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Diffstat (limited to 'generator/google/protobuf/internal/descriptor_test.py')
| -rw-r--r-- | generator/google/protobuf/internal/descriptor_test.py | 823 |
1 files changed, 823 insertions, 0 deletions
diff --git a/generator/google/protobuf/internal/descriptor_test.py b/generator/google/protobuf/internal/descriptor_test.py new file mode 100644 index 0000000..623198c --- /dev/null +++ b/generator/google/protobuf/internal/descriptor_test.py @@ -0,0 +1,823 @@ +#! /usr/bin/env python +# +# 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. + +"""Unittest for google.protobuf.internal.descriptor.""" + +__author__ = 'robinson@google.com (Will Robinson)' + +import sys + +try: + import unittest2 as unittest #PY26 +except ImportError: + import unittest + +from google.protobuf import unittest_custom_options_pb2 +from google.protobuf import unittest_import_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 test_util +from google.protobuf import descriptor +from google.protobuf import descriptor_pool +from google.protobuf import symbol_database +from google.protobuf import text_format + + +TEST_EMPTY_MESSAGE_DESCRIPTOR_ASCII = """ +name: 'TestEmptyMessage' +""" + + +class DescriptorTest(unittest.TestCase): + + def setUp(self): + file_proto = descriptor_pb2.FileDescriptorProto( + name='some/filename/some.proto', + package='protobuf_unittest') + message_proto = file_proto.message_type.add( + name='NestedMessage') + message_proto.field.add( + name='bb', + number=1, + type=descriptor_pb2.FieldDescriptorProto.TYPE_INT32, + label=descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL) + enum_proto = message_proto.enum_type.add( + name='ForeignEnum') + enum_proto.value.add(name='FOREIGN_FOO', number=4) + enum_proto.value.add(name='FOREIGN_BAR', number=5) + enum_proto.value.add(name='FOREIGN_BAZ', number=6) + + file_proto.message_type.add(name='ResponseMessage') + service_proto = file_proto.service.add( + name='Service') + method_proto = service_proto.method.add( + name='CallMethod', + input_type='.protobuf_unittest.NestedMessage', + output_type='.protobuf_unittest.ResponseMessage') + + # Note: Calling DescriptorPool.Add() multiple times with the same file only + # works if the input is canonical; in particular, all type names must be + # fully qualified. + self.pool = self.GetDescriptorPool() + self.pool.Add(file_proto) + self.my_file = self.pool.FindFileByName(file_proto.name) + self.my_message = self.my_file.message_types_by_name[message_proto.name] + self.my_enum = self.my_message.enum_types_by_name[enum_proto.name] + self.my_service = self.my_file.services_by_name[service_proto.name] + self.my_method = self.my_service.methods_by_name[method_proto.name] + + def GetDescriptorPool(self): + return symbol_database.Default().pool + + def testEnumValueName(self): + self.assertEqual(self.my_message.EnumValueName('ForeignEnum', 4), + 'FOREIGN_FOO') + + self.assertEqual( + self.my_message.enum_types_by_name[ + 'ForeignEnum'].values_by_number[4].name, + self.my_message.EnumValueName('ForeignEnum', 4)) + + def testEnumFixups(self): + self.assertEqual(self.my_enum, self.my_enum.values[0].type) + + def testContainingTypeFixups(self): + self.assertEqual(self.my_message, self.my_message.fields[0].containing_type) + self.assertEqual(self.my_message, self.my_enum.containing_type) + + def testContainingServiceFixups(self): + self.assertEqual(self.my_service, self.my_method.containing_service) + + def