def test_get_direction_assert_length_error(self):
point_1 = (1, 0, 0)
point_2 = (1, 1)
with self.assertRaises(ValueError):
picture_cross.get_direction(point_1, point_2)
point_1 = (1, 1)
point_2 = (1, 0, 0)
with self.assertRaises(ValueError):
picture_cross.get_direction(point_1, point_2)
def test_get_direction_diag(self):
point_1 = (0, 0)
point_2 = (1, 1)
direction = picture_cross.get_direction(point_1, point_2)
self.assertAlmostEqual(direction[0], 0.70710, places=4)
self.assertAlmostEqual(direction[1], 0.70710, places=4)
def test_get_direction_y(self):
point_1 = (0, 1)
point_2 = (1, 1)
direction = picture_cross.get_direction(point_1, point_2)
self.assertSequenceEqual(list(direction), (1, 0))
def test_get_direction_basic(self):
point_1 = (1.5, 3.1)
point_2 = (3.3, 4.1)
direction = picture_cross.get_direction(point_1, point_2)
self.assertAlmostEqual(direction[1], 0.48564, places=4)
self.assertAlmostEqual(direction[0], 0.87415, places=4)