test_ok1/testing/test_python.py

1373 lines
47 KiB
Python

import pytest, py, sys
from _pytest import python as funcargs
class TestModule:
def test_failing_import(self, testdir):
modcol = testdir.getmodulecol("import alksdjalskdjalkjals")
pytest.raises(ImportError, modcol.collect)
pytest.raises(ImportError, modcol.collect)
def test_import_duplicate(self, testdir):
a = testdir.mkdir("a")
b = testdir.mkdir("b")
p = a.ensure("test_whatever.py")
p.pyimport()
del py.std.sys.modules['test_whatever']
b.ensure("test_whatever.py")
result = testdir.runpytest()
result.stdout.fnmatch_lines([
"*import*mismatch*",
"*imported*test_whatever*",
"*%s*" % a.join("test_whatever.py"),
"*not the same*",
"*%s*" % b.join("test_whatever.py"),
"*HINT*",
])
def test_syntax_error_in_module(self, testdir):
modcol = testdir.getmodulecol("this is a syntax error")
pytest.raises(modcol.CollectError, modcol.collect)
pytest.raises(modcol.CollectError, modcol.collect)
def test_module_considers_pluginmanager_at_import(self, testdir):
modcol = testdir.getmodulecol("pytest_plugins='xasdlkj',")
pytest.raises(ImportError, "modcol.obj")
class TestClass:
def test_class_with_init_not_collected(self, testdir):
modcol = testdir.getmodulecol("""
class TestClass1:
def __init__(self):
pass
class TestClass2(object):
def __init__(self):
pass
""")
l = modcol.collect()
assert len(l) == 0
def test_class_subclassobject(self, testdir):
testdir.getmodulecol("""
class test(object):
pass
""")
result = testdir.runpytest()
result.stdout.fnmatch_lines([
"*collected 0*",
])
class TestGenerator:
def test_generative_functions(self, testdir):
modcol = testdir.getmodulecol("""
def func1(arg, arg2):
assert arg == arg2
def test_gen():
yield func1, 17, 3*5
yield func1, 42, 6*7
""")
colitems = modcol.collect()
assert len(colitems) == 1
gencol = colitems[0]
assert isinstance(gencol, pytest.Generator)
gencolitems = gencol.collect()
assert len(gencolitems) == 2
assert isinstance(gencolitems[0], pytest.Function)
assert isinstance(gencolitems[1], pytest.Function)
assert gencolitems[0].name == '[0]'
assert gencolitems[0].obj.__name__ == 'func1'
def test_generative_methods(self, testdir):
modcol = testdir.getmodulecol("""
def func1(arg, arg2):
assert arg == arg2
class TestGenMethods:
def test_gen(self):
yield func1, 17, 3*5
yield func1, 42, 6*7
""")
gencol = modcol.collect()[0].collect()[0].collect()[0]
assert isinstance(gencol, pytest.Generator)
gencolitems = gencol.collect()
assert len(gencolitems) == 2
assert isinstance(gencolitems[0], pytest.Function)
assert isinstance(gencolitems[1], pytest.Function)
assert gencolitems[0].name == '[0]'
assert gencolitems[0].obj.__name__ == 'func1'
def test_generative_functions_with_explicit_names(self, testdir):
modcol = testdir.getmodulecol("""
def func1(arg, arg2):
assert arg == arg2
def test_gen():
yield "seventeen", func1, 17, 3*5
yield "fortytwo", func1, 42, 6*7
""")
colitems = modcol.collect()
assert len(colitems) == 1
gencol = colitems[0]
assert isinstance(gencol, pytest.Generator)
gencolitems = gencol.collect()
assert len(gencolitems) == 2
assert isinstance(gencolitems[0], pytest.Function)
assert isinstance(gencolitems[1], pytest.Function)
assert gencolitems[0].name == "['seventeen']"
assert gencolitems[0].obj.__name__ == 'func1'
assert gencolitems[1].name == "['fortytwo']"
assert gencolitems[1].obj.__name__ == 'func1'
def test_generative_functions_unique_explicit_names(self, testdir):
# generative
modcol = testdir.getmodulecol("""
def func(): pass
def test_gen():
yield "name", func
yield "name", func
""")
colitems = modcol.collect()
assert len(colitems) == 1
gencol = colitems[0]
assert isinstance(gencol, pytest.Generator)
pytest.raises(ValueError, "gencol.collect()")
def test_generative_methods_with_explicit_names(self, testdir):
modcol = testdir.getmodulecol("""
def func1(arg, arg2):
assert arg == arg2
class TestGenMethods:
def test_gen(self):
yield "m1", func1, 17, 3*5
yield "m2", func1, 42, 6*7
""")
gencol = modcol.collect()[0].collect()[0].collect()[0]
assert isinstance(gencol, pytest.Generator)
gencolitems = gencol.collect()
assert len(gencolitems) == 2
assert isinstance(gencolitems[0], pytest.Function)
assert isinstance(gencolitems[1], pytest.Function)
assert gencolitems[0].name == "['m1']"
assert gencolitems[0].obj.__name__ == 'func1'
assert gencolitems[1].name == "['m2']"
assert gencolitems[1].obj.__name__ == 'func1'
def test_order_of_execution_generator_same_codeline(self, testdir, tmpdir):
o = testdir.makepyfile("""
def test_generative_order_of_execution():
import py, pytest
test_list = []
expected_list = list(range(6))
def list_append(item):
test_list.append(item)
def assert_order_of_execution():
py.builtin.print_('expected order', expected_list)
py.builtin.print_('but got ', test_list)
assert test_list == expected_list
for i in expected_list:
yield list_append, i
yield assert_order_of_execution
""")
reprec = testdir.inline_run(o)
passed, skipped, failed = reprec.countoutcomes()
assert passed == 7
assert not skipped and not failed
def test_order_of_execution_generator_different_codeline(self, testdir):
o = testdir.makepyfile("""
def test_generative_tests_different_codeline():
import py, pytest
test_list = []
expected_list = list(range(3))
def list_append_2():
test_list.append(2)
def list_append_1():
test_list.append(1)
def list_append_0():
test_list.append(0)
def assert_order_of_execution():
py.builtin.print_('expected order', expected_list)
py.builtin.print_('but got ', test_list)
assert test_list == expected_list
yield list_append_0
yield list_append_1
yield list_append_2
yield assert_order_of_execution
""")
reprec = testdir.inline_run(o)
passed, skipped, failed = reprec.countoutcomes()
assert passed == 4
assert not skipped and not failed
def test_setupstate_is_preserved_134(self, testdir):
