# XXX Should this raise AttributeError or ValueError?
|
|
try:
|
|
loader.loadTestsFromNames(['abc () //'], unittest)
|
|
except AttributeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
|
|
|
|
# "The method optionally resolves name relative to the given module"
|
|
#
|
|
# Does loadTestsFromNames() make sure the provided `module` is in fact
|
|
# a module?
|
|
#
|
|
# XXX This validation is currently not done. This flexibility should
|
|
# either be documented or a TypeError should be raised.
|
|
def test_loadTestsFromNames__relative_not_a_module(self):
|
|
class MyTestCase(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
|
|
class NotAModule(object):
|
|
test_2 = MyTestCase
|
|
|
|
loader = unittest.TestLoader()
|
|
suite = loader.loadTestsFromNames(['test_2'], NotAModule)
|
|
|
|
reference = [unittest.TestSuite([MyTestCase('test')])]
|
|
self.assertEqual(list(suite), reference)
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve either to
|
|
# a module, a test case class, a TestSuite instance, a test method
|
|
# within a test case class, or a callable object which returns a
|
|
# TestCase or TestSuite instance."
|
|
#
|
|
# Does it raise an exception if the name resolves to an invalid
|
|
# object?
|
|
def test_loadTestsFromNames__relative_bad_object(self):
|
|
m = types.ModuleType('m')
|
|
m.testcase_1 = object()
|
|
|
|
loader = unittest.TestLoader()
|
|
try:
|
|
loader.loadTestsFromNames(['testcase_1'], m)
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("Should have raised TypeError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to
|
|
# ... a test case class"
|
|
def test_loadTestsFromNames__relative_TestCase_subclass(self):
|
|
m = types.ModuleType('m')
|
|
class MyTestCase(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
m.testcase_1 = MyTestCase
|
|
|
|
loader = unittest.TestLoader()
|
|
suite = loader.loadTestsFromNames(['testcase_1'], m)
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
|
|
expected = loader.suiteClass([MyTestCase('test')])
|
|
self.assertEqual(list(suite), [expected])
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to
|
|
# ... a TestSuite instance"
|
|
def test_loadTestsFromNames__relative_TestSuite(self):
|
|
m = types.ModuleType('m')
|
|
class MyTestCase(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
m.testsuite = unittest.TestSuite([MyTestCase('test')])
|
|
|
|
loader = unittest.TestLoader()
|
|
suite = loader.loadTestsFromNames(['testsuite'], m)
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
|
|
self.assertEqual(list(suite), [m.testsuite])
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to ... a
|
|
# test method within a test case class"
|
|
def test_loadTestsFromNames__relative_testmethod(self):
|
|
m = types.ModuleType('m')
|
|
class MyTestCase(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
m.testcase_1 = MyTestCase
|
|
|
|
loader = unittest.TestLoader()
|
|
suite = loader.loadTestsFromNames(['testcase_1.test'], m)
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
|
|
ref_suite = unittest.TestSuite([MyTestCase('test')])
|
|
self.assertEqual(list(suite), [ref_suite])
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to ... a
|
|
# test method within a test case class"
|
|
#
|
|
# Does the method gracefully handle names that initially look like they
|
|
# resolve to "a test method within a test case class" but don't?
|
|
def test_loadTestsFromNames__relative_invalid_testmethod(self):
|
|
m = types.ModuleType('m')
|
|
class MyTestCase(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
m.testcase_1 = MyTestCase
|
|
|
|
loader = unittest.TestLoader()
|
|
try:
|
|
loader.loadTestsFromNames(['testcase_1.testfoo'], m)
|
|
except AttributeError as e:
|
|
self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
|
|
else:
|
|
self.fail("Failed to raise AttributeError")
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to
|
|
# ... a callable object which returns a ... TestSuite instance"
|
|
def test_loadTestsFromNames__callable__TestSuite(self):
|
|
m = types.ModuleType('m')
|
|
testcase_1 = unittest.FunctionTestCase(lambda: None)
|
|
testcase_2 = unittest.FunctionTestCase(lambda: None)
|
|
def return_TestSuite():
|
|
return unittest.TestSuite([testcase_1, testcase_2])
|
|
m.return_TestSuite = return_TestSuite
|
|
|
|
loader = unittest.TestLoader()
|
|
suite = loader.loadTestsFromNames(['return_TestSuite'], m)
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
|
|
expected = unittest.TestSuite([testcase_1, testcase_2])
|
|
self.assertEqual(list(suite), [expected])
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to
|
|
# ... a callable object which returns a TestCase ... instance"
|
|
def test_loadTestsFromNames__callable__TestCase_instance(self):
|
|
m = types.ModuleType('m')
|
|
testcase_1 = unittest.FunctionTestCase(lambda: None)
|
|
def return_TestCase():
|
|
return testcase_1
|
|
m.return_TestCase = return_TestCase
|
|
|
|
loader = unittest.TestLoader()
|
|
suite = loader.loadTestsFromNames(['return_TestCase'], m)
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
|
|
ref_suite = unittest.TestSuite([testcase_1])
|
|
self.assertEqual(list(suite), [ref_suite])
