Redesign the copresence audio handlers.

components/copresence/mediums/audio/audio_manager_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 "components/copresence/mediums/audio/audio_manager.h"
+
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "components/copresence/mediums/audio/audio_manager_impl.h"
+#include "components/copresence/mediums/audio/audio_player_stub.h"
+#include "components/copresence/mediums/audio/audio_recorder_stub.h"
+#include "components/copresence/test/audio_test_support.h"
+#include "media/base/audio_bus.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::_;
+using ::testing::Le;
+
+namespace copresence {
+
+class AudioManagerTest : public testing::Test {
+ public:
+  AudioManagerTest()
+      : audio_manager_(new AudioManagerImpl()),
+        audible_player_(new AudioPlayerStub),
+        inaudible_player_(new AudioPlayerStub),
+        recorder_(new AudioRecorderStub),
+        last_received_decode_type_(UNKNOWN) {
+    audio_manager_->set_player_for_testing(AUDIBLE, audible_player_);
+    audio_manager_->set_player_for_testing(INAUDIBLE, inaudible_player_);
+    audio_manager_->set_recorder_for_testing(recorder_);
+    audio_manager_->Initialize(
+        base::Bind(&AudioManagerTest::DecodeSamples, base::Unretained(this)),
+        base::Bind(&AudioManagerTest::EncodeToken, base::Unretained(this)));
+  }
+  virtual ~AudioManagerTest() {}
+
+  void DirectiveAdded() {}

[Daniel Erat, 2014/10/22 16:34:35]

did you mean to delete this too?

[rkc, 2014/10/22 18:21:48]

Done.

+
+ protected:
+  void EncodeToken(const std::string& token,
+                   AudioType audible,
+                   const AudioManager::SamplesCallback& callback) {
+    callback.Run(
+        token, audible, CreateRandomAudioRefCounted(0x1337, 1, 0x7331));
+  }
+
+  void DecodeSamples(AudioType type, const std::string& /* samples */) {
+    last_received_decode_type_ = type;
+  }
+
+  base::MessageLoop message_loop_;
+  scoped_ptr<AudioManagerImpl> audio_manager_;
+
+  // These will be deleted by audio_manager_'s dtor calling finalize on them.

[Daniel Erat, 2014/10/22 16:34:35]

nit: |audio_manager_|

[rkc, 2014/10/22 18:21:48]

Done.

+  AudioPlayerStub* audible_player_;
+  AudioPlayerStub* inaudible_player_;
+  AudioRecorderStub* recorder_;
+
+  AudioType last_received_decode_type_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AudioManagerTest);
+};
+
+TEST_F(AudioManagerTest, Basic) {
+  audio_manager_->StartPlaying(AUDIBLE);
+  EXPECT_TRUE(audio_manager_->IsPlaying(AUDIBLE));
+  EXPECT_FALSE(audio_manager_->IsPlaying(INAUDIBLE));
+
+  audio_manager_->StopPlaying(AUDIBLE);
+  EXPECT_FALSE(audio_manager_->IsPlaying(AUDIBLE));
+
+  audio_manager_->StartRecording(INAUDIBLE);
+  EXPECT_TRUE(audio_manager_->IsRecording(INAUDIBLE));
+  EXPECT_FALSE(audio_manager_->IsRecording(AUDIBLE));
+
+  audio_manager_->StopRecording(INAUDIBLE);
+  EXPECT_FALSE(audio_manager_->IsRecording(INAUDIBLE));
+}
+
+TEST_F(AudioManagerTest, EncodeToken) {
+  audio_manager_->StartPlaying(AUDIBLE);
+  // No token yet, player shouldn't be playing.
+  EXPECT_FALSE(audible_player_->IsPlaying());
+
+  audio_manager_->SetToken(INAUDIBLE, "abcd");
+  // No *audible* token yet, so player still shouldn't be playing.
+  EXPECT_FALSE(audible_player_->IsPlaying());
+
+  audio_manager_->SetToken(AUDIBLE, "abcd");
+  EXPECT_TRUE(audible_player_->IsPlaying());
+}
+
+TEST_F(AudioManagerTest, Record) {
+  recorder_->TriggerDecodeRequest();
+  EXPECT_EQ(UNKNOWN, last_received_decode_type_);
+
+  audio_manager_->StartRecording(AUDIBLE);
+  recorder_->TriggerDecodeRequest();
+  EXPECT_EQ(AUDIBLE, last_received_decode_type_);
+
+  audio_manager_->StartRecording(INAUDIBLE);
+  recorder_->TriggerDecodeRequest();
+  EXPECT_EQ(BOTH, last_received_decode_type_);
+
+  audio_manager_->StopRecording(AUDIBLE);
+  recorder_->TriggerDecodeRequest();
+  EXPECT_EQ(INAUDIBLE, last_received_decode_type_);
+}
+
+}  // namespace copresence