def test_basic_pattern_matching():
# ( -a N [ -x Z ] )
pattern = Required(Option('a'), Argument('N'),
Optional(Option('x'), Argument('Z')))
# -a N
assert pattern.match([Option('a'), Argument(None, 9)]) == (
True, [], [Argument('N', 9)])
# -a -x N Z
assert pattern.match([Option('a'), Option('x'),
Argument(None, 9), Argument(None, 5)]) == (
True, [], [Argument('N', 9), Argument('Z', 5)])
# -x N Z # BZZ!
assert pattern.match([Option('x'),
Argument(None, 9),
Argument(None, 5)]) == (
False, [Option('x'),
Argument(None, 9),
Argument(None, 5)], [])
def test_pattern_any_option():
pattern = AnyOptions()
assert pattern.match([Option('a')]) == (True, [], [])
assert pattern.match([Option('b')]) == (True, [], [])
assert pattern.match([Option('l', 'long')]) == (True, [], [])
assert pattern.match([Option(None, 'long')]) == (True, [], [])
assert pattern.match([Option('a'), Option('b')]) == (True, [], [])
assert pattern.match([Option('a'), Option(None, 'long')]) == (True, [], [])
assert not pattern.match([Argument('N')])[0]