testGetOptions(self): + self.assertEqual(self.my_enum.GetOptions(), + descriptor_pb2.EnumOptions()) + self.assertEqual(self.my_enum.values[0].GetOptions(), + descriptor_pb2.EnumValueOptions()) + self.assertEqual(self.my_message.GetOptions(), + descriptor_pb2.MessageOptions()) + self.assertEqual(self.my_message.fields[0].GetOptions(), + descriptor_pb2.FieldOptions()) + self.assertEqual(self.my_method.GetOptions(), + descriptor_pb2.MethodOptions()) + self.assertEqual(self.my_service.GetOptions(), + descriptor_pb2.ServiceOptions()) + + def testSimpleCustomOptions(self): + file_descriptor = unittest_custom_options_pb2.DESCRIPTOR + message_descriptor =\ + unittest_custom_options_pb2.TestMessageWithCustomOptions.DESCRIPTOR + field_descriptor = message_descriptor.fields_by_name['field1'] + oneof_descriptor = message_descriptor.oneofs_by_name['AnOneof'] + enum_descriptor = message_descriptor.enum_types_by_name['AnEnum'] + enum_value_descriptor =\ + message_descriptor.enum_values_by_name['ANENUM_VAL2'] + service_descriptor =\ + unittest_custom_options_pb2.TestServiceWithCustomOptions.DESCRIPTOR + method_descriptor = service_descriptor.FindMethodByName('Foo') + + file_options = file_descriptor.GetOptions() + file_opt1 = unittest_custom_options_pb2.file_opt1 + self.assertEqual(9876543210, file_options.Extensions[file_opt1]) + message_options = message_descriptor.GetOptions() + message_opt1 = unittest_custom_options_pb2.message_opt1 + self.assertEqual(-56, message_options.Extensions[message_opt1]) + field_options = field_descriptor.GetOptions() + field_opt1 = unittest_custom_options_pb2.field_opt1 + self.assertEqual(8765432109, field_options.Extensions[field_opt1]) + field_opt2 = unittest_custom_options_pb2.field_opt2 + self.assertEqual(42, field_options.Extensions[field_opt2]) + oneof_options = oneof_descriptor.GetOptions() + oneof_opt1 = unittest_custom_options_pb2.oneof_opt1 + self.assertEqual(-99, oneof_options.Extensions[oneof_opt1]) + enum_options = enum_descriptor.GetOptions() + enum_opt1 = unittest_custom_options_pb2.enum_opt1 + self.assertEqual(-789, enum_options.Extensions[enum_opt1]) + enum_value_options = enum_value_descriptor.GetOptions() + enum_value_opt1 = unittest_custom_options_pb2.enum_value_opt1 + self.assertEqual(123, enum_value_options.Extensions[enum_value_opt1]) + + service_options = service_descriptor.GetOptions() + service_opt1 = unittest_custom_options_pb2.service_opt1 + self.assertEqual(-9876543210, service_options.Extensions[service_opt1]) + method_options = method_descriptor.GetOptions() + method_opt1 = unittest_custom_options_pb2.method_opt1 + self.assertEqual(unittest_custom_options_pb2.METHODOPT1_VAL2, + method_options.Extensions[method_opt1]) + + message_descriptor = ( + unittest_custom_options_pb2.DummyMessageContainingEnum.DESCRIPTOR) + self.assertTrue(file_descriptor.has_options) + self.assertFalse(message_descriptor.has_options) + + def testDifferentCustomOptionTypes(self): + kint32min = -2**31 + kint64min = -2**63 + kint32max = 2**31 - 1 + kint64max = 2**63 - 1 + kuint32max = 2**32 - 1 + kuint64max = 2**64 - 1 + + message_descriptor =\ + unittest_custom_options_pb2.CustomOptionMinIntegerValues.DESCRIPTOR + message_options = message_descriptor.GetOptions() + self.assertEqual(False, message_options.Extensions[ + unittest_custom_options_pb2.bool_opt]) + self.assertEqual(kint32min, message_options.Extensions[ + unittest_custom_options_pb2.int32_opt]) + self.assertEqual(kint64min, message_options.Extensions[ + unittest_custom_options_pb2.int64_opt]) + self.assertEqual(0, message_options.Extensions[ + unittest_custom_options_pb2.uint32_opt]) + self.assertEqual(0, message_options.Extensions[ + unittest_custom_options_pb2.uint64_opt]) + self.assertEqual(kint32min, message_options.Extensions[ + unittest_custom_options_pb2.sint32_opt]) + self.assertEqual(kint64min, message_options.Extensions[ + unittest_custom_options_pb2.sint64_opt]) + self.assertEqual(0, message_options.Extensions[ + unittest_custom_options_pb2.fixed32_opt]) + self.assertEqual(0, message_options.Extensions[ + unittest_custom_options_pb2.fixed64_opt]) + self.assertEqual(kint32min, message_options.Extensions[ + unittest_custom_options_pb2.sfixed32_opt]) + self.assertEqual(kint64min, message_options.Extensions[ + unittest_custom_options_pb2.sfixed64_opt]) + + message_descriptor =\ + unittest_custom_options_pb2.CustomOptionMaxIntegerValues.DESCRIPTOR + message_options = message_descriptor.GetOptions() + self.assertEqual(True, message_options.Extensions[ + unittest_custom_options_pb2.bool_opt]) + self.assertEqual(kint32max, message_options.Extensions[ + unittest_custom_options_pb2.int32_opt]) + self.assertEqual(kint64max, message_options.Extensions[ + unittest_custom_options_pb2.int64_opt]) + self.assertEqual(kuint32max, message_options.Extensions[ + unittest_custom_options_pb2.uint32_opt]) + self.assertEqual(kuint64max, message_options.Extensions[ + unittest_custom_options_pb2.uint64_opt]) + self.assertEqual(kint32max, message_options.Extensions[ + unittest_custom_options_pb2.sint32_opt]) + self.assertEqual(kint64max, message_options.Extensions[ + unittest_custom_options_pb2.sint64_opt]) + self.assertEqual(kuint32max, message_options.Extensions[ + unittest_custom_options_pb2.fixed32_opt]) + self.assertEqual(kuint64max, message_options.Extensions[ + unittest_custom_options_pb2.fixed64_opt]) + self.assertEqual(kint32max, message_options.Extensions[ + unittest_custom_options_pb2.sfixed32_opt]) + self.assertEqual(kint64max, message_options.Extensions[ + unittest_custom_options_pb2.sfixed64_opt]) + + message_descriptor =\ + unittest_custom_options_pb2.CustomOptionOtherValues.DESCRIPTOR + message_options = message_descriptor.GetOptions() + self.assertEqual(-100, message_options.Extensions[ + unittest_custom_options_pb2.int32_opt]) + self.assertAlmostEqual(12.3456789, message_options.Extensions[ + unittest_custom_options_pb2.float_opt], 6) + self.assertAlmostEqual(1.234567890123456789, message_options.Extensions[ + unittest_custom_options_pb2.double_opt]) + self.assertEqual("Hello, \"World\"", message_options.Extensions[ + unittest_custom_options_pb2.string_opt]) + self.assertEqual(b"Hello\0World", message_options.Extensions[ + unittest_custom_options_pb2.bytes_opt]) + dummy_enum = unittest_custom_options_pb2.DummyMessageContainingEnum + self.assertEqual( + dummy_enum.TEST_OPTION_ENUM_TYPE2, + message_options.Extensions[unittest_custom_options_pb2.enum_opt]) + + message_descriptor =\ + unittest_custom_options_pb2.SettingRealsFromPositiveInts.DESCRIPTOR + message_options = message_descriptor.GetOptions() + self.assertAlmostEqual(12, message_options.Extensions[ + unittest_custom_options_pb2.float_opt], 6) + self.assertAlmostEqual(154, message_options.Extensions[ + unittest_custom_options_pb2.double_opt]) + + message_descriptor =\ + unittest_custom_options_pb2.SettingRealsFromNegativeInts.DESCRIPTOR + message_options = message_descriptor.GetOptions() + self.assertAlmostEqual(-12, message_options.Extensions[ + unittest_custom_options_pb2.float_opt], 6) + self.assertAlmostEqual(-154, message_options.Extensions[ + unittest_custom_options_pb2.double_opt]) + + def testComplexExtensionOptions(self): + descriptor =\ + unittest_custom_options_pb2.VariousComplexOptions.DESCRIPTOR + options = descriptor.GetOptions() + self.assertEqual(42, options.Extensions[ + unittest_custom_options_pb2.complex_opt1].foo) + self.assertEqual(324, options.Extensions[ + unittest_custom_options_pb2.complex_opt1].Extensions[ + unittest_custom_options_pb2.quux]) + self.assertEqual(876, options.Extensions[ + unittest_custom_options_pb2.complex_opt1].Extensions[ + unittest_custom_options_pb2.corge].qux) + self.assertEqual(987, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].baz) + self.assertEqual(654, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].Extensions[ + unittest_custom_options_pb2.grault]) + self.assertEqual(743, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].bar.foo) + self.assertEqual(1999, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].bar.Extensions[ + unittest_custom_options_pb2.quux]) + self.assertEqual(2008, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].bar.Extensions[ + unittest_custom_options_pb2.corge].qux) + self.assertEqual(741, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].Extensions[ + unittest_custom_options_pb2.garply].foo) + self.assertEqual(1998, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].Extensions[ + unittest_custom_options_pb2.garply].Extensions[ + unittest_custom_options_pb2.quux]) + self.assertEqual(2121, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].Extensions[ + unittest_custom_options_pb2.garply].Extensions[ + unittest_custom_options_pb2.corge].qux) + self.assertEqual(1971, options.Extensions[ + unittest_custom_options_pb2.ComplexOptionType2 + .ComplexOptionType4.complex_opt4].waldo) + self.assertEqual(321, options.Extensions[ + unittest_custom_options_pb2.complex_opt2].fred.waldo) + self.assertEqual(9, options.Extensions[ + unittest_custom_options_pb2.complex_opt3].qux) + self.assertEqual(22, options.Extensions[ + unittest_custom_options_pb2.complex_opt3].complexoptiontype5.plugh) + self.assertEqual(24, options.Extensions[ + unittest_custom_options_pb2.complexopt6].xyzzy) + + # Check that aggregate options were parsed and saved correctly in + # the appropriate descriptors. + def testAggregateOptions(self): + file_descriptor = unittest_custom_options_pb2.DESCRIPTOR + message_descriptor =\ + unittest_custom_options_pb2.AggregateMessage.DESCRIPTOR + field_descriptor = message_descriptor.fields_by_name["fieldname"] + enum_descriptor = unittest_custom_options_pb2.AggregateEnum.DESCRIPTOR + enum_value_descriptor = enum_descriptor.values_by_name["VALUE"] + service_descriptor =\ + unittest_custom_options_pb2.AggregateService.DESCRIPTOR + method_descriptor = service_descriptor.FindMethodByName("Method") + + # Tests for the different types of data embedded in fileopt + file_options = file_descriptor.GetOptions().Extensions[ + unittest_custom_options_pb2.fileopt] + self.assertEqual(100, file_options.i) + self.assertEqual("FileAnnotation", file_options.s) + self.assertEqual("NestedFileAnnotation", file_options.sub.s) + self.assertEqual("FileExtensionAnnotation", file_options.file.Extensions[ + unittest_custom_options_pb2.fileopt].s) + self.assertEqual("EmbeddedMessageSetElement", file_options.mset.Extensions[ + unittest_custom_options_pb2.AggregateMessageSetElement + .message_set_extension].s) + + # Simple tests for all the other types of annotations + self.assertEqual( + "MessageAnnotation", + message_descriptor.GetOptions().Extensions[ + unittest_custom_options_pb2.msgopt].s) + self.assertEqual( + "FieldAnnotation", + field_descriptor.GetOptions().Extensions[ + unittest_custom_options_pb2.fieldopt].s) + self.assertEqual( + "EnumAnnotation", + enum_descriptor.GetOptions().Extensions[ + unittest_custom_options_pb2.enumopt].s) + self.assertEqual( + "EnumValueAnnotation", + enum_value_descriptor.GetOptions().Extensions[ + unittest_custom_options_pb2.enumvalopt].s) + self.assertEqual( + "ServiceAnnotation", + service_descriptor.GetOptions().Extensions[ + unittest_custom_options_pb2.serviceopt].s) + self.assertEqual( + "MethodAnnotation", + method_descriptor.GetOptions().Extensions[ + unittest_custom_options_pb2.methodopt].s) + + def testNestedOptions(self): + nested_message =\ + unittest_custom_options_pb2.NestedOptionType.NestedMessage.DESCRIPTOR + self.assertEqual(1001, nested_message.GetOptions().Extensions[ + unittest_custom_options_pb2.message_opt1]) + nested_field = nested_message.fields_by_name["nested_field"] + self.assertEqual(1002, nested_field.GetOptions().Extensions[ + unittest_custom_options_pb2.field_opt1]) + outer_message =\ + unittest_custom_options_pb2.NestedOptionType.DESCRIPTOR + nested_enum = outer_message.enum_types_by_name["NestedEnum"] + self.assertEqual(1003, nested_enum.GetOptions().Extensions[ + unittest_custom_options_pb2.enum_opt1]) + nested_enum_value = outer_message.enum_values_by_name["NESTED_ENUM_VALUE"] + self.assertEqual(1004, nested_enum_value.GetOptions().Extensions[ + unittest_custom_options_pb2.enum_value_opt1]) + nested_extension = outer_message.extensions_by_name["nested_extension"] + self.assertEqual(1005, nested_extension.GetOptions().Extensions[ + unittest_custom_options_pb2.field_opt2]) + + def testFileDescriptorReferences(self): + self.assertEqual(self.my_enum.file, self.my_file) + self.assertEqual(self.my_message.file, self.my_file) + + def testFileDescriptor(self): + self.assertEqual(self.my_file.name, 'some/filename/some.proto') + self.assertEqual(self.my_file.package, 'protobuf_unittest') + self.assertEqual(self.my_file.pool, self.pool) + # Generated modules also belong to the default pool. + self.assertEqual(unittest_pb2.DESCRIPTOR.pool, descriptor_pool.Default()) + + @unittest.skipIf( + api_implementation.Type() != 'cpp' or api_implementation.Version() != 2, + 'Immutability of descriptors is only enforced in v2 implementation') + def testImmutableCppDescriptor(self): + message_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR + with self.assertRaises(AttributeError): + message_descriptor.fields_by_name = None + with self.assertRaises(TypeError): + message_descriptor.fields_by_name['Another'] = None + with self.assertRaises(TypeError): + message_descriptor.fields.append(None) + + +class NewDescriptorTest(DescriptorTest): + """Redo the same tests as above, but with a separate DescriptorPool.""" + + def GetDescriptorPool(self): + return descriptor_pool.DescriptorPool() + + +class GeneratedDescriptorTest(unittest.TestCase): + """Tests for the properties of descriptors in generated code.""" + + def CheckMessageDescriptor(self, message_descriptor): + # Basic properties + self.assertEqual(message_descriptor.name, 'TestAllTypes') + self.assertEqual(message_descriptor.full_name, + 'protobuf_unittest.TestAllTypes') + # Test equality and hashability + self.assertEqual(message_descriptor, message_descriptor) + self.assertEqual(message_descriptor.fields[0].containing_type, + message_descriptor) + self.assertIn(message_descriptor, [message_descriptor]) + self.assertIn(message_descriptor, {message_descriptor: None}) + # Test field containers + self.CheckDescriptorSequence(message_descriptor.fields) + self.CheckDescriptorMapping(message_descriptor.fields_by_name) + self.CheckDescriptorMapping(message_descriptor.fields_by_number) + self.CheckDescriptorMapping(message_descriptor.fields_by_camelcase_name) + + def CheckFieldDescriptor(self, field_descriptor): + # Basic properties + self.assertEqual(field_descriptor.name, 'optional_int32') + self.assertEqual(field_descriptor.camelcase_name, 'optionalInt32') + self.assertEqual(field_descriptor.full_name, + 'protobuf_unittest.TestAllTypes.optional_int32') + self.assertEqual(field_descriptor.containing_type.name, 'TestAllTypes') + # Test equality and hashability + self.assertEqual(field_descriptor, field_descriptor) + self.assertEqual( + field_descriptor.containing_type.fields_by_name['optional_int32'], + field_descriptor) + self.assertEqual( + field_descriptor.containing_type.fields_by_camelcase_name[ + 'optionalInt32'], + field_descriptor) + self.assertIn(field_descriptor, [field_descriptor]) + self.assertIn(field_descriptor, {field_descriptor: None}) + + def CheckDescriptorSequence(self, sequence): + # Verifies that a property like 'messageDescriptor.fields' has all the + # properties of an immutable abc.Sequence. + self.assertGreater(len(sequence), 0) # Sized + self.assertEqual(len(sequence), len(list(sequence))) # Iterable + item = sequence[0] + self.assertEqual(item, sequence[0]) + self.assertIn(item, sequence) # Container + self.assertEqual(sequence.index(item), 0) + self.assertEqual(sequence.count(item), 1) + reversed_iterator = reversed(sequence) + self.assertEqual(list(reversed_iterator), list(sequence)[::-1]) + self.assertRaises(StopIteration, next, reversed_iterator) + + def CheckDescriptorMapping(self, mapping): + # Verifies that a property like 'messageDescriptor.fields' has all the + # properties of an immutable abc.Mapping. + self.assertGreater(len(mapping), 0) # Sized + self.assertEqual(len(mapping), len(list(mapping))) # Iterable + if sys.version_info >= (3,): + key, item = next(iter(mapping.items())) + else: + key, item = mapping.items()[0] + self.assertIn(key, mapping) # Container + self.assertEqual(mapping.get(key), item) + # keys(), iterkeys() &co + item = (next(iter(mapping.keys())), next(iter(mapping.values()))) + self.assertEqual(item, next(iter(mapping.items()))) + if sys.version_info < (3,): + def CheckItems(seq, iterator): + self.assertEqual(next(iterator), seq[0]) + self.assertEqual(list(iterator), seq[1:]) + CheckItems(mapping.keys(), mapping.iterkeys()) + CheckItems(mapping.values(), mapping.itervalues()) + CheckItems(mapping.items(), mapping.iteritems()) + + def testDescriptor(self): + message_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR + self.CheckMessageDescriptor(message_descriptor) + field_descriptor = message_descriptor.fields_by_name['optional_int32'] + self.CheckFieldDescriptor(field_descriptor) + field_descriptor = message_descriptor.fields_by_camelcase_name[ + 'optionalInt32'] + self.CheckFieldDescriptor(field_descriptor) + + def testCppDescriptorContainer(self): + # Check that the collection is still valid even if the parent disappeared. + enum = unittest_pb2.TestAllTypes.DESCRIPTOR.enum_types_by_name['NestedEnum'] + values = enum.values + del enum + self.assertEqual('FOO', values[0].name) + + def testCppDescriptorContainer_Iterator(self): + # Same test with the iterator + enum = unittest_pb2.TestAllTypes.DESCRIPTOR.enum_types_by_name['NestedEnum'] + values_iter = iter(enum.values) + del enum + self.assertEqual('FOO', next(values_iter).name) + + +class DescriptorCopyToProtoTest(unittest.TestCase): + """Tests for CopyTo functions of Descriptor.""" + + def _AssertProtoEqual(self, actual_proto, expected_class, expected_ascii): + expected_proto = expected_class() + text_format.Merge(expected_ascii, expected_proto) + + self.assertEqual( + actual_proto, expected_proto, + 'Not equal,\nActual:\n%s\nExpected:\n%s\n' + % (str(actual_proto), str(expected_proto))) + + def _InternalTestCopyToProto(self, desc, expected_proto_class, + expected_proto_ascii): + actual = expected_proto_class() + desc.CopyToProto(actual) + self._AssertProtoEqual( + actual, expected_proto_class, expected_proto_ascii) + + def testCopyToProto_EmptyMessage(self): + self._InternalTestCopyToProto( + unittest_pb2.TestEmptyMessage.