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to
|
|
# ... a callable object which returns a TestCase or TestSuite instance"
|
|
#
|
|
# Are staticmethods handled correctly?
|
|
def test_loadTestsFromNames__callable__call_staticmethod(self):
|
|
m = types.ModuleType('m')
|
|
class Test1(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
|
|
testcase_1 = Test1('test')
|
|
class Foo(unittest.TestCase):
|
|
@staticmethod
|
|
def foo():
|
|
return testcase_1
|
|
m.Foo = Foo
|
|
|
|
loader = unittest.TestLoader()
|
|
suite = loader.loadTestsFromNames(['Foo.foo'], m)
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
|
|
ref_suite = unittest.TestSuite([testcase_1])
|
|
self.assertEqual(list(suite), [ref_suite])
|
|
|
|
# "The specifier name is a ``dotted name'' that may resolve ... to
|
|
# ... a callable object which returns a TestCase or TestSuite instance"
|
|
#
|
|
# What happens when the callable returns something else?
|
|
def test_loadTestsFromNames__callable__wrong_type(self):
|
|
m = types.ModuleType('m')
|
|
def return_wrong():
|
|
return 6
|
|
m.return_wrong = return_wrong
|
|
|
|
loader = unittest.TestLoader()
|
|
try:
|
|
suite = loader.loadTestsFromNames(['return_wrong'], m)
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("TestLoader.loadTestsFromNames failed to raise TypeError")
|
|
|
|
# "The specifier can refer to modules and packages which have not been
|
|
# imported; they will be imported as a side-effect"
|
|
def test_loadTestsFromNames__module_not_loaded(self):
|
|
# We're going to try to load this module as a side-effect, so it
|
|
# better not be loaded before we try.
|
|
#
|
|
# Why pick audioop? Google shows it isn't used very often, so there's
|
|
# a good chance that it won't be imported when this test is run
|
|
module_name = 'audioop'
|
|
|
|
import sys
|
|
if module_name in sys.modules:
|
|
del sys.modules[module_name]
|
|
|
|
loader = unittest.TestLoader()
|
|
try:
|
|
suite = loader.loadTestsFromNames([module_name])
|
|
|
|
self.failUnless(isinstance(suite, loader.suiteClass))
|
|
self.assertEqual(list(suite), [unittest.TestSuite()])
|
|
|
|
# audioop should now be loaded, thanks to loadTestsFromName()
|
|
self.failUnless(module_name in sys.modules)
|
|
finally:
|
|
if module_name in sys.modules:
|
|
del sys.modules[module_name]
|
|
|
|
################################################################
|
|
### /Tests for TestLoader.loadTestsFromNames()
|
|
|
|
### Tests for TestLoader.getTestCaseNames()
|
|
################################################################
|
|
|
|
# "Return a sorted sequence of method names found within testCaseClass"
|
|
#
|
|
# Test.foobar is defined to make sure getTestCaseNames() respects
|
|
# loader.testMethodPrefix
|
|
def test_getTestCaseNames(self):
|
|
class Test(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foobar(self): pass
|
|
|
|
loader = unittest.TestLoader()
|
|
|
|
self.assertEqual(loader.getTestCaseNames(Test), ['test_1', 'test_2'])
|
|
|
|
# "Return a sorted sequence of method names found within testCaseClass"
|
|
#
|
|
# Does getTestCaseNames() behave appropriately if no tests are found?
|
|
def test_getTestCaseNames__no_tests(self):
|
|
class Test(unittest.TestCase):
|
|
def foobar(self): pass
|
|
|
|
loader = unittest.TestLoader()
|
|
|
|
self.assertEqual(loader.getTestCaseNames(Test), [])
|
|
|
|
# "Return a sorted sequence of method names found within testCaseClass"
|
|
#
|
|
# Are not-TestCases handled gracefully?
|
|
#
|
|
# XXX This should raise a TypeError, not return a list
|
|
#
|
|
# XXX It's too late in the 2.5 release cycle to fix this, but it should
|
|
# probably be revisited for 2.6
|
|
def test_getTestCaseNames__not_a_TestCase(self):
|
|
class BadCase(int):
|
|
def test_foo(self):
|
|
pass
|
|
|
|
loader = unittest.TestLoader()
|
|
names = loader.getTestCaseNames(BadCase)
|
|
|
|
self.assertEqual(names, ['test_foo'])
|
|
|
|
# "Return a sorted sequence of method names found within testCaseClass"
|
|
#
|
|
# Make sure inherited names are handled.
|
|
#
|
|
# TestP.foobar is defined to make sure getTestCaseNames() respects
|
|
# loader.testMethodPrefix
|
|
def test_getTestCaseNames__inheritance(self):
|
|
class TestP(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foobar(self): pass
|
|
|
|
class TestC(TestP):
|
|
def test_1(self): pass
|
|
def test_3(self): pass
|
|
|
|
loader = unittest.TestLoader()
|
|
|
|
names = ['test_1', 'test_2', 'test_3']
|
|
self.assertEqual(loader.getTestCaseNames(TestC), names)
