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#
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
# https://developers.google.com/protocol-buffers/
#
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# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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"""Tests for google.protobuf.descriptor_pool."""
__author__ = 'matthewtoia@google.com (Matt Toia)'
import os
import sys
try:
import unittest2 as unittest #PY26
except ImportError:
import unittest
from google.protobuf import unittest_import_pb2
from google.protobuf import unittest_import_public_pb2
from google.protobuf import unittest_pb2
from google.protobuf import descriptor_pb2
from google.protobuf.internal import api_implementation
from google.protobuf.internal import descriptor_pool_test1_pb2
from google.protobuf.internal import descriptor_pool_test2_pb2
from google.protobuf.internal import factory_test1_pb2
from google.protobuf.internal import factory_test2_pb2
from google.protobuf.internal import file_options_test_pb2
from google.protobuf.internal import more_messages_pb2
from google.protobuf import descriptor
from google.protobuf import descriptor_database
from google.protobuf import descriptor_pool
from google.protobuf import message_factory
from google.protobuf import symbol_database
class DescriptorPoolTestBase(object):
def testFindFileByName(self):
name1 = 'google/protobuf/internal/factory_test1.proto'
file_desc1 = self.pool.FindFileByName(name1)
self.assertIsInstance(file_desc1, descriptor.FileDescriptor)
self.assertEqual(name1, file_desc1.name)
self.assertEqual('google.protobuf.python.internal', file_desc1.package)
self.assertIn('Factory1Message', file_desc1.message_types_by_name)
name2 = 'google/protobuf/internal/factory_test2.proto'
file_desc2 = self.pool.FindFileByName(name2)
self.assertIsInstance(file_desc2, descriptor.FileDescriptor)
self.assertEqual(name2, file_desc2.name)
self.assertEqual('google.protobuf.python.internal', file_desc2.package)
self.assertIn('Factory2Message', file_desc2.message_types_by_name)
def testFindFileByNameFailure(self):
with self.assertRaises(KeyError):
self.pool.FindFileByName('Does not exist')
def testFindFileContainingSymbol(self):
file_desc1 = self.pool.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory1Message')
self.assertIsInstance(file_desc1, descriptor.FileDescriptor)
self.assertEqual('google/protobuf/internal/factory_test1.proto',
file_desc1.name)
self.assertEqual('google.protobuf.python.internal', file_desc1.package)
self.assertIn('Factory1Message', file_desc1.message_types_by_name)
file_desc2 = self.pool.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Message')
self.assertIsInstance(file_desc2, descriptor.FileDescriptor)
self.assertEqual('google/protobuf/internal/factory_test2.proto',
file_desc2.name)
self.assertEqual('google.protobuf.python.internal', file_desc2.package)
self.assertIn('Factory2Message', file_desc2.message_types_by_name)
# Tests top level extension.
file_desc3 = self.pool.FindFileContainingSymbol(
'google.protobuf.python.internal.another_field')
self.assertIsInstance(file_desc3, descriptor.FileDescriptor)
self.assertEqual('google/protobuf/internal/factory_test2.proto',
file_desc3.name)
# Tests nested extension inside a message.
file_desc4 = self.pool.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Message.one_more_field')
self.assertIsInstance(file_desc4, descriptor.FileDescriptor)
self.assertEqual('google/protobuf/internal/factory_test2.proto',
file_desc4.name)
file_desc5 = self.pool.FindFileContainingSymbol(
'protobuf_unittest.TestService')
self.assertIsInstance(file_desc5, descriptor.FileDescriptor)
self.assertEqual('google/protobuf/unittest.proto',
file_desc5.name)
def testFindFileContainingSymbolFailure(self):
with self.assertRaises(KeyError):
self.pool.FindFileContainingSymbol('Does not exist')
def testFindMessageTypeByName(self):
msg1 = self.pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory1Message')
self.assertIsInstance(msg1, descriptor.Descriptor)
self.assertEqual('Factory1Message', msg1.name)
self.assertEqual('google.protobuf.python.internal.Factory1Message',
msg1.full_name)
self.assertEqual(None, msg1.containing_type)
self.assertFalse(msg1.has_options)
nested_msg1 = msg1.nested_types[0]
self.assertEqual('NestedFactory1Message', nested_msg1.name)
self.assertEqual(msg1, nested_msg1.containing_type)
nested_enum1 = msg1.enum_types[0]
self.assertEqual('NestedFactory1Enum', nested_enum1.name)
self.assertEqual(msg1, nested_enum1.containing_type)
self.assertEqual(nested_msg1, msg1.fields_by_name[
'nested_factory_1_message'].message_type)
self.assertEqual(nested_enum1, msg1.fields_by_name[
'nested_factory_1_enum'].enum_type)
msg2 = self.pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory2Message')
