class TestTrie(unittest.TestCase): def setUp(self): self.words = 'an ant all allot alloy aloe are ate be'.split() self.trie = SortedStringTrie(zip(self.words, range(len(self.words)))) def test_longest_prefix(self): self.assertEqual(self.trie.longest_prefix('antonym'), 'ant') self.assertEqual(self.trie.longest_prefix('are'), 'are') self.assertEqual(self.trie.longest_prefix('alla'), 'all') self.assertEqual(self.trie.longest_prefix('allo'), 'all') self.assertRaises(KeyError, self.trie.longest_prefix_item, 'alumni') self.assertEqual(self.trie.longest_prefix('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix('linux', default=-1), -1) def test_longest_prefix_value(self): self.assertEqual(self.trie.longest_prefix_value('antonym'), 1) self.assertEqual(self.trie.longest_prefix_value('are'), 6) self.assertEqual(self.trie.longest_prefix_value('alla'), 2) self.assertEqual(self.trie.longest_prefix_value('allo'), 2) self.assertRaises(KeyError, self.trie.longest_prefix_value, 'alumni') self.assertEqual( self.trie.longest_prefix_value('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix_value('linux', default=-1), -1) def test_longest_prefix_item(self): self.assertEqual(self.trie.longest_prefix_item('antonym'), ('ant', 1)) self.assertEqual(self.trie.longest_prefix_item('are'), ('are', 6)) self.assertEqual(self.trie.longest_prefix_item('alla'), ('all', 2)) self.assertEqual(self.trie.longest_prefix_item('allo'), ('all', 2)) self.assertRaises(KeyError, self.trie.longest_prefix_item, 'alumni') self.assertEqual(self.trie.longest_prefix_item('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix_item('linux', default=-1), -1) def test_iter_prefixes(self): self.assertEqual(list(self.trie.iter_prefixes('antonym')), ['an', 'ant']) self.assertEqual(list(self.trie.iter_prefixes('are')), ['are']) self.assertEqual(list(self.trie.iter_prefixes('alumni')), []) def test_iter_prefix_values(self): self.assertEqual(list(self.trie.iter_prefix_values('antonym')), [0, 1]) self.assertEqual(list(self.trie.iter_prefix_values('are')), [6]) self.assertEqual(list(self.trie.iter_prefix_values('alumni')), []) def test_iter_prefix_items(self): self.assertEqual(list(self.trie.iter_prefix_items('antonym')), [('an', 0), ('ant', 1)]) self.assertEqual(list(self.trie.iter_prefix_items('are')), [('are', 6)]) self.assertEqual(list(self.trie.iter_prefix_items('alumni')), []) def test_keys_wprefix(self): self.assertEqual(self.trie.keys('al'), ['all', 'allot', 'alloy', 'aloe']) self.assertEqual(self.trie.keys('are'), ['are']) self.assertEqual(self.trie.keys('ann'), []) def test_values_wprefix(self): self.assertEqual(self.trie.values('al'), [2, 3, 4, 5]) self.assertEqual(self.trie.values('are'), [6]) self.assertEqual(self.trie.values('ann'), []) def test_items_wprefix(self): self.assertEqual(self.trie.items('al'), [('all', 2), ('allot', 3), ('alloy', 4), ('aloe', 5)]) self.assertEqual(self.trie.items('are'), [('are', 6)]) self.assertEqual(self.trie.items('ann'), []) def test_consistency_wprefix(self): t = self.trie for prefix in 'al', 'are', 'ann': self.assertEqual(t.items(prefix), zip(t.keys(prefix), t.values(prefix))) def test_pickle(self): from pickle import dumps, loads, HIGHEST_PROTOCOL for proto in xrange(HIGHEST_PROTOCOL): unpickled = loads(dumps(self.trie, proto)) self.assertEqual(self.trie, unpickled) self.assert_(type(self.trie) is type(unpickled)) self.assert_(self.trie is not unpickled) def test_repr(self): evaled = eval(repr(self.trie)) self.assertEqual(evaled, self.trie) self.assertEqual(evaled.__class__, self.trie.__class__)
