def test_travel_1(self):
path = Path()
traveler = Traveler(path)
traveler.travel('>')
self.assertEqual(1, traveler._current_x)
self.assertEqual(0, traveler._current_y)
self.assertEqual(2, len(path._locations_visited))
def test_houses_visited_single_visitor_4(self):
path = Path()
traveler = Traveler(path)
traveler.travel('^')
traveler.travel('>')
traveler.travel('v')
traveler.travel('<')
self.assertEqual(0, traveler._current_x)
self.assertEqual(0, traveler._current_y)
self.assertEqual(4, len(path._locations_visited))
