e46e653794
Fix #1649 Users of unittest style TestCases will create expensive objects in setUp. We should clean up TestCase instances that are lying around so that they don't fill up memory.
815 lines
24 KiB
Python
815 lines
24 KiB
Python
from _pytest.main import EXIT_NOTESTSCOLLECTED
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import pytest
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import gc
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def test_simple_unittest(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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class MyTestCase(unittest.TestCase):
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def testpassing(self):
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self.assertEquals('foo', 'foo')
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def test_failing(self):
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self.assertEquals('foo', 'bar')
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""")
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reprec = testdir.inline_run(testpath)
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assert reprec.matchreport("testpassing").passed
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assert reprec.matchreport("test_failing").failed
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def test_runTest_method(testdir):
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testdir.makepyfile("""
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import unittest
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class MyTestCaseWithRunTest(unittest.TestCase):
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def runTest(self):
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self.assertEquals('foo', 'foo')
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class MyTestCaseWithoutRunTest(unittest.TestCase):
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def runTest(self):
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self.assertEquals('foo', 'foo')
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def test_something(self):
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pass
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""")
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result = testdir.runpytest("-v")
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result.stdout.fnmatch_lines("""
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*MyTestCaseWithRunTest::runTest*
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*MyTestCaseWithoutRunTest::test_something*
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*2 passed*
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""")
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def test_isclasscheck_issue53(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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class _E(object):
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def __getattr__(self, tag):
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pass
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E = _E()
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""")
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result = testdir.runpytest(testpath)
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assert result.ret == EXIT_NOTESTSCOLLECTED
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def test_setup(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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class MyTestCase(unittest.TestCase):
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def setUp(self):
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self.foo = 1
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def setup_method(self, method):
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self.foo2 = 1
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def test_both(self):
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self.assertEquals(1, self.foo)
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assert self.foo2 == 1
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def teardown_method(self, method):
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assert 0, "42"
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""")
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reprec = testdir.inline_run("-s", testpath)
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assert reprec.matchreport("test_both", when="call").passed
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rep = reprec.matchreport("test_both", when="teardown")
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assert rep.failed and '42' in str(rep.longrepr)
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def test_setUpModule(testdir):
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testpath = testdir.makepyfile("""
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l = []
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def setUpModule():
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l.append(1)
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def tearDownModule():
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del l[0]
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def test_hello():
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assert l == [1]
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def test_world():
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assert l == [1]
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""")
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result = testdir.runpytest(testpath)
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result.stdout.fnmatch_lines([
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"*2 passed*",
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])
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def test_setUpModule_failing_no_teardown(testdir):
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testpath = testdir.makepyfile("""
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l = []
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def setUpModule():
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0/0
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def tearDownModule():
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l.append(1)
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def test_hello():
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pass
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""")
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reprec = testdir.inline_run(testpath)
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reprec.assertoutcome(passed=0, failed=1)
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call = reprec.getcalls("pytest_runtest_setup")[0]
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assert not call.item.module.l
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def test_new_instances(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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class MyTestCase(unittest.TestCase):
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def test_func1(self):
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self.x = 2
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def test_func2(self):
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assert not hasattr(self, 'x')
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""")
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reprec = testdir.inline_run(testpath)
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reprec.assertoutcome(passed=2)
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def test_teardown(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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class MyTestCase(unittest.TestCase):
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l = []
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def test_one(self):
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pass
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def tearDown(self):
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self.l.append(None)
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class Second(unittest.TestCase):
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def test_check(self):
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self.assertEquals(MyTestCase.l, [None])
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""")
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reprec = testdir.inline_run(testpath)
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passed, skipped, failed = reprec.countoutcomes()
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assert failed == 0, failed
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assert passed == 2
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assert passed + skipped + failed == 2
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def test_teardown_issue1649(testdir):
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"""
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Are TestCase objects cleaned up? Often unittest TestCase objects set
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attributes that are large and expensive during setUp.
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The TestCase will not be cleaned up if the test fails, because it
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would then exist in the stackframe.
