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-rw-r--r--generator/google/protobuf/internal/generator_test.py348
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diff --git a/generator/google/protobuf/internal/generator_test.py b/generator/google/protobuf/internal/generator_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.
-
-# TODO(robinson): Flesh this out considerably. We focused on reflection_test.py
-# first, since it's testing the subtler code, and since it provides decent
-# indirect testing of the protocol compiler output.
-
-"""Unittest that directly tests the output of the pure-Python protocol
-compiler. See //google/protobuf/internal/reflection_test.py for a test which
-further ensures that we can use Python protocol message objects as we expect.
-"""
-
-__author__ = 'robinson@google.com (Will Robinson)'
-
-try:
- import unittest2 as unittest #PY26
-except ImportError:
- import unittest
-
-from google.protobuf.internal import test_bad_identifiers_pb2
-from google.protobuf import unittest_custom_options_pb2
-from google.protobuf import unittest_import_pb2
-from google.protobuf import unittest_import_public_pb2
-from google.protobuf import unittest_mset_pb2
-from google.protobuf import unittest_mset_wire_format_pb2
-from google.protobuf import unittest_no_generic_services_pb2
-from google.protobuf import unittest_pb2
-from google.protobuf import service
-from google.protobuf import symbol_database
-
-MAX_EXTENSION = 536870912
-
-
-class GeneratorTest(unittest.TestCase):
-
- def testNestedMessageDescriptor(self):
- field_name = 'optional_nested_message'
- proto_type = unittest_pb2.TestAllTypes
- self.assertEqual(
- proto_type.NestedMessage.DESCRIPTOR,
- proto_type.DESCRIPTOR.fields_by_name[field_name].message_type)
-
- def testEnums(self):
- # We test only module-level enums here.
- # TODO(robinson): Examine descriptors directly to check
- # enum descriptor output.
- self.assertEqual(4, unittest_pb2.FOREIGN_FOO)
- self.assertEqual(5, unittest_pb2.FOREIGN_BAR)
- self.assertEqual(6, unittest_pb2.FOREIGN_BAZ)
-
- proto = unittest_pb2.TestAllTypes()
- self.assertEqual(1, proto.FOO)
- self.assertEqual(1, unittest_pb2.TestAllTypes.FOO)
- self.assertEqual(2, proto.BAR)
- self.assertEqual(2, unittest_pb2.TestAllTypes.BAR)
- self.assertEqual(3, proto.BAZ)
- self.assertEqual(3, unittest_pb2.TestAllTypes.BAZ)
-
- def testExtremeDefaultValues(self):
- message = unittest_pb2.TestExtremeDefaultValues()
-
- # Python pre-2.6 does not have isinf() or isnan() functions, so we have
- # to provide our own.
- def isnan(val):
- # NaN is never equal to itself.
- return val != val
- def isinf(val):
- # Infinity times zero equals NaN.
- return not isnan(val) and isnan(val * 0)
-
- self.assertTrue(isinf(message.inf_double))
- self.assertTrue(message.inf_double > 0)
- self.assertTrue(isinf(message.neg_inf_double))
- self.assertTrue(message.neg_inf_double < 0)
- self.assertTrue(isnan(message.nan_double))
-
- self.assertTrue(isinf(message.inf_float))
- self.assertTrue(message.inf_float > 0)
- self.assertTrue(isinf(message.neg_inf_float))
- self.assertTrue(message.neg_inf_float < 0)
- self.assertTrue(isnan(message.nan_float))
- self.assertEqual("? ? ?? ?? ??? ??/ ??-", message.cpp_trigraph)
-
- def testHasDefaultValues(self):
- desc = unittest_pb2.TestAllTypes.DESCRIPTOR
-
- expected_has_default_by_name = {
- 'optional_int32': False,
- 'repeated_int32': False,
- 'optional_nested_message': False,
- 'default_int32': True,
- }
-
- has_default_by_name = dict(
- [(f.name, f.has_default_value)
- for f in desc.fields
- if f.name in expected_has_default_by_name])
- self.assertEqual(expected_has_default_by_name, has_default_by_name)
-
- def testContainingTypeBehaviorForExtensions(self):
- self.assertEqual(unittest_pb2.optional_int32_extension.containing_type,
- unittest_pb2.TestAllExtensions.DESCRIPTOR)
- self.assertEqual(unittest_pb2.TestRequired.single.containing_type,
- unittest_pb2.TestAllExtensions.DESCRIPTOR)
-
- def testExtensionScope(self):
- self.assertEqual(unittest_pb2.optional_int32_extension.extension_scope,
- None)
- self.assertEqual(unittest_pb2.TestRequired.single.extension_scope,
- unittest_pb2.TestRequired.DESCRIPTOR)
-
- def testIsExtension(self):
- self.assertTrue(unittest_pb2.optional_int32_extension.is_extension)
- self.assertTrue(unittest_pb2.TestRequired.single.is_extension)
-
- message_descriptor = unittest_pb2.TestRequired.DESCRIPTOR
- non_extension_descriptor = message_descriptor.fields_by_name['a']
- self.assertTrue(not non_extension_descriptor.is_extension)
-
- def testOptions(self):
- proto = unittest_mset_wire_format_pb2.TestMessageSet()
- self.assertTrue(proto.DESCRIPTOR.GetOptions().message_set_wire_format)
-
- def testMessageWithCustomOptions(self):
- proto = unittest_custom_options_pb2.TestMessageWithCustomOptions()
- enum_options = proto.DESCRIPTOR.enum_types_by_name['AnEnum'].GetOptions()
- self.assertTrue(enum_options is not None)
- # TODO(gps): We really should test for the presence of the enum_opt1
- # extension and for its value to be set to -789.
