320 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			320 lines
		
	
	
		
			8.6 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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| 
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| 
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| def test_module_and_function_setup(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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|         def teardown_module(module):
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|             modlevel.pop()
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| 
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|         def setup_function(function):
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|             function.answer = 17
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| 
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|         def teardown_function(function):
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|             del function.answer
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| 
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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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| 
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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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|     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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| 
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| 
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| def test_module_setup_failure_no_teardown(testdir):
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|     reprec = testdir.inline_runsource("""
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|         l = []
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|         def setup_module(module):
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|             l.append(1)
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|             0/0
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| 
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|         def test_nothing():
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|             pass
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| 
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|         def teardown_module(module):
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|             l.append(2)
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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.l == [1]
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| 
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| 
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| def test_setup_function_failure_no_teardown(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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|         def teardown_function(module):
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|             modlevel.append(2)
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| 
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|         def test_func():
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|             pass
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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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| 
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| 
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| def test_class_setup(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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|             def teardown_class(cls):
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|                 cls.clslevel.pop()
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| 
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|             def test_classlevel(self):
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|                 assert self.clslevel[0] == 23
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| 
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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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| 
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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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|     reprec.assertoutcome(passed=1 + 2 + 1)
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| 
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| 
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| def test_class_setup_failure_no_teardown(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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|             def teardown_class(cls):
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|                 cls.clslevel.append(1)
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| 
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|             def test_classlevel(self):
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|                 pass
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| 
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|         def test_cleanup():
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|             assert not TestSimpleClassSetup.clslevel
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|     """)
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|     reprec.assertoutcome(failed=1, passed=1)
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| 
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| 
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| def test_method_setup(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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|             def test_some(self):
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|                 assert self.methsetup == self.test_some
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| 
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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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|     reprec.assertoutcome(passed=2)
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| 
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| 
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| def test_method_setup_failure_no_teardown(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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|             def teardown_method(self, method):
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|                 self.clslevel.append(2)
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| 
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|             def test_method(self):
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|                 pass
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| 
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|         def test_cleanup():
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|             assert TestMethodSetup.clslevel == [1]
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|     """)
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|     reprec.assertoutcome(failed=1, passed=1)
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| 
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| 
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| def test_method_generator_setup(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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|             def setup_method(self, method):
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|                 self.methsetup = method
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| 
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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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| 
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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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|     reprec.assertoutcome(passed=1, failed=1)
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| 
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| 
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| def test_func_generator_setup(testdir):
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|     reprec = testdir.inline_runsource("""
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|         import sys
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| 
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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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| 
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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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| 
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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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| 
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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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|     rep = reprec.matchreport("test_one", names="pytest_runtest_logreport")
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|     assert rep.passed
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| 
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| 
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| def test_method_setup_uses_fresh_instances(testdir):
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|     reprec = testdir.inline_runsource("""
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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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| 
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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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|     reprec.assertoutcome(passed=2, failed=0)
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| 
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| 
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| def test_setup_that_skips_calledagain(testdir):
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|     p = testdir.makepyfile("""
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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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|     reprec = testdir.inline_run(p)
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|     reprec.assertoutcome(skipped=2)
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| 
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| 
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| def test_setup_fails_again_on_all_tests(testdir):
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|     p = testdir.makepyfile("""
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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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|     reprec = testdir.inline_run(p)
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|     reprec.assertoutcome(failed=2)
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| 
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| 
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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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|         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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|     result = testdir.runpytest(p)
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|     result.stdout.fnmatch_lines([
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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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|     assert "xyz43" not in result.stdout.str()
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| 
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| 
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| @pytest.mark.parametrize('arg', ['', 'arg'])
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| def test_setup_teardown_function_level_with_optional_argument(testdir, monkeypatch, arg):
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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(sys, 'trace_setups_teardowns', trace_setups_teardowns, raising=False)
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|     p = testdir.makepyfile("""
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|         import pytest
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|         import sys
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| 
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|         trace = sys.trace_setups_teardowns.append
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| 
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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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| 
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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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| 
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|         def test_function_1(): pass
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|         def test_function_2(): pass
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| 
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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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| 
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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(arg=arg))
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|     result = testdir.inline_run(p)
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|     result.assertoutcome(passed=4)
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| 
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|     expected = [
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|         'setup_module',
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| 
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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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| 
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|         'setup_method',
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|         'teardown_method',
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| 
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|         'setup_method',
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|         'teardown_method',
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| 
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|         'teardown_module',
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|     ]
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|     assert trace_setups_teardowns == expected
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