2 * Copyright 2004-present Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
23 #include <folly/experimental/logging/LogHandler.h>
24 #include <folly/experimental/logging/LogHandlerConfig.h>
25 #include <folly/experimental/logging/LogMessage.h>
30 * A LogHandler that simply keeps a vector of all LogMessages it receives.
32 * This class is not thread-safe. It is intended to be used in single-threaded
35 class TestLogHandler : public LogHandler {
37 TestLogHandler() : config_{"test"} {}
38 explicit TestLogHandler(LogHandlerConfig config)
39 : config_{std::move(config)} {}
41 std::vector<std::pair<LogMessage, const LogCategory*>>& getMessages() {
46 const LogMessage& message,
47 const LogCategory* handlerCategory) override {
48 messages_.emplace_back(message, handlerCategory);
51 void flush() override {
55 uint64_t getFlushCount() const {
59 LogHandlerConfig getConfig() const override {
64 std::vector<std::pair<LogMessage, const LogCategory*>> messages_;
65 uint64_t flushCount_{0};
66 std::map<std::string, std::string> options_;
67 LogHandlerConfig config_;