test_simpleion.py 文件源码

def generate_scalars_binary(scalars_map, preceding_symbols=0):
    for ion_type, values in six.iteritems(scalars_map):
        for native, expected in values:
            native_expected = expected
            has_symbols = False
            if native is None:
                # An un-adorned 'None' doesn't contain enough information to determine its Ion type
                native_expected = b'\x0f'
            elif ion_type is IonType.CLOB:
                # All six.binary_type are treated as BLOBs unless wrapped by an _IonNature
                tid = six.byte2int(expected) + 0x10  # increment upper nibble for clob -> blob; keep lower nibble
                native_expected = bytearray([tid]) + expected[1:]
            elif ion_type is IonType.SYMBOL and native is not None:
                has_symbols = True
            elif ion_type is IonType.STRING:
                # Encode all strings as symbols too.
                symbol_expected = _serialize_symbol(
                    IonEvent(IonEventType.SCALAR, IonType.SYMBOL, SymbolToken(None, 10 + preceding_symbols)))
                yield _Parameter(IonType.SYMBOL.name + ' ' + native,
                                 IonPyText.from_value(IonType.SYMBOL, native), symbol_expected, True)
            yield _Parameter('%s %s' % (ion_type.name, native), native, native_expected, has_symbols)
            wrapper = _FROM_ION_TYPE[ion_type].from_value(ion_type, native)
            yield _Parameter(repr(wrapper), wrapper, expected, has_symbols)