def test_di_unresolvable(self):
fixtures = dict(a=lambda b: b, )
request = Request(scope='function', parent=None)
try:
dependency_injection_and_execute(lambda a: a,
fixtures, {},
request=request)
assert False, 'Did not raise'
except TypeError as e:
assert 'missing 1 required positional argument' in str(e)
def test_di_unresolvable(self):
fixtures = dict(
a=lambda b: b,
)
request = Request(scope='function', parent=None)
try:
dependency_injection_and_execute(lambda a: a, fixtures, {}, request=request)
assert False, 'Did not raise'
except FixturesUnresolvableException as e:
assert str(e) == '''Could not resolve fixtures any more, have {'a': {'b'}} left.
def test_dependency_injection_simple(self):
fixtures = dict(foo=lambda: 3, )
request = Request(scope='function', parent=None)
assert dependency_injection_and_execute(lambda foo: foo,
fixtures, {},
request=request) == 3
def test_di_graph(self):
fixtures = dict(
bar=lambda foo: 1 + foo,
foo=lambda: 3,
baz=lambda foo, bar: foo + bar,
)
request = Request(scope='function', parent=None)
assert dependency_injection_and_execute(lambda foo, bar, baz: (foo, bar, baz), fixtures, {}, request=request) == (3, 4, 7)
def test_auto_use_is_called_but_not_passed(self):
assert 'foo' not in fixtures
@fixture(autouse=True)
def foo():
return 3
request = Request(scope='function', parent=None)
assert dependency_injection_and_execute(lambda: 7,
fixtures, {},
request=request) == 7
def test_di_does_not_call_unneeded_fixture(self):
def crash():
assert False
fixtures = dict(
crash=crash,
foo=lambda: 3,
)
request = Request(scope='function', parent=None)
assert dependency_injection_and_execute(lambda foo: foo, fixtures, {}, request=request) == 3