Phase 11

tests/test_models.py

@@ -0,0 +1,24 @@
+import pytest
+
+from src.models import BoundingBox, PixelRegion
+
+
+def test_bounding_box_properties() -> None:
+    box = BoundingBox(10, 20, 30, 50)
+    assert (box.width, box.height) == (20, 30)
+    assert (box.center_x, box.center_y) == (20, 35)
+    assert (box.foot_x, box.foot_y) == (20, 50)
+    assert box.area == 600
+
+
+def test_pixel_region_contains_including_boundary() -> None:
+    region = PixelRegion(10, 20, 30, 40)
+    assert region.contains(10, 20)
+    assert region.contains(30, 40)
+    assert not region.contains(31, 40)
+
+
+@pytest.mark.parametrize("coords", [(1, 0, 1, 2), (0, 2, 1, 2), (2, 0, 1, 2)])
+def test_invalid_bounding_box(coords: tuple[int, int, int, int]) -> None:
+    with pytest.raises(ValueError):
+        BoundingBox(*coords)