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descriptor_pool_test.py
← Geri Dön
# # Protocol Buffers - Google's data interchange format # Copyright 2008 Google Inc. All rights reserved. # https://developers.google.com/protocol-buffers/ # # Redistribution and use in source and binary forms, with or without # 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. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """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 = long except NameError: # Python3 int64 = int try: unicode_type = unicode 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, u'', 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 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 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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