# yield-based tests are messy wrt to setupstate because
# during collection they already invoke setup functions
# and then again when they are run. For now, we want to make sure
# that the old 1.3.4 behaviour is preserved such that all
# yielded functions all share the same "self" instance that
# has been used during collection.
o = testdir.makepyfile("""
setuplist = []
class TestClass:
def setup_method(self, func):
#print "setup_method", self, func
setuplist.append(self)
self.init = 42
def teardown_method(self, func):
self.init = None
def test_func1(self):
pass
def test_func2(self):
yield self.func2
yield self.func2
def func2(self):
assert self.init
def test_setuplist():
# once for test_func2 during collection
# once for test_func1 during test run
# once for test_func2 during test run
#print setuplist
assert len(setuplist) == 3, len(setuplist)
assert setuplist[0] == setuplist[2], setuplist
assert setuplist[1] != setuplist[2], setuplist
""")
reprec = testdir.inline_run(o, '-v')
passed, skipped, failed = reprec.countoutcomes()
assert passed == 4
assert not skipped and not failed
class TestFunction:
def test_getmodulecollector(self, testdir):
item = testdir.getitem("def test_func(): pass")
modcol = item.getparent(pytest.Module)
assert isinstance(modcol, pytest.Module)
assert hasattr(modcol.obj, 'test_func')
def test_function_equality(self, testdir, tmpdir):
config = testdir.parseconfigure()
session = testdir.Session(config)
f1 = pytest.Function(name="name", config=config,
args=(1,), callobj=isinstance, session=session)
f2 = pytest.Function(name="name",config=config,
args=(1,), callobj=py.builtin.callable, session=session)
assert not f1 == f2
assert f1 != f2
f3 = pytest.Function(name="name", config=config,
args=(1,2), callobj=py.builtin.callable, session=session)
assert not f3 == f2
assert f3 != f2
assert not f3 == f1
assert f3 != f1
f1_b = pytest.Function(name="name", config=config,
args=(1,), callobj=isinstance, session=session)
assert f1 == f1_b
assert not f1 != f1_b
def test_function_equality_with_callspec(self, testdir, tmpdir):
config = testdir.parseconfigure()
class callspec1:
param = 1
funcargs = {}
id = "hello"
class callspec2:
param = 1
funcargs = {}
id = "world"
session = testdir.Session(config)
f5 = pytest.Function(name="name", config=config,
callspec=callspec1, callobj=isinstance, session=session)
f5b = pytest.Function(name="name", config=config,
callspec=callspec2, callobj=isinstance, session=session)
assert f5 != f5b
assert not (f5 == f5b)
def test_pyfunc_call(self, testdir):
item = testdir.getitem("def test_func(): raise ValueError")
config = item.config
class MyPlugin1:
def pytest_pyfunc_call(self, pyfuncitem):
raise ValueError
class MyPlugin2:
def pytest_pyfunc_call(self, pyfuncitem):
return True
config.pluginmanager.register(MyPlugin1())
config.pluginmanager.register(MyPlugin2())
config.hook.pytest_pyfunc_call(pyfuncitem=item)
class TestSorting:
def test_check_equality(self, testdir):
modcol = testdir.getmodulecol("""
def test_pass(): pass
def test_fail(): assert 0
""")
fn1 = testdir.collect_by_name(modcol, "test_pass")
assert isinstance(fn1, pytest.Function)
fn2 = testdir.collect_by_name(modcol, "test_pass")
assert isinstance(fn2, pytest.Function)
assert fn1 == fn2
assert fn1 != modcol
if py.std.sys.version_info < (3, 0):
assert cmp(fn1, fn2) == 0
assert hash(fn1) == hash(fn2)
fn3 = testdir.collect_by_name(modcol, "test_fail")
assert isinstance(fn3, pytest.Function)
assert not (fn1 == fn3)
assert fn1 != fn3
for fn in fn1,fn2,fn3:
assert fn != 3
assert fn != modcol
assert fn != [1,2,3]
assert [1,2,3] != fn
assert modcol != fn
def test_allow_sane_sorting_for_decorators(self, testdir):
modcol = testdir.getmodulecol("""
def dec(f):
g = lambda: f(2)
g.place_as = f
return g
def test_b(y):
pass
test_b = dec(test_b)
def test_a(y):
pass
test_a = dec(test_a)
""")
colitems = modcol.collect()
assert len(colitems) == 2
assert [item.name for item in colitems] == ['test_b', 'test_a']
class TestConftestCustomization:
def test_pytest_pycollect_module(self, testdir):
testdir.makeconftest("""
import pytest
class MyModule(pytest.Module):
pass
def pytest_pycollect_makemodule(path, parent):
if path.basename == "test_xyz.py":
return MyModule(path, parent)
""")
testdir.makepyfile("def test_some(): pass")