class TestTrie(unittest.TestCase): def setUp(self): self.words = "an ant all allot alloy aloe are ate be".split() self.trie = SortedStringTrie(zip(self.words, range(len(self.words)))) def test_longest_prefix(self): self.assertEqual(self.trie.longest_prefix("antonym"), "ant") self.assertEqual(self.trie.longest_prefix("are"), "are") self.assertEqual(self.trie.longest_prefix("alla"), "all") self.assertEqual(self.trie.longest_prefix("allo"), "all") self.assertRaises(KeyError, self.trie.longest_prefix_item, "alumni") self.assertEqual(self.trie.longest_prefix("alumni", default=None), None) self.assertEqual(self.trie.longest_prefix("linux", default=-1), -1) def test_longest_prefix_value(self): self.assertEqual(self.trie.longest_prefix_value("antonym"), 1) self.assertEqual(self.trie.longest_prefix_value("are"), 6) self.assertEqual(self.trie.longest_prefix_value("alla"), 2) self.assertEqual(self.trie.longest_prefix_value("allo"), 2) self.assertRaises(KeyError, self.trie.longest_prefix_value, "alumni") self.assertEqual(self.trie.longest_prefix_value("alumni", default=None), None) self.assertEqual(self.trie.longest_prefix_value("linux", default=-1), -1) def test_longest_prefix_item(self): self.assertEqual(self.trie.longest_prefix_item("antonym"), ("ant", 1)) self.assertEqual(self.trie.longest_prefix_item("are"), ("are", 6)) self.assertEqual(self.trie.longest_prefix_item("alla"), ("all", 2)) self.assertEqual(self.trie.longest_prefix_item("allo"), ("all", 2)) self.assertRaises(KeyError, self.trie.longest_prefix_item, "alumni") self.assertEqual(self.trie.longest_prefix_item("alumni", default=None), None) self.assertEqual(self.trie.longest_prefix_item("linux", default=-1), -1) def test_iter_prefixes(self): self.assertEqual(list(self.trie.iter_prefixes("antonym")), ["an", "ant"]) self.assertEqual(list(self.trie.iter_prefixes("are")), ["are"]) self.assertEqual(list(self.trie.iter_prefixes("alumni")), []) def test_iter_prefix_values(self): self.assertEqual(list(self.trie.iter_prefix_values("antonym")), [0, 1]) self.assertEqual(list(self.trie.iter_prefix_values("are")), [6]) self.assertEqual(list(self.trie.iter_prefix_values("alumni")), []) def test_iter_prefix_items(self): self.assertEqual(list(self.trie.iter_prefix_items("antonym")), [("an", 0), ("ant", 1)]) self.assertEqual(list(self.trie.iter_prefix_items("are")), [("are", 6)]) self.assertEqual(list(self.trie.iter_prefix_items("alumni")), []) def test_keys_wprefix(self): self.assertEqual(self.trie.keys("al"), ["all", "allot", "alloy", "aloe"]) self.assertEqual(self.trie.keys("are"), ["are"]) self.assertEqual(self.trie.keys("ann"), []) def test_values_wprefix(self): self.assertEqual(self.trie.values("al"), [2, 3, 4, 5]) self.assertEqual(self.trie.values("are"), [6]) self.assertEqual(self.trie.values("ann"), []) def test_items_wprefix(self): self.assertEqual(self.trie.items("al"), [("all", 2), ("allot", 3), ("alloy", 4), ("aloe", 5)]) self.assertEqual(self.trie.items("are"), [("are", 6)]) self.assertEqual(self.trie.items("ann"), []) def test_consistency_wprefix(self): t = self.trie for prefix in "al", "are", "ann": self.assertEqual(t.items(prefix), zip(t.keys(prefix), t.values(prefix))) def test_pickle(self): from pickle import dumps, loads, HIGHEST_PROTOCOL for proto in xrange(HIGHEST_PROTOCOL): unpickled = loads(dumps(self.trie, proto)) self.assertEqual(self.trie, unpickled) self.assert_(type(self.trie) is type(unpickled)) self.assert_(self.trie is not unpickled) def test_repr(self): evaled = eval(repr(self.trie)) self.assertEqual(evaled, self.trie) self.assertEqual(evaled.__class__, self.trie.__class__)
