def test_writes_new_keys_and_keeps_old(self):
old = {'a': 1}
new = {
'b': 2
}
recursive_update(old, new)
self.assertIn('a', old)
self.assertIn('b', old)
def test_overwrites_old_values(self):
old = {
'a': 1,
'b': 'abc'
}
new = {
'a': 2,
'b': 'xyz'
}
recursive_update(old, new)
self.assertEqual(old, new)
def test_extends_lists(self):
old = {
'list1': [1,2,3],
'list2': ['a','b']
}
new = {
'list1': [4,5,6],
'list2': ('c','d')
}
recursive_update(old, new)
self.assertEqual(old['list1'], [1,2,3,4,5,6])
self.assertEqual(old['list2'], ['a','b','c','d'])
def test_updates_dicts(self):
old = {'dict': {
'a': 1,
'b': 2
}}
new = {'dict': {
'a': 3,
'c': 1
}}
recursive_update(old, new)
self.assertEqual(old['dict']['a'], 3)
self.assertEqual(old['dict']['b'], 2)
self.assertEqual(old['dict']['c'], 1)
def test_updates_dicts_recursive(self):
old = {'dict1': {'dict2': {'foo': 'bar'}}}
new = {'dict1': {'dict2': {'a': 1}, 'dict3': {'b': 2}}}
recursive_update(old, new)
self.assertEqual(sorted(list(old['dict1'].keys())), sorted(['dict2', 'dict3']))
self.assertEqual(old['dict1']['dict2'], {'foo': 'bar', 'a': 1})