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"""
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testpath = testdir.makepyfile("""
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import unittest
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class TestCaseObjectsShouldBeCleanedUp(unittest.TestCase):
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def setUp(self):
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self.an_expensive_object = 1
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def test_demo(self):
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pass
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""")
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testdir.inline_run("-s", testpath)
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gc.collect()
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for obj in gc.get_objects():
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assert type(obj).__name__ != 'TestCaseObjectsShouldBeCleanedUp'
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@pytest.mark.skipif("sys.version_info < (2,7)")
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def test_unittest_skip_issue148(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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@unittest.skip("hello")
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class MyTestCase(unittest.TestCase):
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@classmethod
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def setUpClass(self):
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xxx
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def test_one(self):
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pass
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@classmethod
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def tearDownClass(self):
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xxx
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""")
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reprec = testdir.inline_run(testpath)
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reprec.assertoutcome(skipped=1)
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def test_method_and_teardown_failing_reporting(testdir):
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testdir.makepyfile("""
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import unittest, pytest
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class TC(unittest.TestCase):
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def tearDown(self):
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assert 0, "down1"
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def test_method(self):
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assert False, "down2"
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""")
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result = testdir.runpytest("-s")
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assert result.ret == 1
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result.stdout.fnmatch_lines([
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"*tearDown*",
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"*assert 0*",
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"*test_method*",
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"*assert False*",
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"*1 failed*1 error*",
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])
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def test_setup_failure_is_shown(testdir):
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testdir.makepyfile("""
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import unittest
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import pytest
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class TC(unittest.TestCase):
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def setUp(self):
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assert 0, "down1"
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def test_method(self):
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print ("never42")
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xyz
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""")
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result = testdir.runpytest("-s")
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assert result.ret == 1
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result.stdout.fnmatch_lines([
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"*setUp*",
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"*assert 0*down1*",
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"*1 failed*",
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])
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assert 'never42' not in result.stdout.str()
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def test_setup_setUpClass(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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import pytest
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class MyTestCase(unittest.TestCase):
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x = 0
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@classmethod
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def setUpClass(cls):
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cls.x += 1
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def test_func1(self):
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assert self.x == 1
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def test_func2(self):
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assert self.x == 1
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@classmethod
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def tearDownClass(cls):
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cls.x -= 1
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def test_teareddown():
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assert MyTestCase.x == 0
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""")
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reprec = testdir.inline_run(testpath)
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reprec.assertoutcome(passed=3)
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def test_setup_class(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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import pytest
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class MyTestCase(unittest.TestCase):
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x = 0
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def setup_class(cls):
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cls.x += 1
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def test_func1(self):
