import unittest
class KeyValueStore(object):
''' A key-value store example '''
def __init__(self):
self._store = {}
def put(self, key, value):
''' Puts a value in the store '''
self._store[key] = value
def get(self, key):
''' Gets a value from the store by its key '''
return self._store.get(key)
class TestKeyValueStore(unittest.TestCase):
''' A unit test for KeyValueStore '''
def test_put(self):
''' Tests put '''
store = KeyValueStore()
store.put('black-box', 'testing')
self.assertEqual(store.get('black-box'), 'testing')
if __name__ == '__main__':
unittest.main()
