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simple_trie_unittest.py
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simple_trie_unittest.py
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#!/usr/bin/python
from simple_trie import Trie
import unittest
class TrieTestEmpty(unittest.TestCase):
def testEmptyTrie(self):
self.simple_trie = Trie()
self.assertFalse(self.simple_trie.search(""))
class TrieTestDuplicates(unittest.TestCase):
def testDuplicateTrie(self):
self.simple_trie = Trie()
self.simple_trie.insert("aaaaaa")
self.simple_trie.insert("aaaaaa")
self.simple_trie.insert("aaaaaa")
self.simple_trie.insert("aaaaaa")
self.assertTrue(self.simple_trie.search("aaaaaa"))
self.assertTrue(self.simple_trie.has_prefix("aaa"))
self.assertFalse(self.simple_trie.has_prefix("c"))
self.assertTrue(self.simple_trie.has_prefix(""))
class TrieTest1(unittest.TestCase):
def setUp(self):
self.simple_trie = Trie()
self.simple_trie.insert("abcccc")
self.simple_trie.insert("efffddd")
self.simple_trie.insert("eff")
self.simple_trie.insert("efff")
self.simple_trie.insert("efffz")
def testSearch(self):
self.assertFalse(self.simple_trie.search("abcc"))
self.assertTrue(self.simple_trie.search("abcccc"))
self.assertTrue(self.simple_trie.search("efffddd"))
self.assertFalse(self.simple_trie.search("efffdd"))
def testStartsWithPrefix(self):
self.assertEqual(
self.simple_trie.starts_with_prefix("eff"),
['efff', 'efffz','efffddd'])
self.assertEqual(self.simple_trie.starts_with_prefix("xf"), [])
class TrieTestLeafNodeNum(unittest.TestCase):
def testLeafNodeNum1(self):
self.simple_trie = Trie()
self.simple_trie.insert("AK#Koyuk")
self.simple_trie.insert("AK#Koyukuk")
self.assertEqual(self.simple_trie.leaf_nodes_num, 1)
def testLeafNodeNum2(self):
self.simple_trie = Trie()
self.simple_trie.insert("")
self.simple_trie.insert("ssssssss")
self.simple_trie.insert("sss")
self.assertEqual(self.simple_trie.leaf_nodes_num, 1)
self.simple_trie.insert("ssssssssssssssss")
self.assertEqual(self.simple_trie.leaf_nodes_num, 1)
self.simple_trie.insert("aaaassssssssssssssss")
self.assertEqual(self.simple_trie.leaf_nodes_num, 2)
def testLeafNodeNum3(self):
self.simple_trie = Trie()
self.simple_trie.insert("aaaaaa")
self.simple_trie.insert("aaaaaa")
self.assertEqual(self.simple_trie.leaf_nodes_num, 1)
if __name__ == "__main__":
unittest.main()