|
|
|
|
################################################################
|
|
### /Tests for TestLoader.getTestCaseNames()
|
|
|
|
### Tests for TestLoader.testMethodPrefix
|
|
################################################################
|
|
|
|
# "String giving the prefix of method names which will be interpreted as
|
|
# test methods"
|
|
#
|
|
# Implicit in the documentation is that testMethodPrefix is respected by
|
|
# all loadTestsFrom* methods.
|
|
def test_testMethodPrefix__loadTestsFromTestCase(self):
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
|
|
tests_1 = unittest.TestSuite([Foo('foo_bar')])
|
|
tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.testMethodPrefix = 'foo'
|
|
self.assertEqual(loader.loadTestsFromTestCase(Foo), tests_1)
|
|
|
|
loader.testMethodPrefix = 'test'
|
|
self.assertEqual(loader.loadTestsFromTestCase(Foo), tests_2)
|
|
|
|
# "String giving the prefix of method names which will be interpreted as
|
|
# test methods"
|
|
#
|
|
# Implicit in the documentation is that testMethodPrefix is respected by
|
|
# all loadTestsFrom* methods.
|
|
def test_testMethodPrefix__loadTestsFromModule(self):
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
m.Foo = Foo
|
|
|
|
tests_1 = [unittest.TestSuite([Foo('foo_bar')])]
|
|
tests_2 = [unittest.TestSuite([Foo('test_1'), Foo('test_2')])]
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.testMethodPrefix = 'foo'
|
|
self.assertEqual(list(loader.loadTestsFromModule(m)), tests_1)
|
|
|
|
loader.testMethodPrefix = 'test'
|
|
self.assertEqual(list(loader.loadTestsFromModule(m)), tests_2)
|
|
|
|
# "String giving the prefix of method names which will be interpreted as
|
|
# test methods"
|
|
#
|
|
# Implicit in the documentation is that testMethodPrefix is respected by
|
|
# all loadTestsFrom* methods.
|
|
def test_testMethodPrefix__loadTestsFromName(self):
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
m.Foo = Foo
|
|
|
|
tests_1 = unittest.TestSuite([Foo('foo_bar')])
|
|
tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.testMethodPrefix = 'foo'
|
|
self.assertEqual(loader.loadTestsFromName('Foo', m), tests_1)
|
|
|
|
loader.testMethodPrefix = 'test'
|
|
self.assertEqual(loader.loadTestsFromName('Foo', m), tests_2)
|
|
|
|
# "String giving the prefix of method names which will be interpreted as
|
|
# test methods"
|
|
#
|
|
# Implicit in the documentation is that testMethodPrefix is respected by
|
|
# all loadTestsFrom* methods.
|
|
def test_testMethodPrefix__loadTestsFromNames(self):
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
m.Foo = Foo
|
|
|
|
tests_1 = unittest.TestSuite([unittest.TestSuite([Foo('foo_bar')])])
|
|
tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
|
|
tests_2 = unittest.TestSuite([tests_2])
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.testMethodPrefix = 'foo'
|
|
self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_1)
|
|
|
|
loader.testMethodPrefix = 'test'
|
|
self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_2)
|
|
|
|
# "The default value is 'test'"
|
|
def test_testMethodPrefix__default_value(self):
|
|
loader = unittest.TestLoader()
|
|
self.assertEqual(loader.testMethodPrefix, 'test')
|
|
|
|
################################################################
|
|
### /Tests for TestLoader.testMethodPrefix
|
|
|
|
### Tests for TestLoader.sortTestMethodsUsing
|
|
################################################################
|
|
|
|
# "Function to be used to compare method names when sorting them in
|
|
# getTestCaseNames() and all the loadTestsFromX() methods"
|
|
def test_sortTestMethodsUsing__loadTestsFromTestCase(self):
|
|
def reversed_cmp(x, y):
|
|
return -((x > y) - (x < y))
|
|
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.sortTestMethodsUsing = reversed_cmp
|
|
|
|
tests = loader.suiteClass([Foo('test_2'), Foo('test_1')])
|
|
self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
|
|
|
|
# "Function to be used to compare method names when sorting them in
|
|
# getTestCaseNames() and all the loadTestsFromX() methods"
|
|
def test_sortTestMethodsUsing__loadTestsFromModule(self):
|
|
def reversed_cmp(x, y):
|
|
return -((x > y) - (x < y))
|
|
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
m.Foo = Foo
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.sortTestMethodsUsing = reversed_cmp
|
|
|
|
tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
|
|
self.assertEqual(list(loader.loadTestsFromModule(m)), tests)
|
|
|
|
# "Function to be used to compare method names when sorting them in
|
|
# getTestCaseNames() and all the loadTestsFromX() methods"
|
|
def test_sortTestMethodsUsing__loadTestsFromName(self):
|
|
def reversed_cmp(x, y):
|
|
return -((x > y) - (x < y))
|
|
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
m.Foo = Foo
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.sortTestMethodsUsing = reversed_cmp
|
|
|
|
tests = loader.suiteClass([Foo('test_2'), Foo('test_1')])
|
|
self.assertEqual(loader.loadTestsFromName('Foo', m), tests)
|
|
|
|
# "Function to be used to compare method names when sorting them in
|
|
# getTestCaseNames() and all the loadTestsFromX() methods"
|
|
def test_sortTestMethodsUsing__loadTestsFromNames(self):
|
|
def reversed_cmp(x, y):
|
|
return -((x > y) - (x < y))
|
|
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
m.Foo = Foo
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.sortTestMethodsUsing = reversed_cmp
|
|
|
|
tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
|
|
self.assertEqual(list(loader.loadTestsFromNames(['Foo'], m)), tests)
