Add the solidcraft-checking skill (#880)

skills/solidcraft-checking/scripts/tests/test_compare_step.py

@@ -0,0 +1,66 @@
+import subprocess
+import sys
+from pathlib import Path
+
+import pytest
+
+SCRIPTS = Path(__file__).parents[1]
+sys.path.insert(0, str(SCRIPTS))
+import run  # noqa: E402
+
+
+def cube_step(path: Path, x: float) -> Path:
+    run.execute([
+        {"command": "solid.box", "params": {"length": 10, "width": 10, "height": 10, "body_name": "Cube"}},
+        {"command": "solid.move", "params": {"bodies": ["Cube"], "translate": [x, 0, 0]}},
+        {"command": "file.export", "params": {"path": str(path), "bodies": ["Cube"]}},
+    ])
+    return path
+
+
+@pytest.fixture
+def cubes(tmp_path):
+    return cube_step(tmp_path / "a.step", 0), cube_step(tmp_path / "b.step", 1)
+
+
+def compare(*args):
+    return subprocess.run([sys.executable, SCRIPTS / "compare_step.py", *args], capture_output=True, text=True)
+
+
+def test_identical_solids_have_no_difference(cubes):
+    a, _ = cubes
+    result = compare(a, a)
+    assert result.returncode == 0, result.stderr
+    assert "xor 0 mm3" in result.stdout
+
+
+def test_shifted_solid_shows_where_it_differs(cubes):
+    a, b = cubes
+    result = compare(b, a)
+    assert result.returncode == 1, result.stderr
+    assert "xor 200 mm3 in 2 pieces" in result.stdout
+    assert "only in actual: 100 mm3 at (10, 0, 0)..(11, 10, 10)" in result.stdout
+    assert "only in expected: 100 mm3 at (0, 0, 0)..(1, 10, 10)" in result.stdout
+
+
+def test_tolerance(cubes):
+    a, b = cubes
+    result = compare(b, a, "--tolerance", "500")
+    assert result.returncode == 0, result.stderr
+    assert "xor 200 mm3 in 2 pieces" in result.stdout
+
+
+def two_boxes_step(path: Path, shift: float) -> Path:
+    run.execute([
+        {"command": "solid.box", "params": {"length": 10, "width": 10, "height": 10, "body_name": "A"}},
+        {"command": "solid.box", "params": {"length": 10, "width": 10, "height": 10, "body_name": "B"}},
+        {"command": "solid.move", "params": {"bodies": ["B"], "translate": [shift, 0, 0]}},
+        {"command": "file.export", "params": {"path": str(path), "bodies": ["A", "B"]}},
+    ])
+    return path
+
+
+def test_overlapping_solids_in_one_file_count_once(tmp_path):
+    result = compare(two_boxes_step(tmp_path / "a.step", 5), two_boxes_step(tmp_path / "b.step", 10))
+    assert "volume 1500 vs 2000 mm3" in result.stdout, result.stdout + result.stderr
+    assert "xor 500 mm3" in result.stdout