def test_document_len(self):
bag1 = BagOfWords("cat dog cow fish cat cat fish")
bag2 = BagOfWords("dog grape banana peach")
self.assertEqual(bag1.document_len(), 7)
self.assertEqual(bag2.document_len(), 4)
self.assertEqual(bag1.intersection(bag2).document_len(), 1)
self.assertEqual(bag1.union(bag2).document_len(), 11)
def test_union(self):
bag1 = BagOfWords("cat dog cow fish cat cat fish")
bag2 = BagOfWords("dog grape banana peach")
self.assertDictEqual(
bag1.union(bag2).values, {
"banana": 1,
"cat": 3,
"cow": 1,
"dog": 2,
"fish": 2,
"grape": 1,
"peach": 1
})