def test_match_optionals():
assert matches("a,b", "a,b||")
assert matches("a,b", "a,b|c|")
assert matches("a,b,c", "a,b|c|")
assert matches("a,b,c", "a,b|c,d|")
assert matches("a,b", "a,b|c|*")
assert not matches("a,b,d", "a,b|c|")
assert matches("a,b,d", "a,b|c|*")
assert matches("", "||")
assert not matches("a", "||")
def test_match_special_case():
assert not matches("", "||*")
assert not matches("a,b,c", "||*")
def test_match_caching():
assert matches("a,b", "a,b||")
assert matches("a,b", "a||*")
assert not matches("a,b", "c||*")
assert matches("a,b", "a||*")
assert not matches("a,b", "c||*")