testdir.makepyfile(test_xyz="def test_func(): pass")
result = testdir.runpytest("--collectonly")
result.stdout.fnmatch_lines([
"*<Module*test_pytest*",
"*<MyModule*xyz*",
])
def test_pytest_pycollect_makeitem(self, testdir):
testdir.makeconftest("""
import pytest
class MyFunction(pytest.Function):
pass
def pytest_pycollect_makeitem(collector, name, obj):
if name == "some":
return MyFunction(name, collector)
""")
testdir.makepyfile("def some(): pass")
result = testdir.runpytest("--collectonly")
result.stdout.fnmatch_lines([
"*MyFunction*some*",
])
def test_makeitem_non_underscore(self, testdir, monkeypatch):
modcol = testdir.getmodulecol("def _hello(): pass")
l = []
monkeypatch.setattr(pytest.Module, 'makeitem',
lambda self, name, obj: l.append(name))
l = modcol.collect()
assert '_hello' not in l
def test_setup_only_available_in_subdir(testdir):
sub1 = testdir.mkpydir("sub1")
sub2 = testdir.mkpydir("sub2")
sub1.join("conftest.py").write(py.code.Source("""
import pytest
def pytest_runtest_setup(item):
assert item.fspath.purebasename == "test_in_sub1"
def pytest_runtest_call(item):
assert item.fspath.purebasename == "test_in_sub1"
def pytest_runtest_teardown(item):
assert item.fspath.purebasename == "test_in_sub1"
"""))
sub2.join("conftest.py").write(py.code.Source("""
import pytest
def pytest_runtest_setup(item):
assert item.fspath.purebasename == "test_in_sub2"
def pytest_runtest_call(item):
assert item.fspath.purebasename == "test_in_sub2"
def pytest_runtest_teardown(item):
assert item.fspath.purebasename == "test_in_sub2"
"""))
sub1.join("test_in_sub1.py").write("def test_1(): pass")
sub2.join("test_in_sub2.py").write("def test_2(): pass")
result = testdir.runpytest("-v", "-s")
result.stdout.fnmatch_lines([
"*2 passed*"
])
def test_generate_tests_only_done_in_subdir(testdir):
sub1 = testdir.mkpydir("sub1")
sub2 = testdir.mkpydir("sub2")
sub1.join("conftest.py").write(py.code.Source("""
def pytest_generate_tests(metafunc):
assert metafunc.function.__name__ == "test_1"
"""))
sub2.join("conftest.py").write(py.code.Source("""
def pytest_generate_tests(metafunc):
assert metafunc.function.__name__ == "test_2"
"""))
sub1.join("test_in_sub1.py").write("def test_1(): pass")
sub2.join("test_in_sub2.py").write("def test_2(): pass")
result = testdir.runpytest("-v", "-s", sub1, sub2, sub1)
result.stdout.fnmatch_lines([
"*3 passed*"
])
def test_modulecol_roundtrip(testdir):
modcol = testdir.getmodulecol("pass", withinit=True)
trail = modcol.nodeid
newcol = modcol.session.perform_collect([trail], genitems=0)[0]
assert modcol.name == newcol.name
class TestTracebackCutting:
def test_skip_simple(self):
excinfo = pytest.raises(pytest.skip.Exception, 'pytest.skip("xxx")')
assert excinfo.traceback[-1].frame.code.name == "skip"
assert excinfo.traceback[-1].ishidden()
def test_traceback_argsetup(self, testdir):
testdir.makeconftest("""
def pytest_funcarg__hello(request):
raise ValueError("xyz")
""")
p = testdir.makepyfile("def test(hello): pass")
result = testdir.runpytest(p)
assert result.ret != 0
out = result.stdout.str()
assert out.find("xyz") != -1
assert out.find("conftest.py:2: ValueError") != -1
numentries = out.count("_ _ _") # separator for traceback entries
assert numentries == 0
result = testdir.runpytest("--fulltrace", p)
out = result.stdout.str()
assert out.find("conftest.py:2: ValueError") != -1
numentries = out.count("_ _ _ _") # separator for traceback entries
assert numentries >3
def test_traceback_error_during_import(self, testdir):
testdir.makepyfile("""
x = 1
x = 2
x = 17
asd
""")
result = testdir.runpytest()
assert result.ret != 0
out = result.stdout.str()
assert "x = 1" not in out
assert "x = 2" not in out
result.stdout.fnmatch_lines([
">*asd*",
"E*NameError*",
])
result = testdir.runpytest("--fulltrace")
out = result.stdout.str()
assert "x = 1" in out
assert "x = 2" in out
result.stdout.fnmatch_lines([
">*asd*",
"E*NameError*",
])
def test_getfuncargnames():
def f(): pass
assert not funcargs.getfuncargnames(f)
def g(arg): pass
assert funcargs.getfuncargnames(g) == ['arg']
def h(arg1, arg2="hello"): pass
assert funcargs.getfuncargnames(h) == ['arg1']
def h(arg1, arg2, arg3="hello"): pass
assert funcargs.getfuncargnames(h) == ['arg1', 'arg2']
class A:
def f(self, arg1, arg2="hello"):
pass
