Add flag --require-audio-hardware-for-testing.

media/audio/audio_manager_unittest.cc

 // Copyright 2013 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 "base/bind.h"
 #include "base/environment.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
 #include "media/audio/audio_manager.h"
 #include "media/audio/audio_manager_base.h"
+#include "media/audio/audio_unittest_utils.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(USE_ALSA)
 #include "media/audio/alsa/audio_manager_alsa.h"
 #endif  // defined(USE_ALSA)
 
 #if defined(OS_WIN)
 #include "base/win/scoped_com_initializer.h"
 #include "media/audio/win/audio_manager_win.h"
@@ skipping 17 matching lines @@
 #endif
   {
     // Wait for audio thread initialization to complete.  Otherwise the
     // enumeration type may not have been set yet.
     base::WaitableEvent event(false, false);
     audio_manager_->GetTaskRunner()->PostTask(FROM_HERE, base::Bind(
         &base::WaitableEvent::Signal, base::Unretained(&event)));
     event.Wait();
   }
 
-  AudioManager* audio_manager() { return audio_manager_.get(); };
-
 #if defined(OS_WIN)
   bool SetMMDeviceEnumeration() {
     AudioManagerWin* amw = static_cast<AudioManagerWin*>(audio_manager_.get());
     // Windows Wave is used as default if Windows XP was detected =>
     // return false since MMDevice is not supported on XP.
     if (amw->enumeration_type() == AudioManagerWin::kWaveEnumeration)
       return false;
 
     amw->SetEnumerationType(AudioManagerWin::kMMDeviceEnumeration);
     return true;
@@ skipping 45 matching lines @@
         ++it;
       }
     } else {
       // Log a warning so we can see the status on the build bots.  No need to
       // break the test though since this does successfully test the code and
       // some failure cases.
       LOG(WARNING) << "No input devices detected";
     }
   }
 
-  bool CanRunInputTest() {
+  bool InputDevicesAvailable() {
     return audio_manager_->HasAudioInputDevices();
   }
 
-  bool CanRunOutputTest() {
+  bool OutputDevicesAvailable() {
     return audio_manager_->HasAudioOutputDevices();
   }
 
 #if defined(USE_ALSA) || defined(USE_PULSEAUDIO)
   template <class T>
   void CreateAudioManagerForTesting() {
     // Only one AudioManager may exist at a time, so destroy the one we're
     // currently holding before creating a new one.
     audio_manager_.reset();
     audio_manager_.reset(T::Create(&fake_audio_log_factory_));
   }
 #endif
 
   // Synchronously runs the provided callback/closure on the audio thread.
   void RunOnAudioThread(const base::Closure& closure) {
-    if (!audio_manager()->GetTaskRunner()->BelongsToCurrentThread()) {
+    if (!audio_manager_->GetTaskRunner()->BelongsToCurrentThread()) {
       base::WaitableEvent event(false, false);
       audio_manager_->GetTaskRunner()->PostTask(
           FROM_HERE,
           base::Bind(&AudioManagerTest::RunOnAudioThreadImpl,
                      base::Unretained(this),
                      closure,
                      &event));
       event.Wait();
     } else {
       closure.Run();
     }
   }
 
   void RunOnAudioThreadImpl(const base::Closure& closure,
                             base::WaitableEvent* event) {
-    DCHECK(audio_manager()->GetTaskRunner()->BelongsToCurrentThread());
+    DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
     closure.Run();
     event->Signal();
   }
 
   FakeAudioLogFactory fake_audio_log_factory_;
   scoped_ptr<AudioManager> audio_manager_;
 
 #if defined(OS_WIN)
   // The MMDevice API requires COM to be initialized on the current thread.
   base::win::ScopedCOMInitializer com_init_;
 #endif
 };
 
 // Test that devices can be enumerated.
 TEST_F(AudioManagerTest, EnumerateInputDevices) {
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   AudioDeviceNames device_names;
   RunOnAudioThread(
       base::Bind(&AudioManager::GetAudioInputDeviceNames,
-                 base::Unretained(audio_manager()),
+                 base::Unretained(audio_manager_.get()),
                  &device_names));
   CheckDeviceNames(device_names);
 }
 
 // Test that devices can be enumerated.
 TEST_F(AudioManagerTest, EnumerateOutputDevices) {
-  if (!CanRunOutputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(OutputDevicesAvailable());
 
   AudioDeviceNames device_names;
   RunOnAudioThread(
       base::Bind(&AudioManager::GetAudioOutputDeviceNames,
-                 base::Unretained(audio_manager()),
+                 base::Unretained(audio_manager_.get()),
                  &device_names));
   CheckDeviceNames(device_names);
 }
 
 // Run additional tests for Windows since enumeration can be done using
 // two different APIs. MMDevice is default for Vista and higher and Wave
 // is default for XP and lower.
 #if defined(OS_WIN)
 
 // Override default enumeration API and force usage of Windows MMDevice.
 // This test will only run on Windows Vista and higher.
 TEST_F(AudioManagerTest, EnumerateInputDevicesWinMMDevice) {
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   AudioDeviceNames device_names;
   if (!SetMMDeviceEnumeration()) {
     // Usage of MMDevice will fail on XP and lower.
     LOG(WARNING) << "MM device enumeration is not supported.";
     return;
   }
   audio_manager_->GetAudioInputDeviceNames(&device_names);
   CheckDeviceNames(device_names);
 }
 
 TEST_F(AudioManagerTest, EnumerateOutputDevicesWinMMDevice) {
-  if (!CanRunOutputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(OutputDevicesAvailable());
 
