def load_comments(data_path: str, repo: MemoryRepository, users):
for data_row in read_csv_file(os.path.join(data_path, 'comments.csv')):
comment = make_comment(comment_text=data_row[3],
user=users[data_row[1]],
movie=repo.get_movie(int(data_row[2])),
timestamp=datetime.fromisoformat(data_row[4]))
repo.add_comment(comment)
def test_repository_can_add_a_comment(in_memory_repo):
user = in_memory_repo.get_user('thorke')
movie = in_memory_repo.get_movie(1)
comment = make_comment("Trump's onto it!", user, movie)
in_memory_repo.add_comment(comment)
assert comment in in_memory_repo.get_comments()
def test_make_comment_establishes_relationships(movie, user):
comment_text = 'COVID-19 in the USA!'
comment = make_comment(comment_text, user, movie)
# Check that the User object knows about the Comment.
assert comment in user.comments
# Check that the Comment knows about the User.
assert comment.user is user
# Check that Article knows about the Comment.
assert comment in movie.comments
# Check that the Comment knows about the Article.
assert comment.movie is movie
def add_comment(movie_id: int, comment_text: str, username: str, repo: AbstractRepository):
# Check that the movies exists.
movie = repo.get_movie(movie_id)
if movie is None:
raise NonExistentMovieException
user = repo.get_user(username)
if user is None:
raise UnknownUserException
# Create comment.
comment = make_comment(comment_text, user, movie)
# Update the repository.
repo.add_comment(comment)