self.assertIsInstance(msg2, descriptor.Descriptor)
self.assertEqual('Factory2Message', msg2.name)
self.assertEqual('google.protobuf.python.internal.Factory2Message',
msg2.full_name)
self.assertIsNone(msg2.containing_type)
nested_msg2 = msg2.nested_types[0]
self.assertEqual('NestedFactory2Message', nested_msg2.name)
self.assertEqual(msg2, nested_msg2.containing_type)
nested_enum2 = msg2.enum_types[0]
self.assertEqual('NestedFactory2Enum', nested_enum2.name)
self.assertEqual(msg2, nested_enum2.containing_type)
self.assertEqual(nested_msg2, msg2.fields_by_name[
'nested_factory_2_message'].message_type)
self.assertEqual(nested_enum2, msg2.fields_by_name[
'nested_factory_2_enum'].enum_type)
self.assertTrue(msg2.fields_by_name['int_with_default'].has_default_value)
self.assertEqual(
1776, msg2.fields_by_name['int_with_default'].default_value)
self.assertTrue(
msg2.fields_by_name['double_with_default'].has_default_value)
self.assertEqual(
9.99, msg2.fields_by_name['double_with_default'].default_value)
self.assertTrue(
msg2.fields_by_name['string_with_default'].has_default_value)
self.assertEqual(
'hello world', msg2.fields_by_name['string_with_default'].default_value)
self.assertTrue(msg2.fields_by_name['bool_with_default'].has_default_value)
self.assertFalse(msg2.fields_by_name['bool_with_default'].default_value)
self.assertTrue(msg2.fields_by_name['enum_with_default'].has_default_value)
self.assertEqual(
1, msg2.fields_by_name['enum_with_default'].default_value)
msg3 = self.pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory2Message.NestedFactory2Message')
self.assertEqual(nested_msg2, msg3)
self.assertTrue(msg2.fields_by_name['bytes_with_default'].has_default_value)
self.assertEqual(
b'a\xfb\x00c',
msg2.fields_by_name['bytes_with_default'].default_value)
self.assertEqual(1, len(msg2.oneofs))
self.assertEqual(1, len(msg2.oneofs_by_name))
self.assertEqual(2, len(msg2.oneofs[0].fields))
for name in ['oneof_int', 'oneof_string']:
self.assertEqual(msg2.oneofs[0],
msg2.fields_by_name[name].containing_oneof)
self.assertIn(msg2.fields_by_name[name], msg2.oneofs[0].fields)
def testFindTypeErrors(self):
self.assertRaises(TypeError, self.pool.FindExtensionByNumber, '')
# TODO(jieluo): Fix python to raise correct errors.
if api_implementation.Type() == 'cpp':
self.assertRaises(TypeError, self.pool.FindMethodByName, 0)
self.assertRaises(KeyError, self.pool.FindMethodByName, '')
error_type = TypeError
else:
error_type = AttributeError
self.assertRaises(error_type, self.pool.FindMessageTypeByName, 0)
self.assertRaises(error_type, self.pool.FindFieldByName, 0)
self.assertRaises(error_type, self.pool.FindExtensionByName, 0)
self.assertRaises(error_type, self.pool.FindEnumTypeByName, 0)
self.assertRaises(error_type, self.pool.FindOneofByName, 0)
self.assertRaises(error_type, self.pool.FindServiceByName, 0)
self.assertRaises(error_type, self.pool.FindFileContainingSymbol, 0)
if api_implementation.Type() == 'python':
error_type = KeyError
self.assertRaises(error_type, self.pool.FindFileByName, 0)
def testFindMessageTypeByNameFailure(self):
with self.assertRaises(KeyError):
self.pool.FindMessageTypeByName('Does not exist')
def testFindEnumTypeByName(self):
enum1 = self.pool.FindEnumTypeByName(
'google.protobuf.python.internal.Factory1Enum')
self.assertIsInstance(enum1, descriptor.EnumDescriptor)
self.assertEqual(0, enum1.values_by_name['FACTORY_1_VALUE_0'].number)
self.assertEqual(1, enum1.values_by_name['FACTORY_1_VALUE_1'].number)
self.assertFalse(enum1.has_options)
nested_enum1 = self.pool.FindEnumTypeByName(
'google.protobuf.python.internal.Factory1Message.NestedFactory1Enum')
self.assertIsInstance(nested_enum1, descriptor.EnumDescriptor)
self.assertEqual(
0, nested_enum1.values_by_name['NESTED_FACTORY_1_VALUE_0'].number)
self.assertEqual(
1, nested_enum1.values_by_name['NESTED_FACTORY_1_VALUE_1'].number)
enum2 = self.pool.FindEnumTypeByName(
'google.protobuf.python.internal.Factory2Enum')
self.assertIsInstance(enum2, descriptor.EnumDescriptor)
self.assertEqual(0, enum2.values_by_name['FACTORY_2_VALUE_0'].number)
self.assertEqual(1, enum2.values_by_name['FACTORY_2_VALUE_1'].number)
nested_enum2 = self.pool.FindEnumTypeByName(
'google.protobuf.python.internal.Factory2Message.NestedFactory2Enum')
self.assertIsInstance(nested_enum2, descriptor.EnumDescriptor)
self.assertEqual(
0, nested_enum2.values_by_name['NESTED_FACTORY_2_VALUE_0'].number)
self.assertEqual(
1, nested_enum2.values_by_name['NESTED_FACTORY_2_VALUE_1'].number)
def testFindEnumTypeByNameFailure(self):
with self.assertRaises(KeyError):
self.pool.FindEnumTypeByName('Does not exist')
def testFindFieldByName(self):
if isinstance(self, SecondaryDescriptorFromDescriptorDB):
if api_implementation.Type() == 'cpp':
