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TestNetflix.py
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TestNetflix.py
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#TestNetflix.py
#imports
from io import StringIO
from unittest import main, TestCase
from Netflix import netflix_read, netflix_predict, netflix_return, rmse, netflix_solve
#-----------
#TestNetflix
#-----------
class TestNetflix(TestCase):
#read
def test_read_1(self):
r = StringIO("13396")
movie = netflix_read(r)
self.assertEqual(movie, 13396)
def test_read_2(self):
r = StringIO("1234:\n432798")
customer = netflix_read(r)
self.assertEqual(customer, "1234:")
def test_read_3(self):
r = StringIO("6969:\n8008135")
customer = netflix_read(r)
self.assertEqual(customer, "6969:")
#predict, remember to add more tests
def test_predict(self):
rate = netflix_predict(10,70987)
self.assertEqual(rate, 3)
#return
def test_return(self):
w = StringIO()
netflix_return(w, 3)
self.assertEqual(w.getvalue(), "3\n")
#rmse
def test_rmse(self):
a = rmse([1,1,1], [2,2,2])
self.assertEqual(a, 1)
def test_rmse_2(self):
a = rmse([1,1,1], [1,1,1])
self.assertEqual(a, 0)
def test_rmse_3(self):
a = rmse([1.5,1.5,1.5], [2,2,2])
self.assertEqual(a, .5)
#solve
def test_solve(self):
r = StringIO("2048:\n13396\n987654\n456789")
w = StringIO()
netflix_solve(r, w)
self.assertEqual(w.getvalue(), "2048:\n3\n3\n3")
main()