Python message.optional_int32方法代码示例

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import optional_int32 [as 别名]
def testReleasedNestedMessages(self, message_module):
    """A case that lead to a segfault when a message detached from its parent
    container has itself a child container.
    """
    m = message_module.NestedTestAllTypes()
    m = m.repeated_child.add()
    m = m.child
    m = m.repeated_child.add()
    self.assertEqual(m.payload.optional_int32, 0) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import optional_int32 [as 别名]
def testFieldPresence(self):
    message = unittest_pb2.TestAllTypes()

    self.assertFalse(message.HasField("optional_int32"))
    self.assertFalse(message.HasField("optional_bool"))
    self.assertFalse(message.HasField("optional_nested_message"))

    with self.assertRaises(ValueError):
      message.HasField("field_doesnt_exist")

    with self.assertRaises(ValueError):
      message.HasField("repeated_int32")
    with self.assertRaises(ValueError):
      message.HasField("repeated_nested_message")

    self.assertEqual(0, message.optional_int32)
    self.assertEqual(False, message.optional_bool)
    self.assertEqual(0, message.optional_nested_message.bb)

    # Fields are set even when setting the values to default values.
    message.optional_int32 = 0
    message.optional_bool = False
    message.optional_nested_message.bb = 0
    self.assertTrue(message.HasField("optional_int32"))
    self.assertTrue(message.HasField("optional_bool"))
    self.assertTrue(message.HasField("optional_nested_message"))

    # Set the fields to non-default values.
    message.optional_int32 = 5
    message.optional_bool = True
    message.optional_nested_message.bb = 15

    self.assertTrue(message.HasField("optional_int32"))
    self.assertTrue(message.HasField("optional_bool"))
    self.assertTrue(message.HasField("optional_nested_message"))

    # Clearing the fields unsets them and resets their value to default.
    message.ClearField("optional_int32")
    message.ClearField("optional_bool")
    message.ClearField("optional_nested_message")

    self.assertFalse(message.HasField("optional_int32"))
    self.assertFalse(message.HasField("optional_bool"))
    self.assertFalse(message.HasField("optional_nested_message"))
    self.assertEqual(0, message.optional_int32)
    self.assertEqual(False, message.optional_bool)
    self.assertEqual(0, message.optional_nested_message.bb) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import optional_int32 [as 别名]
def testParsingMerge(self):
    """Check the merge behavior when a required or optional field appears
    multiple times in the input."""
    messages = [
        unittest_pb2.TestAllTypes(),
        unittest_pb2.TestAllTypes(),
        unittest_pb2.TestAllTypes() ]
    messages[0].optional_int32 = 1
    messages[1].optional_int64 = 2
    messages[2].optional_int32 = 3
    messages[2].optional_string = 'hello'

    merged_message = unittest_pb2.TestAllTypes()
    merged_message.optional_int32 = 3
    merged_message.optional_int64 = 2
    merged_message.optional_string = 'hello'

    generator = unittest_pb2.TestParsingMerge.RepeatedFieldsGenerator()
    generator.field1.extend(messages)
    generator.field2.extend(messages)
    generator.field3.extend(messages)
    generator.ext1.extend(messages)
    generator.ext2.extend(messages)
    generator.group1.add().field1.MergeFrom(messages[0])
    generator.group1.add().field1.MergeFrom(messages[1])
    generator.group1.add().field1.MergeFrom(messages[2])
    generator.group2.add().field1.MergeFrom(messages[0])
    generator.group2.add().field1.MergeFrom(messages[1])
    generator.group2.add().field1.MergeFrom(messages[2])

    data = generator.SerializeToString()
    parsing_merge = unittest_pb2.TestParsingMerge()
    parsing_merge.ParseFromString(data)

    # Required and optional fields should be merged.
    self.assertEqual(parsing_merge.required_all_types, merged_message)
    self.assertEqual(parsing_merge.optional_all_types, merged_message)
    self.assertEqual(parsing_merge.optionalgroup.optional_group_all_types,
                     merged_message)
    self.assertEqual(parsing_merge.Extensions[
                     unittest_pb2.TestParsingMerge.optional_ext],
                     merged_message)

    # Repeated fields should not be merged.
    self.assertEqual(len(parsing_merge.repeated_all_types), 3)
    self.assertEqual(len(parsing_merge.repeatedgroup), 3)
    self.assertEqual(len(parsing_merge.Extensions[
        unittest_pb2.TestParsingMerge.repeated_ext]), 3) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import optional_int32 [as 别名]
def testFieldPresence(self):
    message = unittest_pb2.TestAllTypes()

    self.assertFalse(message.HasField("optional_int32"))
    self.assertFalse(message.HasField("optional_bool"))
    self.assertFalse(message.HasField("optional_nested_message"))

    with self.assertRaises(ValueError):
      message.HasField("field_doesnt_exist")

    with self.assertRaises(ValueError):
      message.HasField("repeated_int32")
    with self.assertRaises(ValueError):
      message.HasField("repeated_nested_message")

    self.assertEqual(0, message.optional_int32)
    self.assertEqual(False, message.optional_bool)
    self.assertEqual(0, message.optional_nested_message.bb)

