Created fakes for HID-detection screen testing. Initial browsertest added.

BUG=456779
TBR=keybuk@chromium.org

Review URL: https://codereview.chromium.org/913773002

Cr-Commit-Position: refs/heads/master@{#318667}

10 files changed, 229 insertions, 20 deletions

diff --git a/chrome/browser/chromeos/device/input_service_proxy.cc b/chrome/browser/chromeos/device/input_service_proxy.cc
index 861ef6c..3d27ab1 100644
--- a/chrome/browser/chromeos/device/input_service_proxy.cc
+++ b/chrome/browser/chromeos/device/input_service_proxy.cc
@@ -15,6 +15,9 @@ typedef device::InputServiceLinux::InputDeviceInfo InputDeviceInfo;
 
 namespace chromeos {
 
+// static
+BrowserThread::ID InputServiceProxy::thread_identifier_ = BrowserThread::FILE;
+
 class InputServiceProxy::ServiceObserver : public InputServiceLinux::Observer {
  public:
   ServiceObserver() { DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); }
@@ -73,7 +76,7 @@ class InputServiceProxy::ServiceObserver : public InputServiceLinux::Observer {
 
  private:
   bool CalledOnValidThread() const {
-    return BrowserThread::CurrentlyOn(BrowserThread::FILE);
+    return BrowserThread::CurrentlyOn(InputServiceProxy::thread_identifier_);
   }
 
   base::WeakPtr<InputServiceProxy> proxy_;
@@ -82,10 +85,12 @@ class InputServiceProxy::ServiceObserver : public InputServiceLinux::Observer {
 };
 
 InputServiceProxy::InputServiceProxy()
-    : service_observer_(new ServiceObserver()), weak_factory_(this) {
+    : service_observer_(new ServiceObserver()),
+      task_runner_(BrowserThread::GetMessageLoopProxyForThread(
+          thread_identifier_)),
+      weak_factory_(this) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  BrowserThread::PostTask(
-      BrowserThread::FILE,
+  task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&InputServiceProxy::ServiceObserver::Initialize,
                  base::Unretained(service_observer_.get()),
@@ -94,8 +99,7 @@ InputServiceProxy::InputServiceProxy()
 
 InputServiceProxy::~InputServiceProxy() {
   DCHECK(thread_checker_.CalledOnValidThread());
-  BrowserThread::PostTask(
-      BrowserThread::FILE,
+  task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&InputServiceProxy::ServiceObserver::Shutdown,
                  base::Unretained(service_observer_.release())));
@@ -104,7 +108,7 @@ InputServiceProxy::~InputServiceProxy() {
 // static
 void InputServiceProxy::WarmUp() {
   content::BrowserThread::PostTask(
-      content::BrowserThread::FILE,
+      thread_identifier_,
       FROM_HERE,
       base::Bind(base::IgnoreResult(&InputServiceLinux::GetInstance)));
 }
@@ -123,8 +127,8 @@ void InputServiceProxy::RemoveObserver(Observer* observer) {
 
 void InputServiceProxy::GetDevices(const GetDevicesCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  BrowserThread::PostTaskAndReplyWithResult(
-      BrowserThread::FILE,
+  base::PostTaskAndReplyWithResult(
+      task_runner_.get(),
       FROM_HERE,
       base::Bind(&InputServiceProxy::ServiceObserver::GetDevices,
                  base::Unretained(service_observer_.get())),
@@ -134,8 +138,7 @@ void InputServiceProxy::GetDevices(const GetDevicesCallback& callback) {
 void InputServiceProxy::GetDeviceInfo(const std::string& id,
                                       const GetDeviceInfoCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  BrowserThread::PostTask(
-      BrowserThread::FILE,
+  task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&InputServiceProxy::ServiceObserver::GetDeviceInfo,
                  base::Unretained(service_observer_.release()),
@@ -143,6 +146,11 @@ void InputServiceProxy::GetDeviceInfo(const std::string& id,
                  callback));
 }
 
+// static
+void InputServiceProxy::SetThreadIdForTesting(BrowserThread::ID thread_id) {
+  InputServiceProxy::thread_identifier_ = thread_id;
+}
+
 void InputServiceProxy::OnDeviceAdded(
     const InputServiceLinux::InputDeviceInfo& info) {
   DCHECK(thread_checker_.CalledOnValidThread());
diff --git a/chrome/browser/chromeos/device/input_service_proxy.h b/chrome/browser/chromeos/device/input_service_proxy.h
index e41196f..44a0a63 100644
--- a/chrome/browser/chromeos/device/input_service_proxy.h
+++ b/chrome/browser/chromeos/device/input_service_proxy.h
@@ -11,7 +11,9 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
+#include "base/task_runner.h"
 #include "base/threading/thread_checker.h"
+#include "content/public/browser/browser_thread.h"
 #include "device/hid/input_service_linux.h"
 
 namespace chromeos {
@@ -47,7 +49,12 @@ class InputServiceProxy {
   void GetDeviceInfo(const std::string& id,
                      const GetDeviceInfoCallback& callback);
 
+  // Should be called once before any InputServiceProxy instance is created.
+  static void SetThreadIdForTesting(content::BrowserThread::ID thread_id);
+
  private:
+  static content::BrowserThread::ID thread_identifier_;
+
   class ServiceObserver;
 
   void OnDeviceAdded(const device::InputServiceLinux::InputDeviceInfo& info);
@@ -58,6 +65,8 @@ class InputServiceProxy {
 
   base::ThreadChecker thread_checker_;
 
