353 lines
8.9 KiB
Python
353 lines
8.9 KiB
Python
"""
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test correct setup/teardowns at
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module, class, and instance level
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"""
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from __future__ import absolute_import, division, print_function
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import pytest
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def test_module_and_function_setup(testdir):
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reprec = testdir.inline_runsource(
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"""
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modlevel = []
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def setup_module(module):
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assert not modlevel
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module.modlevel.append(42)
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def teardown_module(module):
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modlevel.pop()
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def setup_function(function):
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function.answer = 17
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def teardown_function(function):
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del function.answer
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def test_modlevel():
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assert modlevel[0] == 42
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assert test_modlevel.answer == 17
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class TestFromClass(object):
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def test_module(self):
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assert modlevel[0] == 42
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assert not hasattr(test_modlevel, 'answer')
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"""
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)
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rep = reprec.matchreport("test_modlevel")
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assert rep.passed
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rep = reprec.matchreport("test_module")
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assert rep.passed
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def test_module_setup_failure_no_teardown(testdir):
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reprec = testdir.inline_runsource(
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"""
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values = []
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def setup_module(module):
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values.append(1)
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0/0
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def test_nothing():
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pass
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def teardown_module(module):
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values.append(2)
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"""
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)
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reprec.assertoutcome(failed=1)
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calls = reprec.getcalls("pytest_runtest_setup")
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assert calls[0].item.module.values == [1]
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def test_setup_function_failure_no_teardown(testdir):
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reprec = testdir.inline_runsource(
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"""
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modlevel = []
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def setup_function(function):
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modlevel.append(1)
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0/0
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def teardown_function(module):
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modlevel.append(2)
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def test_func():
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pass
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"""
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)
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calls = reprec.getcalls("pytest_runtest_setup")
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assert calls[0].item.module.modlevel == [1]
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def test_class_setup(testdir):
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reprec = testdir.inline_runsource(
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"""
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class TestSimpleClassSetup(object):
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clslevel = []
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def setup_class(cls):
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cls.clslevel.append(23)
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def teardown_class(cls):
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cls.clslevel.pop()
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def test_classlevel(self):
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assert self.clslevel[0] == 23
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class TestInheritedClassSetupStillWorks(TestSimpleClassSetup):
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def test_classlevel_anothertime(self):
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assert self.clslevel == [23]
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def test_cleanup():
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assert not TestSimpleClassSetup.clslevel
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assert not TestInheritedClassSetupStillWorks.clslevel
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"""
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)
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reprec.assertoutcome(passed=1 + 2 + 1)
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def test_class_setup_failure_no_teardown(testdir):
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reprec = testdir.inline_runsource(
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"""
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class TestSimpleClassSetup(object):
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clslevel = []
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def setup_class(cls):
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0/0
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def teardown_class(cls):
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cls.clslevel.append(1)
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def test_classlevel(self):
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pass
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def test_cleanup():
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assert not TestSimpleClassSetup.clslevel
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"""
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)
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reprec.assertoutcome(failed=1, passed=1)
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def test_method_setup(testdir):
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reprec = testdir.inline_runsource(
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"""
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class TestSetupMethod(object):
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def setup_method(self, meth):
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self.methsetup = meth
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def teardown_method(self, meth):
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del self.methsetup
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def test_some(self):
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assert self.methsetup == self.test_some
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def test_other(self):
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assert self.methsetup == self.test_other
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"""
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)
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reprec.assertoutcome(passed=2)
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def test_method_setup_failure_no_teardown(testdir):
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reprec = testdir.inline_runsource(
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"""
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class TestMethodSetup(object):
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clslevel = []
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def setup_method(self, method):
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self.clslevel.append(1)
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0/0
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def teardown_method(self, method):
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self.clslevel.append(2)
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def test_method(self):
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pass
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def test_cleanup():
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assert TestMethodSetup.clslevel == [1]
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"""
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)
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reprec.assertoutcome(failed=1, passed=1)
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def test_method_generator_setup(testdir):
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reprec = testdir.inline_runsource(
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"""
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class TestSetupTeardownOnInstance(object):
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def setup_class(cls):
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cls.classsetup = True
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def setup_method(self, method):
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self.methsetup = method
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def test_generate(self):
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assert self.classsetup
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assert self.methsetup == self.test_generate
