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updated tests to check for unique genres and artists #6

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updated tests to check for unique genres and artists #6

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9 changes: 9 additions & 0 deletions lib/testing/song_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,13 +27,22 @@ def test_has_genres(self):
assert("Rap" in Song.genres)
assert("Pop" in Song.genres)
assert("Rock" in Song.genres)


def test_unique_genres(self):
'''all song genres are unique.'''
assert len(Song.genres) == len(set(Song.genres))

def test_has_artists(self):
'''keeps track of all Song artists.'''
assert("Jay Z" in Song.artists)
assert("Beyonce" in Song.artists)
assert("Hall and Oates" in Song.artists)

def test_unique_artists(self):
'''all song artists are unique.'''
assert len(Song.artists) == len(set(Song.artists))

def test_has_genre_count(self):
'''keeps count of Songs for each genre.'''
assert(Song.genre_count["Rap"] == 1)
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