-
- def testNestedTypes(self):
- self.assertEqual(
- set(unittest_pb2.TestAllTypes.DESCRIPTOR.nested_types),
- set([
- unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR,
- unittest_pb2.TestAllTypes.OptionalGroup.DESCRIPTOR,
- unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR,
- ]))
- self.assertEqual(unittest_pb2.TestEmptyMessage.DESCRIPTOR.nested_types, [])
- self.assertEqual(
- unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.nested_types, [])
-
- def testContainingType(self):
- self.assertTrue(
- unittest_pb2.TestEmptyMessage.DESCRIPTOR.containing_type is None)
- self.assertTrue(
- unittest_pb2.TestAllTypes.DESCRIPTOR.containing_type is None)
- self.assertEqual(
- unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type,
- unittest_pb2.TestAllTypes.DESCRIPTOR)
- self.assertEqual(
- unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type,
- unittest_pb2.TestAllTypes.DESCRIPTOR)
- self.assertEqual(
- unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR.containing_type,
- unittest_pb2.TestAllTypes.DESCRIPTOR)
-
- def testContainingTypeInEnumDescriptor(self):
- self.assertTrue(unittest_pb2._FOREIGNENUM.containing_type is None)
- self.assertEqual(unittest_pb2._TESTALLTYPES_NESTEDENUM.containing_type,
- unittest_pb2.TestAllTypes.DESCRIPTOR)
-
- def testPackage(self):
- self.assertEqual(
- unittest_pb2.TestAllTypes.DESCRIPTOR.file.package,
- 'protobuf_unittest')
- desc = unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR
- self.assertEqual(desc.file.package, 'protobuf_unittest')
- self.assertEqual(
- unittest_import_pb2.ImportMessage.DESCRIPTOR.file.package,
- 'protobuf_unittest_import')
-
- self.assertEqual(
- unittest_pb2._FOREIGNENUM.file.package, 'protobuf_unittest')
- self.assertEqual(
- unittest_pb2._TESTALLTYPES_NESTEDENUM.file.package,
- 'protobuf_unittest')
- self.assertEqual(
- unittest_import_pb2._IMPORTENUM.file.package,
- 'protobuf_unittest_import')
-
- def testExtensionRange(self):
- self.assertEqual(
- unittest_pb2.TestAllTypes.DESCRIPTOR.extension_ranges, [])
- self.assertEqual(
- unittest_pb2.TestAllExtensions.DESCRIPTOR.extension_ranges,
- [(1, MAX_EXTENSION)])
- self.assertEqual(
- unittest_pb2.TestMultipleExtensionRanges.DESCRIPTOR.extension_ranges,
- [(42, 43), (4143, 4244), (65536, MAX_EXTENSION)])
-
- def testFileDescriptor(self):
- self.assertEqual(unittest_pb2.DESCRIPTOR.name,
- 'google/protobuf/unittest.proto')
- self.assertEqual(unittest_pb2.DESCRIPTOR.package, 'protobuf_unittest')
- self.assertFalse(unittest_pb2.DESCRIPTOR.serialized_pb is None)
- self.assertEqual(unittest_pb2.DESCRIPTOR.dependencies,
- [unittest_import_pb2.DESCRIPTOR])
- self.assertEqual(unittest_import_pb2.DESCRIPTOR.dependencies,
- [unittest_import_public_pb2.DESCRIPTOR])
-
- def testNoGenericServices(self):
- self.assertTrue(hasattr(unittest_no_generic_services_pb2, "TestMessage"))
- self.assertTrue(hasattr(unittest_no_generic_services_pb2, "FOO"))
- self.assertTrue(hasattr(unittest_no_generic_services_pb2, "test_extension"))
-
- # Make sure unittest_no_generic_services_pb2 has no services subclassing
- # Proto2 Service class.