# TODO(jieluo): Fix cpp extension to find field correctly
# when descriptor pool is using an underlying database.
return
field = self.pool.FindFieldByName(
'google.protobuf.python.internal.Factory1Message.list_value')
self.assertEqual(field.name, 'list_value')
self.assertEqual(field.label, field.LABEL_REPEATED)
self.assertFalse(field.has_options)
with self.assertRaises(KeyError):
self.pool.FindFieldByName('Does not exist')
def testFindOneofByName(self):
if isinstance(self, SecondaryDescriptorFromDescriptorDB):
if api_implementation.Type() == 'cpp':
# TODO(jieluo): Fix cpp extension to find oneof correctly
# when descriptor pool is using an underlying database.
return
oneof = self.pool.FindOneofByName(
'google.protobuf.python.internal.Factory2Message.oneof_field')
self.assertEqual(oneof.name, 'oneof_field')
with self.assertRaises(KeyError):
self.pool.FindOneofByName('Does not exist')
def testFindExtensionByName(self):
if isinstance(self, SecondaryDescriptorFromDescriptorDB):
if api_implementation.Type() == 'cpp':
# TODO(jieluo): Fix cpp extension to find extension correctly
# when descriptor pool is using an underlying database.
return
# An extension defined in a message.
extension = self.pool.FindExtensionByName(
'google.protobuf.python.internal.Factory2Message.one_more_field')
self.assertEqual(extension.name, 'one_more_field')
# An extension defined at file scope.
extension = self.pool.FindExtensionByName(
'google.protobuf.python.internal.another_field')
self.assertEqual(extension.name, 'another_field')
self.assertEqual(extension.number, 1002)
with self.assertRaises(KeyError):
self.pool.FindFieldByName('Does not exist')
def testFindAllExtensions(self):
factory1_message = self.pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory1Message')
factory2_message = self.pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory2Message')
# An extension defined in a message.
one_more_field = factory2_message.extensions_by_name['one_more_field']
self.pool.AddExtensionDescriptor(one_more_field)
# An extension defined at file scope.
factory_test2 = self.pool.FindFileByName(
'google/protobuf/internal/factory_test2.proto')
another_field = factory_test2.extensions_by_name['another_field']
self.pool.AddExtensionDescriptor(another_field)
extensions = self.pool.FindAllExtensions(factory1_message)
expected_extension_numbers = set([one_more_field, another_field])
self.assertEqual(expected_extension_numbers, set(extensions))
# Verify that mutating the returned list does not affect the pool.
extensions.append('unexpected_element')
# Get the extensions again, the returned value does not contain the
# 'unexpected_element'.
extensions = self.pool.FindAllExtensions(factory1_message)
self.assertEqual(expected_extension_numbers, set(extensions))
def testFindExtensionByNumber(self):
factory1_message = self.pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory1Message')
factory2_message = self.pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory2Message')
# An extension defined in a message.
one_more_field = factory2_message.extensions_by_name['one_more_field']
self.pool.AddExtensionDescriptor(one_more_field)
# An extension defined at file scope.
factory_test2 = self.pool.FindFileByName(
'google/protobuf/internal/factory_test2.proto')
another_field = factory_test2.extensions_by_name['another_field']
self.pool.AddExtensionDescriptor(another_field)
# An extension defined in a message.
extension = self.pool.FindExtensionByNumber(factory1_message, 1001)
self.assertEqual(extension.name, 'one_more_field')
# An extension defined at file scope.
extension = self.pool.FindExtensionByNumber(factory1_message, 1002)
self.assertEqual(extension.name, 'another_field')
with self.assertRaises(KeyError):
extension = self.pool.FindExtensionByNumber(factory1_message, 1234567)
def testExtensionsAreNotFields(self):
with self.assertRaises(KeyError):
self.pool.FindFieldByName('google.protobuf.python.internal.another_field')
with self.assertRaises(KeyError):
self.pool.FindFieldByName(
'google.protobuf.python.internal.Factory2Message.one_more_field')
with self.assertRaises(KeyError):
self.pool.FindExtensionByName(
'google.protobuf.python.internal.Factory1Message.list_value')
def testFindService(self):
service = self.pool.FindServiceByName('protobuf_unittest.TestService')
self.assertEqual(service.full_name, 'protobuf_unittest.TestService')
with self.assertRaises(KeyError):
self.pool.FindServiceByName('Does not exist')
def testUserDefinedDB(self):
db = descriptor_database.DescriptorDatabase()
self.pool = descriptor_pool.DescriptorPool(db)
db.Add(self.factory_test1_fd)
db.Add(self.factory_test2_fd)
self.testFindMessageTypeByName()
def testAddSerializedFile(self):
if isinstance(self, SecondaryDescriptorFromDescriptorDB):
if api_implementation.Type() == 'cpp':
# Cpp extension cannot call Add on a DescriptorPool
# that uses a DescriptorDatabase.
# TODO(jieluo): Fix python and cpp extension diff.
return
self.pool = descriptor_pool.DescriptorPool()
self.pool.AddSerializedFile(self.factory_test1_fd.SerializeToString())
self.pool.AddSerializedFile(self.factory_test2_fd.SerializeToString())
self.testFindMessageTypeByName()
def testEnumDefaultValue(self):
"""Test the default value of enums which don't start at zero."""
