blob: 77afa0bedb241f9be89acf41a6320b02d11e73fd [file] [log] [blame]
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file or at
# https://developers.google.com/open-source/licenses/bsd
"""Tests for google.protobuf.descriptor_database."""
__author__ = 'matthewtoia@google.com (Matt Toia)'
import unittest
import warnings
from google.protobuf import descriptor_pb2
from google.protobuf.internal import factory_test2_pb2
from google.protobuf.internal import no_package_pb2
from google.protobuf.internal import testing_refleaks
from google.protobuf import descriptor_database
from google.protobuf import unittest_pb2
@testing_refleaks.TestCase
class DescriptorDatabaseTest(unittest.TestCase):
def testAdd(self):
db = descriptor_database.DescriptorDatabase()
file_desc_proto = descriptor_pb2.FileDescriptorProto.FromString(
factory_test2_pb2.DESCRIPTOR.serialized_pb)
file_desc_proto2 = descriptor_pb2.FileDescriptorProto.FromString(
no_package_pb2.DESCRIPTOR.serialized_pb)
db.Add(file_desc_proto)
db.Add(file_desc_proto2)
self.assertEqual(file_desc_proto, db.FindFileByName(
'google/protobuf/internal/factory_test2.proto'))
# Can find message type.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Message'))
# Can find nested message type.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Message.NestedFactory2Message'))
# Can find enum type.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Enum'))
# Can find nested enum type.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Message.NestedFactory2Enum'))
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.MessageWithNestedEnumOnly.NestedEnum'))
# Can find field.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Message.list_field'))
# Can find enum value.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Enum.FACTORY_2_VALUE_0'))
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.FACTORY_2_VALUE_0'))
self.assertEqual(file_desc_proto2, db.FindFileContainingSymbol(
'.NO_PACKAGE_VALUE_0'))
# Can find top level extension.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.another_field'))
# Can find nested extension inside a message.
self.assertEqual(file_desc_proto, db.FindFileContainingSymbol(
'google.protobuf.python.internal.Factory2Message.one_more_field'))
# Can find service.
file_desc_proto2 = descriptor_pb2.FileDescriptorProto.FromString(
unittest_pb2.DESCRIPTOR.serialized_pb)
db.Add(file_desc_proto2)
self.assertEqual(file_desc_proto2, db.FindFileContainingSymbol(
'protobuf_unittest.TestService'))
# Non-existent field under a valid top level symbol can also be
# found. The behavior is the same with protobuf C++.
self.assertEqual(file_desc_proto2, db.FindFileContainingSymbol(
'protobuf_unittest.TestAllTypes.none_field'))
with self.assertRaisesRegex(KeyError, r'\'protobuf_unittest\.NoneMessage\''):
db.FindFileContainingSymbol('protobuf_unittest.NoneMessage')
def testConflictRegister(self):
db = descriptor_database.DescriptorDatabase()
unittest_fd = descriptor_pb2.FileDescriptorProto.FromString(
unittest_pb2.DESCRIPTOR.serialized_pb)
db.Add(unittest_fd)
conflict_fd = descriptor_pb2.FileDescriptorProto.FromString(
unittest_pb2.DESCRIPTOR.serialized_pb)
conflict_fd.name = 'other_file2'
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter('always')
db.Add(conflict_fd)
self.assertTrue(len(w))
self.assertIs(w[0].category, RuntimeWarning)
self.assertIn('Conflict register for file "other_file2": ',
str(w[0].message))
self.assertIn(
'already defined in file '
'"google/protobuf/unittest.proto"', str(w[0].message))
if __name__ == '__main__':
unittest.main()