def test_predict_3(self):
"""
Predicts a customer id
"""
arg1 = 2488120
arg2 = 1
result = predict_rating(arg1, arg2)
self.assertEqual(result, 4.2)
def test_predict_2(self):
"""
Predicts a customer id
"""
arg1 = 2647871
arg2 = 1
result = predict_rating(arg1, arg2)
self.assertEqual(result, 3.4)
def test_predict_1(self):
"""
Predicts a customer id
"""
arg1 = 30878
arg2 = 1
result = predict_rating(arg1, arg2)
self.assertEqual(result, 3.6)
def test_predict_rating_2(self):
"""Test 2 of predict_rating() tests for expected rating prediction"""
# load all caches necessary for testing
with open('/u/downing/public_html/netflix-cs373/cat3238-years.p',
'rb') as year_cache:
movie_years = pickle.load(year_cache)
with open('/u/downing/public_html/netflix-cs373/cat3238-customer.p',
'rb') as cust_cache:
customer_year_ratings = pickle.load(cust_cache)
with open('/u/downing/public_html/netflix-cs373/cat3238-movie.p',
'rb') as movie_cache:
movie_ratings = pickle.load(movie_cache)
movie_id, customer_id = 1, 30878
rating = predict_rating(movie_id, customer_id, movie_years,
movie_ratings, customer_year_ratings)
self.assertEqual(rating, 4.2)
def test_predict_rating_3(self):
"""Test 3 of predict_rating() tests for another user of previously tested movie"""
# load all caches necessary for testing
with open('/u/downing/public_html/netflix-cs373/cat3238-years.p',
'rb') as year_cache:
movie_years = pickle.load(year_cache)
with open('/u/downing/public_html/netflix-cs373/cat3238-customer.p',
'rb') as cust_cache:
customer_year_ratings = pickle.load(cust_cache)
with open('/u/downing/public_html/netflix-cs373/cat3238-movie.p',
'rb') as movie_cache:
movie_ratings = pickle.load(movie_cache)
movie_id, customer_id = 9150, 599993
rating = predict_rating(movie_id, customer_id, movie_years,
movie_ratings, customer_year_ratings)
self.assertEqual(rating, 3.9)
def test_predict_3(self):
""" test predict_rating """
d_path = "http://www.cs.utexas.edu/users/downing/netflix-cs373/"
cust_avg_url = d_path + "aji272-CustAverage.pickle"
movie_avg_url = d_path + "aji272-MovieAverage.pickle"
year_avg_url = d_path + "aji272-YearAverage.pickle"
actual_probe_url = d_path + "aji272-Actual.pickle"
customer_ave = pickle.load(urllib.request.urlopen(cust_avg_url))
movie_ave = pickle.load(urllib.request.urlopen(movie_avg_url))
year_ave = pickle.load(urllib.request.urlopen(year_avg_url))
# with open('ActualRatings.p', 'rb') as actual_file:
# actual_averages = pickle.load(actual_file)
actual_averages = pickle.load(urllib.request.urlopen(actual_probe_url))
self.assertEqual(
predict_rating(1892654, 10005, movie_ave, customer_ave, year_ave,
actual_averages), 3.9747000000000003)
def test_predict_rating_3(self):
rating = predict_rating(3, 6, 3)
self.assertEqual(rating, 4)
def test_predict_rating_2(self):
rating = predict_rating(10, 1, 1)
self.assertEqual(rating, 4)
def test_predict_rating_1(self):
rating = predict_rating(1, 4, 4)
self.assertEqual(rating, 3)