first commit

SimpleCADAPI-master/test/test_verifier_collision.py

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+import simplecadapi as scad
+
+
+def _two_box_assembly(offset):
+    box = scad.make_box_rsolid(width=1.0, height=1.0, depth=1.0)
+    part = scad.make_part_rpart(part_id="box_part", body=box)
+    assembly = scad.make_assembly_rassembly(assembly_id="collision_demo")
+    assembly = scad.add_component_rassembly(
+        assembly=assembly,
+        item=part,
+        component_id="box_a",
+        placement=scad.identity_placement_rplacement(),
+    )
+    assembly = scad.add_component_rassembly(
+        assembly=assembly,
+        item=part,
+        component_id="box_b",
+        placement=scad.make_placement_rplacement(origin=offset),
+    )
+    return assembly
+
+
+def test_verifier_namespace_is_public():
+    assert hasattr(scad, "verifier")
+    assert "verifier" in scad.__all__
+    assert hasattr(scad.verifier, "check_collision_rcollisionreport")
+
+
+def test_collision_report_passes_for_separated_meshes():
+    assembly = _two_box_assembly(offset=(2.0, 0.0, 0.0))
+
+    report = scad.verifier.check_collision_rcollisionreport(
+        assembly=assembly,
+        config=scad.verifier.CollisionCheckConfig(max_allowed_penetration=0.01),
+    )
+
+    assert report.completed
+    assert report.passed
+    assert report.checked_pair_count == 1
+    assert report.failed_pair_count == 0
+    assert report.failures == ()
+
+
+def test_collision_report_fails_for_over_tolerance_contact_penetration():
+    assembly = _two_box_assembly(offset=(0.5, 0.0, 0.0))
+
+    report = scad.verifier.check_collision_rcollisionreport(
+        assembly=assembly,
+        config=scad.verifier.CollisionCheckConfig(max_allowed_penetration=0.01),
+    )
+
+    assert report.completed
+    assert not report.passed
+    assert report.checked_pair_count == 1
+    assert report.failed_pair_count == 1
+    failure = report.failures[0]
+    assert failure.component_a == ("box_a",)
+    assert failure.component_b == ("box_b",)
+    assert failure.penetration_depth > 0.01
+    assert failure.kind == "contact_penetration"
+    assert failure.contacts
+
+
+def test_collision_report_respects_allowed_penetration_tolerance():
+    assembly = _two_box_assembly(offset=(0.5, 0.0, 0.0))
+
+    report = scad.verifier.check_collision_rcollisionreport(
+        assembly=assembly,
+        config=scad.verifier.CollisionCheckConfig(max_allowed_penetration=2.0),
+    )
+
+    assert report.completed
+    assert report.passed
+    assert report.checked_pair_count == 1
+    assert report.failed_pair_count == 0
+
+
+def test_collision_scope_can_exclude_pair():
+    assembly = _two_box_assembly(offset=(0.5, 0.0, 0.0))
+
+    report = scad.verifier.check_collision_rcollisionreport(
+        assembly=assembly,
+        config=scad.verifier.CollisionCheckConfig(
+            max_allowed_penetration=0.01,
+            scope=scad.verifier.CollisionScope(
+                exclude_pairs=(scad.verifier.ComponentPair("box_a", "box_b"),),
+            ),
+        ),
+    )
+
+    assert report.completed
+    assert report.passed
+    assert report.checked_pair_count == 0
+    assert report.failed_pair_count == 0