audit YOLO geometry and overlapping validation rows

tests/test_audit_yolo_cross_tile_repetition.py

@@ -0,0 +1,50 @@
+import pytest
+
+from scripts.audit_yolo_cross_tile_repetition import (
+    interior_global_key,
+    tile_offsets,
+)
+from scripts.audit_yolo_label_relationships import Box
+
+
+def test_tile_offsets_parse_exporter_filename() -> None:
+    assert tile_offsets("/data/geel_0005_r256_c512.png") == (256, 512)
+    with pytest.raises(ValueError, match="no row/column offsets"):
+        tile_offsets("/data/not-a-tile.png")
+
+
+def test_interior_global_key_reconstructs_same_object_across_tiles() -> None:
+    first = Box(0, 0.75, 0.5, 0.1, 0.1)
+    second = Box(0, 0.25, 0.5, 0.1, 0.1)
+
+    first_key = interior_global_key(
+        first,
+        row_offset=0,
+        column_offset=0,
+        tile_size=512,
+        edge_tolerance_pixels=0.5,
+    )
+    second_key = interior_global_key(
+        second,
+        row_offset=0,
+        column_offset=256,
+        tile_size=512,
+        edge_tolerance_pixels=0.5,
+    )
+
+    assert first_key == second_key == (358.4, 230.4, 409.6, 281.6)
+
+
+def test_interior_global_key_rejects_edge_clipped_box() -> None:
+    edge_box = Box(0, 0.05, 0.5, 0.1, 0.1)
+
+    assert (
+        interior_global_key(
+            edge_box,
+            row_offset=0,
+            column_offset=256,
+            tile_size=512,
+            edge_tolerance_pixels=0.5,
+        )
+        is None
+    )

tests/test_audit_yolo_label_outliers.py

@@ -0,0 +1,45 @@
+from scripts.audit_yolo_label_outliers import classify_box
+from scripts.audit_yolo_label_relationships import Box
+
+
+DEFAULTS = {
+    "tile_size": 640,
+    "min_dimension_pixels": 4.0,
+    "extreme_aspect_ratio": 8.0,
+    "edge_tolerance_pixels": 0.5,
+}
+
+
+def test_classify_box_reports_independent_geometric_risks() -> None:
+    box = Box(0, 0.5, 0.003, 0.2, 0.006)
+
+    assert classify_box(box, **DEFAULTS) == [
+        {
+            "category": "small_dimension",
+            "width_px": 128.0,
+            "height_px": 3.84,
+            "area_px2": 491.52,
+            "aspect_ratio": 33.333333,
+        },
+        {
+            "category": "extreme_aspect_ratio",
+            "width_px": 128.0,
+            "height_px": 3.84,
+            "area_px2": 491.52,
+            "aspect_ratio": 33.333333,
+        },
+        {
+            "category": "tile_edge",
+            "edge_sides": ["top"],
+            "width_px": 128.0,
+            "height_px": 3.84,
+            "area_px2": 491.52,
+            "aspect_ratio": 33.333333,
+        },
+    ]
+
+
+def test_classify_box_ignores_ordinary_interior_box() -> None:
+    box = Box(0, 0.5, 0.5, 0.1, 0.08)
+
+    assert classify_box(box, **DEFAULTS) == []

tests/test_evaluate_yolo_checkpoint_matrix.py

@@ -0,0 +1,29 @@
+import json
+from pathlib import Path
+
+from scripts.evaluate_yolo_checkpoint_matrix import dataset_overlap_evidence
+
+
+def test_dataset_overlap_evidence_marks_repeated_validation_rows(
+    tmp_path: Path,
+) -> None:
+    dataset_yaml = tmp_path / "dataset.yaml"
+    dataset_yaml.write_text("path: .\nval: images/val\n", encoding="utf-8")
+    (tmp_path / "yolo_tile_dataset_summary.json").write_text(
+        json.dumps({"tile_size": 512, "stride": 256}), encoding="utf-8"
+    )
+
+    evidence = dataset_overlap_evidence(dataset_yaml)
+
+    assert evidence["status"] == "overlapping"
+    assert evidence["overlap_pixels"] == 256
+    assert evidence["validation_rows_independent"] is False
+
+
+def test_dataset_overlap_evidence_is_explicit_when_summary_missing(
+    tmp_path: Path,
+) -> None:
+    evidence = dataset_overlap_evidence(tmp_path / "dataset.yaml")
+
+    assert evidence["status"] == "unavailable"
+    assert evidence["validation_rows_independent"] is None

tests/test_render_operator_yolo_label_qa_contact_sheets.py

@@ -2,6 +2,7 @@ import pytest
 
 from scripts.render_operator_yolo_label_qa_contact_sheets import (
     CONTACT_SHEET_NAME_TEMPLATE,
+    build_label_highlights,
     build_relationship_highlights,
     filter_tiles_by_samples,
 )
@@ -72,3 +73,25 @@ def test_relationship_highlights_bind_indices_and_preserve_highest_priority() ->
             7: "near_duplicate",
         }
     }
+
+
+def test_label_highlights_support_outliers_with_stable_priority() -> None:
+    summary = {
+        "flagged_tiles": [
+            {
+                "label_path": "/data/tile.txt",
+                "outliers": [
+                    {"category": "tile_edge", "index": 3},
+                    {"category": "small_dimension", "index": 3},
+                    {"category": "extreme_aspect_ratio", "index": 4},
+                ],
+            }
+        ]
+    }
+
+    assert build_label_highlights(summary) == {
+        "/data/tile.txt": {
+            3: "small_dimension",
+            4: "extreme_aspect_ratio",
+        }
+    }