assert funcargs.getfuncargnames(A().f) == ['arg1']
if sys.version_info < (3,0):
assert funcargs.getfuncargnames(A.f) == ['arg1']
def test_callspec_repr():
cs = funcargs.CallSpec({}, 'hello', 1)
repr(cs)
cs = funcargs.CallSpec({}, 'hello', funcargs._notexists)
repr(cs)
class TestFillFuncArgs:
def test_fillfuncargs_exposed(self):
# used by oejskit
assert pytest._fillfuncargs == funcargs.fillfuncargs
def test_funcarg_lookupfails(self, testdir):
testdir.makeconftest("""
def pytest_funcarg__xyzsomething(request):
return 42
""")
item = testdir.getitem("def test_func(some): pass")
exc = pytest.raises(funcargs.FuncargRequest.LookupError,
"funcargs.fillfuncargs(item)")
s = str(exc.value)
assert s.find("xyzsomething") != -1
def test_funcarg_lookup_default(self, testdir):
item = testdir.getitem("def test_func(some, other=42): pass")
class Provider:
def pytest_funcarg__some(self, request):
return request.function.__name__
item.config.pluginmanager.register(Provider())
funcargs.fillfuncargs(item)
assert len(item.funcargs) == 1
def test_funcarg_basic(self, testdir):
item = testdir.getitem("def test_func(some, other): pass")
class Provider:
def pytest_funcarg__some(self, request):
return request.function.__name__
def pytest_funcarg__other(self, request):
return 42
item.config.pluginmanager.register(Provider())
funcargs.fillfuncargs(item)
assert len(item.funcargs) == 2
assert item.funcargs['some'] == "test_func"
assert item.funcargs['other'] == 42
def test_funcarg_lookup_modulelevel(self, testdir):
modcol = testdir.getmodulecol("""
def pytest_funcarg__something(request):
return request.function.__name__
class TestClass:
def test_method(self, something):
pass
def test_func(something):
pass
""")
item1, item2 = testdir.genitems([modcol])
funcargs.fillfuncargs(item1)
assert item1.funcargs['something'] == "test_method"
funcargs.fillfuncargs(item2)
assert item2.funcargs['something'] == "test_func"
def test_funcarg_lookup_classlevel(self, testdir):
p = testdir.makepyfile("""
class TestClass:
def pytest_funcarg__something(self, request):
return request.instance
def test_method(self, something):
assert something is self
""")
result = testdir.runpytest(p)
result.stdout.fnmatch_lines([
"*1 passed*"
])
def test_fillfuncargs_exposed(self, testdir):
item = testdir.getitem("def test_func(some, other=42): pass")
class Provider:
def pytest_funcarg__some(self, request):
return request.function.__name__
item.config.pluginmanager.register(Provider())
if hasattr(item, '_args'):
del item._args
from _pytest.python import fillfuncargs
fillfuncargs(item)
assert len(item.funcargs) == 1
class TestRequest:
def test_request_attributes(self, testdir):
item = testdir.getitem("""
def pytest_funcarg__something(request): pass
def test_func(something): pass
""")
req = funcargs.FuncargRequest(item)
assert req.function == item.obj
assert req.keywords is item.keywords
assert hasattr(req.module, 'test_func')
assert req.cls is None
assert req.function.__name__ == "test_func"
assert req.config == item.config
assert repr(req).find(req.function.__name__) != -1
def test_request_attributes_method(self, testdir):
item, = testdir.getitems("""
class TestB:
def test_func(self, something):
pass
""")
req = funcargs.FuncargRequest(item)
assert req.cls.__name__ == "TestB"
assert req.instance.__class__ == req.cls
def XXXtest_request_contains_funcarg_name2factory(self, testdir):
modcol = testdir.getmodulecol("""
def pytest_funcarg__something(request):
pass
class TestClass:
def test_method(self, something):
pass
""")
item1, = testdir.genitems([modcol])
assert item1.name == "test_method"
name2factory = funcargs.FuncargRequest(item1)._name2factory
assert len(name2factory) == 1
assert name2factory[0].__name__ == "pytest_funcarg__something"
def test_getfuncargvalue_recursive(self, testdir):
testdir.makeconftest("""
def pytest_funcarg__something(request):
return 1
""")
item = testdir.getitem("""
def pytest_funcarg__something(request):
return request.getfuncargvalue("something") + 1
def test_func(something):
assert something == 2
""")
req = funcargs.FuncargRequest(item)
val = req.getfuncargvalue("something")
assert val == 2
def test_getfuncargvalue(self, testdir):
item = testdir.getitem("""
l = [2]
def pytest_funcarg__something(request): return 1
def pytest_funcarg__other(request):
