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Diffstat (limited to 'src/google/protobuf/reflection_ops_unittest.cc')
| -rw-r--r-- | src/google/protobuf/reflection_ops_unittest.cc | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/src/google/protobuf/reflection_ops_unittest.cc b/src/google/protobuf/reflection_ops_unittest.cc new file mode 100644 index 00000000..e1af2fca --- /dev/null +++ b/src/google/protobuf/reflection_ops_unittest.cc @@ -0,0 +1,421 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#include <google/protobuf/reflection_ops.h> +#include <google/protobuf/descriptor.h> +#include <google/protobuf/unittest.pb.h> +#include <google/protobuf/test_util.h> + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/testing/googletest.h> +#include <gtest/gtest.h> +#include <google/protobuf/stubs/strutil.h> + +namespace google { +namespace protobuf { +namespace internal { +namespace { + +TEST(ReflectionOpsTest, SanityCheck) { + unittest::TestAllTypes message; + + TestUtil::SetAllFields(&message); + TestUtil::ExpectAllFieldsSet(message); +} + +TEST(ReflectionOpsTest, Copy) { + unittest::TestAllTypes message, message2; + + TestUtil::SetAllFields(&message); + + ReflectionOps::Copy(message.descriptor(), *message.GetReflection(), + message2.GetReflection()); + + TestUtil::ExpectAllFieldsSet(message2); + + // Copying from self should be a no-op. + ReflectionOps::Copy(message2.descriptor(), *message2.GetReflection(), + message2.GetReflection()); + TestUtil::ExpectAllFieldsSet(message2); +} + +TEST(ReflectionOpsTest, CopyExtensions) { + unittest::TestAllExtensions message, message2; + + TestUtil::SetAllExtensions(&message); + + ReflectionOps::Copy(message.descriptor(), *message.GetReflection(), + message2.GetReflection()); + + TestUtil::ExpectAllExtensionsSet(message2); +} + +TEST(ReflectionOpsTest, Merge) { + // Note: Copy is implemented in terms of Merge() so technically the Copy + // test already tested most of this. + + unittest::TestAllTypes message, message2; + + TestUtil::SetAllFields(&message); + + // This field will test merging into an empty spot. + message2.set_optional_int32(message.optional_int32()); + message.clear_optional_int32(); + + // This tests overwriting. + message2.set_optional_string(message.optional_string()); + message.set_optional_string("something else"); + + // This tests concatenating. + message2.add_repeated_int32(message.repeated_int32(1)); + int32 i = message.repeated_int32(0); + message.clear_repeated_int32(); + message.add_repeated_int32(i); + + ReflectionOps::Merge(message2.descriptor(), *message2.GetReflection(), + message.GetReflection()); + + TestUtil::ExpectAllFieldsSet(message); +} + +TEST(ReflectionOpsTest, MergeExtensions) { + // Note: Copy is implemented in terms of Merge() so technically the Copy + // test already tested most of this. + + unittest::TestAllExtensions message, message2; + + TestUtil::SetAllExtensions(&message); + + // This field will test merging into an empty spot. + message2.SetExtension(unittest::optional_int32_extension, + message.GetExtension(unittest::optional_int32_extension)); + message.ClearExtension(unittest::optional_int32_extension); + + // This tests overwriting. + message2.SetExtension(unittest::optional_string_extension, + message.GetExtension(unittest::optional_string_extension)); + message.SetExtension(unittest::optional_string_extension, "something else"); + + // This tests concatenating. + message2.AddExtension(unittest::repeated_int32_extension, + message.GetExtension(unittest::repeated_int32_extension, 1)); + int32 i = message.GetExtension(unittest::repeated_int32_extension, 0); + message.ClearExtension(unittest::repeated_int32_extension); + message.AddExtension(unittest::repeated_int32_extension, i); + + ReflectionOps::Merge(message2.descriptor(), *message2.GetReflection(), + message.GetReflection()); + + TestUtil::ExpectAllExtensionsSet(message); +} + +TEST(ReflectionOpsTest, MergeUnknown) { + // Test that the messages' UnknownFieldSets are correctly merged. + unittest::TestEmptyMessage message1, message2; + message1.mutable_unknown_fields()->AddField(1234)->add_varint(1); + message2.mutable_unknown_fields()->AddField(1234)->add_varint(2); + + ReflectionOps::Merge(unittest::TestEmptyMessage::descriptor(), + *message2.GetReflection(), + message1.GetReflection()); + + ASSERT_EQ(1, message1.unknown_fields().field_count()); + const UnknownField& field = message1.unknown_fields().field(0); + ASSERT_EQ(2, field.varint_size()); + EXPECT_EQ(1, field.varint(0)); + EXPECT_EQ(2, field.varint(1)); +} + +#ifdef GTEST_HAS_DEATH_TEST + +TEST(ReflectionOpsTest, MergeFromSelf) { + // Note: