def test_is_allstation1(chunk1):
"""test frame generated with unicast/allstation address for having one"""
iframe = IFrame()
iframe.parse_address(chunk1)
assert iframe.is_allstation() is True
def test_is_allstation3(chunk2):
""""given a no-station address, testing is_allstation should yield False"""
iframe = IFrame()
iframe.parse_address(chunk2)
assert iframe.is_allstation() is False
def test_parse_address7():
"""unstripped input, 4 bytes, invalid closing flags"""
iframe = IFrame()
with pytest.raises(ValueError):
iframe.parse_address(b'\x7e\x00\x00\x42')
def test_parse_address9(chunk4):
"""parse I-frame control field with 1 byte address"""
iframe = IFrame()
iframe.parse_address(chunk4)
def test_parse_address4():
"""stripped input: just two zero-bytes"""
iframe = IFrame()
with pytest.raises(ValueError):
iframe.parse_address(bytes(2))
def test_parse_address6():
"""unstripped input, 4 bytes, invalid opening flags"""
iframe = IFrame()
with pytest.raises(ValueError):
iframe.parse_address(b'\x23\x00\x00\x7e')
def test_parse_address3():
"""test for too short bytearray """
iframe = IFrame()
with pytest.raises(TypeError):
iframe.parse_address(bytearray(1))
def test_parse_address2():
"""test for rejecting float input"""
iframe = IFrame()
with pytest.raises(TypeError):
iframe.parse_address(2.3)
def test_is_nostation3(chunk2):
"""parsing a no-station address should return True in is_nostation()"""
iframe = IFrame()
iframe.parse_address(chunk2)
assert iframe.is_nostation() is True
def test_is_nostation2(chunk1):
"""parsing a all-station address should return False on is_nostation()"""
iframe = IFrame()
iframe.parse_address(chunk1)
assert iframe.is_nostation() is False
def test_parse_address1():
"""test for rejecting strings"""
iframe = IFrame()
with pytest.raises(TypeError):
iframe.parse_address('test')
