def test_no_change():
generalized_route = Route(FAKE_VIEW, FAKE_ROUTE_NAME, FAKE_SUB_ROUTES)
specialized_route = generalized_route.create_specialization()
eq_(FAKE_ROUTE_NAME, specialized_route.name)
eq_(FAKE_VIEW, specialized_route.view)
eq_(FAKE_SUB_ROUTES, tuple(specialized_route.sub_routes))
def test_no_change(self):
generalized_route = Route(FAKE_VIEW, FAKE_ROUTE_NAME)
intermediate_route = generalized_route.create_specialization()
specialized_route = intermediate_route.create_specialization()
eq_(FAKE_ROUTE_NAME, specialized_route.name)
eq_(FAKE_VIEW, specialized_route.view)
def test_specialization_vs_non_specialization(self):
generalized_route = Route(None, FAKE_ROUTE_NAME, FAKE_SUB_ROUTES)
specialized_route = generalized_route.create_specialization()
route = Route(None, FAKE_ROUTE_NAME, FAKE_SUB_ROUTES)
assert_non_equivalent(specialized_route, route)
def test_getting_additional_sub_route_by_name(self):
sub_route = Route(FAKE_VIEW, FAKE_ROUTE_NAME)
generalized_route = Route(None, None, [sub_route])
specialized_route = generalized_route.create_specialization()
retrieved_route = specialized_route.get_route_by_name(FAKE_ROUTE_NAME)
eq_(sub_route, retrieved_route)
def test_previously_unset(self):
generalized_route = Route(None, FAKE_ROUTE_NAME)
view = object()
specialized_route = generalized_route.create_specialization(view=view)
eq_(view, specialized_route.view)
def test_existing_direct_sub_route(self):
sub_route_name = 'sub_route_1'
sub_route = Route(FAKE_VIEW, sub_route_name)
route = Route(FAKE_VIEW, FAKE_ROUTE_NAME, [sub_route])
retrieved_route = route.get_route_by_name(sub_route_name)
eq_(sub_route, retrieved_route)
def test_previously_set(self):
generalized_route = Route(FAKE_VIEW, FAKE_ROUTE_NAME)
overridden_view = object()
specialized_route = \
generalized_route.create_specialization(view=overridden_view)
eq_(overridden_view, specialized_route.view)
def test_getting_specialized_sub_route_by_name(self):
generalized_route = Route(None, FAKE_ROUTE_NAME)
specialized_route = generalized_route.create_specialization(
specialized_sub_routes=[]
)
retrieved_route = specialized_route.get_route_by_name(FAKE_ROUTE_NAME)
eq_(specialized_route, retrieved_route)
def test_sub_route_specializing_current_route(self):
generalized_route = Route(None, FAKE_ROUTE_NAME)
sub_route = generalized_route.create_specialization()
with assert_raises_substring(DuplicatedRouteError, FAKE_ROUTE_NAME):
generalized_route.create_specialization(
specialized_sub_routes=[sub_route],
)
def test_sub_route_collection_against_non_sub_route_collection(self):
generalized_route = Route(
FAKE_VIEW,
FAKE_ROUTE_NAME,
FAKE_SUB_ROUTES,
)
specialized_route = generalized_route.create_specialization()
assert_non_equivalent(specialized_route.sub_routes, None)
def test_non_existing_sub_route(self):
sub_route = Route(FAKE_VIEW, 'sub_route_1')
route = Route(FAKE_VIEW, FAKE_ROUTE_NAME, [sub_route])
non_existing_route_name = 'non_existing'
with assert_raises_substring(
NonExistingRouteError,
non_existing_route_name,
):
route.get_route_by_name(non_existing_route_name)
def test_repr():
generalized_route = Route(FAKE_VIEW, FAKE_ROUTE_NAME, FAKE_SUB_ROUTES)
view = object()
specialized_route = generalized_route.create_specialization(view)
expected_repr = '<Specialization of {!r} with view {!r}>'.format(
generalized_route,
view,
)
eq_(expected_repr, repr(specialized_route))
def test_additional_duplicated_sub_route(self):
sub_route_1 = Route(None, FAKE_ROUTE_NAME)
generalized_route = Route(FAKE_VIEW, None, [sub_route_1])
intermediate_route = generalized_route.create_specialization()
sub_route_2 = Route(None, FAKE_ROUTE_NAME)
with assert_raises_substring(DuplicatedRouteError, FAKE_ROUTE_NAME):
intermediate_route.create_specialization(
additional_sub_routes=[sub_route_2],
)
def test_additional_sub_route(self):
generalized_route = Route(FAKE_VIEW, FAKE_ROUTE_NAME)