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_EMPTY_MESSAGE_DESCRIPTOR_ASCII) + + def testCopyToProto_NestedMessage(self): + TEST_NESTED_MESSAGE_ASCII = """ + name: 'NestedMessage' + field: < + name: 'bb' + number: 1 + label: 1 # Optional + type: 5 # TYPE_INT32 + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_NESTED_MESSAGE_ASCII) + + def testCopyToProto_ForeignNestedMessage(self): + TEST_FOREIGN_NESTED_ASCII = """ + name: 'TestForeignNested' + field: < + name: 'foreign_nested' + number: 1 + label: 1 # Optional + type: 11 # TYPE_MESSAGE + type_name: '.protobuf_unittest.TestAllTypes.NestedMessage' + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestForeignNested.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_FOREIGN_NESTED_ASCII) + + def testCopyToProto_ForeignEnum(self): + TEST_FOREIGN_ENUM_ASCII = """ + name: 'ForeignEnum' + value: < + name: 'FOREIGN_FOO' + number: 4 + > + value: < + name: 'FOREIGN_BAR' + number: 5 + > + value: < + name: 'FOREIGN_BAZ' + number: 6 + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.ForeignEnum.DESCRIPTOR, + descriptor_pb2.EnumDescriptorProto, + TEST_FOREIGN_ENUM_ASCII) + + def testCopyToProto_Options(self): + TEST_DEPRECATED_FIELDS_ASCII = """ + name: 'TestDeprecatedFields' + field: < + name: 'deprecated_int32' + number: 1 + label: 1 # Optional + type: 5 # TYPE_INT32 + options: < + deprecated: true + > + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestDeprecatedFields.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_DEPRECATED_FIELDS_ASCII) + + def testCopyToProto_AllExtensions(self): + TEST_EMPTY_MESSAGE_WITH_EXTENSIONS_ASCII = """ + name: 'TestEmptyMessageWithExtensions' + extension_range: < + start: 1 + end: 536870912 + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestEmptyMessageWithExtensions.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_EMPTY_MESSAGE_WITH_EXTENSIONS_ASCII) + + def testCopyToProto_SeveralExtensions(self): + TEST_MESSAGE_WITH_SEVERAL_EXTENSIONS_ASCII = """ + name: 'TestMultipleExtensionRanges' + extension_range: < + start: 42 + end: 43 + > + extension_range: < + start: 4143 + end: 4244 + > + extension_range: < + start: 65536 + end: 536870912 + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestMultipleExtensionRanges.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_MESSAGE_WITH_SEVERAL_EXTENSIONS_ASCII) + + # Disable this test so we can make changes to the proto file. + # TODO(xiaofeng): Enable this test after cl/55530659 is submitted. + # + # def testCopyToProto_FileDescriptor(self): + # UNITTEST_IMPORT_FILE_DESCRIPTOR_ASCII = (""" + # name: 'google/protobuf/unittest_import.proto' + # package: 'protobuf_unittest_import' + # dependency: 'google/protobuf/unittest_import_public.proto' + # message_type: < + # name: 'ImportMessage' + # field: < + # name: 'd' + # number: 1 + # label: 1 # Optional + # type: 5 # TYPE_INT32 + # > + # > + # """ + + # """enum_type: < + # name: 'ImportEnum' + # value: < + # name: 'IMPORT_FOO' + # number: 7 + # > + # value: < + # name: 'IMPORT_BAR' + # number: 8 + # > + # value: < + # name: 'IMPORT_BAZ' + # number: 9 + # > + # > + # options: < + # java_package: 'com.google.protobuf.test' + # optimize_for: 1 # SPEED + # > + # public_dependency: 0 + # """) + # self._InternalTestCopyToProto( + # unittest_import_pb2.DESCRIPTOR, + # descriptor_pb2.FileDescriptorProto, + # UNITTEST_IMPORT_FILE_DESCRIPTOR_ASCII) + + def testCopyToProto_ServiceDescriptor(self): + TEST_SERVICE_ASCII = """ + name: 'TestService' + method: < + name: 'Foo' + input_type: '.protobuf_unittest.FooRequest' + output_type: '.protobuf_unittest.FooResponse' + > + method: < + name: 'Bar' + input_type: '.protobuf_unittest.BarRequest' + output_type: '.protobuf_unittest.BarResponse' + > + """ + # TODO(rocking): enable this test after the proto descriptor change is + # checked in. + #self._InternalTestCopyToProto( + # unittest_pb2.TestService.DESCRIPTOR, + # descriptor_pb2.ServiceDescriptorProto, + # TEST_SERVICE_ASCII) + + +class MakeDescriptorTest(unittest.TestCase): + + def