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")
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(""))
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)
from simple_trie import Trie
# create a trie from city name only
us_city_names_trie = Trie()
total_us_city_names = 0
with open("./city_names") as f:
for line in f:
total_us_city_names += 1
us_city_names_trie.insert(line)
print "total city: %d; total leaf nodes: %d" % (total_us_city_names, us_city_names_trie.leaf_nodes_num)
# create a trie from city name, but with state name as a prefix
us_state_city_names_trie = Trie()
total_us_state_city_names = 0
with open("./state_city_names") as f:
for line in f:
total_us_state_city_names += 1
us_state_city_names_trie.insert(line.strip())
print "total state city: %d; total leaf nodes: %d" % (total_us_state_city_names, us_state_city_names_trie.leaf_nodes_num)
# create a trie from city name, but with state name as a postfix
us_city_state_names_trie = Trie()
def testEmptyTrie(self):
self.simple_trie = Trie()
self.assertFalse(self.simple_trie.search(""))
class TrieTestEmpty(unittest.TestCase):
def testEmptyTrie(self):
self.simple_trie = Trie()
self.assertFalse(self.simple_trie.search(""))
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)
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)
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"), [])