- if hasattr(unittest_no_generic_services_pb2, "TestService"):
- self.assertFalse(issubclass(unittest_no_generic_services_pb2.TestService,
- service.Service))
-
- def testMessageTypesByName(self):
- file_type = unittest_pb2.DESCRIPTOR
- self.assertEqual(
- unittest_pb2._TESTALLTYPES,
- file_type.message_types_by_name[unittest_pb2._TESTALLTYPES.name])
-
- # Nested messages shouldn't be included in the message_types_by_name
- # dictionary (like in the C++ API).
- self.assertFalse(
- unittest_pb2._TESTALLTYPES_NESTEDMESSAGE.name in
- file_type.message_types_by_name)
-
- def testEnumTypesByName(self):
- file_type = unittest_pb2.DESCRIPTOR
- self.assertEqual(
- unittest_pb2._FOREIGNENUM,
- file_type.enum_types_by_name[unittest_pb2._FOREIGNENUM.name])
-
- def testExtensionsByName(self):
- file_type = unittest_pb2.DESCRIPTOR
- self.assertEqual(
- unittest_pb2.my_extension_string,
- file_type.extensions_by_name[unittest_pb2.my_extension_string.name])
-
- def testPublicImports(self):
- # Test public imports as embedded message.
- all_type_proto = unittest_pb2.TestAllTypes()
- self.assertEqual(0, all_type_proto.optional_public_import_message.e)
-
- # PublicImportMessage is actually defined in unittest_import_public_pb2
- # module, and is public imported by unittest_import_pb2 module.
- public_import_proto = unittest_import_pb2.PublicImportMessage()
- self.assertEqual(0, public_import_proto.e)
- self.assertTrue(unittest_import_public_pb2.PublicImportMessage is
- unittest_import_pb2.PublicImportMessage)
-
- def testBadIdentifiers(self):
- # We're just testing that the code was imported without problems.
- message = test_bad_identifiers_pb2.TestBadIdentifiers()
- self.assertEqual(message.Extensions[test_bad_identifiers_pb2.message],
- "foo")
- self.assertEqual(message.Extensions[test_bad_identifiers_pb2.descriptor],
- "bar")
- self.assertEqual(message.Extensions[test_bad_identifiers_pb2.reflection],
- "baz")
- self.assertEqual(message.Extensions[test_bad_identifiers_pb2.service],
- "qux")
-
- def testOneof(self):
- desc = unittest_pb2.TestAllTypes.DESCRIPTOR
- self.assertEqual(1, len(desc.oneofs))
- self.assertEqual('oneof_field', desc.oneofs[0].name)
- self.assertEqual(0, desc.oneofs[0].index)
- self.assertIs(desc, desc.oneofs[0].containing_type)
- self.assertIs(desc.oneofs[0], desc.oneofs_by_name['oneof_field'])
- nested_names = set(['oneof_uint32', 'oneof_nested_message',
- 'oneof_string', 'oneof_bytes'])
- self.assertEqual(
- nested_names,
- set([field.name for field in desc.oneofs[0].fields]))
- for field_name, field_desc in desc.fields_by_name.items():
- if field_name in nested_names:
- self.assertIs(desc.oneofs[0], field_desc.containing_oneof)
- else:
- self.assertIsNone(field_desc.containing_oneof)
-
-
-class SymbolDatabaseRegistrationTest(unittest.TestCase):
- """Checks that messages, enums and files are correctly registered."""
-
- def testGetSymbol(self):
- self.assertEqual(
- unittest_pb2.TestAllTypes, symbol_database.Default().GetSymbol(
- 'protobuf_unittest.TestAllTypes'))
- self.assertEqual(
- unittest_pb2.TestAllTypes.NestedMessage,
- symbol_database.Default().GetSymbol(
- 'protobuf_unittest.TestAllTypes.NestedMessage'))
- with self.assertRaises(KeyError):
- symbol_database.Default().GetSymbol('protobuf_unittest.NestedMessage')
- self.assertEqual(
- unittest_pb2.TestAllTypes.OptionalGroup,
- symbol_database.Default().GetSymbol(
- 'protobuf_unittest.TestAllTypes.OptionalGroup'))
- self.assertEqual(
- unittest_pb2.TestAllTypes.RepeatedGroup,
- symbol_database.Default().GetSymbol(
- 'protobuf_unittest.TestAllTypes.RepeatedGroup'))
-
- def testEnums(self):
- self.assertEqual(
- 'protobuf_unittest.ForeignEnum',
- symbol_database.Default().pool.FindEnumTypeByName(
- 'protobuf_unittest.ForeignEnum').full_name)
- self.assertEqual(
- 'protobuf_unittest.TestAllTypes.NestedEnum',
- symbol_database.Default().pool.FindEnumTypeByName(
- 'protobuf_unittest.TestAllTypes.NestedEnum').full_name)
-
- def testFindFileByName(self):
- self.assertEqual(
- 'google/protobuf/unittest.proto',
- symbol_database.Default().pool.FindFileByName(
- 'google/protobuf/unittest.proto').name)
-
-if __name__ == '__main__':
- unittest.main()