Add pytest unit tests

test/test_geometry_point.py

@@ -0,0 +1,35 @@
+# Eryn Wells <eryn@erynwells.me>
+
+from erynrl.geometry import Point
+
+
+def test_point_neighbors():
+    '''Check that Point.neighbors returns all neighbors'''
+    test_point = Point(5, 5)
+
+    expected_neighbors = set([
+        Point(4, 4),
+        Point(5, 4),
+        Point(6, 4),
+        Point(4, 5),
+        # Point(5, 5),
+        Point(6, 5),
+        Point(4, 6),
+        Point(5, 6),
+        Point(6, 6),
+    ])
+
+    neighbors = set(test_point.neighbors)
+    for pt in expected_neighbors:
+        assert pt in neighbors
+
+    assert expected_neighbors - neighbors == set(), \
+        f"Found some points that didn't belong in the set of neighbors of {test_point}"
+
+
+def test_point_manhattan_distance():
+    '''Check that the Manhattan Distance calculation on Points is correct'''
+    point_a = Point(3, 2)
+    point_b = Point(8, 5)
+
+    assert point_a.manhattan_distance_to(point_b) == 8