quaternion data tests

tests/compas/geometry/test_quaternion.py

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+import pytest
+import json
+import compas
+from random import random
+
+from compas.geometry import Quaternion
+from compas.geometry import close
+
+
+@pytest.mark.parametrize(
+    "x,y,z,w",
+    [
+        (0.0, 0.0, 0.0, 0.0),
+        (0.0, 0.0, 0.0, 1.0),
+        (1.0, 0.0, 0.0, 0.0),
+        (1.0, 0.0, 0.0, 1.0),
+        (0.0, 1.0, 0.0, 0.0),
+        (0.0, 1.0, 0.0, 1.0),
+        (0.0, 0.0, 1.0, 0.0),
+        (0.0, 0.0, 1.0, 1.0),
+        (1.0, 1.0, 1.0, 0.0),
+        (1.0, 1.0, 1.0, 1.0),
+        (random(), random(), random(), random()),
+    ],
+)
+def test_quaternion(w, x, y, z):
+    quaternion = Quaternion(w, x, y, z)
+
+    assert quaternion.w == w
+    assert quaternion.x == x
+    assert quaternion.y == y
+    assert quaternion.z == z
+
+    other = eval(repr(quaternion))
+
+    assert close(quaternion.w, other.w, tol=1e-12)
+    assert close(quaternion.x, other.x, tol=1e-12)
+    assert close(quaternion.y, other.y, tol=1e-12)
+    assert close(quaternion.z, other.z, tol=1e-12)
+
+
+# =============================================================================
+# Data
+# =============================================================================
+
+
+def test_quaternion_data():
+    x = random()
+    y = random()
+    z = random()
+    w = random()
+
+    quaternion = Quaternion(w, x, y, z)
+    other = Quaternion.from_data(json.loads(json.dumps(quaternion.data)))
+
+    assert quaternion.w == other.w
+    assert quaternion.x == other.x
+    assert quaternion.y == other.y
+    assert quaternion.z == other.z
+
+    if not compas.IPY:
+        assert Quaternion.validate_data(quaternion.data)
+        assert Quaternion.validate_data(other.data)
+
+
+# =============================================================================
+# Constructors
+# =============================================================================
+
+# =============================================================================
+# Properties and Geometry
+# =============================================================================
+
+# =============================================================================
+# Accessors
+# =============================================================================
+
+# =============================================================================
+# Comparison
+# =============================================================================
+
+# =============================================================================
+# Other Methods
+# =============================================================================