def test_encode_unsigned_integer(integer_value, value_bit_size, data_byte_size): if value_bit_size > data_byte_size * 8: with pytest.raises(ValueError) as exception_info: UnsignedIntegerEncoder( value_bit_size=value_bit_size, data_byte_size=data_byte_size, ) return encoder = UnsignedIntegerEncoder( value_bit_size=value_bit_size, data_byte_size=data_byte_size, ) lower_bound, upper_bound = compute_unsigned_integer_bounds(value_bit_size) if not is_integer(integer_value): with pytest.raises(EncodingTypeError) as exception_info: encoder(integer_value) assert 'UnsignedInteger' in str(exception_info.value) return elif integer_value < lower_bound or integer_value > upper_bound: with pytest.raises(ValueOutOfBounds): encoder(integer_value) return if integer_value >= 0: expected_value = zpad(int_to_big_endian(integer_value), data_byte_size) else: expected_value = fpad(int_to_big_endian(integer_value), data_byte_size) encoded_value = encoder(integer_value) assert encoded_value == expected_value
def test_encode_address(address_value, value_bit_size, data_byte_size): if value_bit_size != 20 * 8: with pytest.raises(ValueError): AddressEncoder( value_bit_size=value_bit_size, data_byte_size=data_byte_size, ) return elif value_bit_size > data_byte_size * 8: with pytest.raises(ValueError): AddressEncoder( value_bit_size=value_bit_size, data_byte_size=data_byte_size, ) return encoder = AddressEncoder( value_bit_size=value_bit_size, data_byte_size=data_byte_size, ) if not is_address(address_value): with pytest.raises(EncodingTypeError) as exception_info: encoder(address_value) assert 'AddressEncoder' in str(exception_info.value) return expected_value = zpad(to_canonical_address(address_value), data_byte_size) encoded_value = encoder(address_value) assert encoded_value == expected_value
def encode(cls, value): cls.validate_value(value) base_encoded_value = cls.encode_fn(value) if value >= 0: padded_encoded_value = zpad(base_encoded_value, cls.data_byte_size) else: padded_encoded_value = fpad(base_encoded_value, cls.data_byte_size) return padded_encoded_value
def test_encode_signed_real(base_integer_value, value_bit_size, high_bit_size, low_bit_size, data_byte_size): if value_bit_size > data_byte_size * 8: with pytest.raises(ValueError): SignedRealEncoder.as_encoder( value_bit_size=value_bit_size, high_bit_size=high_bit_size, low_bit_size=low_bit_size, data_byte_size=data_byte_size, ) return elif high_bit_size + low_bit_size != value_bit_size: with pytest.raises(ValueError): SignedRealEncoder.as_encoder( value_bit_size=value_bit_size, high_bit_size=high_bit_size, low_bit_size=low_bit_size, data_byte_size=data_byte_size, ) return encoder = SignedRealEncoder.as_encoder( value_bit_size=value_bit_size, high_bit_size=high_bit_size, low_bit_size=low_bit_size, data_byte_size=data_byte_size, ) if not is_number(base_integer_value): with pytest.raises(EncodingTypeError) as exception_info: encoder(base_integer_value) assert 'SignedReal' in str(exception_info.value) return unsigned_integer_value = base_integer_value % 2**(high_bit_size + low_bit_size) with decimal.localcontext(abi_decimal_context): real_value = decimal.Decimal(unsigned_integer_value) / 2 ** low_bit_size lower_bound, upper_bound = compute_signed_real_bounds( high_bit_size, low_bit_size, ) if real_value < lower_bound or real_value > upper_bound: with pytest.raises(ValueOutOfBounds): encoder(real_value) return expected_value = zpad(int_to_big_endian(unsigned_integer_value), data_byte_size) encoded_value = encoder(real_value) assert encoded_value == expected_value
def encode(self, value): self.validate_value(value) base_encoded_value = self.encode_fn(value) if value >= 0: padded_encoded_value = zpad(base_encoded_value, self.data_byte_size) else: padded_encoded_value = fpad(base_encoded_value, self.data_byte_size) return padded_encoded_value
def encode(self, value): self.validate_value(value) base_encoded_value = self.encode_fn(value) if self.is_big_endian: padded_encoded_value = zpad(base_encoded_value, self.data_byte_size) else: padded_encoded_value = zpad_right(base_encoded_value, self.data_byte_size) return padded_encoded_value
def encode(cls, value): cls.validate_value(value) base_encoded_value = cls.encode_fn(value) if cls.is_big_endian: padded_encoded_value = zpad(base_encoded_value, cls.data_byte_size) else: padded_encoded_value = zpad_right(base_encoded_value, cls.data_byte_size) return padded_encoded_value
def test_encode_boolean(bool_value, data_byte_size): encoder = BooleanEncoder.as_encoder(data_byte_size=data_byte_size, ) if not is_boolean(bool_value): with pytest.raises(EncodingTypeError): encoder(bool_value) return expected_value = zpad(b'\x01' if bool_value else b'\x00', data_byte_size) encoded_value = encoder(bool_value) assert encoded_value == expected_value
def test_encode_unsigned_real(base_integer_value, value_bit_size, high_bit_size, low_bit_size, data_byte_size): if value_bit_size > data_byte_size * 8: with pytest.raises(ValueError): UnsignedRealEncoder.as_encoder( value_bit_size=value_bit_size, high_bit_size=high_bit_size, low_bit_size=low_bit_size, data_byte_size=data_byte_size, ) return elif high_bit_size + low_bit_size != value_bit_size: with pytest.raises(ValueError): UnsignedRealEncoder.as_encoder( value_bit_size=value_bit_size, high_bit_size=high_bit_size, low_bit_size=low_bit_size, data_byte_size=data_byte_size, ) return encoder = UnsignedRealEncoder.as_encoder( value_bit_size=value_bit_size, high_bit_size=high_bit_size, low_bit_size=low_bit_size, data_byte_size=data_byte_size, ) if not is_number(base_integer_value): with pytest.raises(EncodingTypeError): encoder(base_integer_value) return real_value = decimal.Decimal(base_integer_value) / 2**low_bit_size lower_bound, upper_bound = compute_unsigned_real_bounds( high_bit_size, low_bit_size, ) if real_value < lower_bound or real_value > upper_bound: with pytest.raises(ValueOutOfBounds): encoder(base_integer_value) return expected_value = zpad(int_to_big_endian(base_integer_value), data_byte_size) encoded_value = encoder(real_value) assert encoded_value == expected_value
def test_encode_boolean(bool_value, data_byte_size): encoder = BooleanEncoder( data_byte_size=data_byte_size, ) if not is_boolean(bool_value): with pytest.raises(EncodingTypeError) as exception_info: encoder(bool_value) assert 'BooleanEncoder' in str(exception_info.value) return expected_value = zpad(b'\x01' if bool_value else b'\x00', data_byte_size) encoded_value = encoder(bool_value) assert encoded_value == expected_value
def test_zpadding(value, length, expected): actual = zpad(value, length) assert actual == expected