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from graphql.pyutils import Path
def describe_path():
def can_create_a_path():
first = Path(None, 1, "First")
assert first.prev is None
assert first.key == 1
assert first.typename == "First"
def can_add_a_new_key_to_an_existing_path():
first = Path(None, 1, "First")
second = first.add_key("two", "Second")
assert second.prev is first
assert second.key == "two"
assert second.typename == "Second"
def can_convert_a_path_to_a_list_of_its_keys():
root = Path(None, 0, "Root")
assert root.as_list() == [0]
first = root.add_key("one", "First")
assert first.as_list() == [0, "one"]
second = first.add_key(2, "Second")
assert second.as_list() == [0, "one", 2]
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