Copy is implemented in terms of Merge() so technically the Copy + // test already tested most of this. + + unittest::TestAllTypes message; + + EXPECT_DEATH( + ReflectionOps::Merge(message.descriptor(), *message.GetReflection(), + message.GetReflection()), + "&from"); +} + +#endif // GTEST_HAS_DEATH_TEST + +TEST(ReflectionOpsTest, Clear) { + unittest::TestAllTypes message; + + TestUtil::SetAllFields(&message); + + ReflectionOps::Clear(message.descriptor(), message.GetReflection()); + + TestUtil::ExpectClear(message); + + // Check that getting embedded messages returns the objects created during + // SetAllFields() rather than default instances. + EXPECT_NE(&unittest::TestAllTypes::OptionalGroup::default_instance(), + &message.optionalgroup()); + EXPECT_NE(&unittest::TestAllTypes::NestedMessage::default_instance(), + &message.optional_nested_message()); + EXPECT_NE(&unittest::ForeignMessage::default_instance(), + &message.optional_foreign_message()); + EXPECT_NE(&unittest_import::ImportMessage::default_instance(), + &message.optional_import_message()); +} + +TEST(ReflectionOpsTest, ClearExtensions) { + unittest::TestAllExtensions message; + + TestUtil::SetAllExtensions(&message); + + ReflectionOps::Clear(message.descriptor(), message.GetReflection()); + + TestUtil::ExpectExtensionsClear(message); + + // Check that getting embedded messages returns the objects created during + // SetAllExtensions() rather than default instances. + EXPECT_NE(&unittest::OptionalGroup_extension::default_instance(), + &message.GetExtension(unittest::optionalgroup_extension)); + EXPECT_NE(&unittest::TestAllTypes::NestedMessage::default_instance(), + &message.GetExtension(unittest::optional_nested_message_extension)); + EXPECT_NE(&unittest::ForeignMessage::default_instance(), + &message.GetExtension( + unittest::optional_foreign_message_extension)); + EXPECT_NE(&unittest_import::ImportMessage::default_instance(), + &message.GetExtension(unittest::optional_import_message_extension)); +} + +TEST(ReflectionOpsTest, ClearUnknown) { + // Test that the message's UnknownFieldSet is correctly cleared. + unittest::TestEmptyMessage message; + message.mutable_unknown_fields()->AddField(1234)->add_varint(1); + + ReflectionOps::Clear(message.descriptor(), message.GetReflection()); + + EXPECT_EQ(0, message.unknown_fields().field_count()); +} + +TEST(ReflectionOpsTest, DiscardUnknownFields) { + unittest::TestAllTypes message; + TestUtil::SetAllFields(&message); + + // Set some unknown fields in message. + message.mutable_unknown_fields() + ->AddField(123456) + ->add_varint(654321); + message.mutable_optional_nested_message() + ->mutable_unknown_fields() + ->AddField(123456) + ->add_varint(654321); + message.mutable_repeated_nested_message(0) + ->mutable_unknown_fields() + ->AddField(123456) + ->add_varint(654321); + + EXPECT_EQ(1, message.unknown_fields().field_count()); + EXPECT_EQ(1, message.optional_nested_message() + .unknown_fields().field_count()); + EXPECT_EQ(1, message.repeated_nested_message(0) + .unknown_fields().field_count()); + + // Discard them. + ReflectionOps::DiscardUnknownFields(message.GetDescriptor(), + message.GetReflection()); + TestUtil::ExpectAllFieldsSet(message); + + EXPECT_EQ(0, message.unknown_fields().field_count()); + EXPECT_EQ(0, message.optional_nested_message() + .unknown_fields().field_count()); + EXPECT_EQ(0, message.repeated_nested_message(0) + .unknown_fields().field_count()); +} + +TEST(ReflectionOpsTest, DiscardUnknownExtensions) { + unittest::TestAllExtensions message; + TestUtil::SetAllExtensions(&message); + + // Set some unknown fields. + message.mutable_unknown_fields() + ->AddField(123456) + ->add_varint(654321); + message.MutableExtension(unittest::optional_nested_message_extension) + ->mutable_unknown_fields() + ->AddField(123456) + ->add_varint(654321); + message.MutableExtension(unittest::repeated_nested_message_extension, 0) + ->mutable_unknown_fields() + ->AddField(123456) + ->add_varint(654321); + + EXPECT_EQ(1, message.unknown_fields().field_count()); + EXPECT_EQ(1, + message.GetExtension(unittest::optional_nested_message_extension) + .unknown_fields().field_count()); + EXPECT_EQ(1, + message.GetExtension(unittest::repeated_nested_message_extension, 0) + .unknown_fields().field_count()); + + // Discard them. + ReflectionOps::DiscardUnknownFields(message.GetDescriptor(), + message.GetReflection()); + TestUtil::ExpectAllExtensionsSet(message); + + EXPECT_EQ(0, message.unknown_fields().field_count()); + EXPECT_EQ(0, + message.GetExtension(unittest::optional_nested_message_extension) + .unknown_fields().field_count()); + EXPECT_EQ(0, + message.GetExtension(unittest::repeated_nested_message_extension, 