|
|
|
|
# "Function to be used to compare method names when sorting them in
|
|
# getTestCaseNames()"
|
|
#
|
|
# Does it actually affect getTestCaseNames()?
|
|
def test_sortTestMethodsUsing__getTestCaseNames(self):
|
|
def reversed_cmp(x, y):
|
|
return -((x > y) - (x < y))
|
|
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.sortTestMethodsUsing = reversed_cmp
|
|
|
|
test_names = ['test_2', 'test_1']
|
|
self.assertEqual(loader.getTestCaseNames(Foo), test_names)
|
|
|
|
# "The default value is the built-in cmp() function"
|
|
# Since cmp is now defunct, we simply verify that the results
|
|
# occur in the same order as they would with the default sort.
|
|
def test_sortTestMethodsUsing__default_value(self):
|
|
loader = unittest.TestLoader()
|
|
|
|
class Foo(unittest.TestCase):
|
|
def test_2(self): pass
|
|
def test_3(self): pass
|
|
def test_1(self): pass
|
|
|
|
test_names = ['test_2', 'test_3', 'test_1']
|
|
self.assertEqual(loader.getTestCaseNames(Foo), sorted(test_names))
|
|
|
|
|
|
# "it can be set to None to disable the sort."
|
|
#
|
|
# XXX How is this different from reassigning cmp? Are the tests returned
|
|
# in a random order or something? This behaviour should die
|
|
def test_sortTestMethodsUsing__None(self):
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.sortTestMethodsUsing = None
|
|
|
|
test_names = ['test_2', 'test_1']
|
|
self.assertEqual(set(loader.getTestCaseNames(Foo)), set(test_names))
|
|
|
|
################################################################
|
|
### /Tests for TestLoader.sortTestMethodsUsing
|
|
|
|
### Tests for TestLoader.suiteClass
|
|
################################################################
|
|
|
|
# "Callable object that constructs a test suite from a list of tests."
|
|
def test_suiteClass__loadTestsFromTestCase(self):
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
|
|
tests = [Foo('test_1'), Foo('test_2')]
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.suiteClass = list
|
|
self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
|
|
|
|
# It is implicit in the documentation for TestLoader.suiteClass that
|
|
# all TestLoader.loadTestsFrom* methods respect it. Let's make sure
|
|
def test_suiteClass__loadTestsFromModule(self):
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
m.Foo = Foo
|
|
|
|
tests = [[Foo('test_1'), Foo('test_2')]]
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.suiteClass = list
|
|
self.assertEqual(loader.loadTestsFromModule(m), tests)
|
|
|
|
# It is implicit in the documentation for TestLoader.suiteClass that
|
|
# all TestLoader.loadTestsFrom* methods respect it. Let's make sure
|
|
def test_suiteClass__loadTestsFromName(self):
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
m.Foo = Foo
|
|
|
|
tests = [Foo('test_1'), Foo('test_2')]
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.suiteClass = list
|
|
self.assertEqual(loader.loadTestsFromName('Foo', m), tests)
|
|
|
|
# It is implicit in the documentation for TestLoader.suiteClass that
|
|
# all TestLoader.loadTestsFrom* methods respect it. Let's make sure
|
|
def test_suiteClass__loadTestsFromNames(self):
|
|
m = types.ModuleType('m')
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def foo_bar(self): pass
|
|
m.Foo = Foo
|
|
|
|
tests = [[Foo('test_1'), Foo('test_2')]]
|
|
|
|
loader = unittest.TestLoader()
|
|
loader.suiteClass = list
|
|
self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests)
|
|
|
|
# "The default value is the TestSuite class"
|
|
def test_suiteClass__default_value(self):
|
|
loader = unittest.TestLoader()
|
|
self.failUnless(loader.suiteClass is unittest.TestSuite)
|
|
|
|
################################################################
|
|
### /Tests for TestLoader.suiteClass
|
|
|
|
### Support code for Test_TestSuite
|
|
################################################################
|
|
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
def test_3(self): pass
|
|
def runTest(self): pass
|
|
|
|
def _mk_TestSuite(*names):
|
|
return unittest.TestSuite(Foo(n) for n in names)
|
|
|
|
################################################################
|
|
### /Support code for Test_TestSuite
|
|
|
|
class Test_TestSuite(TestCase, TestEquality):
|
|
|
|
### Set up attributes needed by inherited tests
|
|
################################################################
|
|
|
|
# Used by TestEquality.test_eq
|
|
eq_pairs = [(unittest.TestSuite(), unittest.TestSuite())
|
|
,(unittest.TestSuite(), unittest.TestSuite([]))
|
|
,(_mk_TestSuite('test_1'), _mk_TestSuite('test_1'))]
|
|
|
|
# Used by TestEquality.test_ne
|
|
ne_pairs = [(unittest.TestSuite(), _mk_TestSuite('test_1'))
|
|
,(unittest.TestSuite([]), _mk_TestSuite('test_1'))
|
|
,(_mk_TestSuite('test_1', 'test_2'), _mk_TestSuite('test_1', 'test_3'))
|
|
,(_mk_TestSuite('test_1'), _mk_TestSuite('test_2'))]
|
|
|
|
################################################################
|
|
### /Set up attributes needed by inherited tests
|
|
|
|
### Tests for TestSuite.__init__
|
|
################################################################
|
|
|
|
# "class TestSuite([tests])"
|
|
#
|
|
# The tests iterable should be optional
|
|
def test_init__tests_optional(self):
|
|
suite = unittest.TestSuite()
|
|
|
|
self.assertEqual(suite.countTestCases(), 0)