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assert self.x == 1
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def test_func2(self):
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assert self.x == 1
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def teardown_class(cls):
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cls.x -= 1
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def test_teareddown():
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assert MyTestCase.x == 0
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""")
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reprec = testdir.inline_run(testpath)
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reprec.assertoutcome(passed=3)
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@pytest.mark.parametrize("type", ['Error', 'Failure'])
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def test_testcase_adderrorandfailure_defers(testdir, type):
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testdir.makepyfile("""
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from unittest import TestCase
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import pytest
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class MyTestCase(TestCase):
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def run(self, result):
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excinfo = pytest.raises(ZeroDivisionError, lambda: 0/0)
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try:
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result.add%s(self, excinfo._excinfo)
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except KeyboardInterrupt:
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raise
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except:
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pytest.fail("add%s should not raise")
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def test_hello(self):
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pass
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""" % (type, type))
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result = testdir.runpytest()
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assert 'should not raise' not in result.stdout.str()
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@pytest.mark.parametrize("type", ['Error', 'Failure'])
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def test_testcase_custom_exception_info(testdir, type):
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testdir.makepyfile("""
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from unittest import TestCase
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import py, pytest
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import _pytest._code
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class MyTestCase(TestCase):
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def run(self, result):
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excinfo = pytest.raises(ZeroDivisionError, lambda: 0/0)
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# we fake an incompatible exception info
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from _pytest.monkeypatch import MonkeyPatch
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mp = MonkeyPatch()
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def t(*args):
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mp.undo()
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raise TypeError()
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mp.setattr(_pytest._code, 'ExceptionInfo', t)
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try:
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excinfo = excinfo._excinfo
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result.add%(type)s(self, excinfo)
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finally:
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mp.undo()
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def test_hello(self):
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pass
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""" % locals())
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result = testdir.runpytest()
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result.stdout.fnmatch_lines([
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"NOTE: Incompatible Exception Representation*",
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"*ZeroDivisionError*",
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"*1 failed*",
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])
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def test_testcase_totally_incompatible_exception_info(testdir):
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item, = testdir.getitems("""
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from unittest import TestCase
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class MyTestCase(TestCase):
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def test_hello(self):
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pass
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""")
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item.addError(None, 42)
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excinfo = item._excinfo.pop(0)
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assert 'ERROR: Unknown Incompatible' in str(excinfo.getrepr())
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def test_module_level_pytestmark(testdir):
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testpath = testdir.makepyfile("""
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import unittest
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import pytest
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pytestmark = pytest.mark.xfail
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class MyTestCase(unittest.TestCase):
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def test_func1(self):
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assert 0
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""")
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reprec = testdir.inline_run(testpath, "-s")
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reprec.assertoutcome(skipped=1)
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def test_trial_testcase_skip_property(testdir):
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pytest.importorskip('twisted.trial.unittest')
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testpath = testdir.makepyfile("""
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from twisted.trial import unittest
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class MyTestCase(unittest.TestCase):
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skip = 'dont run'
