def test_vector_to_degrees(self):
self.assertEqual(Vector(1, 0).degrees(), float(0))
self.assertEqual(Vector(1, 1).degrees(), float(45))
self.assertEqual(Vector(0, 1).degrees(), float(90))
self.assertEqual(Vector(-1, 1).degrees(), float(135))
self.assertEqual(Vector(-1, 0).degrees(), float(180))
self.assertEqual(Vector(-1, -1).degrees(), float(225))
self.assertEqual(Vector(0, -1).degrees(), float(270))
self.assertEqual(Vector(1, -1).degrees(), float(315))
def test_vector_broken_2(self):
computed_vector = Vector.compute(Position(0, 1), Position(1, 5))
computed_vector_2 = Vector.compute(Position(0, 1), Position(3, 8))
self.assertTrue(computed_vector != computed_vector_2)
def test_vector_broken(self):
computed_vector = Vector.compute(Position(3, 4), Position(2, 2))
computed_vector_2 = Vector.compute(Position(3, 4), Position(1, 0))
self.assertTrue(computed_vector != computed_vector_2)
def test_vector_more_complex_path(self):
computed_vector = Vector.compute(Position(1, 1), Position(4, 3))
self.assertTrue(
Vector.compute(Position(1, 1), Position(4, 3)) == Vector(-2, 3))
def test_vector_no_y_change(self):
computed_vector = Vector.compute(Position(0, 0), Position(2, 0))
self.assertTrue(
Vector.compute(Position(0, 0), Position(2, 0)) == Vector(0, 1))
def test_vector_is_reduced(self):
computed_vector = Vector.compute(Position(0, 0), Position(2, 2))
self.assertTrue(computed_vector == Vector(-1, 1))
def test_vector(self):
computed_vector = Vector.compute(Position(0, 0), Position(2, 3))
self.assertTrue(computed_vector == Vector(-3, 2))