return l.pop()
def test_func(something): pass
""")
req = funcargs.FuncargRequest(item)
pytest.raises(req.LookupError, req.getfuncargvalue, "notexists")
val = req.getfuncargvalue("something")
assert val == 1
val = req.getfuncargvalue("something")
assert val == 1
val2 = req.getfuncargvalue("other")
assert val2 == 2
val2 = req.getfuncargvalue("other") # see about caching
assert val2 == 2
req._fillfuncargs()
assert item.funcargs == {'something': 1}
def test_request_addfinalizer(self, testdir):
item = testdir.getitem("""
teardownlist = []
def pytest_funcarg__something(request):
request.addfinalizer(lambda: teardownlist.append(1))
def test_func(something): pass
""")
req = funcargs.FuncargRequest(item)
req._pyfuncitem.session._setupstate.prepare(item) # XXX
req._fillfuncargs()
# successively check finalization calls
teardownlist = item.getparent(pytest.Module).obj.teardownlist
ss = item.session._setupstate
assert not teardownlist
ss.teardown_exact(item)
print(ss.stack)
assert teardownlist == [1]
def test_request_addfinalizer_partial_setup_failure(self, testdir):
p = testdir.makepyfile("""
l = []
def pytest_funcarg__something(request):
request.addfinalizer(lambda: l.append(None))
def test_func(something, missingarg):
pass
def test_second():
assert len(l) == 1
""")
result = testdir.runpytest(p)
result.stdout.fnmatch_lines([
"*1 passed*1 error*"
])
def test_request_getmodulepath(self, testdir):
modcol = testdir.getmodulecol("def test_somefunc(): pass")
item, = testdir.genitems([modcol])
req = funcargs.FuncargRequest(item)
assert req.fspath == modcol.fspath
def test_applymarker(testdir):
item1,item2 = testdir.getitems("""
class TestClass:
def test_func1(self, something):
pass
def test_func2(self, something):
pass
""")
req1 = funcargs.FuncargRequest(item1)
assert 'xfail' not in item1.keywords
req1.applymarker(pytest.mark.xfail)
assert 'xfail' in item1.keywords
assert 'skipif' not in item1.keywords
req1.applymarker(pytest.mark.skipif)
assert 'skipif' in item1.keywords
pytest.raises(ValueError, "req1.applymarker(42)")
class TestRequestCachedSetup:
def test_request_cachedsetup(self, testdir):
item1,item2 = testdir.getitems("""
def test_func1(self, something):
pass
class TestClass:
def test_func2(self, something):
pass
""")
req1 = funcargs.FuncargRequest(item1)
l = ["hello"]
def setup():
return l.pop()
# cached_setup's scope defaults to 'module'
ret1 = req1.cached_setup(setup)
assert ret1 == "hello"
ret1b = req1.cached_setup(setup)
assert ret1 == ret1b
req2 = funcargs.FuncargRequest(item2)
ret2 = req2.cached_setup(setup)
assert ret2 == ret1
def test_request_cachedsetup_class(self, testdir):
item1, item2, item3, item4 = testdir.getitems("""
def test_func1(self, something):
pass
def test_func2(self, something):
pass
class TestClass:
def test_func1a(self, something):
pass
def test_func2b(self, something):
pass
""")
req1 = funcargs.FuncargRequest(item2)
l = ["hello2", "hello"]
def setup():
return l.pop()
# module level functions setup with scope=class
# automatically turn "class" to "module" scope
ret1 = req1.cached_setup(setup, scope="class")
assert ret1 == "hello"
req2 = funcargs.FuncargRequest(item2)
ret2 = req2.cached_setup(setup, scope="class")
assert ret2 == "hello"
req3 = funcargs.FuncargRequest(item3)
ret3a = req3.cached_setup(setup, scope="class")
ret3b = req3.cached_setup(setup, scope="class")
assert ret3a == ret3b == "hello2"
req4 = funcargs.FuncargRequest(item4)
ret4 = req4.cached_setup(setup, scope="class")
assert ret4 == ret3a
def test_request_cachedsetup_extrakey(self, testdir):
item1 = testdir.getitem("def test_func(): pass")
req1 = funcargs.FuncargRequest(item1)
l = ["hello", "world"]
def setup():
return l.pop()
ret1 = req1.cached_setup(setup, extrakey=1)
ret2 = req1.cached_setup(setup, extrakey=2)
assert ret2 == "hello"
assert ret1 == "world"
ret1b = req1.cached_setup(setup, extrakey=1)
ret2b = req1.cached_setup(setup, extrakey=2)
assert ret1 == ret1b
assert ret2 == ret2b
def test_request_cachedsetup_cache_deletion(self, testdir):
item1 = testdir.getitem("def test_func(): pass")
req1 = funcargs.FuncargRequest(item1)
l = []
def setup():
l.append("setup")
def teardown(val):
l.append("teardown")
ret1 = req1.cached_setup(setup, teardown, scope="function")
assert l == ['setup']