intermediate_route = generalized_route.create_specialization()
sub_route = Route(None, None)
specialized_route = intermediate_route.create_specialization(
additional_sub_routes=[sub_route],
)
eq_((sub_route,), tuple(specialized_route.sub_routes))
def test_sibling_specializations_with_same_attributes(self):
generalized_route = Route(
FAKE_VIEW,
FAKE_ROUTE_NAME,
FAKE_SUB_ROUTES,
)
specialized_route_1 = generalized_route.create_specialization()
specialized_route_2 = generalized_route.create_specialization()
assert_equivalent(specialized_route_1, specialized_route_2)
def test_length_with_additional_sub_routes(self):
generalized_route = \
Route(FAKE_VIEW, FAKE_ROUTE_NAME, FAKE_SUB_ROUTES)
additional_sub_routes = [Route(None, 'additional_sub_route')]
specialized_route = generalized_route.create_specialization(
additional_sub_routes=additional_sub_routes,
)
expected_length = len(FAKE_SUB_ROUTES) + len(additional_sub_routes)
eq_(expected_length, len(specialized_route.sub_routes))
def test_sub_route_duplicating_route_name(self):
duplicated_route_name = 'route_name'
generalized_route = Route(FAKE_VIEW, duplicated_route_name)
sub_route = Route(None, duplicated_route_name)
with assert_raises_substring(
DuplicatedRouteError,
duplicated_route_name,
):
generalized_route.create_specialization(
additional_sub_routes=[sub_route],
)
def test_sibling_specializations_with_different_attributes(self):
generalized_route = Route(
None,
FAKE_ROUTE_NAME,
FAKE_SUB_ROUTES,
)
specialized_route_1 = \
generalized_route.create_specialization(FAKE_VIEW)
specialized_route_2 = generalized_route.create_specialization()
assert_non_equivalent(specialized_route_1, specialized_route_2)
def test_specializing_sub_route(self):
generalized_sub_route = Route(FAKE_VIEW, FAKE_ROUTE_NAME)
generalized_route = Route(None, None, [generalized_sub_route])
intermediate_route = generalized_route.create_specialization()
specialized_sub_route = generalized_sub_route.create_specialization()
specialized_route = intermediate_route.create_specialization(
specialized_sub_routes=[specialized_sub_route],
)
eq_((specialized_sub_route,), tuple(specialized_route.sub_routes))
def test_uniquely_named_sub_routes(self):
generalized_route = Route(
FAKE_VIEW,
FAKE_ROUTE_NAME,
FAKE_SUB_ROUTES,
)
additional_route = Route(FAKE_VIEW, 'new_name')
specialized_route = generalized_route.create_specialization(
additional_sub_routes=[additional_route],
)
specialized_route_sub_routes = FAKE_SUB_ROUTES + (additional_route,)
eq_(specialized_route_sub_routes, tuple(specialized_route.sub_routes))
def test_non_existing_named_sub_route(self):
generalized_route = Route(None, None)
non_existing_sub_route_name = 'non_existing_route'
generalized_sub_route = Route(None, non_existing_sub_route_name)
specialized_sub_route = generalized_sub_route.create_specialization()
with assert_raises_substring(
InvalidSpecializationError,
non_existing_sub_route_name,
):
generalized_route.create_specialization(
specialized_sub_routes=[specialized_sub_route],
)
def test_sub_route_collection_against_different_sub_route_collection(self):
generalized_route = Route(
FAKE_VIEW,
FAKE_ROUTE_NAME,
FAKE_SUB_ROUTES,
)
specialized_route_1 = generalized_route.create_specialization()
specialized_route_2 = generalized_route.create_specialization(
additional_sub_routes=[Route(None, None)],
)
assert_non_equivalent(
specialized_route_1.sub_routes,
specialized_route_2.sub_routes,
)
def test_non_existing_unnamed_sub_route(self):
unnamed_sub_route = Route(None, None)
generalized_route = Route(None, None, [unnamed_sub_route])
unnamed_generalized_sub_route = Route(FAKE_VIEW, None)
unnamed_specialized_sub_route = \
unnamed_generalized_sub_route.create_specialization()
with assert_raises_substring(
InvalidSpecializationError,
repr(unnamed_generalized_sub_route),
):
generalized_route.create_specialization(
specialized_sub_routes=[unnamed_specialized_sub_route],
