diff options
Diffstat (limited to 'python/google/protobuf/internal/descriptor_test.py')
-rwxr-xr-x | python/google/protobuf/internal/descriptor_test.py | 176 |
1 files changed, 138 insertions, 38 deletions
diff --git a/python/google/protobuf/internal/descriptor_test.py b/python/google/protobuf/internal/descriptor_test.py index 3924f21a..50c4dbba 100755 --- a/python/google/protobuf/internal/descriptor_test.py +++ b/python/google/protobuf/internal/descriptor_test.py @@ -34,12 +34,16 @@ __author__ = 'robinson@google.com (Will Robinson)' +import sys + from google.apputils import basetest 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 import descriptor +from google.protobuf import symbol_database from google.protobuf import text_format @@ -51,41 +55,28 @@ name: 'TestEmptyMessage' class DescriptorTest(basetest.TestCase): def setUp(self): - self.my_file = descriptor.FileDescriptor( + file_proto = descriptor_pb2.FileDescriptorProto( name='some/filename/some.proto', - package='protobuf_unittest' - ) - self.my_enum = descriptor.EnumDescriptor( - name='ForeignEnum', - full_name='protobuf_unittest.ForeignEnum', - filename=None, - file=self.my_file, - values=[ - descriptor.EnumValueDescriptor(name='FOREIGN_FOO', index=0, number=4), - descriptor.EnumValueDescriptor(name='FOREIGN_BAR', index=1, number=5), - descriptor.EnumValueDescriptor(name='FOREIGN_BAZ', index=2, number=6), - ]) - self.my_message = descriptor.Descriptor( - name='NestedMessage', - full_name='protobuf_unittest.TestAllTypes.NestedMessage', - filename=None, - file=self.my_file, - containing_type=None, - fields=[ - descriptor.FieldDescriptor( - name='bb', - full_name='protobuf_unittest.TestAllTypes.NestedMessage.bb', - index=0, number=1, - type=5, cpp_type=1, label=1, - has_default_value=False, default_value=0, - message_type=None, enum_type=None, containing_type=None, - is_extension=False, extension_scope=None), - ], - nested_types=[], - enum_types=[ - self.my_enum, - ], - extensions=[]) + 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) + + descriptor_pool = symbol_database.Default().pool + descriptor_pool.Add(file_proto) + self.my_file = descriptor_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_method = descriptor.MethodDescriptor( name='Bar', full_name='protobuf_unittest.TestService.Bar', @@ -173,6 +164,11 @@ class DescriptorTest(basetest.TestCase): 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 @@ -394,6 +390,108 @@ class DescriptorTest(basetest.TestCase): self.assertEqual(self.my_file.name, 'some/filename/some.proto') self.assertEqual(self.my_file.package, 'protobuf_unittest') + @basetest.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 GeneratedDescriptorTest(basetest.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) + + def CheckFieldDescriptor(self, field_descriptor): + # Basic properties + self.assertEqual(field_descriptor.name, 'optional_int32') + 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.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.major >= 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.major < 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) + + 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(basetest.TestCase): """Tests for CopyTo functions of Descriptor.""" @@ -588,10 +686,12 @@ class DescriptorCopyToProtoTest(basetest.TestCase): output_type: '.protobuf_unittest.BarResponse' > """ - self._InternalTestCopyToProto( - unittest_pb2.TestService.DESCRIPTOR, - descriptor_pb2.ServiceDescriptorProto, - TEST_SERVICE_ASCII) + # 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(basetest.TestCase): |