# artificial call of finalizer
req1._pyfuncitem.session._setupstate._callfinalizers(item1)
assert l == ["setup", "teardown"]
ret2 = req1.cached_setup(setup, teardown, scope="function")
assert l == ["setup", "teardown", "setup"]
req1._pyfuncitem.session._setupstate._callfinalizers(item1)
assert l == ["setup", "teardown", "setup", "teardown"]
def test_request_cached_setup_two_args(self, testdir):
testdir.makepyfile("""
def pytest_funcarg__arg1(request):
return request.cached_setup(lambda: 42)
def pytest_funcarg__arg2(request):
return request.cached_setup(lambda: 17)
def test_two_different_setups(arg1, arg2):
assert arg1 != arg2
""")
result = testdir.runpytest("-v")
result.stdout.fnmatch_lines([
"*1 passed*"
])
def test_request_cached_setup_getfuncargvalue(self, testdir):
testdir.makepyfile("""
def pytest_funcarg__arg1(request):
arg1 = request.getfuncargvalue("arg2")
return request.cached_setup(lambda: arg1 + 1)
def pytest_funcarg__arg2(request):
return request.cached_setup(lambda: 10)
def test_two_funcarg(arg1):
assert arg1 == 11
""")
result = testdir.runpytest("-v")
result.stdout.fnmatch_lines([
"*1 passed*"
])
def test_request_cached_setup_functional(self, testdir):
testdir.makepyfile(test_0="""
l = []
def pytest_funcarg__something(request):
val = request.cached_setup(fsetup, fteardown)
return val
def fsetup(mycache=[1]):
l.append(mycache.pop())
return l
def fteardown(something):
l.remove(something[0])
l.append(2)
def test_list_once(something):
assert something == [1]
def test_list_twice(something):
assert something == [1]
""")
testdir.makepyfile(test_1="""
import test_0 # should have run already
def test_check_test0_has_teardown_correct():
assert test_0.l == [2]
""")
result = testdir.runpytest("-v")
result.stdout.fnmatch_lines([
"*3 passed*"
])
class TestMetafunc:
def test_no_funcargs(self, testdir):
def function(): pass
metafunc = funcargs.Metafunc(function)
assert not metafunc.funcargnames
def test_function_basic(self):
def func(arg1, arg2="qwe"): pass
metafunc = funcargs.Metafunc(func)
assert len(metafunc.funcargnames) == 1
assert 'arg1' in metafunc.funcargnames
assert metafunc.function is func
assert metafunc.cls is None
def test_addcall_no_args(self):
def func(arg1): pass
metafunc = funcargs.Metafunc(func)
metafunc.addcall()
assert len(metafunc._calls) == 1
call = metafunc._calls[0]
assert call.id == "0"
assert not hasattr(call, 'param')
def test_addcall_id(self):
def func(arg1): pass
metafunc = funcargs.Metafunc(func)
pytest.raises(ValueError, "metafunc.addcall(id=None)")
metafunc.addcall(id=1)
pytest.raises(ValueError, "metafunc.addcall(id=1)")
pytest.raises(ValueError, "metafunc.addcall(id='1')")
metafunc.addcall(id=2)
assert len(metafunc._calls) == 2
assert metafunc._calls[0].id == "1"
assert metafunc._calls[1].id == "2"
def test_addcall_param(self):
def func(arg1): pass
metafunc = funcargs.Metafunc(func)
class obj: pass
metafunc.addcall(param=obj)
metafunc.addcall(param=obj)
metafunc.addcall(param=1)
assert len(metafunc._calls) == 3
assert metafunc._calls[0].param == obj
assert metafunc._calls[1].param == obj
assert metafunc._calls[2].param == 1
def test_addcall_funcargs(self):
def func(x): pass
metafunc = funcargs.Metafunc(func)
class obj: pass
metafunc.addcall(funcargs={"x": 2})
metafunc.addcall(funcargs={"x": 3})
pytest.raises(pytest.fail.Exception, "metafunc.addcall({'xyz': 0})")
assert len(metafunc._calls) == 2
assert metafunc._calls[0].funcargs == {'x': 2}
assert metafunc._calls[1].funcargs == {'x': 3}
assert not hasattr(metafunc._calls[1], 'param')
class TestGenfuncFunctional:
def test_attributes(self, testdir):
p = testdir.makepyfile("""
# assumes that generate/provide runs in the same process
import py, pytest
def pytest_generate_tests(metafunc):
metafunc.addcall(param=metafunc)
def pytest_funcarg__metafunc(request):
assert request._pyfuncitem._genid == "0"
return request.param
def test_function(metafunc, pytestconfig):
assert metafunc.config == pytestconfig
assert metafunc.module.__name__ == __name__
assert metafunc.function == test_function
assert metafunc.cls is None
class TestClass:
def test_method(self, metafunc, pytestconfig):
assert metafunc.config == pytestconfig
assert metafunc.module.__name__ == __name__
if py.std.sys.version_info > (3, 0):
unbound = TestClass.test_method
else:
