def test_cannot_move_diagonally(self):
knight = Knight(color='WHITE')
is_valid_move = knight.validate_move((4, 2), (5, 3))
self.assertFalse(is_valid_move)
is_valid_move = knight.validate_move((4, 2), (3, 1))
self.assertFalse(is_valid_move)
is_valid_move = knight.validate_move((4, 2), (3, 3))
self.assertFalse(is_valid_move)
is_valid_move = knight.validate_move((4, 2), (5, 1))
self.assertFalse(is_valid_move)
is_valid_move = knight.validate_move((4, 2), (1, 3))
self.assertFalse(is_valid_move)
is_valid_move = knight.validate_move((4, 2), (7, 1))
self.assertFalse(is_valid_move)
is_valid_move = knight.validate_move((4, 2), (7, 3))
self.assertFalse(is_valid_move)
is_valid_move = knight.validate_move((4, 2), (1, 1))
self.assertFalse(is_valid_move)
def test_knight_can_move_L_shapes(self):
knight = Knight('WHITE')
is_valid_move = knight.validate_move((1, 3), (3, 2))
self.assertTrue(is_valid_move)
is_valid_move = knight.validate_move((1, 3), (2, 5))
self.assertTrue(is_valid_move)
is_valid_move = knight.validate_move((2, 3), (1, 5))
self.assertTrue(is_valid_move)
is_valid_move = knight.validate_move((2, 3), (3, 5))
self.assertTrue(is_valid_move)
is_valid_move = knight.validate_move((2, 3), (4, 4))
self.assertTrue(is_valid_move)
def test_cant_move_backward(self):
knight = Knight(color='BLACK')
is_valid_move = knight.validate_move((4, 2), (7, 2))
self.assertFalse(is_valid_move)
def test_cant_move_sideways(self):
knight = Knight(color='BLACK')
is_valid_move = knight.validate_move((7, 2), (7, 4))
self.assertFalse(is_valid_move)
