def test_cannot_add_movie_with_non_unique_id():
mem_repo = MemoryRepository()
up_movie = Movie("Up", 2009, 1)
klaus_movie = Movie("Klaus", 2019, 1)
mem_repo.add_movie(up_movie)
mem_repo.add_movie(klaus_movie)
assert mem_repo.get_number_of_movies() == 1
def test_get_number_of_movies():
mem_repo = MemoryRepository()
up_movie = Movie("Up", 2009, 1)
klaus_movie = Movie("Klaus", 2019, 2)
dolittle_movie = Movie("Dolittle", 2019, 3)
mem_repo.add_movie(up_movie)
mem_repo.add_movie(klaus_movie)
mem_repo.add_movie(dolittle_movie)
assert mem_repo.get_number_of_movies() == 3