testMakeDescriptorWithNestedFields(self): + file_descriptor_proto = descriptor_pb2.FileDescriptorProto() + file_descriptor_proto.name = 'Foo2' + message_type = file_descriptor_proto.message_type.add() + message_type.name = file_descriptor_proto.name + nested_type = message_type.nested_type.add() + nested_type.name = 'Sub' + enum_type = nested_type.enum_type.add() + enum_type.name = 'FOO' + enum_type_val = enum_type.value.add() + enum_type_val.name = 'BAR' + enum_type_val.number = 3 + field = message_type.field.add() + field.number = 1 + field.name = 'uint64_field' + field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + field.type = descriptor.FieldDescriptor.TYPE_UINT64 + field = message_type.field.add() + field.number = 2 + field.name = 'nested_message_field' + field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + field.type = descriptor.FieldDescriptor.TYPE_MESSAGE + field.type_name = 'Sub' + enum_field = nested_type.field.add() + enum_field.number = 2 + enum_field.name = 'bar_field' + enum_field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + enum_field.type = descriptor.FieldDescriptor.TYPE_ENUM + enum_field.type_name = 'Foo2.Sub.FOO' + + result = descriptor.MakeDescriptor(message_type) + self.assertEqual(result.fields[0].cpp_type, + descriptor.FieldDescriptor.CPPTYPE_UINT64) + self.assertEqual(result.fields[1].cpp_type, + descriptor.FieldDescriptor.CPPTYPE_MESSAGE) + self.assertEqual(result.fields[1].message_type.containing_type, + result) + self.assertEqual(result.nested_types[0].fields[0].full_name, + 'Foo2.Sub.bar_field') + self.assertEqual(result.nested_types[0].fields[0].enum_type, + result.nested_types[0].enum_types[0]) + + def testMakeDescriptorWithUnsignedIntField(self): + file_descriptor_proto = descriptor_pb2.FileDescriptorProto() + file_descriptor_proto.name = 'Foo' + message_type = file_descriptor_proto.message_type.add() + message_type.name = file_descriptor_proto.name + enum_type = message_type.enum_type.add() + enum_type.name = 'FOO' + enum_type_val = enum_type.value.add() + enum_type_val.name = 'BAR' + enum_type_val.number = 3 + field = message_type.field.add() + field.number = 1 + field.name = 'uint64_field' + field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + field.type = descriptor.FieldDescriptor.TYPE_UINT64 + enum_field = message_type.field.add() + enum_field.number = 2 + enum_field.name = 'bar_field' + enum_field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + enum_field.type = descriptor.FieldDescriptor.TYPE_ENUM + enum_field.type_name = 'Foo.FOO' + + result = descriptor.MakeDescriptor(message_type) + self.assertEqual(result.fields[0].cpp_type, + descriptor.FieldDescriptor.CPPTYPE_UINT64) + + + def testMakeDescriptorWithOptions(self): + descriptor_proto = descriptor_pb2.DescriptorProto() + aggregate_message = unittest_custom_options_pb2.AggregateMessage + aggregate_message.DESCRIPTOR.CopyToProto(descriptor_proto) + reformed_descriptor = descriptor.MakeDescriptor(descriptor_proto) + + options = reformed_descriptor.GetOptions() + self.assertEqual(101, + options.Extensions[unittest_custom_options_pb2.msgopt].i) + + def testCamelcaseName(self): + descriptor_proto = descriptor_pb2.DescriptorProto() + descriptor_proto.name = 'Bar' + names = ['foo_foo', 'FooBar', 'fooBaz', 'fooFoo', 'foobar'] + camelcase_names = ['fooFoo', 'fooBar', 'fooBaz', 'fooFoo', 'foobar'] + for index in range(len(names)): + field = descriptor_proto.field.add() + field.number = index + 1 + field.name = names[index] + result = descriptor.MakeDescriptor(descriptor_proto) + for index in range(len(camelcase_names)): + self.assertEqual(result.fields[index].camelcase_name, + camelcase_names[index]) + + +if __name__ == '__main__': + unittest.main() |