    # Fields are set even when setting the values to default values.
    message.optional_int32 = 0
    message.optional_bool = False
    message.optional_nested_message.bb = 0
    self.assertTrue(message.HasField("optional_int32"))
    self.assertTrue(message.HasField("optional_bool"))
    self.assertTrue(message.HasField("optional_nested_message"))

    # Set the fields to non-default values.
    message.optional_int32 = 5
    message.optional_bool = True
    message.optional_nested_message.bb = 15

    self.assertTrue(message.HasField("optional_int32"))
    self.assertTrue(message.HasField("optional_bool"))
    self.assertTrue(message.HasField("optional_nested_message"))

    # Clearing the fields unsets them and resets their value to default.
    message.ClearField("optional_int32")
    message.ClearField("optional_bool")
    message.ClearField("optional_nested_message")

    self.assertFalse(message.HasField("optional_int32"))
    self.assertFalse(message.HasField("optional_bool"))
    self.assertFalse(message.HasField("optional_nested_message"))
    self.assertEqual(0, message.optional_int32)
    self.assertEqual(False, message.optional_bool)
    self.assertEqual(0, message.optional_nested_message.bb)

  # TODO(tibell): The C++ implementations actually allows assignment
  # of unknown enum values to *scalar* fields (but not repeated
  # fields). Once checked enum fields becomes the default in the
  # Python implementation, the C++ implementation should follow suit. 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import optional_int32 [as 别名]
def testPythonicInit(self):
    message = unittest_pb2.TestAllTypes(
        optional_int32=100,
        optional_fixed32=200,
        optional_float=300.5,
        optional_bytes=b'x',
        optionalgroup={'a': 400},
        optional_nested_message={'bb': 500},
        optional_nested_enum='BAZ',
        repeatedgroup=[{'a': 600},
                       {'a': 700}],
        repeated_nested_enum=['FOO', unittest_pb2.TestAllTypes.BAR],
        default_int32=800,
        oneof_string='y')
    self.assertIsInstance(message, unittest_pb2.TestAllTypes)
    self.assertEqual(100, message.optional_int32)
    self.assertEqual(200, message.optional_fixed32)
    self.assertEqual(300.5, message.optional_float)
    self.assertEqual(b'x', message.optional_bytes)
    self.assertEqual(400, message.optionalgroup.a)
    self.assertIsInstance(message.optional_nested_message, unittest_pb2.TestAllTypes.NestedMessage)
    self.assertEqual(500, message.optional_nested_message.bb)
    self.assertEqual(unittest_pb2.TestAllTypes.BAZ,
                     message.optional_nested_enum)
    self.assertEqual(2, len(message.repeatedgroup))
    self.assertEqual(600, message.repeatedgroup[0].a)
    self.assertEqual(700, message.repeatedgroup[1].a)
    self.assertEqual(2, len(message.repeated_nested_enum))
    self.assertEqual(unittest_pb2.TestAllTypes.FOO,
                     message.repeated_nested_enum[0])
    self.assertEqual(unittest_pb2.TestAllTypes.BAR,
                     message.repeated_nested_enum[1])
    self.assertEqual(800, message.default_int32)
    self.assertEqual('y', message.oneof_string)
    self.assertFalse(message.HasField('optional_int64'))
    self.assertEqual(0, len(message.repeated_float))
    self.assertEqual(42, message.default_int64)

    message = unittest_pb2.TestAllTypes(optional_nested_enum='BAZ')
    self.assertEqual(unittest_pb2.TestAllTypes.BAZ,
                     message.optional_nested_enum)

    with self.assertRaises(ValueError):
      unittest_pb2.TestAllTypes(
          optional_nested_message={'INVALID_NESTED_FIELD': 17})

    with self.assertRaises(TypeError):
      unittest_pb2.TestAllTypes(
          optional_nested_message={'bb': 'INVALID_VALUE_TYPE'})

    with self.assertRaises(ValueError):
      unittest_pb2.TestAllTypes(optional_nested_enum='INVALID_LABEL')

    with self.assertRaises(ValueError):
      unittest_pb2.TestAllTypes(repeated_nested_enum='FOO')


# Class to test proto3-only features/behavior (updated field presence & enums)