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def test_func(self):
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pass
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""")
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reprec = testdir.inline_run(testpath, "-s")
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reprec.assertoutcome(skipped=1)
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def test_trial_testfunction_skip_property(testdir):
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pytest.importorskip('twisted.trial.unittest')
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testpath = testdir.makepyfile("""
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from twisted.trial import unittest
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class MyTestCase(unittest.TestCase):
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def test_func(self):
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pass
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test_func.skip = 'dont run'
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""")
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reprec = testdir.inline_run(testpath, "-s")
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reprec.assertoutcome(skipped=1)
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def test_trial_testcase_todo_property(testdir):
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pytest.importorskip('twisted.trial.unittest')
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testpath = testdir.makepyfile("""
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from twisted.trial import unittest
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class MyTestCase(unittest.TestCase):
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todo = 'dont run'
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def test_func(self):
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assert 0
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""")
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reprec = testdir.inline_run(testpath, "-s")
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reprec.assertoutcome(skipped=1)
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def test_trial_testfunction_todo_property(testdir):
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pytest.importorskip('twisted.trial.unittest')
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testpath = testdir.makepyfile("""
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from twisted.trial import unittest
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class MyTestCase(unittest.TestCase):
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def test_func(self):
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assert 0
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test_func.todo = 'dont run'
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""")
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reprec = testdir.inline_run(testpath, "-s")
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reprec.assertoutcome(skipped=1)
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class TestTrialUnittest:
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def setup_class(cls):
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cls.ut = pytest.importorskip("twisted.trial.unittest")
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def test_trial_testcase_runtest_not_collected(self, testdir):
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testdir.makepyfile("""
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from twisted.trial.unittest import TestCase
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class TC(TestCase):
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def test_hello(self):
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pass
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""")
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reprec = testdir.inline_run()
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reprec.assertoutcome(passed=1)
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testdir.makepyfile("""
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from twisted.trial.unittest import TestCase
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class TC(TestCase):
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def runTest(self):
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pass
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""")
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reprec = testdir.inline_run()
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reprec.assertoutcome(passed=1)
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def test_trial_exceptions_with_skips(self, testdir):
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testdir.makepyfile("""
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from twisted.trial import unittest
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import pytest
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class TC(unittest.TestCase):
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def test_hello(self):
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pytest.skip("skip_in_method")
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@pytest.mark.skipif("sys.version_info != 1")
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def test_hello2(self):
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pass
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@pytest.mark.xfail(reason="iwanto")
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def test_hello3(self):
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assert 0
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def test_hello4(self):
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pytest.xfail("i2wanto")
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def test_trial_skip(self):
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pass
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test_trial_skip.skip = "trialselfskip"
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def test_trial_todo(self):
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assert 0
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test_trial_todo.todo = "mytodo"
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def test_trial_todo_success(self):
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pass
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test_trial_todo_success.todo = "mytodo"
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class TC2(unittest.TestCase):
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def setup_class(cls):
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pytest.skip("skip_in_setup_class")
