| /* |
| * |
| * 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 "test/cpp/util/channel_trace_proto_helper.h" |
| |
| #include <google/protobuf/text_format.h> |
| #include <google/protobuf/util/json_util.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/log.h> |
| #include <gtest/gtest.h> |
| |
| #include "src/proto/grpc/channelz/channelz.pb.h" |
| |
| namespace grpc { |
| namespace testing { |
| |
| 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 <typename Message> |
| void VaidateProtoJsonTranslation(char* json_c_str) { |
| std::string json_str(json_c_str); |
| Message msg; |
| google::protobuf::util::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; |
| EXPECT_EQ(google::protobuf::util::JsonStringToMessage(json_str, &msg, |
| parse_options), |
| google::protobuf::util::Status::OK); |
| std::string proto_json_str; |
| google::protobuf::util::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; |
| EXPECT_EQ(google::protobuf::util::MessageToJsonString(msg, &proto_json_str, |
| print_options), |
| google::protobuf::util::Status::OK); |
| // uncomment these to compare the the json strings. |
| // gpr_log(GPR_ERROR, "tracer json: %s", json_str.c_str()); |
| // gpr_log(GPR_ERROR, "proto json: %s", proto_json_str.c_str()); |
| EXPECT_EQ(json_str, proto_json_str); |
| } |
| |
| } // namespace |
| |
| void ValidateChannelTraceProtoJsonTranslation(char* tracer_json_c_str) { |
| VaidateProtoJsonTranslation<grpc::channelz::v1::ChannelTrace>( |
| tracer_json_c_str); |
| } |
| |
| void ValidateChannelProtoJsonTranslation(char* channel_json_c_str) { |
| VaidateProtoJsonTranslation<grpc::channelz::v1::Channel>(channel_json_c_str); |
| } |
| |
| } // namespace testing |
| } // namespace grpc |