508 lines
16 KiB
Python
508 lines
16 KiB
Python
import io
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import sys
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import unittest
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def resultFactory(*_):
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return unittest.TestResult()
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class TestSetups(unittest.TestCase):
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def getRunner(self):
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return unittest.TextTestRunner(resultclass=resultFactory,
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stream=io.StringIO())
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def runTests(self, *cases):
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suite = unittest.TestSuite()
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for case in cases:
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tests = unittest.defaultTestLoader.loadTestsFromTestCase(case)
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suite.addTests(tests)
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runner = self.getRunner()
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# creating a nested suite exposes some potential bugs
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realSuite = unittest.TestSuite()
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realSuite.addTest(suite)
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# adding empty suites to the end exposes potential bugs
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suite.addTest(unittest.TestSuite())
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realSuite.addTest(unittest.TestSuite())
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return runner.run(realSuite)
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def test_setup_class(self):
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class Test(unittest.TestCase):
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setUpCalled = 0
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@classmethod
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def setUpClass(cls):
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Test.setUpCalled += 1
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unittest.TestCase.setUpClass()
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def test_one(self):
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pass
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def test_two(self):
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pass
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result = self.runTests(Test)
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self.assertEqual(Test.setUpCalled, 1)
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self.assertEqual(result.testsRun, 2)
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self.assertEqual(len(result.errors), 0)
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def test_teardown_class(self):
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class Test(unittest.TestCase):
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tearDownCalled = 0
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@classmethod
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def tearDownClass(cls):
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Test.tearDownCalled += 1
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unittest.TestCase.tearDownClass()
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def test_one(self):
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pass
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def test_two(self):
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pass
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result = self.runTests(Test)
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self.assertEqual(Test.tearDownCalled, 1)
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self.assertEqual(result.testsRun, 2)
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self.assertEqual(len(result.errors), 0)
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def test_teardown_class_two_classes(self):
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class Test(unittest.TestCase):
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tearDownCalled = 0
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@classmethod
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def tearDownClass(cls):
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Test.tearDownCalled += 1
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unittest.TestCase.tearDownClass()
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def test_one(self):
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pass
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def test_two(self):
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pass
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class Test2(unittest.TestCase):
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tearDownCalled = 0
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@classmethod
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def tearDownClass(cls):
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Test2.tearDownCalled += 1
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unittest.TestCase.tearDownClass()
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def test_one(self):
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pass
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def test_two(self):
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pass
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result = self.runTests(Test, Test2)
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self.assertEqual(Test.tearDownCalled, 1)
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self.assertEqual(Test2.tearDownCalled, 1)
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self.assertEqual(result.testsRun, 4)
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self.assertEqual(len(result.errors), 0)
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def test_error_in_setupclass(self):
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class BrokenTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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raise TypeError('foo')
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def test_one(self):
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pass
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def test_two(self):
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pass
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result = self.runTests(BrokenTest)
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self.assertEqual(result.testsRun, 0)
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self.assertEqual(len(result.errors), 1)
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error, _ = result.errors[0]
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self.assertEqual(str(error),
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'setUpClass (%s.%s)' % (__name__, BrokenTest.__qualname__))
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def test_error_in_teardown_class(self):
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class Test(unittest.TestCase):
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tornDown = 0
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@classmethod
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def tearDownClass(cls):
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Test.tornDown += 1
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raise TypeError('foo')
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def test_one(self):
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pass
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def test_two(self):
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pass
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class Test2(unittest.TestCase):
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tornDown = 0
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@classmethod
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def tearDownClass(cls):
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Test2.tornDown += 1
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raise TypeError('foo')
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def test_one(self):
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pass
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def test_two(self):
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pass
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result = self.runTests(Test, Test2)
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self.assertEqual(result.testsRun, 4)
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self.assertEqual(len(result.errors), 2)
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self.assertEqual(Test.tornDown, 1)
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self.assertEqual(Test2.tornDown, 1)
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error, _ = result.errors[0]
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self.assertEqual(str(error),
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'tearDownClass (%s.%s)' % (__name__, Test.__qualname__))
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def test_class_not_torndown_when_setup_fails(self):
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class Test(unittest.TestCase):
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tornDown = False
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@classmethod
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def setUpClass(cls):
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raise TypeError
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@classmethod
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def tearDownClass(cls):
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Test.tornDown = True
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raise TypeError('foo')
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def test_one(self):
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pass
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self.runTests(Test)
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self.assertFalse(Test.tornDown)
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def test_class_not_setup_or_torndown_when_skipped(self):
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class Test(unittest.TestCase):
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classSetUp = False
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tornDown = False
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@classmethod
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def setUpClass(cls):
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Test.classSetUp = True
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@classmethod
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def tearDownClass(cls):