0) + .unknown_fields().field_count()); +} + +TEST(ReflectionOpsTest, IsInitialized) { + unittest::TestRequired message; + + EXPECT_FALSE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + message.set_a(1); + EXPECT_FALSE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + message.set_b(2); + EXPECT_FALSE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + message.set_c(3); + EXPECT_TRUE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); +} + +TEST(ReflectionOpsTest, ForeignIsInitialized) { + unittest::TestRequiredForeign message; + + // Starts out initialized because the foreign message is itself an optional + // field. + EXPECT_TRUE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Once we create that field, the message is no longer initialized. + message.mutable_optional_message(); + EXPECT_FALSE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Initialize it. Now we're initialized. + message.mutable_optional_message()->set_a(1); + message.mutable_optional_message()->set_b(2); + message.mutable_optional_message()->set_c(3); + EXPECT_TRUE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Add a repeated version of the message. No longer initialized. + unittest::TestRequired* sub_message = message.add_repeated_message(); + EXPECT_FALSE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Initialize that repeated version. + sub_message->set_a(1); + sub_message->set_b(2); + sub_message->set_c(3); + EXPECT_TRUE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); +} + +TEST(ReflectionOpsTest, ExtensionIsInitialized) { + unittest::TestAllExtensions message; + + // Starts out initialized because the foreign message is itself an optional + // field. + EXPECT_TRUE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Once we create that field, the message is no longer initialized. + message.MutableExtension(unittest::TestRequired::single); + EXPECT_FALSE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Initialize it. Now we're initialized. + message.MutableExtension(unittest::TestRequired::single)->set_a(1); + message.MutableExtension(unittest::TestRequired::single)->set_b(2); + message.MutableExtension(unittest::TestRequired::single)->set_c(3); + EXPECT_TRUE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Add a repeated version of the message. No longer initialized. + message.AddExtension(unittest::TestRequired::multi); + EXPECT_FALSE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); + + // Initialize that repeated version. + message.MutableExtension(unittest::TestRequired::multi, 0)->set_a(1); + message.MutableExtension(unittest::TestRequired::multi, 0)->set_b(2); + message.MutableExtension(unittest::TestRequired::multi, 0)->set_c(3); + EXPECT_TRUE(ReflectionOps::IsInitialized(message.descriptor(), + *message.GetReflection())); +} + +static string FindInitializationErrors(const Message& message) { + vector<string> errors; + ReflectionOps::FindInitializationErrors(message.GetDescriptor(), + *message.GetReflection(), + "", &errors); + return JoinStrings(errors, ","); +} + +TEST(ReflectionOpsTest, FindInitializationErrors) { + unittest::TestRequired message; + EXPECT_EQ("a,b,c", FindInitializationErrors(message)); +} + +TEST(ReflectionOpsTest, FindForeignInitializationErrors) { + unittest::TestRequiredForeign message; + message.mutable_optional_message(); + message.add_repeated_message(); + message.add_repeated_message(); + EXPECT_EQ("optional_message.a," + "optional_message.b," + "optional_message.c," + "repeated_message[0].a," + "repeated_message[0].b," + "repeated_message[0].c," + "repeated_message[1].a," + "repeated_message[1].b," + "repeated_message[1].c", + FindInitializationErrors(message)); +} + +TEST(ReflectionOpsTest, FindExtensionInitializationErrors) { + unittest::TestAllExtensions message; + message.MutableExtension(unittest::TestRequired::single); + message.AddExtension(unittest::TestRequired::multi); + message.AddExtension(unittest::TestRequired::multi); + EXPECT_EQ("(protobuf_unittest.TestRequired.single).a," + "(protobuf_unittest.TestRequired.single).b," + "(protobuf_unittest.TestRequired.single).c," + "(protobuf_unittest.TestRequired.multi)[0].a," + "(protobuf_unittest.TestRequired.multi)[0].b," + "(protobuf_unittest.TestRequired.multi)[0].c," + "(protobuf_unittest.TestRequired.multi)[1].a," + "(protobuf_unittest.TestRequired.multi)[1].b," + "(protobuf_unittest.TestRequired.multi)[1].c", + FindInitializationErrors(message)); +} + +} // namespace +} // namespace internal +} // namespace protobuf +} // namespace google |