def _CheckDefaultValue(file_descriptor):
default_value = (file_descriptor
.message_types_by_name['DescriptorPoolTest1']
.fields_by_name['nested_enum']
.default_value)
self.assertEqual(default_value,
descriptor_pool_test1_pb2.DescriptorPoolTest1.BETA)
# First check what the generated descriptor contains.
_CheckDefaultValue(descriptor_pool_test1_pb2.DESCRIPTOR)
# Then check the generated pool. Normally this is the same descriptor.
file_descriptor = symbol_database.Default().pool.FindFileByName(
'google/protobuf/internal/descriptor_pool_test1.proto')
self.assertIs(file_descriptor, descriptor_pool_test1_pb2.DESCRIPTOR)
_CheckDefaultValue(file_descriptor)
if isinstance(self, SecondaryDescriptorFromDescriptorDB):
if api_implementation.Type() == 'cpp':
# Cpp extension cannot call Add on a DescriptorPool
# that uses a DescriptorDatabase.
# TODO(jieluo): Fix python and cpp extension diff.
return
# Then check the dynamic pool and its internal DescriptorDatabase.
descriptor_proto = descriptor_pb2.FileDescriptorProto.FromString(
descriptor_pool_test1_pb2.DESCRIPTOR.serialized_pb)
self.pool.Add(descriptor_proto)
# And do the same check as above
file_descriptor = self.pool.FindFileByName(
'google/protobuf/internal/descriptor_pool_test1.proto')
_CheckDefaultValue(file_descriptor)
def testDefaultValueForCustomMessages(self):
"""Check the value returned by non-existent fields."""
def _CheckValueAndType(value, expected_value, expected_type):
self.assertEqual(value, expected_value)
self.assertIsInstance(value, expected_type)
def _CheckDefaultValues(msg):
try:
int64 = int
except NameError: # Python3
int64 = int
try:
unicode_type = str
except NameError: # Python3
unicode_type = str
_CheckValueAndType(msg.optional_int32, 0, int)
_CheckValueAndType(msg.optional_uint64, 0, (int64, int))
_CheckValueAndType(msg.optional_float, 0, (float, int))
_CheckValueAndType(msg.optional_double, 0, (float, int))
_CheckValueAndType(msg.optional_bool, False, bool)
_CheckValueAndType(msg.optional_string, '', unicode_type)
_CheckValueAndType(msg.optional_bytes, b'', bytes)
_CheckValueAndType(msg.optional_nested_enum, msg.FOO, int)
# First for the generated message
_CheckDefaultValues(unittest_pb2.TestAllTypes())
# Then for a message built with from the DescriptorPool.
pool = descriptor_pool.DescriptorPool()
pool.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_import_public_pb2.DESCRIPTOR.serialized_pb))
pool.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_import_pb2.DESCRIPTOR.serialized_pb))
pool.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_pb2.DESCRIPTOR.serialized_pb))
message_class = message_factory.MessageFactory(pool).GetPrototype(
pool.FindMessageTypeByName(
unittest_pb2.TestAllTypes.DESCRIPTOR.full_name))
_CheckDefaultValues(message_class())
def testAddFileDescriptor(self):
if isinstance(self, SecondaryDescriptorFromDescriptorDB):
if api_implementation.Type() == 'cpp':
# Cpp extension cannot call Add on a DescriptorPool
# that uses a DescriptorDatabase.
# TODO(jieluo): Fix python and cpp extension diff.
return
file_desc = descriptor_pb2.FileDescriptorProto(name='some/file.proto')
self.pool.Add(file_desc)
self.pool.AddSerializedFile(file_desc.SerializeToString())
def testComplexNesting(self):
if isinstance(self, SecondaryDescriptorFromDescriptorDB):
if api_implementation.Type() == 'cpp':
