Add Box class tests

src/pygerber/vm/types/box.py

@@ -101,7 +101,7 @@ def __iadd__(self, other: object) -> Self:
 
     def __radd__(self, other: object) -> Self:
         """Add a vector to the box."""
-        return self + other
+        return self + other  # pragma: no cover
 
     def __sub__(self, other: object) -> Self:
         """Subtract a vector from the box."""
@@ -121,4 +121,4 @@ def __isub__(self, other: object) -> Self:
 
     def __rsub__(self, other: object) -> Self:
         """Subtract a vector from the box."""
-        return self - other
+        return self - other  # pragma: no cover

test/test_vm/test_types/test_box.py

@@ -0,0 +1,146 @@
+from __future__ import annotations
+
+from typing import cast
+
+import pytest
+
+from pygerber.vm.types.box import Box
+from pygerber.vm.types.vector import Vector
+
+
+def test_box_from_vectors() -> None:
+    vectors = [Vector(x=1, y=2), Vector(x=3, y=4), Vector(x=-1, y=-2)]
+    box = Box.from_vectors(*vectors)
+    assert box.min_x == -1
+    assert box.min_y == -2  # noqa: PLR2004
+    assert box.max_x == 3  # noqa: PLR2004
+    assert box.max_y == 4  # noqa: PLR2004
+
+
+def test_box_from_center_width_height() -> None:
+    box = Box.from_center_width_height(center=(0, 0), width=4, height=6)
+    assert box.min_x == -2  # noqa: PLR2004
+    assert box.min_y == -3  # noqa: PLR2004
+    assert box.max_x == 2  # noqa: PLR2004
+    assert box.max_y == 3  # noqa: PLR2004
+
+
+def test_box_width() -> None:
+    min_x = 1
+    min_y = 2
+    max_x = 5
+    max_y = 6
+    box = Box(min_x=min_x, min_y=min_y, max_x=max_x, max_y=max_y)
+
+    assert box.width == max_x - min_x
+
+
+def test_box_height() -> None:
+    min_x = 1
+    min_y = 2
+    max_x = 5
+    max_y = 6
+    box = Box(min_x=min_x, min_y=min_y, max_x=max_x, max_y=max_y)
+
+    assert box.height == max_y - min_y
+
+
+def test_box_center() -> None:
+    min_x = 1
+    min_y = 2
+    max_x = 5
+    max_y = 6
+    box = Box(min_x=min_x, min_y=min_y, max_x=max_x, max_y=max_y)
+
+    assert box.center.x == (max_x + min_x) / 2
+    assert box.center.y == (max_y + min_y) / 2
+
+
+def test_box_add_vector() -> None:
+    min_x = 1
+    min_y = 2
+    max_x = 5
+    max_y = 6
+    box = Box(min_x=min_x, min_y=min_y, max_x=max_x, max_y=max_y)
+    vector = Vector(x=1, y=1)
+    new_box = box + vector
+
+    assert new_box.min_x == min_x + vector.x
+    assert id(new_box) != id(box)
+
+
+def test_box_subtract_vector() -> None:
+    box = Box(min_x=1, min_y=2, max_x=5, max_y=6)
+    vector = Vector(x=1, y=1)
+    new_box = box - vector
+    assert new_box.min_x == 0
+    assert new_box.min_y == 1
+    assert new_box.max_x == 4  # noqa: PLR2004
+    assert new_box.max_y == 5  # noqa: PLR2004
+
+
+def test_box_add_box() -> None:
+    box1 = Box(min_x=1, min_y=2, max_x=5, max_y=6)
+    box2 = Box(min_x=0, min_y=1, max_x=4, max_y=5)
+    new_box = box1 + box2
+    assert new_box.min_x == 0
+    assert new_box.min_y == 1
+    assert new_box.max_x == 5  # noqa: PLR2004
+    assert new_box.max_y == 6  # noqa: PLR2004
+
+
+def test_box_subtract_box() -> None:
+    box1 = Box(min_x=1, min_y=2, max_x=5, max_y=6)
+    box2 = Box(min_x=0, min_y=1, max_x=4, max_y=5)
+
+    with pytest.raises(TypeError):
+        assert box1 - box2
+
+
+def test_box_add_other() -> None:
+    box = Box(min_x=1, min_y=2, max_x=5, max_y=6)
+    other = 1
+
+    with pytest.raises(TypeError):
+        assert box + other
+
+
+def test_iadd() -> None:
+    min_x = 1
+    min_y = 2
+    max_x = 5
+    max_y = 6
+    box = Box(min_x=min_x, min_y=min_y, max_x=max_x, max_y=max_y)
+    vector = Vector(x=1, y=1)
+    box_original = box
+    box += vector
+
+    assert box.min_x == min_x + vector.x
+    assert id(box_original) != id(box)
+
+
+def test_radd() -> None:
+    min_x = 1
+    min_y = 2
+    max_x = 5
+    max_y = 6
+    box = Box(min_x=min_x, min_y=min_y, max_x=max_x, max_y=max_y)
+    vector = Vector(x=1, y=1)
+    box_original = box
+    box: Box = cast(Box, vector + box)
+
+    assert box.min_x == min_x + vector.x
+    assert id(box_original) != id(box)
+
+
+def test_isub() -> None:
+    box = Box(min_x=1, min_y=2, max_x=5, max_y=6)
+    vector = Vector(x=1, y=1)
+    box_original = box
+    box -= vector
+
+    assert box.min_x == 0
+    assert box.min_y == 1
+    assert box.max_x == 4  # noqa: PLR2004
+    assert box.max_y == 5  # noqa: PLR2004
+    assert id(box_original) != id(box)