class TestTrie(unittest.TestCase): def setUp(self): self.words = 'an ant all allot alloy aloe are ate be'.split() self.trie = SortedStringTrie(zip(self.words, range(len(self.words)))) def test_longest_prefix(self): self.assertEqual(self.trie.longest_prefix('antonym'), 'ant') self.assertEqual(self.trie.longest_prefix('are'), 'are') self.assertEqual(self.trie.longest_prefix('alla'), 'all') self.assertEqual(self.trie.longest_prefix('allo'), 'all') self.assertRaises(KeyError, self.trie.longest_prefix_item, 'alumni') self.assertEqual(self.trie.longest_prefix('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix('linux', default=-1), -1) def test_longest_prefix_value(self): self.assertEqual(self.trie.longest_prefix_value('antonym'), 1) self.assertEqual(self.trie.longest_prefix_value('are'), 6) self.assertEqual(self.trie.longest_prefix_value('alla'), 2) self.assertEqual(self.trie.longest_prefix_value('allo'), 2) self.assertRaises(KeyError, self.trie.longest_prefix_value, 'alumni') self.assertEqual(self.trie.longest_prefix_value('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix_value('linux', default=-1), -1) def test_longest_prefix_item(self): self.assertEqual(self.trie.longest_prefix_item('antonym'), ('ant', 1)) self.assertEqual(self.trie.longest_prefix_item('are'), ('are', 6)) self.assertEqual(self.trie.longest_prefix_item('alla'), ('all', 2)) self.assertEqual(self.trie.longest_prefix_item('allo'), ('all', 2)) self.assertRaises(KeyError, self.trie.longest_prefix_item, 'alumni') self.assertEqual(self.trie.longest_prefix_item('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix_item('linux', default=-1), -1) def test_iter_prefixes(self): self.assertEqual(list(self.trie.iter_prefixes('antonym')), ['an', 'ant']) self.assertEqual(list(self.trie.iter_prefixes('are')), ['are']) self.assertEqual(list(self.trie.iter_prefixes('alumni')), []) def test_iter_prefix_values(self): self.assertEqual(list(self.trie.iter_prefix_values('antonym')), [0, 1]) self.assertEqual(list(self.trie.iter_prefix_values('are')), [6]) self.assertEqual(list(self.trie.iter_prefix_values('alumni')), []) def test_iter_prefix_items(self): self.assertEqual(list(self.trie.iter_prefix_items('antonym')), [('an', 0), ('ant', 1)]) self.assertEqual(list(self.trie.iter_prefix_items('are')), [('are', 6)]) self.assertEqual(list(self.trie.iter_prefix_items('alumni')), []) def test_keys_wprefix(self): self.assertEqual(self.trie.keys('al'), ['all','allot','alloy','aloe']) self.assertEqual(self.trie.keys('are'), ['are']) self.assertEqual(self.trie.keys('ann'), []) def test_values_wprefix(self): self.assertEqual(self.trie.values('al'), [2,3,4,5]) self.assertEqual(self.trie.values('are'), [6]) self.assertEqual(self.trie.values('ann'), []) def test_items_wprefix(self): self.assertEqual(self.trie.items('al'), [('all',2),('allot',3),('alloy',4),('aloe',5)]) self.assertEqual(self.trie.items('are'), [('are',6)]) self.assertEqual(self.trie.items('ann'), []) def test_consistency_wprefix(self): t = self.trie for prefix in 'al','are','ann': self.assertEqual( t.items(prefix), list(zip(t.keys(prefix), t.values(prefix))) ) def test_pickle(self): from pickle import dumps, loads, HIGHEST_PROTOCOL for proto in range(HIGHEST_PROTOCOL): unpickled = loads(dumps(self.trie, proto)) self.assertEqual(self.trie, unpickled) self.assertTrue(type(self.trie) is type(unpickled)) self.assertTrue(self.trie is not unpickled) def test_repr(self): evaled = eval(repr(self.trie)) self.assertEqual(evaled, self.trie) self.assertEqual(evaled.__class__, self.trie.__class__)
class TestTrie(unittest.TestCase): def setUp(self): """ 测试前准备环境的搭建(setUp) :return: """ self.words = 'an ant all allot alloy aloe are ate be'.split() self.trie = SortedStringTrie(zip(self.words, range(len(self.words)))) def test_longest_prefix(self): """ 定义了以'test'开头的方法, 即是一个测试用例 :return: """ self.assertEqual(self.trie.longest_prefix('antonym'), 'ant') self.assertEqual(self.trie.longest_prefix('are'), 'are') self.assertEqual(self.trie.longest_prefix('alla'), 'all') self.assertEqual(self.trie.longest_prefix('allo'), 'all') self.assertRaises(KeyError, self.trie.longest_prefix_item, 'alumni') self.assertEqual(self.trie.longest_prefix('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix('linux', default=-1), -1) def