projection & 3Drot

test/test_matrixmania/test_rot.py

@@ -0,0 +1,32 @@
+import math
+import pytest
+from matrixmania.compute import rot_3D
+
+
+def test_rot_3D_x_axis():
+    # Test bei 0 Radian (Identitätsmatrix)
+    res = rot_3D(0.0, "x")
+    assert res == [[1.0, 0.0, 0.0], [0.0, 1.0, 0.0], [0.0, 0.0, 1.0]]
+
+    # Test bei 90 Grad (PI / 2)
+    res_90 = rot_3D(math.pi / 2, "x")
+    assert pytest.approx(res_90[1][1]) == 0.0
+    assert pytest.approx(res_90[1][2]) == -1.0
+    assert pytest.approx(res_90[2][1]) == 1.0
+    assert pytest.approx(res_90[2][2]) == 0.0
+
+
+def test_rot_3D_y_axis():
+    res = rot_3D(0.0, "y")
+    assert res == [[1.0, 0.0, 0.0], [0.0, 1.0, 0.0], [0.0, 0.0, 1.0]]
+
+
+def test_rot_3D_z_axis():
+    res = rot_3D(0.0, "z")
+    assert res == [[1.0, 0.0, 0.0], [0.0, 1.0, 0.0], [0.0, 0.0, 1.0]]
+
+
+def test_rot_3D_invalid_axis():
+    # Prüft, ob bei ungültiger Achse ein ValueError geworfen wird
+    with pytest.raises(ValueError):
+        rot_3D(1.0, "w")