def test_recommended_items(self):
calculate_similar_items(RatedItem.objects.all())
# failure
result = recommended_items(RatedItem.objects.all(), self.user_g)
r1, r2, r3 = result
self.assertEqual(str(r1[0])[:5], '3.610')
self.assertEqual(r1[1], self.food_a)
self.assertEqual(str(r2[0])[:5], '3.531')
self.assertEqual(r2[1], self.food_f)
self.assertEqual(str(r3[0])[:5], '2.960')
self.assertEqual(r3[1], self.food_c)
result = recommended_items(RatedItem.objects.all(), self.user_c)
r1, r2 = result
self.assertEqual(str(r1[0])[:5], '2.287')
self.assertEqual(r1[1], self.food_c)
self.assertEqual(str(r2[0])[:5], '2.084')
self.assertEqual(r2[1], self.food_e)
def recommended_items(self, user):
return recommended_items(self.all(), user)
def recommended_items(self, user):
return recommended_items(self.all(), user)