# Cpp extension cannot call Add on a DescriptorPool
# that uses a DescriptorDatabase.
# TODO(jieluo): Fix python and cpp extension diff.
return
more_messages_desc = descriptor_pb2.FileDescriptorProto.FromString(
more_messages_pb2.DESCRIPTOR.serialized_pb)
test1_desc = descriptor_pb2.FileDescriptorProto.FromString(
descriptor_pool_test1_pb2.DESCRIPTOR.serialized_pb)
test2_desc = descriptor_pb2.FileDescriptorProto.FromString(
descriptor_pool_test2_pb2.DESCRIPTOR.serialized_pb)
self.pool.Add(more_messages_desc)
self.pool.Add(test1_desc)
self.pool.Add(test2_desc)
TEST1_FILE.CheckFile(self, self.pool)
TEST2_FILE.CheckFile(self, self.pool)
class DefaultDescriptorPoolTest(DescriptorPoolTestBase, unittest.TestCase):
def setUp(self):
self.pool = descriptor_pool.Default()
self.factory_test1_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test1_pb2.DESCRIPTOR.serialized_pb)
self.factory_test2_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test2_pb2.DESCRIPTOR.serialized_pb)
def testFindMethods(self):
self.assertIs(
self.pool.FindFileByName('google/protobuf/unittest.proto'),
unittest_pb2.DESCRIPTOR)
self.assertIs(
self.pool.FindMessageTypeByName('protobuf_unittest.TestAllTypes'),
unittest_pb2.TestAllTypes.DESCRIPTOR)
self.assertIs(
self.pool.FindFieldByName(
'protobuf_unittest.TestAllTypes.optional_int32'),
unittest_pb2.TestAllTypes.DESCRIPTOR.fields_by_name['optional_int32'])
self.assertIs(
self.pool.FindEnumTypeByName('protobuf_unittest.ForeignEnum'),
unittest_pb2.ForeignEnum.DESCRIPTOR)
self.assertIs(
self.pool.FindExtensionByName(
'protobuf_unittest.optional_int32_extension'),
unittest_pb2.DESCRIPTOR.extensions_by_name['optional_int32_extension'])
self.assertIs(
self.pool.FindOneofByName('protobuf_unittest.TestAllTypes.oneof_field'),
unittest_pb2.TestAllTypes.DESCRIPTOR.oneofs_by_name['oneof_field'])
self.assertIs(
self.pool.FindServiceByName('protobuf_unittest.TestService'),
unittest_pb2.DESCRIPTOR.services_by_name['TestService'])
class CreateDescriptorPoolTest(DescriptorPoolTestBase, unittest.TestCase):
def setUp(self):
self.pool = descriptor_pool.DescriptorPool()
self.factory_test1_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test1_pb2.DESCRIPTOR.serialized_pb)
self.factory_test2_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test2_pb2.DESCRIPTOR.serialized_pb)
self.pool.Add(self.factory_test1_fd)
self.pool.Add(self.factory_test2_fd)
self.pool.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_import_public_pb2.DESCRIPTOR.serialized_pb))
self.pool.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_import_pb2.DESCRIPTOR.serialized_pb))
self.pool.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_pb2.DESCRIPTOR.serialized_pb))
class SecondaryDescriptorFromDescriptorDB(DescriptorPoolTestBase,
unittest.TestCase):
def setUp(self):
self.factory_test1_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test1_pb2.DESCRIPTOR.serialized_pb)
self.factory_test2_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test2_pb2.DESCRIPTOR.serialized_pb)
db = descriptor_database.DescriptorDatabase()
db.Add(self.factory_test1_fd)
db.Add(self.factory_test2_fd)
db.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_import_public_pb2.DESCRIPTOR.serialized_pb))
db.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_import_pb2.DESCRIPTOR.serialized_pb))
db.Add(descriptor_pb2.FileDescriptorProto.FromString(
unittest_pb2.DESCRIPTOR.serialized_pb))
self.pool = descriptor_pool.DescriptorPool(descriptor_db=db)
class ProtoFile(object):
def __init__(self, name, package, messages, dependencies=None,
public_dependencies=None):
self.name = name
self.package = package
self.messages = messages
self.dependencies = dependencies or []
self.public_dependencies = public_dependencies or []
def CheckFile(self, test, pool):
file_desc = pool.FindFileByName(self.name)
test.assertEqual(self.name, file_desc.name)
test.assertEqual(self.package, file_desc.package)
dependencies_names = [f.name for f in file_desc.dependencies]
test.assertEqual(self.dependencies, dependencies_names)
public_dependencies_names = [f.name for f in file_desc.public_dependencies]
test.assertEqual(self.public_dependencies, public_dependencies_names)
for name, msg_type in list(self.messages.items()):
msg_type.CheckType(test, None, name, file_desc)
class EnumType(object):
def __init__(self, values):
self.values = values
def CheckType(self, test, msg_desc, name, file_desc):
enum_desc = msg_desc.enum_types_by_name[name]
test.assertEqual(name, enum_desc.name)
expected_enum_full_name = '.'.join([msg_desc.full_name, name])
test.assertEqual(expected_enum_full_name, enum_desc.full_name)
test.assertEqual(msg_desc, enum_desc.containing_type)
test.assertEqual(file_desc, enum_desc.file)
for index, (value, number) in enumerate(self.values):
value_desc = enum_desc.values_by_name[value]
test.assertEqual(value, value_desc.name)
test.assertEqual(index, value_desc.index)
test.assertEqual(number, value_desc.number)
test.assertEqual(enum_desc, value_desc.type)
test.assertIn(value, msg_desc.enum_values_by_name)
class MessageType(object):
def __init__(self, type_dict, field_list, is_extendable=False,
extensions=None):
self.type_dict = type_dict
self.field_list = field_list
self.is_extendable = is_extendable