)
def test_specializations_from_equivalent_generalizations(self):
generalized_route_1 = Route(
None,
FAKE_ROUTE_NAME,
FAKE_SUB_ROUTES,
)
specialized_route_1 = generalized_route_1.create_specialization()
generalized_route_2 = Route(
None,
FAKE_ROUTE_NAME,
FAKE_SUB_ROUTES,
)
specialized_route_2 = generalized_route_2.create_specialization()
assert_equivalent(specialized_route_1, specialized_route_2)
def test_existing_unnamed_sub_routes(self):
generalized_sub_route = Route(FAKE_VIEW, None)
sub_route = Route(None, None)
generalized_route = Route(
None,
FAKE_ROUTE_NAME,
[generalized_sub_route, sub_route],
)
specialized_sub_route = generalized_sub_route.create_specialization()
specialized_route = generalized_route.create_specialization(
specialized_sub_routes=[specialized_sub_route],
)
# A second sub-route without name shouldn't override the first sub-route
eq_((specialized_sub_route, sub_route), tuple(specialized_route.sub_routes))
def test_sub_route_with_non_specialized_route(self):
sub_route_name = 'sub_route_name'
generalized_sub_route = Route(None, sub_route_name)
generalized_route = Route(
FAKE_VIEW,
FAKE_ROUTE_NAME,
[generalized_sub_route],
)
unspecialized_route = Route(None, sub_route_name)
with assert_raises_substring(
InvalidSpecializationError,
sub_route_name,
):
generalized_route.create_specialization(
specialized_sub_routes=[unspecialized_route],
)
def test_existing_named_sub_routes(self):
generalized_sub_route_name = 'sub_route_name'
generalized_sub_route = Route(None, generalized_sub_route_name)
generalized_route = Route(
FAKE_VIEW,
FAKE_ROUTE_NAME,
[generalized_sub_route],
)
specialized_sub_route = generalized_sub_route.create_specialization(
view=FAKE_VIEW,
)
specialized_route = generalized_route.create_specialization(
specialized_sub_routes=[specialized_sub_route],
)
eq_((specialized_sub_route,), tuple(specialized_route.sub_routes))
def test_sub_routes_with_duplicated_sub_route_names(self):
generalized_sub_route_1 = Route(None, 'sub_route_1')
generalized_sub_route_2 = Route(None, 'sub_route_2')
generalized_route = Route(
FAKE_VIEW,
None,
[generalized_sub_route_1, generalized_sub_route_2],
)
duplicated_sub_route_name = 'duplicated_sub_route_name'
specialized_sub_route_1 = generalized_sub_route_1.create_specialization(
additional_sub_routes=[Route(None, duplicated_sub_route_name)],
)
specialized_sub_route_2 = generalized_sub_route_2.create_specialization(
additional_sub_routes=[Route(None, duplicated_sub_route_name)],
)
with assert_raises_substring(
DuplicatedRouteError,
duplicated_sub_route_name,
):
generalized_route.create_specialization(
specialized_sub_routes=[
specialized_sub_route_1,
specialized_sub_route_2,
],
)
def test_specializing_with_invalid_sub_route(self):
"""
The same validation routines as in the single inheritance case should be
used.
"""
sub_route_1 = Route(None, FAKE_ROUTE_NAME)
generalized_route = Route(None, None, [sub_route_1])
intermediate_route = generalized_route.create_specialization()
sub_route_2 = Route(FAKE_VIEW, FAKE_ROUTE_NAME)
with assert_raises_substring(
InvalidSpecializationError,
FAKE_ROUTE_NAME
):
intermediate_route.create_specialization(
specialized_sub_routes=[sub_route_2.create_specialization()],
)
def test_adding_duplicate_sub_route_name(self):
generalized_sub_route = Route(None, FAKE_ROUTE_NAME)
generalized_route = Route(FAKE_VIEW, None, [generalized_sub_route])
duplicated_sub_route_name = 'duplicated_sub_route_name'
specialized_sub_route = generalized_sub_route.create_specialization(
additional_sub_routes=[Route(None, duplicated_sub_route_name)],
)
additional_sub_route = Route(None, duplicated_sub_route_name)
with assert_raises_substring(
DuplicatedRouteError,
duplicated_sub_route_name,
):
generalized_route.create_specialization(
additional_sub_routes=[additional_sub_route],
specialized_sub_routes=[specialized_sub_route],
)