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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include <string>
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "chrome/renderer/media/webrtc_logging_agent_impl.h"
#include "mojo/public/cpp/bindings/unique_receiver_set.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/modules/webrtc/webrtc_logging.h"
namespace chrome {
namespace {
class WebRtcLoggingClientRecorder : public mojom::WebRtcLoggingClient {
public:
struct Log {
std::string buffer;
int on_stopped_count = 0;
};
explicit WebRtcLoggingClientRecorder(Log* log) : log_(log) {}
~WebRtcLoggingClientRecorder() override = default;
// mojom::WebRtcLoggingClient methods:
void OnAddMessages(
std::vector<mojom::WebRtcLoggingMessagePtr> messages) override {
for (auto& message : messages) {
log_->buffer.append(message->data);
log_->buffer.append("\n");
}
}
void OnStopped() override { log_->on_stopped_count++; }
private:
const raw_ptr<Log> log_;
};
} // namespace
TEST(WebRtcLoggingAgentImplTest, Basic) {
constexpr char kTestString[] = "abcdefghijklmnopqrstuvwxyz";
base::test::TaskEnvironment task_environment;
mojo::UniqueReceiverSet<mojom::WebRtcLoggingClient> client_set;
WebRtcLoggingAgentImpl agent;
WebRtcLoggingClientRecorder::Log log;
// Start agent.
{
mojo::PendingRemote<mojom::WebRtcLoggingClient> client;
client_set.Add(std::make_unique<WebRtcLoggingClientRecorder>(&log),
client.InitWithNewPipeAndPassReceiver());
agent.Start(std::move(client));
}
base::RunLoop().RunUntilIdle();
// These log messages should be added to the log buffer.
blink::WebRtcLogMessage(kTestString);
blink::WebRtcLogMessage(kTestString);
base::RunLoop().RunUntilIdle();
// Stop logging messages.
agent.Stop();
base::RunLoop().RunUntilIdle();
// This log message should not be added to the log buffer.
blink::WebRtcLogMessage(kTestString);
base::RunLoop().RunUntilIdle();
// Size is calculated as (sizeof(kTestString) - 1 for terminating null
// + 1 for eol added for each log message in LogMessage) * 2.
constexpr uint32_t kExpectedSize = sizeof(kTestString) * 2;
EXPECT_EQ(kExpectedSize, log.buffer.size());
std::string ref_output = kTestString;
ref_output.append("\n");
ref_output.append(kTestString);
ref_output.append("\n");
EXPECT_STREQ(ref_output.c_str(), log.buffer.c_str());
EXPECT_EQ(1, log.on_stopped_count);
}
} // namespace chrome
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