Creating the audio_modem component

components/copresence/handlers/audio/audio_directive_handler_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 <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/timer/mock_timer.h"
+#include "components/audio_modem/public/modem.h"
+#include "components/audio_modem/test/random_samples.h"
 #include "components/copresence/handlers/audio/audio_directive_handler_impl.h"
 #include "components/copresence/handlers/audio/tick_clock_ref_counted.h"
-#include "components/copresence/mediums/audio/audio_manager.h"
 #include "components/copresence/proto/data.pb.h"
-#include "components/copresence/test/audio_test_support.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using audio_modem::AUDIBLE;
+using audio_modem::AudioType;
+using audio_modem::INAUDIBLE;
+
 namespace copresence {
 
 namespace {
 
 const Directive CreateDirective(TokenInstructionType type,
                                 bool audible,
                                 int64 ttl) {
   Directive directive;
   directive.mutable_token_instruction()->set_token_instruction_type(type);
   directive.mutable_token_instruction()->set_token_id("token");
   directive.mutable_token_instruction()->set_medium(audible ?
       AUDIO_AUDIBLE_DTMF : AUDIO_ULTRASOUND_PASSBAND);
   directive.set_ttl_millis(ttl);
   return directive;
 }
 
 }  // namespace
 
-class AudioManagerStub final : public AudioManager {
+class StubModem final : public audio_modem::Modem {
  public:
-  AudioManagerStub() {}
-  ~AudioManagerStub() override {}
+  StubModem() {}
+  ~StubModem() override {}
 
   // AudioManager overrides:
-  void Initialize(WhispernetClient* whispernet_client,
-                  const TokensCallback& tokens_cb) override {}
+  void Initialize(audio_modem::WhispernetClient* whispernet_client,
+                  const audio_modem::TokensCallback& tokens_cb) override {}
   void StartPlaying(AudioType type) override { playing_[type] = true; }
   void StopPlaying(AudioType type) override { playing_[type] = false; }
   void StartRecording(AudioType type) override { recording_[type] = true; }
   void StopRecording(AudioType type) override { recording_[type] = false; }
   void SetToken(AudioType type, const std::string& url_unsafe_token) override {}
   const std::string GetToken(AudioType type) override { return std::string(); }
   bool IsPlayingTokenHeard(AudioType type) override { return false; }
   void SetTokenLength(AudioType type, size_t token_length) override {}
 
   bool IsRecording(AudioType type) { return recording_[type]; }
   bool IsPlaying(AudioType type) { return playing_[type]; }
 
  private:
   // Indexed using enum AudioType.
   bool playing_[2];
   bool recording_[2];
 
-  DISALLOW_COPY_AND_ASSIGN(AudioManagerStub);
+  DISALLOW_COPY_AND_ASSIGN(StubModem);
 };
 
 class AudioDirectiveHandlerTest : public testing::Test {
  public:
   AudioDirectiveHandlerTest() {
-    manager_ptr_ = new AudioManagerStub;
+    modem_ptr_ = new StubModem;
     timer_ptr_ = new base::MockTimer(false, false);
     clock_ptr_ = new base::SimpleTestTickClock;
 
     directive_handler_.reset(new AudioDirectiveHandlerImpl(
         base::Bind(&AudioDirectiveHandlerTest::GetDirectiveUpdates,
                    base::Unretained(this)),
-        make_scoped_ptr<AudioManager>(manager_ptr_),
+        make_scoped_ptr<audio_modem::Modem>(modem_ptr_),
         make_scoped_ptr<base::Timer>(timer_ptr_),
         make_scoped_refptr(new TickClockRefCounted(clock_ptr_))));
-    directive_handler_->Initialize(nullptr, TokensCallback());
+    directive_handler_->Initialize(nullptr, audio_modem::TokensCallback());
   }
   ~AudioDirectiveHandlerTest() override {}
 
  protected:
   const std::vector<Directive>& current_directives() {
     return current_directives_;
   }
 
-  bool IsPlaying(AudioType type) { return manager_ptr_->IsPlaying(type); }
+  bool IsPlaying(AudioType type) { return modem_ptr_->IsPlaying(type); }
 
-  bool IsRecording(AudioType type) { return manager_ptr_->IsRecording(type); }
+  bool IsRecording(AudioType type) { return modem_ptr_->IsRecording(type); }
 
   // This order is important. We want the message loop to get created before
   // our the audio directive handler since the directive list ctor (invoked
   // from the directive handler ctor) will post tasks.
   base::MessageLoop message_loop_;
   scoped_ptr<AudioDirectiveHandler> directive_handler_;
 
   std::vector<Directive> current_directives_;
 
   // Unowned.
-  AudioManagerStub* manager_ptr_;
+  StubModem* modem_ptr_;
   base::MockTimer* timer_ptr_;
   base::SimpleTestTickClock* clock_ptr_;
 
  private:
   void GetDirectiveUpdates(const std::vector<Directive>& current_directives) {
     current_directives_ = current_directives;
   }
 
   DISALLOW_COPY_AND_ASSIGN(AudioDirectiveHandlerTest);
 };
@@ skipping 76 matching lines @@
   // Advance to +11ms.
   clock_ptr_->Advance(twoMs);
   timer_ptr_->Fire();
   EXPECT_FALSE(IsRecording(AUDIBLE));
 }
 
 // TODO(rkc): Write more tests that check more convoluted sequences of
 // transmits/receives.
 
 }  // namespace copresence