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def test_method(self):
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pass
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""")
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from _pytest.compat import _is_unittest_unexpected_success_a_failure
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should_fail = _is_unittest_unexpected_success_a_failure()
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result = testdir.runpytest("-rxs")
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result.stdout.fnmatch_lines_random([
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"*XFAIL*test_trial_todo*",
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"*trialselfskip*",
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"*skip_in_setup_class*",
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"*iwanto*",
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"*i2wanto*",
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"*sys.version_info*",
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"*skip_in_method*",
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"*1 failed*4 skipped*3 xfailed*" if should_fail else "*4 skipped*3 xfail*1 xpass*",
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])
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assert result.ret == (1 if should_fail else 0)
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def test_trial_error(self, testdir):
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testdir.makepyfile("""
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from twisted.trial.unittest import TestCase
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from twisted.internet.defer import Deferred
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from twisted.internet import reactor
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class TC(TestCase):
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def test_one(self):
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crash
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def test_two(self):
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def f(_):
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crash
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d = Deferred()
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d.addCallback(f)
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reactor.callLater(0.3, d.callback, None)
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return d
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def test_three(self):
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def f():
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pass # will never get called
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reactor.callLater(0.3, f)
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# will crash at teardown
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def test_four(self):
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def f(_):
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reactor.callLater(0.3, f)
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crash
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d = Deferred()
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d.addCallback(f)
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reactor.callLater(0.3, d.callback, None)
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return d
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# will crash both at test time and at teardown
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""")
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result = testdir.runpytest()
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result.stdout.fnmatch_lines([
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"*ERRORS*",
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"*DelayedCalls*",
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"*test_four*",
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"*NameError*crash*",
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"*test_one*",
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"*NameError*crash*",
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"*test_three*",
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"*DelayedCalls*",
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"*test_two*",
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"*crash*",
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])
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def test_trial_pdb(self, testdir):
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p = testdir.makepyfile("""
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from twisted.trial import unittest
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import pytest
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class TC(unittest.TestCase):
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def test_hello(self):
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assert 0, "hellopdb"
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""")
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child = testdir.spawn_pytest(p)
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child.expect("hellopdb")
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child.sendeof()
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def test_djangolike_testcase(testdir):
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# contributed from Morten Breekevold
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testdir.makepyfile("""
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from unittest import TestCase, main
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|
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class DjangoLikeTestCase(TestCase):
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def setUp(self):
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print ("setUp()")
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def test_presetup_has_been_run(self):
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print ("test_thing()")
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self.assertTrue(hasattr(self, 'was_presetup'))
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def tearDown(self):
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print ("tearDown()")
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def __call__(self, result=None):
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try:
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self._pre_setup()
|
|
except (KeyboardInterrupt, SystemExit):
|
|
raise
|
|
except Exception:
|
|
import sys
|
|
result.addError(self, sys.exc_info())
|
|
return
|
|
super(DjangoLikeTestCase, self).__call__(result)
|
|
try:
|
|
self._post_teardown()
|
|
except (KeyboardInterrupt, SystemExit):
