def __init__(self, ld: LogicalData):
ld_index = ld.index
component_descriptor = ComponentDescriptor(ld.read())
if not component_descriptor.is_set_group:
raise ExceptionEFLRSet(f'Component Descriptor does not represent a set but a {component_descriptor.type}.')
self.type: bytes = RepCode.IDENT(ld)
self.name: bytes = ComponentDescriptor.CHARACTERISTICS_AND_COMPONENT_FORMAT_SET_MAP['N'].global_default
if component_descriptor.has_set_N:
self.name = RepCode.IDENT(ld)
self.logical_data_consumed = ld.index - ld_index
def __init__(self,
component_descriptor: ComponentDescriptor,
ld: LogicalData,
template_attribute: TemplateAttribute,
):
super().__init__(component_descriptor)
if self.component_descriptor.has_attribute_L:
self.label = RepCode.IDENT(ld)
else:
self.label = template_attribute.label
if self.component_descriptor.has_attribute_C:
self.count = RepCode.UVARI(ld)
else:
self.count = template_attribute.count
if self.component_descriptor.has_attribute_R:
self.rep_code = RepCode.USHORT(ld)
else:
self.rep_code = template_attribute.rep_code
if self.component_descriptor.has_attribute_U:
self.units = RepCode.UNITS(ld)
else:
self.units = template_attribute.units
if self.component_descriptor.has_attribute_V:
self.value = [RepCode.code_read(self.rep_code, ld) for _i in range(self.count)]
else:
self.value = template_attribute.value
def test_IDENT(ld, expected):
result = RepCode.IDENT(ld)
assert result == expected
assert ld.remain == 0
# TODO: index != 0, index -ve. Also for other _len functions.
result = RepCode.OBNAME_len(ld.bytes, 0)
assert result == expected
def test_OBNAME_len_raises():
ld = LogicalData(b'\x00' + b'\x01' + b'\x03')
with pytest.raises(RepCode.ExceptionRepCode) as err:
RepCode.OBNAME_len(ld.bytes, -1)
assert err.value.args[0] == 'Index can not be negative.'
@pytest.mark.parametrize('ld, expected', ((
LogicalData(b'\x0512345' + b'\x00' + b'\x01' + b'\x03ABC'),
RepCode.ObjectReference(
RepCode.IDENT(LogicalData(b'\x0512345')),
RepCode.ObjectName(0, 1, b'ABC'),
),
), ))
def test_OBJREF(ld, expected):
result = RepCode.OBJREF(ld)
assert result == expected
assert ld.remain == 0
@pytest.mark.parametrize('ld, expected', ((
LogicalData(b'\x0512345' + b'\x00' + b'\x01' + b'\x03ABC'),
"OBREF: O: b'12345' C: OBNAME: O: 0 C: 1 I: b'ABC'",
), ))
def test_OBJREF_str(ld, expected):
result = RepCode.OBJREF(ld)
