def test_save__try_to_update_with_none_values(self):
#
# In database fields with new values which are equal to None
# should not be overwritten because of the fact, that client tends to
# send back to server only a small part of object's data, such as ID.
# Arrange
movie_orm = MovieORM.objects.create(title=self.title,
year=self.year,
director=self.director,
poster_url=self.poster_url,
video_url=self.video_url)
existed_movie = MovieRepo().get(movie_orm.id)
expected_movie_data = {
'title': self.title,
'year': self.year,
'director': self.director,
'poster_url': self.poster_url,
'video_url': self.video_url
}
# Act
movie_repo = MovieRepo()
existed_movie.title = None
existed_movie.year = None
existed_movie.director = None
existed_movie.poster_url = None
actual_movie = movie_repo.save(existed_movie)
actual_movie_data = {
'title': actual_movie.title,
'year': actual_movie.year,
'director': actual_movie.director,
'poster_url': actual_movie.poster_url,
'video_url': actual_movie.video_url
}
# Assert
self.assertDictEqual(expected_movie_data, actual_movie_data)
# Chech immutabilty direct in orm object
actual_movie_orm = MovieORM.objects.get(pk=movie_orm.id)
actual_movie_orm_data = {
'title': actual_movie_orm.title,
'year': actual_movie_orm.year,
'director': actual_movie_orm.director,
'poster_url': actual_movie_orm.poster_url,
'video_url': actual_movie_orm.video_url
}
self.assertDictEqual(expected_movie_data, actual_movie_orm_data)
def test_save__update(self):
# Arrange
movie_orm = MovieORM.objects.create(title=self.title,
year=self.year,
director=self.director,
poster_url=self.poster_url,
video_url=self.video_url)
existed_movie = MovieRepo().get(movie_orm.id)
title_new_value = 'The Departed'
year_new_value = 2006
director_new_value = 'Martin Scorsese'
expected_movie_data = {
'title': title_new_value,
'year': year_new_value,
'director': director_new_value,
'poster_url': self.poster_url,
'video_url': self.video_url
}
# Act
existed_movie.title = title_new_value
existed_movie.year = year_new_value
existed_movie.director = director_new_value
movie_repo = MovieRepo()
actual_movie = movie_repo.save(existed_movie)
actual_movie_data = {
'title': actual_movie.title,
'year': actual_movie.year,
'director': actual_movie.director,
'poster_url': actual_movie.poster_url,
'video_url': actual_movie.video_url
}
self.assertDictEqual(expected_movie_data, actual_movie_data)