def test_search_right(self):
        trie = CCNxTrie()

        trie.insert("abcd", "foo")
        trie.insert("abe", "egg")

        test = trie.search("abe")
        self.assertTrue(test == "egg")
    def test_search_left(self):
        trie = CCNxTrie()

        trie.insert("abcd", "foo")
        trie.insert("aba", "apple")

        test = trie.search("aba")
        self.assertTrue(test == "apple")
    def test_search(self):
        trie = CCNxTrie()

        value = "foo"
        trie.insert("abcd", value)

        test = trie.search("abcd")
        self.assertTrue(test == value)
    def test_search_too_long(self):
        trie = CCNxTrie()
        trie.insert("abcd", "foo")

        test = trie.search("abcde")
        self.assertTrue(test == None)