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import codecs
import pytest
from netlib import websockets
class TestMasker():
@pytest.mark.parametrize("input,expected", [
([b"a"], '00'),
([b"four"], '070d1616'),
([b"fourf"], '070d161607'),
([b"fourfive"], '070d1616070b1501'),
([b"a", b"aasdfasdfa", b"asdf"], '000302170504021705040205120605'),
([b"a" * 50, b"aasdfasdfa", b"asdf"], '00030205000302050003020500030205000302050003020500030205000302050003020500030205000302050003020500030205120605051206050500110702'), # noqa
])
def test_masker(self, input, expected):
m = websockets.Masker(b"abcd")
data = b"".join([m(t) for t in input])
assert data == codecs.decode(expected, 'hex')
data = websockets.Masker(b"abcd")(data)
assert data == b"".join(input)
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