unbound = TestClass.test_method.im_func
# XXX actually have an unbound test function here?
assert metafunc.function == unbound
assert metafunc.cls == TestClass
""")
result = testdir.runpytest(p, "-v")
result.stdout.fnmatch_lines([
"*2 passed in*",
])
def test_addcall_with_two_funcargs_generators(self, testdir):
testdir.makeconftest("""
def pytest_generate_tests(metafunc):
assert "arg1" in metafunc.funcargnames
metafunc.addcall(funcargs=dict(arg1=1, arg2=2))
""")
p = testdir.makepyfile("""
def pytest_generate_tests(metafunc):
metafunc.addcall(funcargs=dict(arg1=1, arg2=1))
class TestClass:
def test_myfunc(self, arg1, arg2):
assert arg1 == arg2
""")
result = testdir.runpytest("-v", p)
result.stdout.fnmatch_lines([
"*test_myfunc*0*PASS*",
"*test_myfunc*1*FAIL*",
"*1 failed, 1 passed*"
])
def test_two_functions(self, testdir):
p = testdir.makepyfile("""
def pytest_generate_tests(metafunc):
metafunc.addcall(param=10)
metafunc.addcall(param=20)
def pytest_funcarg__arg1(request):
return request.param
def test_func1(arg1):
assert arg1 == 10
def test_func2(arg1):
assert arg1 in (10, 20)
""")
result = testdir.runpytest("-v", p)
result.stdout.fnmatch_lines([
"*test_func1*0*PASS*",
"*test_func1*1*FAIL*",
"*test_func2*PASS*",
"*1 failed, 3 passed*"
])
def test_noself_in_method(self, testdir):
p = testdir.makepyfile("""
def pytest_generate_tests(metafunc):
assert 'xyz' not in metafunc.funcargnames
class TestHello:
def test_hello(xyz):
pass
""")
result = testdir.runpytest(p)
result.stdout.fnmatch_lines([
"*1 pass*",
])
def test_generate_plugin_and_module(self, testdir):
testdir.makeconftest("""
def pytest_generate_tests(metafunc):
assert "arg1" in metafunc.funcargnames
metafunc.addcall(id="world", param=(2,100))
""")
p = testdir.makepyfile("""
def pytest_generate_tests(metafunc):
metafunc.addcall(param=(1,1), id="hello")
def pytest_funcarg__arg1(request):
return request.param[0]
def pytest_funcarg__arg2(request):
return request.param[1]
class TestClass:
def test_myfunc(self, arg1, arg2):
assert arg1 == arg2
""")
result = testdir.runpytest("-v", p)
result.stdout.fnmatch_lines([
"*test_myfunc*hello*PASS*",
"*test_myfunc*world*FAIL*",
"*1 failed, 1 passed*"
])
def test_generate_tests_in_class(self, testdir):
p = testdir.makepyfile("""
class TestClass:
def pytest_generate_tests(self, metafunc):
metafunc.addcall(funcargs={'hello': 'world'}, id="hello")
def test_myfunc(self, hello):
assert hello == "world"
""")
result = testdir.runpytest("-v", p)
result.stdout.fnmatch_lines([
"*test_myfunc*hello*PASS*",
"*1 passed*"
])
def test_two_functions_not_same_instance(self, testdir):
p = testdir.makepyfile("""
def pytest_generate_tests(metafunc):
metafunc.addcall({'arg1': 10})
metafunc.addcall({'arg1': 20})
class TestClass:
def test_func(self, arg1):
assert not hasattr(self, 'x')
self.x = 1
""")
result = testdir.runpytest("-v", p)
result.stdout.fnmatch_lines([
"*test_func*0*PASS*",
"*test_func*1*PASS*",
"*2 pass*",
])
def test_issue28_setup_method_in_generate_tests(self, testdir):
p = testdir.makepyfile("""
def pytest_generate_tests(metafunc):
metafunc.addcall({'arg1': 1})
class TestClass:
def test_method(self, arg1):
assert arg1 == self.val
def setup_method(self, func):
self.val = 1
""")
result = testdir.runpytest(p)
result.stdout.fnmatch_lines([
"*1 pass*",
])
def test_conftest_funcargs_only_available_in_subdir(testdir):
sub1 = testdir.mkpydir("sub1")
sub2 = testdir.mkpydir("sub2")
sub1.join("conftest.py").write(py.code.Source("""
import pytest
def pytest_funcarg__arg1(request):
pytest.raises(Exception, "request.getfuncargvalue('arg2')")
"""))
sub2.join("conftest.py").write(py.code.Source("""
import pytest
def pytest_funcarg__arg2(request):
pytest.raises(Exception, "request.getfuncargvalue('arg1')")
"""))
sub1.join("test_in_sub1.py").write("def test_1(arg1): pass")
sub2.join("test_in_sub2.py").write("def test_2(arg2): pass")
result = testdir.runpytest("-v")
result.stdout.fnmatch_lines([
"*2 passed*"
])
def test_funcarg_non_pycollectobj(testdir): # rough jstests usage
testdir.makeconftest("""
import pytest
def pytest_pycollect_makeitem(collector, name, obj):
if name == "MyClass":
return MyCollector(name, parent=collector)
class MyCollector(pytest.Collector):
def reportinfo(self):
return self.fspath, 3, "xyz"
""")
modcol = testdir.getmodulecol("""
def pytest_funcarg__arg1(request):
return 42
class MyClass:
pass
""")
clscol = modcol.collect()[0]
clscol.obj = lambda arg1: None
clscol.funcargs = {}
funcargs.fillfuncargs(clscol)
assert clscol.funcargs['arg1'] == 42
def test_funcarg_lookup_error(testdir):
p = testdir.makepyfile("""
def test_lookup_error(unknown):
pass
""")
result = testdir.runpytest()
result.stdout.fnmatch_lines([
"*ERROR at setup of test_lookup_error*",
