test_ok2/testing/test_runner_xunit.py

320 lines
8.6 KiB
Python

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