def test1(self):
trie = da.DoubleArray(verbose=False)
trie.initialize(["cat"])
self.assertEqual(trie.N, 4)
self.assertTrue(trie.get("ca") is None)
self.assertTrue(trie.get("xxx") is None)
self.assertEqual(trie.get("cat"), 0)
def test2(self):
trie = da.DoubleArray()
trie.initialize(["cat", "dog"])
self.assertEqual(trie.N, 7)
self.assertTrue(trie.get("ca") is None)
self.assertTrue(trie.get("xxx") is None)
self.assertEqual(trie.get("cat"), 0)
self.assertEqual(trie.get("dog"), 1)
def test3(self):
trie = da.DoubleArray(verbose=False)
trie.initialize(["ca", "cat", "deer", "dog", "fox", "rat"])
self.assertEqual(trie.N, 17)
self.assertTrue(trie.get("c") is None)
self.assertEqual(trie.get("ca"), 0)
self.assertEqual(trie.get("cat"), 1)
self.assertEqual(trie.get("deer"), 2)
self.assertEqual(trie.get("dog"), 3)
self.assertTrue(trie.get("xxx") is None)
def test5(self):
trie = da.DoubleArray(verbose=False)
trie.initialize(["ca", "cat", "deer", "dog", "fox", "rat"])
r = trie.extract_features("")
self.assertEqual(len(r), 0)
r = trie.extract_features("cat")
self.assertEqual(len(r), 2)
self.assertEqual(r[0], 1)
self.assertEqual(r[1], 1)
r = trie.extract_features("deerat")
self.assertEqual(len(r), 2)
self.assertEqual(r[2], 1)
self.assertEqual(r[5], 1)
def test4(self):
trie = da.DoubleArray()
self.assertRaises(Exception, trie.initialize, ["cat", "ant"])
def generate_doublearray(file_to_save, features):
trie = da.DoubleArray()
trie.initialize(features)
trie.save(file_to_save)
def load_da(self):
trie = da.DoubleArray()
trie.load(self.doublearray)
return trie