def test_iteration(config_dict):
config = ConfigNode(config_dict)
for iter_key, key, value, item in zip(config, config.keys(),
config.values(), config.items()):
item_key, item_value = item
assert iter_key == key
assert item_key == key
assert item_value == value
assert config.get(key) == value
def test_items(config_dict):
config = ConfigNode(config_dict)
items = list(config.items())
expected_items = [("key1", 1), ("key2.key3", 3), ("key2.key4.key5", 5),
("key2.key6", 6), ("key7", 7)]
assert items == expected_items