|
|
|
|
# "class TestSuite([tests])"
|
|
# ...
|
|
# "If tests is given, it must be an iterable of individual test cases
|
|
# or other test suites that will be used to build the suite initially"
|
|
#
|
|
# TestSuite should deal with empty tests iterables by allowing the
|
|
# creation of an empty suite
|
|
def test_init__empty_tests(self):
|
|
suite = unittest.TestSuite([])
|
|
|
|
self.assertEqual(suite.countTestCases(), 0)
|
|
|
|
# "class TestSuite([tests])"
|
|
# ...
|
|
# "If tests is given, it must be an iterable of individual test cases
|
|
# or other test suites that will be used to build the suite initially"
|
|
#
|
|
# TestSuite should allow any iterable to provide tests
|
|
def test_init__tests_from_any_iterable(self):
|
|
def tests():
|
|
yield unittest.FunctionTestCase(lambda: None)
|
|
yield unittest.FunctionTestCase(lambda: None)
|
|
|
|
suite_1 = unittest.TestSuite(tests())
|
|
self.assertEqual(suite_1.countTestCases(), 2)
|
|
|
|
suite_2 = unittest.TestSuite(suite_1)
|
|
self.assertEqual(suite_2.countTestCases(), 2)
|
|
|
|
suite_3 = unittest.TestSuite(set(suite_1))
|
|
self.assertEqual(suite_3.countTestCases(), 2)
|
|
|
|
# "class TestSuite([tests])"
|
|
# ...
|
|
# "If tests is given, it must be an iterable of individual test cases
|
|
# or other test suites that will be used to build the suite initially"
|
|
#
|
|
# Does TestSuite() also allow other TestSuite() instances to be present
|
|
# in the tests iterable?
|
|
def test_init__TestSuite_instances_in_tests(self):
|
|
def tests():
|
|
ftc = unittest.FunctionTestCase(lambda: None)
|
|
yield unittest.TestSuite([ftc])
|
|
yield unittest.FunctionTestCase(lambda: None)
|
|
|
|
suite = unittest.TestSuite(tests())
|
|
self.assertEqual(suite.countTestCases(), 2)
|
|
|
|
################################################################
|
|
### /Tests for TestSuite.__init__
|
|
|
|
# Container types should support the iter protocol
|
|
def test_iter(self):
|
|
test1 = unittest.FunctionTestCase(lambda: None)
|
|
test2 = unittest.FunctionTestCase(lambda: None)
|
|
suite = unittest.TestSuite((test1, test2))
|
|
|
|
self.assertEqual(list(suite), [test1, test2])
|
|
|
|
# "Return the number of tests represented by the this test object.
|
|
# ...this method is also implemented by the TestSuite class, which can
|
|
# return larger [greater than 1] values"
|
|
#
|
|
# Presumably an empty TestSuite returns 0?
|
|
def test_countTestCases_zero_simple(self):
|
|
suite = unittest.TestSuite()
|
|
|
|
self.assertEqual(suite.countTestCases(), 0)
|
|
|
|
# "Return the number of tests represented by the this test object.
|
|
# ...this method is also implemented by the TestSuite class, which can
|
|
# return larger [greater than 1] values"
|
|
#
|
|
# Presumably an empty TestSuite (even if it contains other empty
|
|
# TestSuite instances) returns 0?
|
|
def test_countTestCases_zero_nested(self):
|
|
class Test1(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
|
|
suite = unittest.TestSuite([unittest.TestSuite()])
|
|
|
|
self.assertEqual(suite.countTestCases(), 0)
|
|
|
|
# "Return the number of tests represented by the this test object.
|
|
# ...this method is also implemented by the TestSuite class, which can
|
|
# return larger [greater than 1] values"
|
|
def test_countTestCases_simple(self):
|
|
test1 = unittest.FunctionTestCase(lambda: None)
|
|
test2 = unittest.FunctionTestCase(lambda: None)
|
|
suite = unittest.TestSuite((test1, test2))
|
|
|
|
self.assertEqual(suite.countTestCases(), 2)
|
|
|
|
# "Return the number of tests represented by the this test object.
|
|
# ...this method is also implemented by the TestSuite class, which can
|
|
# return larger [greater than 1] values"
|
|
#
|
|
# Make sure this holds for nested TestSuite instances, too
|
|
def test_countTestCases_nested(self):
|
|
class Test1(unittest.TestCase):
|
|
def test1(self): pass
|
|
def test2(self): pass
|
|
|
|
test2 = unittest.FunctionTestCase(lambda: None)
|
|
test3 = unittest.FunctionTestCase(lambda: None)
|
|
child = unittest.TestSuite((Test1('test2'), test2))
|
|
parent = unittest.TestSuite((test3, child, Test1('test1')))
|
|
|
|
self.assertEqual(parent.countTestCases(), 4)
|
|
|
|
# "Run the tests associated with this suite, collecting the result into
|
|
# the test result object passed as result."
|
|
#
|
|
# And if there are no tests? What then?
|
|
def test_run__empty_suite(self):
|
|
events = []
|
|
result = LoggingResult(events)
|
|
|
|
suite = unittest.TestSuite()
|
|
|
|
suite.run(result)
|
|
|
|
self.assertEqual(events, [])
|
|
|
|
# "Note that unlike TestCase.run(), TestSuite.run() requires the
|
|
# "result object to be passed in."
|
|
def test_run__requires_result(self):
|
|
suite = unittest.TestSuite()
|
|
|
|
try:
|
|
suite.run()
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("Failed to raise TypeError")
