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cadSet/SimpleCADAPI/tests/test_topology_identity.py
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Python

from __future__ import annotations
from collections import defaultdict
import simplecadapi as scad
from simplecadapi.core import clone_semantic_shape_view
from simplecadapi.sketch import Sketch, SketchRef, SketchSolveResult
def _box_edge_occurrences():
box = scad.make_box_rsolid(1.0, 1.0, 1.0)
occurrences = []
for face in box.get_faces():
occurrences.extend(face.get_outer_wire().get_edges())
return box, occurrences
def test_box_edge_occurrences_share_canonical_topo_ids():
_, occurrences = _box_edge_occurrences()
assert len(occurrences) == 24
assert len({edge.topo_id for edge in occurrences}) == 12
def test_shared_edge_occurrences_share_tags_and_metadata():
_, occurrences = _box_edge_occurrences()
groups = defaultdict(list)
for edge in occurrences:
groups[edge.topo_id].append(edge)
shared = next(group for group in groups.values() if len(group) >= 2)
edge_a, edge_b = shared[0], shared[1]
scad.apply_tag(edge_a, "shared.edge")
edge_a.set_metadata("name", "same-topological-edge")
assert "shared.edge" in scad.list_tags(edge_b)
assert edge_b.get_metadata("name") == "same-topological-edge"
def test_shared_edge_occurrences_keep_entity_state_after_whole_assignment():
_, occurrences = _box_edge_occurrences()
groups = defaultdict(list)
for edge in occurrences:
groups[edge.topo_id].append(edge)
edge_a, edge_b = next(group[:2] for group in groups.values() if len(group) >= 2)
scad.apply_tag(edge_a, "shared.edge")
entity = edge_a._entity
containers = (
entity.tags,
entity.tag_bindings,
entity.tag_lineage,
entity.metadata,
entity.runtime,
)
edge_a._tag_cache = set(edge_a._tag_cache)
edge_a._tag_bindings = list(edge_a._tag_bindings)
edge_a._tag_lineage = list(edge_a._tag_lineage)
edge_a._metadata = {"name": "reassigned"}
edge_a._runtime = {"cached": True}
assert edge_b._entity is entity
assert containers == (
edge_b._tag_cache,
edge_b._tag_bindings,
edge_b._tag_lineage,
edge_b._metadata,
edge_b._runtime,
)
assert all(
before is after
for before, after in zip(
containers,
(
entity.tags,
entity.tag_bindings,
entity.tag_lineage,
entity.metadata,
entity.runtime,
),
)
)
assert edge_b.get_metadata("name") == "reassigned"
assert edge_b._get_runtime("cached") is True
def test_non_topology_tagged_objects_keep_standalone_state():
objects = [
Sketch(name="standalone"),
SketchRef("sketch", "point", kind="point"),
SketchSolveResult(
sketch_id="sketch",
status="solved",
dof=0,
residual_norm=0.0,
iterations=0,
solved_points={},
solved_scalars={},
),
]
for obj in objects:
containers = (obj._tag_cache, obj._metadata, obj._runtime)
obj._tag_cache = {"standalone.state"}
obj._metadata = {"owner": type(obj).__name__}
obj._runtime = {"ready": True}
assert obj._entity is None
assert obj._tag_cache is containers[0]
assert obj._metadata is containers[1]
assert obj._runtime is containers[2]
assert obj._tag_cache == {"standalone.state"}
assert obj.get_metadata("owner") == type(obj).__name__
assert obj._get_runtime("ready") is True
def test_semantic_shape_clone_keeps_independent_entity_state():
box = scad.make_box_rsolid(1.0, 1.0, 1.0)
box.set_metadata("view", "source")
clone = clone_semantic_shape_view(box)
clone._metadata = {"view": "clone"}
assert clone.topo_id == box.topo_id
assert clone._entity is not box._entity
assert clone.get_metadata("view") == "clone"
assert box.get_metadata("view") == "source"
def test_solid_get_edges_returns_unique_topological_edges():
box, _ = _box_edge_occurrences()
edges = box.get_edges()
assert len(edges) == 12
assert len({edge.topo_id for edge in edges}) == 12
def test_edge_incident_faces_and_face_adjacency_are_available():
box, _ = _box_edge_occurrences()
edge = box.get_edges(0)
incident_faces = edge.get_incident_faces()
assert len(incident_faces) == 2
assert len({face.topo_id for face in incident_faces}) == 2
face = box.get_faces(0)
adjacent_faces = face.get_adjacent_faces()
assert len(adjacent_faces) == 4
assert face.topo_id not in {adjacent.topo_id for adjacent in adjacent_faces}