Initial commit

tests/test_point.py

@@ -0,0 +1,48 @@
+from unittest import TestCase
+from geometry.point import Point
+from geometry.vector import Vector
+
+class TestPoint(TestCase):
+    def setUp(self):
+        self.origin = Point((0, 0))
+        self.a = Point((4, 0))
+        self.b = Point((0, 3))
+        self.c = Point((5, 2))
+        self.v = Vector((1, 2))
+
+    def test_init_with_none(self):
+        origin = Point()
+        self.assertEqual(origin.x, 0)
+
+    def test_init_with_pair(self):
+        p = Point((4, 2))
+        self.assertEqual(p.x, 4)
+
+    def test_init_with_vector(self):
+        self.assertEqual(self.a, Point(Vector(self.a)))
+
+    def test_string_representation(self):
+        self.assertEqual(str(self.a), "(4, 0)")
+
+    def test_equality(self):
+        self.assertEqual(self.a, self.a)
+        self.assertNotEqual(self.a, self.b)
+
+    def test_addition_with_vector(self):
+        self.assertEqual(self.a + self.v, self.c)
+
+    def test_addition_with_invalid_type(self):
+        with self.assertRaises(TypeError):
+            self.a + self.a
+
+    def test_subtraction_with_point(self):
+        self.assertEqual(self.c - self.a, self.v)
+
+    def test_subtraction_with_vector(self):
+        self.assertEqual(self.c - self.v, self.a)
+
+    def test_subtraction_with_invalid_type(self):
+        with self.assertRaises(TypeError):
+            self.a - 4
+        
+