Cast: IPC from browser to renderer to send packet events from transport to cast library.

media/cast/transport/cast_transport_sender_impl_unittest.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <gtest/gtest.h>
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/test/simple_test_tick_clock.h"
+#include "media/cast/cast_config.h"
+#include "media/cast/rtcp/rtcp.h"
+#include "media/cast/test/fake_single_thread_task_runner.h"
+#include "media/cast/transport/cast_transport_config.h"
+#include "media/cast/transport/cast_transport_sender_impl.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+namespace cast {
+namespace transport {
+
+static const int64 kStartMillisecond = GG_INT64_C(12345678900000);
+
+class FakePacketSender : public transport::PacketSender {
+ public:
+  FakePacketSender() {}
+
+  virtual bool SendPacket(const Packet& packet) OVERRIDE { return true; }
+};
+
+class CastTransportSenderImplTest : public ::testing::Test {
+ protected:
+  CastTransportSenderImplTest()
+      : testing_clock_(new base::SimpleTestTickClock()),
+        num_times_callback_called_(0) {
+    testing_clock_->Advance(
+        base::TimeDelta::FromMilliseconds(kStartMillisecond));
+    task_runner_ = new test::FakeSingleThreadTaskRunner(testing_clock_.get());
+  }
+
+  virtual ~CastTransportSenderImplTest() {}
+
+  void InitWithoutLogging() {
+    transport::CastTransportConfig transport_config;
+    transport_sender_.reset(
+        new CastTransportSenderImpl(testing_clock_.get(),
+                                    transport_config,
+                                    GetDefaultCastSenderLoggingConfig(),
+                                    base::Bind(&UpdateCastTransportStatus),
+                                    BulkRawEventsCallback(),
+                                    base::TimeDelta(),
+                                    task_runner_,
+                                    &transport_));
+    task_runner_->RunTasks();
+  }
+
+  void InitWithLogging() {
+    transport::CastTransportConfig transport_config;
+    transport_sender_.reset(new CastTransportSenderImpl(
+        testing_clock_.get(),
+        transport_config,
+        GetLoggingConfigWithRawEventsAndStatsEnabled(),
+        base::Bind(&UpdateCastTransportStatus),
+        base::Bind(&CastTransportSenderImplTest::LogRawEvents,
+                   base::Unretained(this)),
+        base::TimeDelta::FromMilliseconds(10),
+        task_runner_,
+        &transport_));
+    task_runner_->RunTasks();
+  }
+
+  void LogRawEvents(const std::vector<PacketEvent>& packet_events) {
+    num_times_callback_called_++;
+    if (num_times_callback_called_ == 3) {
+      run_loop_.Quit();
+    }
+  }
+
+  static void UpdateCastTransportStatus(transport::CastTransportStatus status) {
+    EXPECT_EQ(status, transport::TRANSPORT_INITIALIZED);
+  }
+
+  scoped_ptr<base::SimpleTestTickClock> testing_clock_;

[miu, 2014/02/26 22:43:51]

nit: This can be part of the class, rather than a pointer to another heap
object.

[imcheng, 2014/02/26 23:35:55]

Done.

+  scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
+  scoped_ptr<CastTransportSenderImpl> transport_sender_;
+  FakePacketSender transport_;
+  base::MessageLoopForIO message_loop_;
+  base::RunLoop run_loop_;
+  int num_times_callback_called_;
+};
+
+TEST_F(CastTransportSenderImplTest, InitWithoutLogging) {
+  InitWithoutLogging();
+  message_loop_.PostDelayedTask(FROM_HERE,
+                                run_loop_.QuitClosure(),
+                                base::TimeDelta::FromMilliseconds(50));
+  run_loop_.Run();
+  EXPECT_EQ(0, num_times_callback_called_);
+}
+
+TEST_F(CastTransportSenderImplTest, InitWithLogging) {
+  InitWithLogging();
+  message_loop_.PostDelayedTask(FROM_HERE,
+                                run_loop_.QuitClosure(),
+                                base::TimeDelta::FromMilliseconds(50));
+  run_loop_.Run();
+  EXPECT_GT(num_times_callback_called_, 1);
+}
+
+}  // namespace transport
+}  // namespace cast
+}  // namespace media