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Test.tornDown = True
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def test_one(self):
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pass
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Test = unittest.skip("hop")(Test)
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self.runTests(Test)
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self.assertFalse(Test.classSetUp)
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self.assertFalse(Test.tornDown)
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def test_setup_teardown_order_with_pathological_suite(self):
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results = []
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class Module1(object):
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@staticmethod
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def setUpModule():
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results.append('Module1.setUpModule')
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@staticmethod
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def tearDownModule():
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results.append('Module1.tearDownModule')
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class Module2(object):
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@staticmethod
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def setUpModule():
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results.append('Module2.setUpModule')
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@staticmethod
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def tearDownModule():
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results.append('Module2.tearDownModule')
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class Test1(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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results.append('setup 1')
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@classmethod
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def tearDownClass(cls):
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results.append('teardown 1')
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def testOne(self):
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results.append('Test1.testOne')
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def testTwo(self):
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results.append('Test1.testTwo')
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class Test2(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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results.append('setup 2')
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@classmethod
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def tearDownClass(cls):
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results.append('teardown 2')
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def testOne(self):
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results.append('Test2.testOne')
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def testTwo(self):
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results.append('Test2.testTwo')
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class Test3(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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results.append('setup 3')
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@classmethod
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def tearDownClass(cls):
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results.append('teardown 3')
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def testOne(self):
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results.append('Test3.testOne')
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def testTwo(self):
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results.append('Test3.testTwo')
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Test1.__module__ = Test2.__module__ = 'Module'
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Test3.__module__ = 'Module2'
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sys.modules['Module'] = Module1
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sys.modules['Module2'] = Module2
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first = unittest.TestSuite((Test1('testOne'),))
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second = unittest.TestSuite((Test1('testTwo'),))
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third = unittest.TestSuite((Test2('testOne'),))
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fourth = unittest.TestSuite((Test2('testTwo'),))
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fifth = unittest.TestSuite((Test3('testOne'),))
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sixth = unittest.TestSuite((Test3('testTwo'),))
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suite = unittest.TestSuite((first, second, third, fourth, fifth, sixth))
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runner = self.getRunner()
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result = runner.run(suite)
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self.assertEqual(result.testsRun, 6)
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(results,
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['Module1.setUpModule', 'setup 1',
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'Test1.testOne', 'Test1.testTwo', 'teardown 1',
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'setup 2', 'Test2.testOne', 'Test2.testTwo',
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'teardown 2', 'Module1.tearDownModule',
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'Module2.setUpModule', 'setup 3',
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'Test3.testOne', 'Test3.testTwo',
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'teardown 3', 'Module2.tearDownModule'])
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def test_setup_module(self):
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class Module(object):
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moduleSetup = 0
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@staticmethod
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def setUpModule():
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Module.moduleSetup += 1
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class Test(unittest.TestCase):
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def test_one(self):
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pass
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def test_two(self):
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pass
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Test.__module__ = 'Module'
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sys.modules['Module'] = Module
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result = self.runTests(Test)
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self.assertEqual(Module.moduleSetup, 1)
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self.assertEqual(result.testsRun, 2)
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self.assertEqual(len(result.errors), 0)
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def test_error_in_setup_module(self):
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class Module(object):
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moduleSetup = 0
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moduleTornDown = 0
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@staticmethod
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def setUpModule():
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Module.moduleSetup += 1
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raise TypeError('foo')
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@staticmethod
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def tearDownModule():
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Module.moduleTornDown += 1
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class Test(unittest.TestCase):
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classSetUp = False
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classTornDown = False
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@classmethod
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def setUpClass(cls):
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Test.classSetUp = True
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@classmethod
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def tearDownClass(cls):
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Test.classTornDown = True
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def test_one(self):
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pass
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def test_two(self):
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pass
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class Test2(unittest.TestCase):
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def test_one(self):
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pass
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def test_two(self):
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pass
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Test.__module__ = 'Module'
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Test2.__module__ = 'Module'
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sys.modules['Module'] = Module
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result = self.runTests(Test, Test2)
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self.assertEqual(Module.moduleSetup, 1)
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self.assertEqual(Module.moduleTornDown, 0)
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self.assertEqual(result.testsRun, 0)
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self.assertFalse(Test.classSetUp)
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self.assertFalse(Test.classTornDown)
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self.assertEqual(len(result.errors), 1)
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error, _ = result.errors[0]
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self.assertEqual(str(error), 'setUpModule (Module)')
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def test_testcase_with_missing_module(self):
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class Test(unittest.TestCase):
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def test_one(self):
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pass
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def test_two(self):
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pass
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Test.__module__ = 'Module'
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sys.modules.pop('Module', None)
