/
descriptor_test.py
executable file
·1063 lines (972 loc) · 43.2 KB
/
descriptor_test.py
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#! /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
import warnings
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'
"""
warnings.simplefilter('error', DeprecationWarning)
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))
with self.assertRaises(KeyError):
self.my_message.EnumValueName('ForeignEnum', 999)
with self.assertRaises(KeyError):
self.my_message.EnumValueName('NoneEnum', 999)
with self.assertRaises(TypeError):
self.my_message.EnumValueName()
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'])
other_enum_value_descriptor = (message_descriptor.
enum_values_by_name['ANENUM_VAL1'])
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)
self.assertTrue(field_descriptor.has_options)
self.assertTrue(oneof_descriptor.has_options)
self.assertTrue(enum_descriptor.has_options)
self.assertTrue(enum_value_descriptor.has_options)
self.assertFalse(other_enum_value_descriptor.has_options)
def testCustomOptionsCopyTo(self):
message_descriptor = (unittest_custom_options_pb2.
TestMessageWithCustomOptions.DESCRIPTOR)
message_proto = descriptor_pb2.DescriptorProto()
message_descriptor.CopyToProto(message_proto)
self.assertEqual(len(message_proto.options.ListFields()),
2)
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)
self.assertFalse(self.my_file.has_options)
self.assertEqual('proto2', self.my_file.syntax)
file_proto = descriptor_pb2.FileDescriptorProto()
self.my_file.CopyToProto(file_proto)
self.assertEqual(self.my_file.serialized_pb,
file_proto.SerializeToString())
# 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):
file_descriptor = unittest_pb2.DESCRIPTOR
message_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR
field_descriptor = message_descriptor.fields_by_name['optional_int32']
enum_descriptor = message_descriptor.enum_types_by_name['NestedEnum']
oneof_descriptor = message_descriptor.oneofs_by_name['oneof_field']
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)
with self.assertRaises(AttributeError):
field_descriptor.containing_type = message_descriptor
with self.assertRaises(AttributeError):
file_descriptor.has_options = False
with self.assertRaises(AttributeError):
field_descriptor.has_options = False
with self.assertRaises(AttributeError):
oneof_descriptor.has_options = False
with self.assertRaises(AttributeError):
enum_descriptor.has_options = False
with self.assertRaises(AttributeError) as e:
message_descriptor.has_options = True
self.assertEqual('attribute is not writable: has_options',
str(e.exception))
def testDefault(self):
message_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR
field = message_descriptor.fields_by_name['repeated_int32']
self.assertEqual(field.default_value, [])
field = message_descriptor.fields_by_name['repeated_nested_message']
self.assertEqual(field.default_value, [])
field = message_descriptor.fields_by_name['optionalgroup']
self.assertEqual(field.default_value, None)
field = message_descriptor.fields_by_name['optional_nested_message']
self.assertEqual(field.default_value, 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)
self.CheckDescriptorMapping(message_descriptor.enum_types_by_name)
self.CheckDescriptorMapping(message_descriptor.enum_values_by_name)
self.CheckDescriptorMapping(message_descriptor.oneofs_by_name)
self.CheckDescriptorMapping(message_descriptor.enum_types[0].values_by_name)
# Test extension range
self.assertEqual(message_descriptor.extension_ranges, [])
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')
self.assertEqual(field_descriptor.file, unittest_pb2.DESCRIPTOR)
# 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})
self.assertEqual(None, field_descriptor.extension_scope)
self.assertEqual(None, field_descriptor.enum_type)
if api_implementation.Type() == 'cpp':
# For test coverage only
self.assertEqual(field_descriptor.id, field_descriptor.id)
def CheckDescriptorSequence(self, sequence):
# Verifies that a property like 'messageDescriptor.fields' has all the
# properties of an immutable abc.Sequence.
self.assertNotEqual(sequence,
unittest_pb2.TestAllExtensions.DESCRIPTOR.fields)
self.assertNotEqual(sequence, [])
self.assertNotEqual(sequence, 1)
self.assertFalse(sequence == 1) # Only for cpp test coverage
self.assertEqual(sequence, sequence)
expected_list = list(sequence)
self.assertEqual(expected_list, sequence)
self.assertGreater(len(sequence), 0) # Sized
self.assertEqual(len(sequence), len(expected_list)) # Iterable
self.assertEqual(sequence[len(sequence) -1], sequence[-1])
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)
other_item = unittest_pb2.NestedTestAllTypes.DESCRIPTOR.fields[0]
self.assertNotIn(other_item, sequence)
self.assertEqual(sequence.count(other_item), 0)
self.assertRaises(ValueError, sequence.index, other_item)
self.assertRaises(ValueError, sequence.index, [])
reversed_iterator = reversed(sequence)
self.assertEqual(list(reversed_iterator), list(sequence)[::-1])
self.assertRaises(StopIteration, next, reversed_iterator)
expected_list[0] = 'change value'
self.assertNotEqual(expected_list, sequence)
# TODO(jieluo): Change __repr__ support for DescriptorSequence.
if api_implementation.Type() == 'python':
self.assertEqual(str(list(sequence)), str(sequence))
else:
self.assertEqual(str(sequence)[0], '<')
def CheckDescriptorMapping(self, mapping):
# Verifies that a property like 'messageDescriptor.fields' has all the
# properties of an immutable abc.Mapping.
self.assertNotEqual(
mapping, unittest_pb2.TestAllExtensions.DESCRIPTOR.fields_by_name)
self.assertNotEqual(mapping, {})
self.assertNotEqual(mapping, 1)
self.assertFalse(mapping == 1) # Only for cpp test coverage
excepted_dict = dict(mapping.items())
self.assertEqual(mapping, excepted_dict)
self.assertEqual(mapping, mapping)
self.assertGreater(len(mapping), 0) # Sized
self.assertEqual(len(mapping), len(excepted_dict)) # 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)
with self.assertRaises(TypeError):
mapping.get()