self.extensions = extensions or []
def CheckType(self, test, containing_type_desc, name, file_desc):
if containing_type_desc is None:
desc = file_desc.message_types_by_name[name]
expected_full_name = '.'.join([file_desc.package, name])
else:
desc = containing_type_desc.nested_types_by_name[name]
expected_full_name = '.'.join([containing_type_desc.full_name, name])
test.assertEqual(name, desc.name)
test.assertEqual(expected_full_name, desc.full_name)
test.assertEqual(containing_type_desc, desc.containing_type)
test.assertEqual(desc.file, file_desc)
test.assertEqual(self.is_extendable, desc.is_extendable)
for name, subtype in list(self.type_dict.items()):
subtype.CheckType(test, desc, name, file_desc)
for index, (name, field) in enumerate(self.field_list):
field.CheckField(test, desc, name, index, file_desc)
for index, (name, field) in enumerate(self.extensions):
field.CheckField(test, desc, name, index, file_desc)
class EnumField(object):
def __init__(self, number, type_name, default_value):
self.number = number
self.type_name = type_name
self.default_value = default_value
def CheckField(self, test, msg_desc, name, index, file_desc):
field_desc = msg_desc.fields_by_name[name]
enum_desc = msg_desc.enum_types_by_name[self.type_name]
test.assertEqual(name, field_desc.name)
expected_field_full_name = '.'.join([msg_desc.full_name, name])
test.assertEqual(expected_field_full_name, field_desc.full_name)
test.assertEqual(index, field_desc.index)
test.assertEqual(self.number, field_desc.number)
test.assertEqual(descriptor.FieldDescriptor.TYPE_ENUM, field_desc.type)
test.assertEqual(descriptor.FieldDescriptor.CPPTYPE_ENUM,
field_desc.cpp_type)
test.assertTrue(field_desc.has_default_value)
test.assertEqual(enum_desc.values_by_name[self.default_value].number,
field_desc.default_value)
test.assertFalse(enum_desc.values_by_name[self.default_value].has_options)
test.assertEqual(msg_desc, field_desc.containing_type)
test.assertEqual(enum_desc, field_desc.enum_type)
test.assertEqual(file_desc, enum_desc.file)
class MessageField(object):
def __init__(self, number, type_name):
self.number = number
self.type_name = type_name
def CheckField(self, test, msg_desc, name, index, file_desc):
field_desc = msg_desc.fields_by_name[name]
field_type_desc = msg_desc.nested_types_by_name[self.type_name]
test.assertEqual(name, field_desc.name)
expected_field_full_name = '.'.join([msg_desc.full_name, name])
test.assertEqual(expected_field_full_name, field_desc.full_name)
test.assertEqual(index, field_desc.index)
test.assertEqual(self.number, field_desc.number)
test.assertEqual(descriptor.FieldDescriptor.TYPE_MESSAGE, field_desc.type)
test.assertEqual(descriptor.FieldDescriptor.CPPTYPE_MESSAGE,
field_desc.cpp_type)
test.assertFalse(field_desc.has_default_value)
test.assertEqual(msg_desc, field_desc.containing_type)
test.assertEqual(field_type_desc, field_desc.message_type)
test.assertEqual(file_desc, field_desc.file)
# TODO(jieluo): Fix python and cpp extension diff for message field
# default value.
if api_implementation.Type() == 'cpp':
test.assertRaises(
NotImplementedError, getattr, field_desc, 'default_value')
class StringField(object):
def __init__(self, number, default_value):
self.number = number
self.default_value = default_value
def CheckField(self, test, msg_desc, name, index, file_desc):
field_desc = msg_desc.fields_by_name[name]
test.assertEqual(name, field_desc.name)
expected_field_full_name = '.'.join([msg_desc.full_name, name])
test.assertEqual(expected_field_full_name, field_desc.full_name)
test.assertEqual(index, field_desc.index)
test.assertEqual(self.number, field_desc.number)
test.assertEqual(descriptor.FieldDescriptor.TYPE_STRING, field_desc.type)
test.assertEqual(descriptor.FieldDescriptor.CPPTYPE_STRING,
field_desc.cpp_type)
test.assertTrue(field_desc.has_default_value)
test.assertEqual(self.default_value, field_desc.default_value)
test.assertEqual(file_desc, field_desc.file)
class ExtensionField(object):
def __init__(self, number, extended_type):
self.number = number
self.extended_type = extended_type
def CheckField(self, test, msg_desc, name, index, file_desc):
field_desc = msg_desc.extensions_by_name[name]
test.assertEqual(name, field_desc.name)
expected_field_full_name = '.'.join([msg_desc.full_name, name])
test.assertEqual(expected_field_full_name, field_desc.full_name)
test.assertEqual(self.number, field_desc.number)
test.assertEqual(index, field_desc.index)
test.assertEqual(descriptor.FieldDescriptor.TYPE_MESSAGE, field_desc.type)
test.assertEqual(descriptor.FieldDescriptor.CPPTYPE_MESSAGE,
field_desc.cpp_type)
test.assertFalse(field_desc.has_default_value)
test.assertTrue(field_desc.is_extension)
test.assertEqual(msg_desc, field_desc.extension_scope)
test.assertEqual(msg_desc, field_desc.message_type)
test.assertEqual(self.extended_type, field_desc.containing_type.name)
test.assertEqual(file_desc, field_desc.file)
class AddDescriptorTest(unittest.TestCase):
def _TestMessage(self, prefix):
pool = descriptor_pool.DescriptorPool()
pool.AddDescriptor(unittest_pb2.TestAllTypes.DESCRIPTOR)
self.assertEqual(
'protobuf_unittest.TestAllTypes',
pool.FindMessageTypeByName(
prefix + 'protobuf_unittest.TestAllTypes').full_name)
