// // // Copyright 2018 gRPC authors. // // 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. // // #include #include "test/cpp/util/channel_trace_proto_helper.h" #include #include #include #include #include #include "src/core/lib/gprpp/crash.h" #include "src/core/lib/iomgr/error.h" #include "src/core/lib/json/json.h" #include "src/core/lib/json/json_reader.h" #include "src/core/lib/json/json_writer.h" #include "src/proto/grpc/channelz/channelz.pb.h" namespace grpc { namespace { // Generic helper that takes in a json string, converts it to a proto, and // then back to json. This ensures that the json string was correctly formatted // according to https://developers.google.com/protocol-buffers/docs/proto3#json template void VaidateProtoJsonTranslation(const std::string& json_str) { Message msg; grpc::protobuf::json::JsonParseOptions parse_options; // If the following line is failing, then uncomment the last line of the // comment, and uncomment the lines that print the two strings. You can // then compare the output, and determine what fields are missing. // // parse_options.ignore_unknown_fields = true; grpc::protobuf::util::Status s = grpc::protobuf::json::JsonStringToMessage(json_str, &msg, parse_options); EXPECT_TRUE(s.ok()); std::string proto_json_str; grpc::protobuf::json::JsonPrintOptions print_options; // We usually do not want this to be true, however it can be helpful to // uncomment and see the output produced then all fields are printed. // print_options.always_print_primitive_fields = true; s = grpc::protobuf::json::MessageToJsonString(msg, &proto_json_str, print_options); EXPECT_TRUE(s.ok()); // Parse JSON and re-dump to string, to make sure formatting is the // same as what would be generated by our JSON library. auto parsed_json = grpc_core::JsonParse(proto_json_str.c_str()); ASSERT_TRUE(parsed_json.ok()) << parsed_json.status(); ASSERT_EQ(parsed_json->type(), grpc_core::Json::Type::kObject); proto_json_str = JsonDump(*parsed_json); EXPECT_EQ(json_str, proto_json_str); } } // namespace namespace testing { void ValidateChannelTraceProtoJsonTranslation(const char* json_c_str) { VaidateProtoJsonTranslation(json_c_str); } void ValidateChannelProtoJsonTranslation(const char* json_c_str) { VaidateProtoJsonTranslation(json_c_str); } void ValidateGetTopChannelsResponseProtoJsonTranslation( const char* json_c_str) { VaidateProtoJsonTranslation( json_c_str); } void ValidateGetChannelResponseProtoJsonTranslation(const char* json_c_str) { VaidateProtoJsonTranslation( json_c_str); } void ValidateGetServerResponseProtoJsonTranslation(const char* json_c_str) { VaidateProtoJsonTranslation( json_c_str); } void ValidateSubchannelProtoJsonTranslation(const char* json_c_str) { VaidateProtoJsonTranslation(json_c_str); } void ValidateServerProtoJsonTranslation(const char* json_c_str) { VaidateProtoJsonTranslation(json_c_str); } void ValidateGetServersResponseProtoJsonTranslation(const char* json_c_str) { VaidateProtoJsonTranslation( json_c_str); } } // namespace testing } // namespace grpc