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result = self.runTests(Test)
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self.assertEqual(result.testsRun, 2)
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def test_teardown_module(self):
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class Module(object):
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moduleTornDown = 0
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@staticmethod
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def tearDownModule():
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Module.moduleTornDown += 1
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class Test(unittest.TestCase):
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def test_one(self):
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pass
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def test_two(self):
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pass
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Test.__module__ = 'Module'
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sys.modules['Module'] = Module
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result = self.runTests(Test)
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self.assertEqual(Module.moduleTornDown, 1)
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self.assertEqual(result.testsRun, 2)
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self.assertEqual(len(result.errors), 0)
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def test_error_in_teardown_module(self):
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class Module(object):
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moduleTornDown = 0
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@staticmethod
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def tearDownModule():
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Module.moduleTornDown += 1
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raise TypeError('foo')
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class Test(unittest.TestCase):
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classSetUp = False
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classTornDown = False
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@classmethod
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def setUpClass(cls):
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Test.classSetUp = True
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@classmethod
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def tearDownClass(cls):
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Test.classTornDown = True
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def test_one(self):
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pass
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def test_two(self):
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pass
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class Test2(unittest.TestCase):
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def test_one(self):
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pass
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def test_two(self):
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pass
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Test.__module__ = 'Module'
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Test2.__module__ = 'Module'
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sys.modules['Module'] = Module
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result = self.runTests(Test, Test2)
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self.assertEqual(Module.moduleTornDown, 1)
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self.assertEqual(result.testsRun, 4)
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self.assertTrue(Test.classSetUp)
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self.assertTrue(Test.classTornDown)
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self.assertEqual(len(result.errors), 1)
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error, _ = result.errors[0]
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self.assertEqual(str(error), 'tearDownModule (Module)')
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def test_skiptest_in_setupclass(self):
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class Test(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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raise unittest.SkipTest('foo')
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def test_one(self):
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pass
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def test_two(self):
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pass
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result = self.runTests(Test)
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self.assertEqual(result.testsRun, 0)
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.skipped), 1)
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skipped = result.skipped[0][0]
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self.assertEqual(str(skipped),
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'setUpClass (%s.%s)' % (__name__, Test.__qualname__))
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def test_skiptest_in_setupmodule(self):
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class Test(unittest.TestCase):
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def test_one(self):
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pass
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def test_two(self):
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pass
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class Module(object):
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@staticmethod
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def setUpModule():
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raise unittest.SkipTest('foo')
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Test.__module__ = 'Module'
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sys.modules['Module'] = Module
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result = self.runTests(Test)
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self.assertEqual(result.testsRun, 0)
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self.assertEqual(len(result.errors), 0)
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self.assertEqual(len(result.skipped), 1)
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skipped = result.skipped[0][0]
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self.assertEqual(str(skipped), 'setUpModule (Module)')
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def test_suite_debug_executes_setups_and_teardowns(self):
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ordering = []
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class Module(object):
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@staticmethod
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def setUpModule():
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ordering.append('setUpModule')
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@staticmethod
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def tearDownModule():
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ordering.append('tearDownModule')
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class Test(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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ordering.append('setUpClass')
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@classmethod
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def tearDownClass(cls):
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ordering.append('tearDownClass')
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def test_something(self):
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ordering.append('test_something')
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Test.__module__ = 'Module'
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sys.modules['Module'] = Module
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suite = unittest.defaultTestLoader.loadTestsFromTestCase(Test)
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suite.debug()
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expectedOrder = ['setUpModule', 'setUpClass', 'test_something', 'tearDownClass', 'tearDownModule']
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self.assertEqual(ordering, expectedOrder)
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def test_suite_debug_propagates_exceptions(self):
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class Module(object):
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@staticmethod
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def setUpModule():
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if phase == 0:
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raise Exception('setUpModule')
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@staticmethod
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def tearDownModule():
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if phase == 1:
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raise Exception('tearDownModule')
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class Test(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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if phase == 2:
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raise Exception('setUpClass')
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@classmethod
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def tearDownClass(cls):
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if phase == 3:
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raise Exception('tearDownClass')
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def test_something(self):
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if phase == 4:
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raise Exception('test_something')
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Test.__module__ = 'Module'
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sys.modules['Module'] = Module
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messages = ('setUpModule', 'tearDownModule', 'setUpClass', 'tearDownClass', 'test_something')
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for phase, msg in enumerate(messages):
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_suite = unittest.defaultTestLoader.loadTestsFromTestCase(Test)
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suite = unittest.TestSuite([_suite])
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with self.assertRaisesRegex(Exception, msg):
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suite.debug()
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if __name__ == '__main__':
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unittest.main()
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