Graphs and tables for your Spotify account.
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from django.test import TestCase
from api.models import Track, Genre, Artist
from login.models import User
from api import utils
import math
import pprint
class GenreDataTestCase(TestCase):
def setUp(self):
test_user = User.objects.create(id="chrisshi", refresh_token="blah", access_token="blah",
access_expires_in=10)
genre = Genre.objects.create(name="classical", num_songs=3)
artist_1 = Artist.objects.create(id='art1', name="Beethoven")
artist_2 = Artist.objects.create(id='art2', name="Mozart")
artist_3 = Artist.objects.create(id='art3', name='Chopin')
track_1 = Track.objects.create(id='track1', year=2013,
popularity=5, runtime=20,
name='concerto1',
genre=genre)
track_1.users.add(test_user)
track_1.artists.add(artist_1)
track_1.artists.add(artist_2)
track_2 = Track.objects.create(id='track2', year=2013,
popularity=5, runtime=20,
name='concerto2',
genre=genre)
track_2.users.add(test_user)
track_2.artists.add(artist_2)
track_2.artists.add(artist_3)
track_2.artists.add(artist_1)
track_3 = Track.objects.create(id='track3', year=2013,
popularity=5, runtime=20,
name='concerto3',
genre=genre)
track_3.users.add(test_user)
track_3.artists.add(artist_1)
track_3.artists.add(artist_3)
def test_get_artist_counts_in_genre(self):
test_user = User.objects.get(id='chrisshi')
artist_counts = utils.get_artists_in_genre(test_user, 'classical', 10)
# pprint.pprint(artist_counts)
self.assertTrue(math.isclose(artist_counts['Beethoven'], 1.3, rel_tol=0.05))
self.assertTrue(math.isclose(artist_counts['Mozart'], 0.85, rel_tol=0.05))
self.assertTrue(math.isclose(artist_counts['Chopin'], 0.85, rel_tol=0.05))
self.assertTrue(math.isclose(sum(artist_counts.values()), 3, rel_tol=0.01))