Removed the subdir.

pyrate/tests/plan/geometry/primitives/test_common.py

@@ -0,0 +1,44 @@
+"""Tests some general properties of geometries."""
+
+# Generic testing
+from unittest import TestCase
+
+# Scientific testing
+from numpy.testing import assert_array_almost_equal
+
+# Hypothesis testing
+from hypothesis import given
+import hypothesis.strategies as st
+
+# Package under test
+from pyrate.plan.geometry import CartesianGeometry
+
+# Test helpers
+from pyrate.common.testing.strategies.geometry import cartesian_objects
+from pyrate.common.testing.strategies.geometry import geo_bearings
+
+
+class TestCartesianGeometries(TestCase):
+    """Asserts general properties of the cartesian geometries."""
+
+    @given(
+        cartesian_objects(),
+        geo_bearings(),
+        st.floats(min_value=1.0, max_value=100_000.0),
+    )
+    def test_translation_is_invertible(
+        self,
+        original: CartesianGeometry,
+        direction: float,
+        distance: float,
+    ) -> None:
+        """Tests that translation is invertible and a valid backwards vector is returned."""
+
+        # translate & translate back
+        translated, back_vector = original.translate(direction, distance)
+        back_direction = (direction + 180) % 360
+        translated_translated, back_back_vector = translated.translate(back_direction, distance)
+
+        # check the result
+        assert_array_almost_equal(back_vector, -back_back_vector, decimal=9)
+        self.assertTrue(original.equals_exact(translated_translated, tolerance=1e-9))