def test_gather_matching_genres(self):
self.fantasy, ig = Genre.lookup(self._db, classifier.Fantasy)
self.urban_fantasy, ig = Genre.lookup(self._db,
classifier.Urban_Fantasy)
self.cooking, ig = Genre.lookup(self._db, classifier.Cooking)
self.history, ig = Genre.lookup(self._db, classifier.History)
# Fantasy contains three subgenres and is restricted to fiction.
fantasy, default = Lane.gather_matching_genres(
[self.fantasy], Lane.FICTION_DEFAULT_FOR_GENRE)
eq_(4, len(fantasy))
eq_(True, default)
fantasy, default = Lane.gather_matching_genres([self.fantasy], True)
eq_(4, len(fantasy))
eq_(True, default)
fantasy, default = Lane.gather_matching_genres([self.fantasy], True,
[self.urban_fantasy])
eq_(3, len(fantasy))
eq_(True, default)
# Attempting to create a contradiction (like nonfiction fantasy)
# will create a lane broad enough to actually contain books
fantasy, default = Lane.gather_matching_genres([self.fantasy], False)
eq_(4, len(fantasy))
eq_(Lane.BOTH_FICTION_AND_NONFICTION, default)
# Fantasy and history have conflicting fiction defaults, so
# although we can make a lane that contains both, we can't
# have it use the default value.
assert_raises(UndefinedLane, Lane.gather_matching_genres,
[self.fantasy, self.history],
Lane.FICTION_DEFAULT_FOR_GENRE)
def test_gather_matching_genres(self):
self.fantasy, ig = Genre.lookup(self._db, classifier.Fantasy)
self.urban_fantasy, ig = Genre.lookup(self._db,
classifier.Urban_Fantasy)
self.cooking, ig = Genre.lookup(self._db, classifier.Cooking)
self.history, ig = Genre.lookup(self._db, classifier.History)
# Fantasy contains three subgenres and is restricted to fiction.
fantasy, default = Lane.gather_matching_genres(
self._db, [self.fantasy], Lane.FICTION_DEFAULT_FOR_GENRE)
eq_(4, len(fantasy))
eq_(True, default)
fantasy, default = Lane.gather_matching_genres(self._db,
[self.fantasy], True)
eq_(4, len(fantasy))
eq_(True, default)
fantasy, default = Lane.gather_matching_genres(self._db,
[self.fantasy], True,
[self.urban_fantasy])
eq_(3, len(fantasy))
eq_(True, default)
# If there are only exclude_genres available, then it and its
# subgenres are ignored while every OTHER genre is set.
genres, default = Lane.gather_matching_genres(self._db, [], True,
[self.fantasy])
eq_(False,
any([g for g in self.fantasy.self_and_subgenres if g in genres]))
# According to known fiction status, that is.
eq_(True, all([g.default_fiction == True for g in genres]))
# Attempting to create a contradiction (like nonfiction fantasy)
# will create a lane broad enough to actually contain books
fantasy, default = Lane.gather_matching_genres(self._db,
[self.fantasy], False)
eq_(4, len(fantasy))
eq_(Lane.BOTH_FICTION_AND_NONFICTION, default)
# Fantasy and history have conflicting fiction defaults, so
# although we can make a lane that contains both, we can't
# have it use the default value.
assert_raises(UndefinedLane, Lane.gather_matching_genres, self._db,
[self.fantasy, self.history],
Lane.FICTION_DEFAULT_FOR_GENRE)