# TODO(jieluo): Fix python and cpp extension diff.
if api_implementation.Type() == 'python':
self.assertRaises(TypeError, mapping.get, [])
else:
self.assertEqual(None, mapping.get([]))
# 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())
excepted_dict[key] = 'change value'
self.assertNotEqual(mapping, excepted_dict)
del excepted_dict[key]
excepted_dict['new_key'] = 'new'
self.assertNotEqual(mapping, excepted_dict)
self.assertRaises(KeyError, mapping.__getitem__, 'key_error')
self.assertRaises(KeyError, mapping.__getitem__, len(mapping) + 1)
# TODO(jieluo): Add __repr__ support for DescriptorMapping.
if api_implementation.Type() == 'python':
self.assertEqual(len(str(dict(mapping.items()))), len(str(mapping)))
else:
self.assertEqual(str(mapping)[0], '<')
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)
enum_descriptor = unittest_pb2.DESCRIPTOR.enum_types_by_name[
'ForeignEnum']
self.assertEqual(None, enum_descriptor.containing_type)
# Test extension range
self.assertEqual(
unittest_pb2.TestAllExtensions.DESCRIPTOR.extension_ranges,
[(1, 536870912)])
self.assertEqual(
unittest_pb2.TestMultipleExtensionRanges.DESCRIPTOR.extension_ranges,
[(42, 43), (4143, 4244), (65536, 536870912)])
def testCppDescriptorContainer(self):
containing_file = unittest_pb2.DESCRIPTOR
self.CheckDescriptorSequence(containing_file.dependencies)
self.CheckDescriptorMapping(containing_file.message_types_by_name)
self.CheckDescriptorMapping(containing_file.enum_types_by_name)
self.CheckDescriptorMapping(containing_file.services_by_name)
self.CheckDescriptorMapping(containing_file.extensions_by_name)
self.CheckDescriptorMapping(
unittest_pb2.TestNestedExtension.DESCRIPTOR.extensions_by_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)
def testDescriptorNestedTypesContainer(self):
message_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR
nested_message_descriptor = unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR
self.assertEqual(len(message_descriptor.nested_types), 3)
self.assertFalse(None in message_descriptor.nested_types)
self.assertTrue(
nested_message_descriptor in message_descriptor.nested_types)
def testServiceDescriptor(self):
service_descriptor = unittest_pb2.DESCRIPTOR.services_by_name['TestService']
self.assertEqual(service_descriptor.name, 'TestService')
self.assertEqual(service_descriptor.methods[0].name, 'Foo')
self.assertIs(service_descriptor.file, unittest_pb2.DESCRIPTOR)
self.assertEqual(service_descriptor.index, 0)
self.CheckDescriptorMapping(service_descriptor.methods_by_name)
def testOneofDescriptor(self):
message_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR
oneof_descriptor = message_descriptor.oneofs_by_name['oneof_field']
self.assertFalse(oneof_descriptor.has_options)
self.assertEqual(message_descriptor, oneof_descriptor.containing_type)
self.assertEqual('oneof_field', oneof_descriptor.name)
self.assertEqual('protobuf_unittest.TestAllTypes.oneof_field',
oneof_descriptor.full_name)
self.assertEqual(0, oneof_descriptor.index)
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
>
>
field {
name: "deprecated_int32_in_oneof"
number: 2
label: LABEL_OPTIONAL
type: TYPE_INT32
options {
deprecated: true
}
oneof_index: 0
}
oneof_decl {
name: "oneof_fields"
}
"""
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)
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
>
>
enum_type: <
name: 'ImportEnumForMap'
value: <
name: 'UNKNOWN'
number: 0
>
value: <
name: 'FOO'
number: 1
>
value: <
name: 'BAR'
number: 2
>
>
options: <
java_package: 'com.google.protobuf.test'
optimize_for: 1 # SPEED
""" +
"""
cc_enable_arenas: true
>
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'
>
"""
self._InternalTestCopyToProto(
unittest_pb2.TestService.DESCRIPTOR,
descriptor_pb2.ServiceDescriptorProto,
TEST_SERVICE_ASCII)
def testCopyToProto_MethodDescriptor(self):
expected_ascii = """
name: 'Foo'
input_type: '.protobuf_unittest.FooRequest'
output_type: '.protobuf_unittest.FooResponse'
"""
method_descriptor = unittest_pb2.TestService.DESCRIPTOR.FindMethodByName(
'Foo')
self._InternalTestCopyToProto(
method_descriptor,
descriptor_pb2.MethodDescriptorProto,
expected_ascii)
@unittest.skipIf(
api_implementation.Type() == 'python',
'Pure python does not raise error.')
# TODO(jieluo): Fix pure python to check with the proto type.
def testCopyToProto_TypeError(self):
file_proto = descriptor_pb2.FileDescriptorProto()
self.assertRaises(TypeError,
unittest_pb2.TestEmptyMessage.DESCRIPTOR.CopyToProto,
file_proto)
self.assertRaises(TypeError,
unittest_pb2.ForeignEnum.DESCRIPTOR.CopyToProto,
file_proto)
self.assertRaises(TypeError,
unittest_pb2.TestService.DESCRIPTOR.CopyToProto,
file_proto)
proto = descriptor_pb2.DescriptorProto()
self.assertRaises(TypeError,
unittest_import_pb2.DESCRIPTOR.CopyToProto,
proto)
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])
self.assertFalse(result.has_options)
self.assertFalse(result.fields[0].has_options)
if api_implementation.Type() == 'cpp':
with self.assertRaises(AttributeError):
result.fields[0].has_options = False
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()