|
|
|
|
# "Run the tests associated with this suite, collecting the result into
|
|
# the test result object passed as result."
|
|
def test_run(self):
|
|
events = []
|
|
result = LoggingResult(events)
|
|
|
|
class LoggingCase(unittest.TestCase):
|
|
def run(self, result):
|
|
events.append('run %s' % self._testMethodName)
|
|
|
|
def test1(self): pass
|
|
def test2(self): pass
|
|
|
|
tests = [LoggingCase('test1'), LoggingCase('test2')]
|
|
|
|
unittest.TestSuite(tests).run(result)
|
|
|
|
self.assertEqual(events, ['run test1', 'run test2'])
|
|
|
|
# "Add a TestCase ... to the suite"
|
|
def test_addTest__TestCase(self):
|
|
class Foo(unittest.TestCase):
|
|
def test(self): pass
|
|
|
|
test = Foo('test')
|
|
suite = unittest.TestSuite()
|
|
|
|
suite.addTest(test)
|
|
|
|
self.assertEqual(suite.countTestCases(), 1)
|
|
self.assertEqual(list(suite), [test])
|
|
|
|
# "Add a ... TestSuite to the suite"
|
|
def test_addTest__TestSuite(self):
|
|
class Foo(unittest.TestCase):
|
|
def test(self): pass
|
|
|
|
suite_2 = unittest.TestSuite([Foo('test')])
|
|
|
|
suite = unittest.TestSuite()
|
|
suite.addTest(suite_2)
|
|
|
|
self.assertEqual(suite.countTestCases(), 1)
|
|
self.assertEqual(list(suite), [suite_2])
|
|
|
|
# "Add all the tests from an iterable of TestCase and TestSuite
|
|
# instances to this test suite."
|
|
#
|
|
# "This is equivalent to iterating over tests, calling addTest() for
|
|
# each element"
|
|
def test_addTests(self):
|
|
class Foo(unittest.TestCase):
|
|
def test_1(self): pass
|
|
def test_2(self): pass
|
|
|
|
test_1 = Foo('test_1')
|
|
test_2 = Foo('test_2')
|
|
inner_suite = unittest.TestSuite([test_2])
|
|
|
|
def gen():
|
|
yield test_1
|
|
yield test_2
|
|
yield inner_suite
|
|
|
|
suite_1 = unittest.TestSuite()
|
|
suite_1.addTests(gen())
|
|
|
|
self.assertEqual(list(suite_1), list(gen()))
|
|
|
|
# "This is equivalent to iterating over tests, calling addTest() for
|
|
# each element"
|
|
suite_2 = unittest.TestSuite()
|
|
for t in gen():
|
|
suite_2.addTest(t)
|
|
|
|
self.assertEqual(suite_1, suite_2)
|
|
|
|
# "Add all the tests from an iterable of TestCase and TestSuite
|
|
# instances to this test suite."
|
|
#
|
|
# What happens if it doesn't get an iterable?
|
|
def test_addTest__noniterable(self):
|
|
suite = unittest.TestSuite()
|
|
|
|
try:
|
|
suite.addTests(5)
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
self.fail("Failed to raise TypeError")
|
|
|
|
def test_addTest__noncallable(self):
|
|
suite = unittest.TestSuite()
|
|
self.assertRaises(TypeError, suite.addTest, 5)
|
|
|
|
def test_addTest__casesuiteclass(self):
|
|
suite = unittest.TestSuite()
|
|
self.assertRaises(TypeError, suite.addTest, Test_TestSuite)
|
|
self.assertRaises(TypeError, suite.addTest, unittest.TestSuite)
|
|
|
|
def test_addTests__string(self):
|
|
suite = unittest.TestSuite()
|
|
self.assertRaises(TypeError, suite.addTests, "foo")
|
|
|
|
|
|
class Test_FunctionTestCase(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.failUnless(isinstance(test.id(), str))
|
|
|
|
# "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")
|
|
|
|
class Test_TestResult(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.failUnless(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.failUnless(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.failUnless(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.failUnless(result.wasSuccessful())
|
|
self.assertEqual(len(result.errors), 0)
|
|
self.assertEqual(len(result.failures), 0)
|
|
self.assertEqual(result.testsRun, 1)
|
|
self.assertEqual(result.shouldStop, False)
|
|
|
|
# "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.failUnless(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):
|
|
import sys
|
|
|
|
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.failIf(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.failUnless(test_case is test)
|
|
self.failUnless(isinstance(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):
|
|
import sys
|
|
|
|
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.failIf(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.failUnless(test_case is test)
|
|
self.failUnless(isinstance(formatted_exc, str))
|
|
|
|
### Support code for Test_TestCase
|
|
################################################################
|
|
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self): pass
|
|
def test1(self): pass
|
|
|
|
class Bar(Foo):
|
|
def test2(self): pass
|
|
|
|
################################################################
|
|
### /Support code for Test_TestCase
|
|
|
|
class Test_TestCase(TestCase, TestEquality, TestHashing):
|
|
|
|
### Set up attributes used by inherited tests
|
|
################################################################
|
|
|
|
# Used by TestHashing.test_hash and TestEquality.test_eq
|
|
eq_pairs = [(Foo('test1'), Foo('test1'))]
|
|
|
|
# Used by TestEquality.test_ne
|
|
ne_pairs = [(Foo('test1'), Foo('runTest'))
|
|
,(Foo('test1'), Bar('test1'))
|
|
,(Foo('test1'), Bar('test2'))]
