def test_decode_known_type(self):
class MyRecord(Record):
_type = 'urn:nfc:wkt:x'
_decode_min_payload_length = 1
_decode_max_payload_length = 1
@classmethod
def _decode_payload(cls, octets, errors):
return MyRecord()
known_types = {MyRecord._type: MyRecord}
stream = BytesIO(bytearray.fromhex('1101017800'))
record = Record._decode(stream, 'strict', known_types)[0]
assert type(record) == MyRecord
errstr = 'payload length can not be less than 1'
stream = BytesIO(bytearray.fromhex('11010078'))
with pytest.raises(ndef.DecodeError) as excinfo:
Record._decode(stream, 'strict', known_types)
assert str(excinfo.value) == 'test_record.MyRecord ' + errstr
errstr = 'payload length can not be more than 1'
stream = BytesIO(bytearray.fromhex('110102780000'))
with pytest.raises(ndef.DecodeError) as excinfo:
Record._decode(stream, 'strict', known_types)
assert str(excinfo.value) == 'test_record.MyRecord ' + errstr
def test_decode_known_type(self):
class MyRecord(Record):
_type = 'urn:nfc:wkt:x'
_decode_min_payload_length = 1
_decode_max_payload_length = 1
@classmethod
def _decode_payload(cls, octets, errors):
return MyRecord()
known_types = {MyRecord._type: MyRecord}
stream = BytesIO(bytearray.fromhex('1101017800'))
record = Record._decode(stream, 'strict', known_types)[0]
assert type(record) == MyRecord
errstr = 'payload length can not be less than 1'
stream = BytesIO(bytearray.fromhex('11010078'))
with pytest.raises(ndef.DecodeError) as excinfo:
Record._decode(stream, 'strict', known_types)
assert str(excinfo.value) == 'test_record.MyRecord ' + errstr
errstr = 'payload length can not be more than 1'
stream = BytesIO(bytearray.fromhex('110102780000'))
with pytest.raises(ndef.DecodeError) as excinfo:
Record._decode(stream, 'strict', known_types)
assert str(excinfo.value) == 'test_record.MyRecord ' + errstr
def test_limit(self):
octets = bytearray.fromhex('')
record = Record._decode(BytesIO(octets), 'strict', {})[0]
assert record is None
octets = bytearray.fromhex('050000100000') + 0x100000 * b'\0'
record = Record._decode(BytesIO(octets), 'strict', {})[0]
assert len(record.data) == 0x100000
errstr = "payload of more than 1048576 octets can not be decoded"
octets = bytearray.fromhex('050000100001') + 0x100001 * b'\0'
with pytest.raises(ndef.DecodeError) as excinfo:
Record._decode(BytesIO(octets), 'strict', {})
assert str(excinfo.value) == 'ndef.record.Record ' + errstr
def test_limit(self):
octets = bytearray.fromhex('')
record = Record._decode(BytesIO(octets), 'strict', {})[0]
assert record is None
octets = bytearray.fromhex('050000100000') + 0x100000 * b'\0'
record = Record._decode(BytesIO(octets), 'strict', {})[0]
assert len(record.data) == 0x100000
errstr = "payload of more than 1048576 octets can not be decoded"
octets = bytearray.fromhex('050000100001') + 0x100001 * b'\0'
with pytest.raises(ndef.DecodeError) as excinfo:
Record._decode(BytesIO(octets), 'strict', {})
assert str(excinfo.value) == 'ndef.record.Record ' + errstr
def test_flags(self, encoded, _mb, _me, _cf):
stream = BytesIO(bytearray.fromhex(encoded))
record, mb, me, cf = Record._decode(stream, 'strict', {})
assert mb == _mb
assert me == _me
assert cf == _cf
def test_fail(self, encoded, errstr):
with pytest.raises(ndef.DecodeError) as excinfo:
stream = BytesIO(bytearray.fromhex(encoded))
Record._decode(stream, 'strict', {})
assert errstr in str(excinfo.value)
def test_pass(self, args, encoded):
stream = BytesIO(bytearray.fromhex(encoded))
record = Record._decode(stream, 'strict', {})[0]
assert record == Record(*args)
def test_flags(self, encoded, _mb, _me, _cf):
stream = BytesIO(bytearray.fromhex(encoded))
record, mb, me, cf = Record._decode(stream, 'strict', {})
assert mb == _mb
assert me == _me
assert cf == _cf
def test_fail(self, encoded, errstr):
with pytest.raises(ndef.DecodeError) as excinfo:
stream = BytesIO(bytearray.fromhex(encoded))
Record._decode(stream, 'strict', {})
assert errstr in str(excinfo.value)
def test_pass(self, args, encoded):
stream = BytesIO(bytearray.fromhex(encoded))
record = Record._decode(stream, 'strict', {})[0]
assert record == Record(*args)