feat: closes #2,#3,#4 — scripts pre_decimate + archive_job + check_jobs + tests

tests/test_pre_decimate.py

@@ -0,0 +1,53 @@
+import numpy as np
+import tempfile
+from pathlib import Path
+import pytest
+
+
+def _make_tiny_ply(path: Path) -> None:
+    import open3d as o3d
+    pcd = o3d.geometry.PointCloud()
+    pts = np.random.rand(1000, 3).astype(np.float64)
+    pcd.points = o3d.utility.Vector3dVector(pts)
+    o3d.io.write_point_cloud(str(path), pcd)
+
+
+def test_decimate_reduces_points():
+    from scripts.pre_decimate import decimate_ply
+    with tempfile.TemporaryDirectory() as tmp:
+        src = Path(tmp) / "model.ply"
+        dst = Path(tmp) / "model_decimated.ply"
+        _make_tiny_ply(src)
+        decimate_ply(str(src), str(dst), max_pts=100)
+        import open3d as o3d
+        pcd = o3d.io.read_point_cloud(str(dst))
+        # voxel downsampling is approximate — assert significantly fewer than original 1000
+        assert len(pcd.points) < 500
+
+
+def test_decimate_small_cloud_unchanged():
+    from scripts.pre_decimate import decimate_ply
+    with tempfile.TemporaryDirectory() as tmp:
+        src = Path(tmp) / "small.ply"
+        dst = Path(tmp) / "small_decimated.ply"
+        _make_tiny_ply(src)
+        decimate_ply(str(src), str(dst), max_pts=5000)
+        import open3d as o3d
+        pcd = o3d.io.read_point_cloud(str(dst))
+        assert len(pcd.points) == 1000
+
+
+def test_decimate_missing_src_raises():
+    from scripts.pre_decimate import decimate_ply
+    with tempfile.TemporaryDirectory() as tmp:
+        with pytest.raises(FileNotFoundError):
+            decimate_ply("/nonexistent.ply", str(Path(tmp) / "out.ply"))
+
+
+def test_find_ply_candidates():
+    from scripts.pre_decimate import find_ply
+    with tempfile.TemporaryDirectory() as tmp:
+        d = Path(tmp)
+        assert find_ply(d) is None
+        (d / "model.ply").touch()
+        assert find_ply(d) == d / "model.ply"