|
|
|
|
################################################################
|
|
### /Set up attributes used by inherited tests
|
|
|
|
|
|
# "class TestCase([methodName])"
|
|
# ...
|
|
# "Each instance of TestCase will run a single test method: the
|
|
# method named methodName."
|
|
# ...
|
|
# "methodName defaults to "runTest"."
|
|
#
|
|
# Make sure it really is optional, and that it defaults to the proper
|
|
# thing.
|
|
def test_init__no_test_name(self):
|
|
class Test(unittest.TestCase):
|
|
def runTest(self): raise MyException()
|
|
def test(self): pass
|
|
|
|
self.assertEqual(Test().id()[-13:], '.Test.runTest')
|
|
|
|
# "class TestCase([methodName])"
|
|
# ...
|
|
# "Each instance of TestCase will run a single test method: the
|
|
# method named methodName."
|
|
def test_init__test_name__valid(self):
|
|
class Test(unittest.TestCase):
|
|
def runTest(self): raise MyException()
|
|
def test(self): pass
|
|
|
|
self.assertEqual(Test('test').id()[-10:], '.Test.test')
|
|
|
|
# "class TestCase([methodName])"
|
|
# ...
|
|
# "Each instance of TestCase will run a single test method: the
|
|
# method named methodName."
|
|
def test_init__test_name__invalid(self):
|
|
class Test(unittest.TestCase):
|
|
def runTest(self): raise MyException()
|
|
def test(self): pass
|
|
|
|
try:
|
|
Test('testfoo')
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
self.fail("Failed to raise ValueError")
|
|
|
|
# "Return the number of tests represented by the this test object. For
|
|
# TestCase instances, this will always be 1"
|
|
def test_countTestCases(self):
|
|
class Foo(unittest.TestCase):
|
|
def test(self): pass
|
|
|
|
self.assertEqual(Foo('test').countTestCases(), 1)
|
|
|
|
# "Return the default type of test result object to be used to run this
|
|
# test. For TestCase instances, this will always be
|
|
# unittest.TestResult; subclasses of TestCase should
|
|
# override this as necessary."
|
|
def test_defaultTestResult(self):
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self):
|
|
pass
|
|
|
|
result = Foo().defaultTestResult()
|
|
self.assertEqual(type(result), unittest.TestResult)
|
|
|
|
# "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)
|
|
|
|
class Foo(unittest.TestCase):
|
|
def setUp(self):
|
|
events.append('setUp')
|
|
raise RuntimeError('raised by Foo.setUp')
|
|
|
|
def test(self):
|
|
events.append('test')
|
|
|
|
def tearDown(self):
|
|
events.append('tearDown')
|
|
|
|
Foo('test').run(result)
|
|
expected = ['startTest', 'setUp', 'addError', 'stopTest']
|
|
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)
|
|
|
|
class Foo(unittest.TestCase):
|
|
def setUp(self):
|
|
events.append('setUp')
|
|
|
|
def test(self):
|
|
events.append('test')
|
|
raise RuntimeError('raised by Foo.test')
|
|
|
|
def tearDown(self):
|
|
events.append('tearDown')
|
|
|
|
expected = ['startTest', 'setUp', 'test', 'addError', 'tearDown',
|
|
'stopTest']
|
|
Foo('test').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)
|
|
|
|
class Foo(unittest.TestCase):
|
|
def setUp(self):
|
|
events.append('setUp')
|
|
|
|
def test(self):
|
|
events.append('test')
|
|
self.fail('raised by Foo.test')
|
|
|
|
def tearDown(self):
|
|
events.append('tearDown')
|
|
|
|
expected = ['startTest', 'setUp', 'test', 'addFailure', 'tearDown',
|
|
'stopTest']
|
|
Foo('test').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)
|
|
|
|
class Foo(unittest.TestCase):
|
|
def setUp(self):
|
|
events.append('setUp')
|
|
|
|
def test(self):
|
|
events.append('test')
|
|
|
|
def tearDown(self):
|
|
events.append('tearDown')
|
|
raise RuntimeError('raised by Foo.tearDown')
|
|
|
|
Foo('test').run(result)
|
|
expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
|
|
'stopTest']
|
|
self.assertEqual(events, expected)
|
|
|
|
# "This class attribute gives the exception raised by the test() method.
|
|
# If a test framework needs to use a specialized exception, possibly to
|
|
# carry additional information, it must subclass this exception in
|
|
# order to ``play fair'' with the framework. The initial value of this
|
|
# attribute is AssertionError"
|
|
def test_failureException__default(self):
|
|
class Foo(unittest.TestCase):
|
|
def test(self):
|
|
pass
|
|
|
|
self.failUnless(Foo('test').failureException is AssertionError)
|
|
|
|
# "This class attribute gives the exception raised by the test() method.
|
|
# If a test framework needs to use a specialized exception, possibly to
|
|
# carry additional information, it must subclass this exception in
|
|
# order to ``play fair'' with the framework."
|
|
#
|
|
# Make sure TestCase.run() respects the designated failureException
|
|
def test_failureException__subclassing__explicit_raise(self):
|
|
events = []
|
|
result = LoggingResult(events)
|
|
|
|
class Foo(unittest.TestCase):
|
|
def test(self):
|
|
raise RuntimeError()
|
|
|
|
failureException = RuntimeError
|
|
|
|
self.failUnless(Foo('test').failureException is RuntimeError)
|
|
|
|
|
|
Foo('test').run(result)
|
|
expected = ['startTest', 'addFailure', 'stopTest']
|
|
self.assertEqual(events, expected)
