Add vector primitives

tests/test_primitives.py

@@ -232,3 +232,66 @@ def test_unit_vector_2d():
     v3 = UnitVector2D([2, 1])
     assert abs(round(v3.x, 3) - 0.894) <= DOUBLE_EPS
     assert abs(round(v3.y, 3) - 0.447) <= DOUBLE_EPS
+
+
+def test_vector2d_errors():
+    """Testing multiple ``Vector2D`` errors."""
+
+    with pytest.raises(ValueError, match="Vector2D must have two coordinates."):
+        Vector2D([1])
+
+    with pytest.raises(ValueError, match="The parameters of 'input' should be integer or float."):
+        Vector2D(["a", "b"])
+
+    # Create a point
+    v1 = Vector2D([1, 2])
+
+    # Test setter error checks
+    with pytest.raises(
+        ValueError, match="The parameter 'x' should be a float or an integer value."
+    ):
+        v1.x = "x"
+
+    with pytest.raises(
+        ValueError, match="The parameter 'y' should be a float or an integer value."
+    ):
+        v1.y = "y"
+
+    # Build a Vector3D and try to compare against it
+    with pytest.raises(ValueError, match="Comparison of"):
+        v2 = Vector3D([1, 5, 6])
+        assert v1 == v2
+
+
+def test_vector3d_errors():
+    """Testing multiple ``Vector3D`` errors."""
+
+    with pytest.raises(ValueError, match="Vector3D must have three coordinates."):
+        Vector3D([1, 2])
+
+    with pytest.raises(ValueError, match="The parameters of 'inputs' should be integer or float."):
+        Vector3D(["a", "b", "c"])
+
+    # Create a point
+    v1 = Vector3D([1, 2, 3])
+
+    # Test setter error checks
+    with pytest.raises(
+        ValueError, match="The parameter 'x' should be a float or an integer value."
+    ):
+        v1.x = "x"
+
+    with pytest.raises(
+        ValueError, match="The parameter 'y' should be a float or an integer value."
+    ):
+        v1.y = "y"
+
+    with pytest.raises(
+        ValueError, match="The parameter 'z' should be a float or an integer value."
+    ):
+        v1.z = "z"
+
+    # Build a Vector2D and try to compare against it
+    with pytest.raises(ValueError, match="Comparison of"):
+        v2 = Vector2D([1, 2])
+        assert v1 == v2