"*def test_lookup_error(unknown):*",
"*LookupError: no factory found*unknown*",
"*available funcargs*",
"*1 error*",
])
assert "INTERNAL" not in result.stdout.str()
class TestReportInfo:
def test_itemreport_reportinfo(self, testdir, linecomp):
testdir.makeconftest("""
import pytest
class MyFunction(pytest.Function):
def reportinfo(self):
return "ABCDE", 42, "custom"
def pytest_pycollect_makeitem(collector, name, obj):
if name == "test_func":
return MyFunction(name, parent=collector)
""")
item = testdir.getitem("def test_func(): pass")
runner = item.config.pluginmanager.getplugin("runner")
assert item.location == ("ABCDE", 42, "custom")
def test_func_reportinfo(self, testdir):
item = testdir.getitem("def test_func(): pass")
fspath, lineno, modpath = item.reportinfo()
assert fspath == item.fspath
assert lineno == 0
assert modpath == "test_func"
def test_class_reportinfo(self, testdir):
modcol = testdir.getmodulecol("""
# lineno 0
class TestClass:
def test_hello(self): pass
""")
classcol = testdir.collect_by_name(modcol, "TestClass")
fspath, lineno, msg = classcol.reportinfo()
assert fspath == modcol.fspath
assert lineno == 1
assert msg == "TestClass"
def test_generator_reportinfo(self, testdir):
modcol = testdir.getmodulecol("""
# lineno 0
def test_gen():
def check(x):
assert x
yield check, 3
""")
gencol = testdir.collect_by_name(modcol, "test_gen")
fspath, lineno, modpath = gencol.reportinfo()
assert fspath == modcol.fspath
assert lineno == 1
assert modpath == "test_gen"
genitem = gencol.collect()[0]
fspath, lineno, modpath = genitem.reportinfo()
assert fspath == modcol.fspath
assert lineno == 2
assert modpath == "test_gen[0]"
"""
def test_func():
pass
def test_genfunc():
def check(x):
pass
yield check, 3
class TestClass:
def test_method(self):
pass
"""
def test_show_funcarg(testdir):
result = testdir.runpytest("--funcargs")
result.stdout.fnmatch_lines([
"*tmpdir*",
"*temporary directory*",
]
)
class TestRaises:
def test_raises(self):
source = "int('qwe')"
excinfo = pytest.raises(ValueError, source)
code = excinfo.traceback[-1].frame.code
s = str(code.fullsource)
assert s == source
def test_raises_exec(self):
pytest.raises(ValueError, "a,x = []")
def test_raises_syntax_error(self):
pytest.raises(SyntaxError, "qwe qwe qwe")
def test_raises_function(self):
pytest.raises(ValueError, int, 'hello')
def test_raises_callable_no_exception(self):
class A:
def __call__(self):
pass
try:
pytest.raises(ValueError, A())
except pytest.raises.Exception:
pass
@pytest.mark.skipif('sys.version < "2.5"')
def test_raises_as_contextmanager(self, testdir):
testdir.makepyfile("""
from __future__ import with_statement
import py, pytest
def test_simple():
with pytest.raises(ZeroDivisionError) as excinfo:
assert isinstance(excinfo, py.code.ExceptionInfo)
1/0
print (excinfo)
assert excinfo.type == ZeroDivisionError
def test_noraise():
with pytest.raises(pytest.raises.Exception):
with pytest.raises(ValueError):
int()
def test_raise_wrong_exception_passes_by():
with pytest.raises(ZeroDivisionError):
with pytest.raises(ValueError):
1/0
""")
result = testdir.runpytest()
result.stdout.fnmatch_lines([
'*3 passed*',
])
def test_customized_python_discovery(testdir):
testdir.makeini("""
[pytest]
python_files=check_*.py
python_classes=Check
python_functions=check
""")
p = testdir.makepyfile("""
def check_simple():
pass
class CheckMyApp:
def check_meth(self):
pass
""")
p2 = p.new(basename=p.basename.replace("test", "check"))
p.move(p2)
result = testdir.runpytest("--collectonly", "-s")
result.stdout.fnmatch_lines([
"*check_customized*",
"*check_simple*",
"*CheckMyApp*",
"*check_meth*",
])
result = testdir.runpytest()
assert result.ret == 0
result.stdout.fnmatch_lines([
"*2 passed*",
])
def test_collector_attributes(testdir):
testdir.makeconftest("""
import pytest
def pytest_pycollect_makeitem(collector):
assert collector.Function == pytest.Function
assert collector.Class == pytest.Class
assert collector.Instance == pytest.Instance
assert collector.Module == pytest.Module
""")
testdir.makepyfile("""
def test_hello():
pass
""")
result = testdir.runpytest()
result.stdout.fnmatch_lines([
"*1 passed*",
])
def test_customize_through_attributes(testdir):
testdir.makeconftest("""
import pytest
class MyFunction(pytest.Function):
pass
class MyInstance(pytest.Instance):
Function = MyFunction
class MyClass(pytest.Class):
Instance = MyInstance
def pytest_pycollect_makeitem(collector, name, obj):
if name.startswith("MyTestClass"):
return MyClass(name, parent=collector)
""")
testdir.makepyfile("""
class MyTestClass:
def test_hello(self):
pass
""")
result = testdir.runpytest("--collectonly")
result.stdout.fnmatch_lines([
"*MyClass*",
"*MyInstance*",
"*MyFunction*test_hello*",
])