test_longest_prefix_value(self): self.assertEqual(self.trie.longest_prefix_value('antonym'), 1) self.assertEqual(self.trie.longest_prefix_value('are'), 6) self.assertEqual(self.trie.longest_prefix_value('alla'), 2) self.assertEqual(self.trie.longest_prefix_value('allo'), 2) self.assertRaises(KeyError, self.trie.longest_prefix_value, 'alumni') self.assertEqual(self.trie.longest_prefix_value('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix_value('linux', default=-1), -1) def test_longest_prefix_item(self): self.assertEqual(self.trie.longest_prefix_item('antonym'), ('ant', 1)) self.assertEqual(self.trie.longest_prefix_item('are'), ('are', 6)) self.assertEqual(self.trie.longest_prefix_item('alla'), ('all', 2)) self.assertEqual(self.trie.longest_prefix_item('allo'), ('all', 2)) self.assertRaises(KeyError, self.trie.longest_prefix_item, 'alumni') self.assertEqual(self.trie.longest_prefix_item('alumni', default=None), None) self.assertEqual(self.trie.longest_prefix_item('linux', default=-1), -1) def test_iter_prefixes(self): self.assertEqual(list(self.trie.iter_prefixes('antonym')), ['an', 'ant']) self.assertEqual(list(self.trie.iter_prefixes('are')), ['are']) self.assertEqual(list(self.trie.iter_prefixes('alumni')), []) def test_iter_prefix_values(self): self.assertEqual(list(self.trie.iter_prefix_values('antonym')), [0, 1]) self.assertEqual(list(self.trie.iter_prefix_values('are')), [6]) self.assertEqual(list(self.trie.iter_prefix_values('alumni')), []) def test_iter_prefix_items(self): self.assertEqual(list(self.trie.iter_prefix_items('antonym')), [('an', 0), ('ant', 1)]) self.assertEqual(list(self.trie.iter_prefix_items('are')), [('are', 6)]) self.assertEqual(list(self.trie.iter_prefix_items('alumni')), []) def test_keys_wprefix(self): self.assertEqual(self.trie.keys('al'), ['all', 'allot', 'alloy', 'aloe']) self.assertEqual(self.trie.keys('are'), ['are']) self.assertEqual(self.trie.keys('ann'), []) def test_values_wprefix(self): self.assertEqual(self.trie.values('al'), [2, 3, 4, 5]) self.assertEqual(self.trie.values('are'), [6]) self.assertEqual(self.trie.values('ann'), []) def test_items_wprefix(self): self.assertEqual(self.trie.items('al'), [('all', 2), ('allot', 3), ('alloy', 4), ('aloe', 5)]) self.assertEqual(self.trie.items('are'), [('are', 6)]) self.assertEqual(self.trie.items('ann'), []) def test_consistency_wprefix(self): trie = self.trie for prefix in 'al', 'are', 'ann': self.assertEqual( trie.items(prefix), list(zip(trie.keys(prefix), trie.values(prefix))) ) def test_empty_string(self): self.trie[''] = '!' self.assertEqual(self.trie.keys(''), ['', 'all', 'allot', 'alloy', 'aloe', 'an', 'ant', 'are', 'ate', 'be']) self.assertEqual(self.trie.values(''), ['!', 2, 3, 4, 5, 0, 1, 6, 7, 8]) self.assertEqual(self.trie.items(''), [('', '!'), ('all', 2), ('allot', 3), ('alloy', 4), ('aloe', 5), ('an', 0), ('ant', 1), ('are', 6), ('ate', 7), ('be', 8)]) self.assertEqual(list(self.trie.iter_prefixes('foo')), ['']) self.assertEqual(list(self.trie.iter_prefix_values('foo')), ['!']) self.assertEqual(list(self.trie.iter_prefix_items('foo')), [('', '!')]) self.assertEqual(self.trie.longest_prefix('foo'), '') self.assertEqual(self.trie.longest_prefix_value('foo'), '!') self.assertEqual(self.trie.longest_prefix_item('foo'), ('', '!')) def test_pickle(self): from pickle import dumps, loads, HIGHEST_PROTOCOL for proto in range(HIGHEST_PROTOCOL): unpickled = loads(dumps(self.trie, proto)) self.assertEqual(self.trie, unpickled) self.assertTrue(type(self.trie) is type(unpickled)) self.assertTrue(self.trie is not unpickled) def test_repr(self): evaled = eval(repr(self.trie)) self.assertEqual(evaled, self.trie) self.assertEqual(evaled.__class__, self.trie.__class__)