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#273: Remove nose dependency for graphs_trees/ (#277)

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This commit is contained in:
Donne Martin
2020-07-10 21:02:32 -04:00
committed by GitHub
parent 139e157250
commit abf7524c26
67 changed files with 860 additions and 1027 deletions
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30
graphs_trees/trie/test_trie.py
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@@ -1,8 +1,7 @@
from nose.tools import assert_true
from nose.tools import raises
import unittest
class TestTrie(object):
class TestTrie(unittest.TestCase):
def test_trie(self):
trie = Trie()
@@ -13,7 +12,7 @@ class TestTrie(object):
for word in words:
trie.insert(word)
for word in trie.list_words():
assert_true(trie.find(word) is not None)
self.assertTrue(trie.find(word) is not None)
print('Test: Remove me')
trie.remove('me')
@@ -21,9 +20,9 @@ class TestTrie(object):
words = ['a', 'at', 'has', 'hat', 'he',
'men', 'mens', 'met']
for word in words:
assert_true(trie.find(word) is not None)
self.assertTrue(trie.find(word) is not None)
for word in words_removed:
assert_true(trie.find(word) is None)
self.assertTrue(trie.find(word) is None)
print('Test: Remove mens')
trie.remove('mens')
@@ -31,9 +30,9 @@ class TestTrie(object):
words = ['a', 'at', 'has', 'hat', 'he',
'men', 'met']
for word in words:
assert_true(trie.find(word) is not None)
self.assertTrue(trie.find(word) is not None)
for word in words_removed:
assert_true(trie.find(word) is None)
self.assertTrue(trie.find(word) is None)
print('Test: Remove a')
trie.remove('a')
@@ -41,9 +40,9 @@ class TestTrie(object):
words = ['at', 'has', 'hat', 'he',
'men', 'met']
for word in words:
assert_true(trie.find(word) is not None)
self.assertTrue(trie.find(word) is not None)
for word in words_removed:
assert_true(trie.find(word) is None)
self.assertTrue(trie.find(word) is None)
print('Test: Remove has')
trie.remove('has')
@@ -51,24 +50,23 @@ class TestTrie(object):
words = ['at', 'hat', 'he',
'men', 'met']
for word in words:
assert_true(trie.find(word) is not None)
self.assertTrue(trie.find(word) is not None)
for word in words_removed:
assert_true(trie.find(word) is None)
self.assertTrue(trie.find(word) is None)
print('Success: test_trie')
@raises(Exception)
def test_trie_remove_invalid(self):
print('Test: Remove from empty trie')
trie = Trie()
assert_true(trie.remove('foo') is None)
self.assertTrue(trie.remove('foo') is None)
def main():
test = TestTrie()
test.test_trie()
test.test_trie_remove_invalid()
test.assertRaises(KeyError, test.test_trie_remove_invalid)
if __name__ == '__main__':
main()
main()