def test_split(self):
with pytest.raises(ValueError):
list(Record.split(BYTES, address=-1))
with pytest.raises(ValueError):
list(Record.split(BYTES, address=(1 << 32)))
with pytest.raises(ValueError):
list(Record.split(BYTES, address=((1 << 32) - 128)))
with pytest.raises(ValueError):
list(Record.split(BYTES, columns=257))
with pytest.raises(ValueError):
list(Record.split(BYTES, columns=253, tag=Record.TAG_TYPE.DATA_16))
with pytest.raises(ValueError):
list(Record.split(BYTES, columns=252, tag=Record.TAG_TYPE.DATA_24))
with pytest.raises(ValueError):
list(Record.split(BYTES, columns=251, tag=Record.TAG_TYPE.DATA_32))
ans_out = list(
Record.split(HEXBYTES,
header=b'Hello, World!',
start=0,
tag=Tag.DATA_16))
ans_ref = [
Record(0, Tag.HEADER, b'Hello, World!'),
Record(0, Tag.DATA_16, HEXBYTES),
Record(0, Tag.COUNT_16, b'\x00\x01'),
Record(0, Tag.START_16, b''),
]
assert ans_out == ans_ref
ans_out = list(
Record.split(HEXBYTES,
standalone=False,
address=7,
columns=5,
align=3))
ans_ref = [
Record.build_data(7, HEXBYTES[:4]),
Record.build_data(11, HEXBYTES[4:9]),
Record.build_data(16, HEXBYTES[9:14]),
Record.build_data(21, HEXBYTES[14:]),
]
assert ans_out == ans_ref
def test_build_data_max_columns(self):
for tag in (1, 2, 3):
tag = Tag(tag)
max_columns = Record.TAG_TO_COLUMN_SIZE[tag]
record = Record.build_data(0x1234, bytes(max_columns), tag=tag)
assert len(record.data) == max_columns
assert record.count == 255
def test_check(self):
record = Record.build_data(0, b'')
for tag in range(len(Tag), 256):
record.tag = tag
record.update_checksum()
with pytest.raises(ValueError):
record.check()
record = Record.build_data(0, b'Hello, World!')
record.check()
record.tag = len(Tag)
with pytest.raises(ValueError):
record.check()
record = Record.build_header(b'')
record.address = 1
record.update_checksum()
with pytest.raises(ValueError, match='address error'):
record.check()
record = Record.build_count(0x1234)
record.address = 1
record.update_checksum()
with pytest.raises(ValueError, match='address error'):
record.check()
record = Record.build_count(0x123456)
record.address = 1
record.update_checksum()
with pytest.raises(ValueError, match='address error'):
record.check()
record = Record.build_data(0, bytearray(252))
record.data.append(1)
record.update_count()
record.update_checksum()
with pytest.raises(ValueError, match='count overflow'):
record.check()
record = Record.build_data(0, b'Hello, World!')
record.count += 1
record.update_checksum()
with pytest.raises(ValueError, match='count error'):
record.check()
def test_build_data_doctest(self):
ans_out = str(Record.build_data(0x1234, b'Hello, World!'))
ans_ref = 'S110123448656C6C6F2C20576F726C642140'
assert ans_out == ans_ref
ans_out = str(
Record.build_data(0x1234, b'Hello, World!', tag=Tag.DATA_16))
ans_ref = 'S110123448656C6C6F2C20576F726C642140'
assert ans_out == ans_ref
ans_out = str(
Record.build_data(0x123456, b'Hello, World!', tag=Tag.DATA_24))
ans_ref = 'S21112345648656C6C6F2C20576F726C6421E9'
assert ans_out == ans_ref
ans_out = str(
Record.build_data(0x12345678, b'Hello, World!', tag=Tag.DATA_32))
ans_ref = 'S3121234567848656C6C6F2C20576F726C642170'
assert ans_out == ans_ref
def test_check(self):
record = Record.build_data(0, b'')
for tag in range(len(Tag), 256):
record.tag = tag
record.update_checksum()
with pytest.raises(ValueError):
record.check()
record = Record.build_data(0, b'Hello, World!')
record.check()
record.tag = len(Tag)
with pytest.raises(ValueError):
record.check()
record = Record.build_header(b'')
record.address = 1
record.update_checksum()
with pytest.raises(ValueError):
record.check()
record = Record.build_count(0x1234)
record.address = 1
record.update_checksum()
with pytest.raises(ValueError):
record.check()
record = Record.build_count(0x123456)
record.address = 1
record.update_checksum()
with pytest.raises(ValueError):
record.check()
record = Record.build_data(0, b'Hello, World!')
record.count += 1
record.update_checksum()
with pytest.raises(ValueError):
record.check()
def test___eq___doctest(self):
record1 = BinaryRecord.build_data(0, b'Hello, World!')
record2 = BinaryRecord.build_data(0, b'Hello, World!')
assert record1 == record2
record1 = BinaryRecord.build_data(0, b'Hello, World!')
record2 = BinaryRecord.build_data(1, b'Hello, World!')
assert record1 != record2
record1 = BinaryRecord.build_data(0, b'Hello, World!')
record2 = BinaryRecord.build_data(0, b'hello, world!')
assert record1 != record2
record1 = MotorolaRecord.build_header(b'Hello, World!')
record2 = MotorolaRecord.build_data(0, b'hello, world!')
assert record1 != record2
def test_build_data_tag(self):
for tag in [0] + list(range(4, len(Tag))):
tag = Tag(tag)
with pytest.raises(ValueError):
Record.build_data(0x1234, b'Hello, World!', tag=tag)
