def test_correct_weights_assigned(self):
output = frecency.score_items(self.input1, 600)
for key, value in self.output1.items():
self.assertAlmostEquals(value, output[key], places=10)
self.assertEquals(4, len(output))
output = frecency.score_items(self.input2, 600)
for key, value in self.output2.items():
self.assertAlmostEquals(value, output[key], places=10)
self.assertEquals(2, len(output))
output = frecency.score_items(self.input3, 600)
for key, value in self.output3.items():
self.assertAlmostEquals(value, output[key], places=10)
self.assertEquals(1, len(output))
def test_function_parameter(self):
def test_function(recencies, time_constant):
return 1
output1 = {
'site1': 1,
'site2': 1,
'site3': 1,
'site4': 1,
}
output2 = {
2: 1,
1: 1,
}
output3 = {
'site2': 1,
}
self.assertEquals(output1, frecency.score_items(self.input1,
600, test_function))
self.assertEquals(output2, frecency.score_items(self.input2,
600, test_function))
self.assertEquals(output3, frecency.score_items(self.input3,
600, test_function))
def test_empty_recencies_list_returns_zero(self):
self.assertEquals({3: 0}, frecency.score_items({3: []}, 600))
self.assertEquals(0, frecency.score_items({1: [2], 3: []},
600)[3])
self.assertEquals({2: 0}, frecency.score_items({2: []}, 0))
def test_empty_dict_returns_empty_dict(self):
self.assertEquals({}, frecency.score_items({}, 600))
self.assertEquals({}, frecency.score_items({}, 0))
self.assertEquals({}, frecency.score_items({}, -5))