# AddDescriptor is not recursive.
with self.assertRaises(KeyError):
pool.FindMessageTypeByName(
prefix + 'protobuf_unittest.TestAllTypes.NestedMessage')
pool.AddDescriptor(unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR)
self.assertEqual(
'protobuf_unittest.TestAllTypes.NestedMessage',
pool.FindMessageTypeByName(
prefix + 'protobuf_unittest.TestAllTypes.NestedMessage').full_name)
# Files are implicitly also indexed when messages are added.
self.assertEqual(
'google/protobuf/unittest.proto',
pool.FindFileByName(
'google/protobuf/unittest.proto').name)
self.assertEqual(
'google/protobuf/unittest.proto',
pool.FindFileContainingSymbol(
prefix + 'protobuf_unittest.TestAllTypes.NestedMessage').name)
@unittest.skipIf(api_implementation.Type() == 'cpp',
'With the cpp implementation, Add() must be called first')
def testMessage(self):
self._TestMessage('')
self._TestMessage('.')
def _TestEnum(self, prefix):
pool = descriptor_pool.DescriptorPool()
pool.AddEnumDescriptor(unittest_pb2.ForeignEnum.DESCRIPTOR)
self.assertEqual(
'protobuf_unittest.ForeignEnum',
pool.FindEnumTypeByName(
prefix + 'protobuf_unittest.ForeignEnum').full_name)
# AddEnumDescriptor is not recursive.
with self.assertRaises(KeyError):
pool.FindEnumTypeByName(
prefix + 'protobuf_unittest.ForeignEnum.NestedEnum')
pool.AddEnumDescriptor(unittest_pb2.TestAllTypes.NestedEnum.DESCRIPTOR)
self.assertEqual(
'protobuf_unittest.TestAllTypes.NestedEnum',
pool.FindEnumTypeByName(
prefix + 'protobuf_unittest.TestAllTypes.NestedEnum').full_name)
# Files are implicitly also indexed when enums are added.
self.assertEqual(
'google/protobuf/unittest.proto',
pool.FindFileByName(
'google/protobuf/unittest.proto').name)
self.assertEqual(
'google/protobuf/unittest.proto',
pool.FindFileContainingSymbol(
prefix + 'protobuf_unittest.TestAllTypes.NestedEnum').name)
@unittest.skipIf(api_implementation.Type() == 'cpp',
'With the cpp implementation, Add() must be called first')
def testEnum(self):
self._TestEnum('')
self._TestEnum('.')
@unittest.skipIf(api_implementation.Type() == 'cpp',
'With the cpp implementation, Add() must be called first')
def testService(self):
pool = descriptor_pool.DescriptorPool()
with self.assertRaises(KeyError):
pool.FindServiceByName('protobuf_unittest.TestService')
pool.AddServiceDescriptor(unittest_pb2._TESTSERVICE)
self.assertEqual(
'protobuf_unittest.TestService',
pool.FindServiceByName('protobuf_unittest.TestService').full_name)
@unittest.skipIf(api_implementation.Type() == 'cpp',
'With the cpp implementation, Add() must be called first')
def testFile(self):
pool = descriptor_pool.DescriptorPool()
pool.AddFileDescriptor(unittest_pb2.DESCRIPTOR)
self.assertEqual(
'google/protobuf/unittest.proto',
pool.FindFileByName(
'google/protobuf/unittest.proto').name)
# AddFileDescriptor is not recursive; messages and enums within files must
# be explicitly registered.
with self.assertRaises(KeyError):
pool.FindFileContainingSymbol(
'protobuf_unittest.TestAllTypes')
def testEmptyDescriptorPool(self):
# Check that an empty DescriptorPool() contains no messages.
pool = descriptor_pool.DescriptorPool()
proto_file_name = descriptor_pb2.DESCRIPTOR.name
self.assertRaises(KeyError, pool.FindFileByName, proto_file_name)
# Add the above file to the pool
file_descriptor = descriptor_pb2.FileDescriptorProto()
descriptor_pb2.DESCRIPTOR.CopyToProto(file_descriptor)
pool.Add(file_descriptor)
# Now it exists.
self.assertTrue(pool.FindFileByName(proto_file_name))
def testCustomDescriptorPool(self):
