def test_roundtrip(self):
for i in range(100):
sub = util.generate_subsession()
dump = util.dump_subsession(sub)
assert util.issubsession(dump)
parsed = util.parse_subsession(dump)
assert sub == parsed
def test_invalid(self):
py.test.raises(TypeError, util.issubsession, None)
py.test.raises(TypeError, util.issubsession, 10)
assert not util.issubsession('invalid')
