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from graphql.pyutils import natural_comparison_key
key = natural_comparison_key
def describe_natural_compare():
def handles_empty_strings():
assert key("") < key("a")
assert key("") < key("1")
def handles_strings_of_different_length():
assert key("A") < key("AA")
assert key("A1") < key("A1A")
def handles_numbers():
assert key("1") < key("2")
assert key("2") < key("11")
def handles_numbers_with_leading_zeros():
assert key("0") < key("00")
assert key("02") < key("11")
assert key("011") < key("200")
def handles_numbers_embedded_into_names():
assert key("a0a") < key("a9a")
assert key("a00a") < key("a09a")
assert key("a0a1") < key("a0a9")
assert key("a10a11a") < key("a10a19a")
assert key("a10a11a") < key("a10a11b")
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