# Create a new pool, and add a file descriptor.
pool = descriptor_pool.DescriptorPool()
file_desc = descriptor_pb2.FileDescriptorProto(
name='some/file.proto', package='package')
file_desc.message_type.add(name='Message')
pool.Add(file_desc)
self.assertEqual(pool.FindFileByName('some/file.proto').name,
'some/file.proto')
self.assertEqual(pool.FindMessageTypeByName('package.Message').name,
'Message')
# Test no package
file_proto = descriptor_pb2.FileDescriptorProto(
name='some/filename/container.proto')
message_proto = file_proto.message_type.add(
name='TopMessage')
message_proto.field.add(
name='bb',
number=1,
type=descriptor_pb2.FieldDescriptorProto.TYPE_INT32,
label=descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL)
enum_proto = file_proto.enum_type.add(name='TopEnum')
enum_proto.value.add(name='FOREIGN_FOO', number=4)
file_proto.service.add(name='TopService')
pool = descriptor_pool.DescriptorPool()
pool.Add(file_proto)
self.assertEqual('TopMessage',
pool.FindMessageTypeByName('TopMessage').name)
self.assertEqual('TopEnum', pool.FindEnumTypeByName('TopEnum').name)
self.assertEqual('TopService', pool.FindServiceByName('TopService').name)
def testFileDescriptorOptionsWithCustomDescriptorPool(self):
# Create a descriptor pool, and add a new FileDescriptorProto to it.
pool = descriptor_pool.DescriptorPool()
file_name = 'file_descriptor_options_with_custom_descriptor_pool.proto'
file_descriptor_proto = descriptor_pb2.FileDescriptorProto(name=file_name)
extension_id = file_options_test_pb2.foo_options
file_descriptor_proto.options.Extensions[extension_id].foo_name = 'foo'
pool.Add(file_descriptor_proto)
# The options set on the FileDescriptorProto should be available in the
# descriptor even if they contain extensions that cannot be deserialized
# using the pool.
file_descriptor = pool.FindFileByName(file_name)
options = file_descriptor.GetOptions()
self.assertEqual('foo', options.Extensions[extension_id].foo_name)
# The object returned by GetOptions() is cached.
self.assertIs(options, file_descriptor.GetOptions())
def testAddTypeError(self):
pool = descriptor_pool.DescriptorPool()
with self.assertRaises(TypeError):
pool.AddDescriptor(0)
with self.assertRaises(TypeError):
pool.AddEnumDescriptor(0)
with self.assertRaises(TypeError):
pool.AddServiceDescriptor(0)
with self.assertRaises(TypeError):
pool.AddExtensionDescriptor(0)
with self.assertRaises(TypeError):
pool.AddFileDescriptor(0)
TEST1_FILE = ProtoFile(
'google/protobuf/internal/descriptor_pool_test1.proto',
'google.protobuf.python.internal',
{
'DescriptorPoolTest1': MessageType({
'NestedEnum': EnumType([('ALPHA', 1), ('BETA', 2)]),
'NestedMessage': MessageType({
'NestedEnum': EnumType([('EPSILON', 5), ('ZETA', 6)]),
'DeepNestedMessage': MessageType({
'NestedEnum': EnumType([('ETA', 7), ('THETA', 8)]),
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'ETA')),
('nested_field', StringField(2, 'theta')),
]),
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'ZETA')),
('nested_field', StringField(2, 'beta')),
('deep_nested_message', MessageField(3, 'DeepNestedMessage')),
])
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'BETA')),
('nested_message', MessageField(2, 'NestedMessage')),
], is_extendable=True),
'DescriptorPoolTest2': MessageType({
'NestedEnum': EnumType([('GAMMA', 3), ('DELTA', 4)]),
'NestedMessage': MessageType({
'NestedEnum': EnumType([('IOTA', 9), ('KAPPA', 10)]),
'DeepNestedMessage': MessageType({
'NestedEnum': EnumType([('LAMBDA', 11), ('MU', 12)]),
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'MU')),
('nested_field', StringField(2, 'lambda')),
]),
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'IOTA')),
('nested_field', StringField(2, 'delta')),
('deep_nested_message', MessageField(3, 'DeepNestedMessage')),
])
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'GAMMA')),
('nested_message', MessageField(2, 'NestedMessage')),
]),
})
TEST2_FILE = ProtoFile(
'google/protobuf/internal/descriptor_pool_test2.proto',
'google.protobuf.python.internal',
{
'DescriptorPoolTest3': MessageType({
'NestedEnum': EnumType([('NU', 13), ('XI', 14)]),
'NestedMessage': MessageType({
'NestedEnum': EnumType([('OMICRON', 15), ('PI', 16)]),
'DeepNestedMessage': MessageType({
'NestedEnum': EnumType([('RHO', 17), ('SIGMA', 18)]),
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'RHO')),
('nested_field', StringField(2, 'sigma')),
]),
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'PI')),
('nested_field', StringField(2, 'nu')),
('deep_nested_message', MessageField(3, 'DeepNestedMessage')),
])
}, [
('nested_enum', EnumField(1, 'NestedEnum', 'XI')),
('nested_message', MessageField(2, 'NestedMessage')),
], extensions=[
('descriptor_pool_test',
ExtensionField(1001, 'DescriptorPoolTest1')),
]),
},
dependencies=['google/protobuf/internal/descriptor_pool_test1.proto',
'google/protobuf/internal/more_messages.proto'],
public_dependencies=['google/protobuf/internal/more_messages.proto'])
if __name__ == '__main__':
unittest.main()
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