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yield self.generated, 5
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yield self.generated, 2
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def generated(self, value):
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assert self.classsetup
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assert self.methsetup == self.test_generate
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assert value == 5
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"""
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)
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reprec.assertoutcome(passed=1, failed=1)
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def test_func_generator_setup(testdir):
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reprec = testdir.inline_runsource(
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"""
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import sys
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def setup_module(mod):
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print ("setup_module")
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mod.x = []
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def setup_function(fun):
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print ("setup_function")
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x.append(1)
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def teardown_function(fun):
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print ("teardown_function")
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x.pop()
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def test_one():
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assert x == [1]
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def check():
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print ("check")
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sys.stderr.write("e\\n")
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assert x == [1]
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yield check
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assert x == [1]
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"""
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)
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rep = reprec.matchreport("test_one", names="pytest_runtest_logreport")
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assert rep.passed
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def test_method_setup_uses_fresh_instances(testdir):
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reprec = testdir.inline_runsource(
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"""
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class TestSelfState1(object):
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memory = []
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def test_hello(self):
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self.memory.append(self)
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def test_afterhello(self):
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assert self != self.memory[0]
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"""
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)
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reprec.assertoutcome(passed=2, failed=0)
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def test_setup_that_skips_calledagain(testdir):
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p = testdir.makepyfile(
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"""
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import pytest
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def setup_module(mod):
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pytest.skip("x")
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def test_function1():
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pass
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def test_function2():
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pass
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"""
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)
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reprec = testdir.inline_run(p)
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reprec.assertoutcome(skipped=2)
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def test_setup_fails_again_on_all_tests(testdir):
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p = testdir.makepyfile(
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"""
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import pytest
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def setup_module(mod):
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raise ValueError(42)
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def test_function1():
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pass
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def test_function2():
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pass
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"""
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)
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reprec = testdir.inline_run(p)
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reprec.assertoutcome(failed=2)
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def test_setup_funcarg_setup_when_outer_scope_fails(testdir):
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p = testdir.makepyfile(
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"""
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import pytest
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def setup_module(mod):
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raise ValueError(42)
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@pytest.fixture
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def hello(request):
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raise ValueError("xyz43")
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def test_function1(hello):
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pass
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def test_function2(hello):
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pass
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"""
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)
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result = testdir.runpytest(p)
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result.stdout.fnmatch_lines(
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[
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"*function1*",
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"*ValueError*42*",
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"*function2*",
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"*ValueError*42*",
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"*2 error*",
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]
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)
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assert "xyz43" not in result.stdout.str()
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@pytest.mark.parametrize("arg", ["", "arg"])
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def test_setup_teardown_function_level_with_optional_argument(
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testdir, monkeypatch, arg
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):
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"""parameter to setup/teardown xunit-style functions parameter is now optional (#1728)."""
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import sys
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trace_setups_teardowns = []
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monkeypatch.setattr(
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sys, "trace_setups_teardowns", trace_setups_teardowns, raising=False
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)
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p = testdir.makepyfile(
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"""
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import pytest
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import sys
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trace = sys.trace_setups_teardowns.append
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def setup_module({arg}): trace('setup_module')
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def teardown_module({arg}): trace('teardown_module')
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def setup_function({arg}): trace('setup_function')
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def teardown_function({arg}): trace('teardown_function')
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def test_function_1(): pass
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def test_function_2(): pass
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class Test(object):
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def setup_method(self, {arg}): trace('setup_method')
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def teardown_method(self, {arg}): trace('teardown_method')
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def test_method_1(self): pass
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def test_method_2(self): pass
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""".format(
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arg=arg
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)
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)
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result = testdir.inline_run(p)
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result.assertoutcome(passed=4)
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expected = [
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"setup_module",
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"setup_function",
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"teardown_function",
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"setup_function",
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"teardown_function",
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"setup_method",
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"teardown_method",
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"setup_method",
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"teardown_method",
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"teardown_module",
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]
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assert trace_setups_teardowns == expected
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