Add pytest unit tests

.vscode/settings.json

@@ -1,4 +1,9 @@
 {
     "python.linting.pylintEnabled": true,
-    "python.linting.enabled": true
-}
+    "python.linting.enabled": true,
+    "python.testing.pytestArgs": [
+        "test"
+    ],
+    "python.testing.unittestEnabled": false,
+    "python.testing.pytestEnabled": true
+}

requirements.txt

@@ -1,15 +1,21 @@
 astroid==2.14.1
+attrs==22.2.0
 autopep8==2.0.1
 cffi==1.15.0
 dill==0.3.6
+exceptiongroup==1.1.0
+iniconfig==2.0.0
 isort==5.12.0
 lazy-object-proxy==1.9.0
 mccabe==0.7.0
 numpy==1.22.3
+packaging==23.0
 platformdirs==3.0.0
+pluggy==1.0.0
 pycodestyle==2.10.0
 pycparser==2.21
 pylint==2.16.1
+pytest==7.2.1
 tcod==13.6.1
 tomli==2.0.1
 tomlkit==0.11.6

test/__init__.py

@@ -0,0 +1 @@
+# Eryn Wells <eryn@erynwells.me>

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