|
|
|
|
# "This class attribute gives the exception raised by the test() method.
|
|
# If a test framework needs to use a specialized exception, possibly to
|
|
# carry additional information, it must subclass this exception in
|
|
# order to ``play fair'' with the framework."
|
|
#
|
|
# Make sure TestCase.run() respects the designated failureException
|
|
def test_failureException__subclassing__implicit_raise(self):
|
|
events = []
|
|
result = LoggingResult(events)
|
|
|
|
class Foo(unittest.TestCase):
|
|
def test(self):
|
|
self.fail("foo")
|
|
|
|
failureException = RuntimeError
|
|
|
|
self.failUnless(Foo('test').failureException is RuntimeError)
|
|
|
|
|
|
Foo('test').run(result)
|
|
expected = ['startTest', 'addFailure', 'stopTest']
|
|
self.assertEqual(events, expected)
|
|
|
|
# "The default implementation does nothing."
|
|
def test_setUp(self):
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self):
|
|
pass
|
|
|
|
# ... and nothing should happen
|
|
Foo().setUp()
|
|
|
|
# "The default implementation does nothing."
|
|
def test_tearDown(self):
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self):
|
|
pass
|
|
|
|
# ... and nothing should happen
|
|
Foo().tearDown()
|
|
|
|
# "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):
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self):
|
|
pass
|
|
|
|
self.failUnless(isinstance(Foo().id(), str))
|
|
|
|
# "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):
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self):
|
|
pass
|
|
|
|
self.assertEqual(Foo().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):
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self):
|
|
"this tests foo"
|
|
pass
|
|
|
|
self.assertEqual(Foo().shortDescription(), "this tests foo")
|
|
|
|
# "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__multiline_docstring(self):
|
|
class Foo(unittest.TestCase):
|
|
def runTest(self):
|
|
"""this tests foo
|
|
blah, bar and baz are also tested"""
|
|
pass
|
|
|
|
self.assertEqual(Foo().shortDescription(), "this tests foo")
|
|
|
|
# "If result is omitted or None, a temporary result object is created
|
|
# and used, but is not made available to the caller"
|
|
def test_run__uses_defaultTestResult(self):
|
|
events = []
|
|
|
|
class Foo(unittest.TestCase):
|
|
def test(self):
|
|
events.append('test')
|
|
|
|
def defaultTestResult(self):
|
|
return LoggingResult(events)
|
|
|
|
# Make run() find a result object on its own
|
|
Foo('test').run()
|
|
|
|
expected = ['startTest', 'test', 'stopTest']
|
|
self.assertEqual(events, expected)
|
|
|
|
class Test_Assertions(TestCase):
|
|
def test_AlmostEqual(self):
|
|
self.failUnlessAlmostEqual(1.00000001, 1.0)
|
|
self.failIfAlmostEqual(1.0000001, 1.0)
|
|
self.assertRaises(AssertionError,
|
|
self.failUnlessAlmostEqual, 1.0000001, 1.0)
|
|
self.assertRaises(AssertionError,
|
|
self.failIfAlmostEqual, 1.00000001, 1.0)
|
|
|
|
self.failUnlessAlmostEqual(1.1, 1.0, places=0)
|
|
self.assertRaises(AssertionError,
|
|
self.failUnlessAlmostEqual, 1.1, 1.0, places=1)
|
|
|
|
self.failUnlessAlmostEqual(0, .1+.1j, places=0)
|
|
self.failIfAlmostEqual(0, .1+.1j, places=1)
|
|
self.assertRaises(AssertionError,
|
|
self.failUnlessAlmostEqual, 0, .1+.1j, places=1)
|
|
self.assertRaises(AssertionError,
|
|
self.failIfAlmostEqual, 0, .1+.1j, places=0)
|
|
|
|
def test_assertRaises(self):
|
|
def _raise(e):
|
|
raise e
|
|
self.assertRaises(KeyError, _raise, KeyError)
|
|
self.assertRaises(KeyError, _raise, KeyError("key"))
|
|
try:
|
|
self.assertRaises(KeyError, lambda: None)
|
|
except AssertionError as e:
|
|
self.assert_("KeyError not raised" in str(e), str(e))
|
|
else:
|
|
self.fail("assertRaises() didn't fail")
|
|
try:
|
|
self.assertRaises(KeyError, _raise, ValueError)
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
self.fail("assertRaises() didn't let exception pass through")
|
|
with self.assertRaises(KeyError):
|
|
raise KeyError
|
|
with self.assertRaises(KeyError):
|
|
raise KeyError("key")
|
|
try:
|
|
with self.assertRaises(KeyError):
|
|
pass
|
|
except AssertionError as e:
|
|
self.assert_("KeyError not raised" in str(e), str(e))
|
|
else:
|
|
self.fail("assertRaises() didn't fail")
|
|
try:
|
|
with self.assertRaises(KeyError):
|
|
raise ValueError
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
self.fail("assertRaises() didn't let exception pass through")
|
|
|
|
|
|
######################################################################
|
|
## Main
|
|
######################################################################
|
|
|
|
def test_main():
|
|
support.run_unittest(Test_TestCase, Test_TestLoader,
|
|
Test_TestSuite, Test_TestResult, Test_FunctionTestCase,
|
|
Test_Assertions)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|