def test_active_and_inactive_updates_two_subentities(self):
class TestEntity(crest.Entity):
sub = TestSubEntity()
sub2 = TestSubEntity()
inf = crest.Influence(source=sub.out1, target=sub.in1)
influence2 = crest.Influence(source=sub.out2, target=sub2.in1)
active = current = crest.State()
inactive = crest.State()
up_active = crest.Update(state=active,
target=sub.in2,
function=(lambda self, dt: 0))
up_inactive = crest.Update(state=inactive,
target=sub.in2,
function=(lambda self, dt: 0))
ent = TestEntity()
ent.sub._dependencies = [
crest.Dependency(ent.sub.out1, ent.sub.in2),
crest.Dependency(ent.sub.out2, ent.sub.in1)
]
self.assertListEqual([
ent.up_active, ent.sub, ent.inf, ent.sub, ent.influence2, ent.sub2
], ordered_modifiers(ent))
def test_assert_dependency_spec_breaks_cycle2(self):
class TestEntity(crest.Entity):
sub = TestSubEntity()
inf = crest.Influence(source=sub.out1, target=sub.in1)
ent = TestEntity()
ent.sub._dependencies = [
crest.Dependency(ent.sub.out1, ent.sub.in1),
crest.Dependency(ent.sub.out2, ent.sub.in2)
]
self.assertRaises(AssertionError, ordered_modifiers, ent)
def test_assert_dependency_spec_breaks_cycle_need_repetition(self):
class TestEntity(crest.Entity):
sub = TestSubEntity()
inf = crest.Influence(source=sub.out1, target=sub.in1)
ent = TestEntity()
ent.sub._dependencies = [
crest.Dependency(ent.sub.out1, ent.sub.in2),
crest.Dependency(ent.sub.out2, ent.sub.in1)
]
self.assertListEqual([ent.sub, ent.inf, ent.sub],
ordered_modifiers(ent))
def _add_dependency(source, target):
if not isinstance(source, crest.Output):
raise ValueError(
f"Source object '{get_name(source)}' is not an Output port.")
if not isinstance(target, crest.Input):
raise ValueError(
f"Target object '{get_name(target)}' is not an Input port.")
source_parent = get_parent(source)
target_parent = get_parent(target)
if source_parent is None or target_parent is None:
raise ValueError(
"Either the source or the target port are not inside an entity")
if source_parent is not target_parent: # we connect inside the same entity
raise ValueError(
"The source and target need to belong to the same entity.")
new_dependency = crest.Dependency(source=source, target=target)
if hasattr(source_parent, meta.DEPENDENCY_IDENTIFIER):
getattr(source_parent,
meta.DEPENDENCY_IDENTIFIER).append(new_dependency)
else:
setattr(source_parent, meta.DEPENDENCY_IDENTIFIER, [new_dependency])