   AudioDeviceNames device_names;
   if (!SetMMDeviceEnumeration()) {
     // Usage of MMDevice will fail on XP and lower.
     LOG(WARNING) << "MM device enumeration is not supported.";
     return;
   }
   audio_manager_->GetAudioOutputDeviceNames(&device_names);
   CheckDeviceNames(device_names);
 }
 
 // Override default enumeration API and force usage of Windows Wave.
 // This test will run on Windows XP, Windows Vista and Windows 7.
 TEST_F(AudioManagerTest, EnumerateInputDevicesWinWave) {
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   AudioDeviceNames device_names;
   SetWaveEnumeration();
   audio_manager_->GetAudioInputDeviceNames(&device_names);
   CheckDeviceNames(device_names);
 }
 
 TEST_F(AudioManagerTest, EnumerateOutputDevicesWinWave) {
-  if (!CanRunOutputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(OutputDevicesAvailable());
 
   AudioDeviceNames device_names;
   SetWaveEnumeration();
   audio_manager_->GetAudioOutputDeviceNames(&device_names);
   CheckDeviceNames(device_names);
 }
 
 TEST_F(AudioManagerTest, WinXPDeviceIdUnchanged) {
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   AudioDeviceNames xp_device_names;
   SetWaveEnumeration();
   audio_manager_->GetAudioInputDeviceNames(&xp_device_names);
   CheckDeviceNames(xp_device_names);
 
   // Device ID should remain unchanged, including the default device ID.
   for (AudioDeviceNames::iterator i = xp_device_names.begin();
        i != xp_device_names.end(); ++i) {
     EXPECT_EQ(i->unique_id,
               GetDeviceIdFromPCMWaveInAudioInputStream(i->unique_id));
   }
 }
 
 TEST_F(AudioManagerTest, ConvertToWinXPInputDeviceId) {
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   if (!SetMMDeviceEnumeration()) {
     // Usage of MMDevice will fail on XP and lower.
     LOG(WARNING) << "MM device enumeration is not supported.";
     return;
   }
 
   AudioDeviceNames device_names;
   audio_manager_->GetAudioInputDeviceNames(&device_names);
   CheckDeviceNames(device_names);
@@ skipping 15 matching lines @@
 }
 
 #endif  // defined(OS_WIN)
 
 #if defined(USE_PULSEAUDIO)
 // On Linux, there are two implementations available and both can
 // sometimes be tested on a single system. These tests specifically
 // test Pulseaudio.
 
 TEST_F(AudioManagerTest, EnumerateInputDevicesPulseaudio) {
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   CreateAudioManagerForTesting<AudioManagerPulse>();
   if (audio_manager_.get()) {
     AudioDeviceNames device_names;
     audio_manager_->GetAudioInputDeviceNames(&device_names);
     CheckDeviceNames(device_names);
   } else {
     LOG(WARNING) << "No pulseaudio on this system.";
   }
 }
 
 TEST_F(AudioManagerTest, EnumerateOutputDevicesPulseaudio) {
-  if (!CanRunOutputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(OutputDevicesAvailable());
 
   CreateAudioManagerForTesting<AudioManagerPulse>();
   if (audio_manager_.get()) {
     AudioDeviceNames device_names;
     audio_manager_->GetAudioOutputDeviceNames(&device_names);
     CheckDeviceNames(device_names);
   } else {
     LOG(WARNING) << "No pulseaudio on this system.";
   }
 }
 #endif  // defined(USE_PULSEAUDIO)
 
 #if defined(USE_ALSA)
 // On Linux, there are two implementations available and both can
 // sometimes be tested on a single system. These tests specifically
 // test Alsa.
 
 TEST_F(AudioManagerTest, EnumerateInputDevicesAlsa) {
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   DVLOG(2) << "Testing AudioManagerAlsa.";
   CreateAudioManagerForTesting<AudioManagerAlsa>();
   AudioDeviceNames device_names;
   audio_manager_->GetAudioInputDeviceNames(&device_names);
   CheckDeviceNames(device_names);
 }
 
 TEST_F(AudioManagerTest, EnumerateOutputDevicesAlsa) {
-  if (!CanRunOutputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(OutputDevicesAvailable());
 
   DVLOG(2) << "Testing AudioManagerAlsa.";
   CreateAudioManagerForTesting<AudioManagerAlsa>();
   AudioDeviceNames device_names;
   audio_manager_->GetAudioOutputDeviceNames(&device_names);
   CheckDeviceNames(device_names);
 }
 #endif  // defined(USE_ALSA)
 
 TEST_F(AudioManagerTest, GetDefaultOutputStreamParameters) {
 #if defined(OS_WIN) || defined(OS_MACOSX)
-  if (!CanRunInputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable());
 
   AudioParameters params = audio_manager_->GetDefaultOutputStreamParameters();
   EXPECT_TRUE(params.IsValid());
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 }
 
 TEST_F(AudioManagerTest, GetAssociatedOutputDeviceID) {
 #if defined(OS_WIN) || defined(OS_MACOSX)
-  if (!CanRunInputTest() || !CanRunOutputTest())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(InputDevicesAvailable() && OutputDevicesAvailable());
 
   AudioDeviceNames device_names;
   audio_manager_->GetAudioInputDeviceNames(&device_names);
   bool found_an_associated_device = false;
   for (AudioDeviceNames::iterator it = device_names.begin();
        it != device_names.end();
        ++it) {
     EXPECT_FALSE(it->unique_id.empty());
     EXPECT_FALSE(it->device_name.empty());
     std::string output_device_id(
         audio_manager_->GetAssociatedOutputDeviceID(it->unique_id));
     if (!output_device_id.empty()) {
       DVLOG(2) << it->unique_id << " matches with " << output_device_id;
       found_an_associated_device = true;
     }
   }
 
   EXPECT_TRUE(found_an_associated_device);
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 }
 
 }  // namespace media