|
|
raise
|
|
except Exception:
|
|
import sys
|
|
result.addError(self, sys.exc_info())
|
|
return
|
|
|
|
def _pre_setup(self):
|
|
print ("_pre_setup()")
|
|
self.was_presetup = True
|
|
|
|
def _post_teardown(self):
|
|
print ("_post_teardown()")
|
|
""")
|
|
result = testdir.runpytest("-s")
|
|
assert result.ret == 0
|
|
result.stdout.fnmatch_lines([
|
|
"*_pre_setup()*",
|
|
"*setUp()*",
|
|
"*test_thing()*",
|
|
"*tearDown()*",
|
|
"*_post_teardown()*",
|
|
])
|
|
|
|
|
|
def test_unittest_not_shown_in_traceback(testdir):
|
|
testdir.makepyfile("""
|
|
import unittest
|
|
class t(unittest.TestCase):
|
|
def test_hello(self):
|
|
x = 3
|
|
self.assertEquals(x, 4)
|
|
""")
|
|
res = testdir.runpytest()
|
|
assert "failUnlessEqual" not in res.stdout.str()
|
|
|
|
def test_unorderable_types(testdir):
|
|
testdir.makepyfile("""
|
|
import unittest
|
|
class TestJoinEmpty(unittest.TestCase):
|
|
pass
|
|
|
|
def make_test():
|
|
class Test(unittest.TestCase):
|
|
pass
|
|
Test.__name__ = "TestFoo"
|
|
return Test
|
|
TestFoo = make_test()
|
|
""")
|
|
result = testdir.runpytest()
|
|
assert "TypeError" not in result.stdout.str()
|
|
assert result.ret == EXIT_NOTESTSCOLLECTED
|
|
|
|
def test_unittest_typerror_traceback(testdir):
|
|
testdir.makepyfile("""
|
|
import unittest
|
|
class TestJoinEmpty(unittest.TestCase):
|
|
def test_hello(self, arg1):
|
|
pass
|
|
""")
|
|
result = testdir.runpytest()
|
|
assert "TypeError" in result.stdout.str()
|
|
assert result.ret == 1
|
|
|
|
|
|
@pytest.mark.skipif("sys.version_info < (2,7)")
|
|
@pytest.mark.parametrize('runner', ['pytest', 'unittest'])
|
|
def test_unittest_expected_failure_for_failing_test_is_xfail(testdir, runner):
|
|
script = testdir.makepyfile("""
|
|
import unittest
|
|
class MyTestCase(unittest.TestCase):
|
|
@unittest.expectedFailure
|
|
def test_failing_test_is_xfail(self):
|
|
assert False
|
|
if __name__ == '__main__':
|
|
unittest.main()
|
|
""")
|
|
if runner == 'pytest':
|
|
result = testdir.runpytest("-rxX")
|
|
result.stdout.fnmatch_lines([
|
|
"*XFAIL*MyTestCase*test_failing_test_is_xfail*",
|
|
"*1 xfailed*",
|
|
])
|
|
else:
|
|
result = testdir.runpython(script)
|
|
result.stderr.fnmatch_lines([
|
|
"*1 test in*",
|
|
"*OK*(expected failures=1)*",
|
|
])
|
|
assert result.ret == 0
|
|
|
|
|
|
@pytest.mark.skipif("sys.version_info < (2,7)")
|
|
@pytest.mark.parametrize('runner', ['pytest', 'unittest'])
|
|
def test_unittest_expected_failure_for_passing_test_is_fail(testdir, runner):
|
|
script = testdir.makepyfile("""
|
|
import unittest
|
|
class MyTestCase(unittest.TestCase):
|
|
@unittest.expectedFailure
|
|
def test_passing_test_is_fail(self):
|
|
assert True
|
|
if __name__ == '__main__':
|
|
unittest.main()
|
|
""")
|
|
from _pytest.compat import _is_unittest_unexpected_success_a_failure
|
|
should_fail = _is_unittest_unexpected_success_a_failure()
|
|
if runner == 'pytest':
|
|
result = testdir.runpytest("-rxX")
|
|
result.stdout.fnmatch_lines([
|
|
"*MyTestCase*test_passing_test_is_fail*",
|
|
"*1 failed*" if should_fail else "*1 xpassed*",
|
|
])
|
|
else:
|
|
result = testdir.runpython(script)
|
|
result.stderr.fnmatch_lines([
|
|
"*1 test in*",
|
|
"*(unexpected successes=1)*",
|
|
])
|
|
|
|
assert result.ret == (1 if should_fail else 0)
|
|
|
|
|
|
@pytest.mark.parametrize('fix_type, stmt', [
|
|
('fixture', 'return'),
|
|
('yield_fixture', 'yield'),
|
|
])
|
|
def test_unittest_setup_interaction(testdir, fix_type, stmt):
|
|
testdir.makepyfile("""
|
|
import unittest
|
|
import pytest
|
|
class MyTestCase(unittest.TestCase):
|
|
@pytest.{fix_type}(scope="class", autouse=True)
|
|
def perclass(self, request):
|
|
request.cls.hello = "world"
|
|
{stmt}
|
|
@pytest.{fix_type}(scope="function", autouse=True)
|
|
def perfunction(self, request):
|
|
request.instance.funcname = request.function.__name__
|
|
{stmt}
|
|
|
|
def test_method1(self):
|
|
assert self.funcname == "test_method1"
|
|
assert self.hello == "world"
|
|
|
|
def test_method2(self):
|
|
assert self.funcname == "test_method2"
|
|
|
|
def test_classattr(self):
|
|
assert self.__class__.hello == "world"
|
|
""".format(fix_type=fix_type, stmt=stmt))
|
|
result = testdir.runpytest()
|
|
result.stdout.fnmatch_lines("*3 passed*")
|
|
|
|
|
|
def test_non_unittest_no_setupclass_support(testdir):
|
|
testpath = testdir.makepyfile("""
|
|
class TestFoo:
|
|
x = 0
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.x = 1
|
|
|
|
def test_method1(self):
|
|
assert self.x == 0
|
|
|
|
@classmethod
|
|
def tearDownClass(cls):
|
|
cls.x = 1
|
|
|
|
def test_not_teareddown():
|
|
assert TestFoo.x == 0
|
|
|
|
""")
|
|
reprec = testdir.inline_run(testpath)
|
|
reprec.assertoutcome(passed=2)
|
|
|
|
|
|
def test_no_teardown_if_setupclass_failed(testdir):
|
|
testpath = testdir.makepyfile("""
|
|
import unittest
|
|
|
|
class MyTestCase(unittest.TestCase):
|
|
x = 0
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.x = 1
|
|
assert False
|
|
|
|
def test_func1(self):
|
|
cls.x = 10
|
|
|
|
@classmethod
|
|
def tearDownClass(cls):
|
|
cls.x = 100
|
|
|
|
def test_notTornDown():
|
|
assert MyTestCase.x == 1
|
|
""")
|
|
reprec = testdir.inline_run(testpath)
|
|
reprec.assertoutcome(passed=1, failed=1)
|
|
|
|
|
|
def test_issue333_result_clearing(testdir):
|
|
testdir.makeconftest("""
|
|
def pytest_runtest_call(__multicall__, item):
|
|
__multicall__.execute()
|
|
assert 0
|
|
""")
|
|
testdir.makepyfile("""
|
|
import unittest
|
|
class TestIt(unittest.TestCase):
|
|
def test_func(self):
|
|
0/0
|
|
""")
|
|
|
|
reprec = testdir.inline_run()
|
|
reprec.assertoutcome(failed=1)
|
|
|
|
@pytest.mark.skipif("sys.version_info < (2,7)")
|
|
def test_unittest_raise_skip_issue748(testdir):
|
|
testdir.makepyfile(test_foo="""
|
|
import unittest
|
|
|
|
class MyTestCase(unittest.TestCase):
|
|
def test_one(self):
|
|
raise unittest.SkipTest('skipping due to reasons')
|
|
""")
|
|
result = testdir.runpytest("-v", '-rs')
|
|
result.stdout.fnmatch_lines("""
|
|
*SKIP*[1]*test_foo.py*skipping due to reasons*
|
|
*1 skipped*
|
|
""")
|
|
|
|
@pytest.mark.skipif("sys.version_info < (2,7)")
|
|
def test_unittest_skip_issue1169(testdir):
|
|
testdir.makepyfile(test_foo="""
|
|
import unittest
|
|
|
|
class MyTestCase(unittest.TestCase):
|
|
@unittest.skip("skipping due to reasons")
|
|
def test_skip(self):
|
|
self.fail()
|
|
""")
|
|
result = testdir.runpytest("-v", '-rs')
|
|
result.stdout.fnmatch_lines("""
|
|
*SKIP*[1]*skipping due to reasons*
|
|
*1 skipped*
|
|
""")
|
|
|
|
def test_class_method_containing_test_issue1558(testdir):
|
|
testdir.makepyfile(test_foo="""
|
|
import unittest
|
|
|
|
class MyTestCase(unittest.TestCase):
|
|
def test_should_run(self):
|
|
pass
|
|
def test_should_not_run(self):
|
|
pass
|
|
test_should_not_run.__test__ = False
|
|
""")
|
|
reprec = testdir.inline_run()
|
|
reprec.assertoutcome(passed=1)
|