+  scoped_refptr<base::TaskRunner> task_runner_;
+
   base::WeakPtrFactory<InputServiceProxy> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InputServiceProxy);
diff --git a/chrome/browser/chromeos/login/hid_detection_browsertest.cc b/chrome/browser/chromeos/login/hid_detection_browsertest.cc
new file mode 100644
index 0000000..ebb23d2
--- /dev/null
+++ b/chrome/browser/chromeos/login/hid_detection_browsertest.cc
@@ -0,0 +1,124 @@
+// 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 "base/bind.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/chromeos/login/test/oobe_base_test.h"
+#include "chrome/browser/chromeos/login/test/oobe_screen_waiter.h"
+#include "chrome/browser/chromeos/login/ui/oobe_display.h"
+#include "content/public/browser/browser_thread.h"
+#include "device/bluetooth/bluetooth_adapter_factory.h"
+#include "device/bluetooth/test/mock_bluetooth_adapter.h"
+#include "device/hid/fake_input_service_linux.h"
+#include "device/hid/input_service_linux.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+using content::BrowserThread;
+using device::InputServiceLinux;
+using testing::_;
+
+using InputDeviceInfo = InputServiceLinux::InputDeviceInfo;
+
+namespace {
+
+void SetUpBluetoothMock(
+    scoped_refptr<
+        testing::NiceMock<device::MockBluetoothAdapter> > mock_adapter,
+    bool is_present) {
+  device::BluetoothAdapterFactory::SetAdapterForTesting(mock_adapter);
+
+  EXPECT_CALL(*mock_adapter, IsPresent())
+      .WillRepeatedly(testing::Return(is_present));
+
+  EXPECT_CALL(*mock_adapter, IsPowered())
+      .WillRepeatedly(testing::Return(true));
+  EXPECT_CALL(*mock_adapter, GetDevices()).WillRepeatedly(
+      testing::Return(device::BluetoothAdapter::ConstDeviceList()));
+}
+
+}  // namespace
+
+namespace chromeos {
+
+class HidDetectionTest : public OobeBaseTest {
+ public:
+  typedef device::InputServiceLinux::InputDeviceInfo InputDeviceInfo;
+
+  HidDetectionTest() : weak_ptr_factory_(this) {
+    InputServiceProxy::SetThreadIdForTesting(content::BrowserThread::UI);
+    HidDetectionTest::InitInputService();
+  }
+
+  ~HidDetectionTest() override {}
+
+  void InitInputService() {
+    input_service_linux_.reset(new device::FakeInputServiceLinux);
+    InputServiceLinux::SetForTesting(input_service_linux_.get());
+  }
+
+  void SetUpOnMainThread() override {
+    OobeBaseTest::SetUpOnMainThread();
+  }
+
+  void SetUpInProcessBrowserTestFixture() override {
+    OobeBaseTest::SetUpInProcessBrowserTestFixture();
+
+    mock_adapter_ = new testing::NiceMock<device::MockBluetoothAdapter>();
+    SetUpBluetoothMock(mock_adapter_, true);
+  }
+
+  void AddUsbMouse(const std::string& mouse_id) {
+    InputDeviceInfo mouse;
+    mouse.id = mouse_id;
+    mouse.subsystem = InputDeviceInfo::SUBSYSTEM_INPUT;
+    mouse.type = InputDeviceInfo::TYPE_USB;
+    mouse.is_mouse = true;
+    LOG(ERROR) << input_service_linux_.get();
+    input_service_linux_->AddDeviceForTesting(mouse);
+  }
+
+  void AddUsbKeyboard(const std::string& keyboard_id) {
+    InputDeviceInfo keyboard;
+    keyboard.id = keyboard_id;
+    keyboard.subsystem = InputDeviceInfo::SUBSYSTEM_INPUT;
+    keyboard.type = InputDeviceInfo::TYPE_USB;
+    keyboard.is_keyboard = true;
+    input_service_linux_->AddDeviceForTesting(keyboard);
+  }
+
+ private:
+  scoped_refptr<
+      testing::NiceMock<device::MockBluetoothAdapter> > mock_adapter_;
+
+  scoped_ptr<device::FakeInputServiceLinux> input_service_linux_;
+
+  base::WeakPtrFactory<HidDetectionTest> weak_ptr_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(HidDetectionTest);
+};
+
+class HidDetectionSkipTest : public HidDetectionTest {
+ public:
+  HidDetectionSkipTest() {
+    AddUsbMouse("mouse");
+    AddUsbKeyboard("keyboard");
+  }
+
+  void SetUpOnMainThread() override {
+    HidDetectionTest::SetUpOnMainThread();
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(HidDetectionTest, NoDevicesConnected) {
+  OobeScreenWaiter(OobeDisplay::SCREEN_OOBE_HID_DETECTION).Wait();
+}
+
+IN_PROC_BROWSER_TEST_F(HidDetectionSkipTest, BothDevicesPreConnected) {
+  OobeScreenWaiter(OobeDisplay::SCREEN_OOBE_NETWORK).Wait();
+
+}
+
+}  // namespace chromeos
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 015a219..593f2e6 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -657,6 +657,7 @@
       'browser/chromeos/login/enrollment/mock_enrollment_screen.cc',
       'browser/chromeos/login/enrollment/mock_enrollment_screen.h',
       'browser/chromeos/login/existing_user_controller_browsertest.cc',
+      'browser/chromeos/login/hid_detection_browsertest.cc',
       'browser/chromeos/login/kiosk_browsertest.cc',
       'browser/chromeos/login/lock/screen_locker_tester.cc',
       'browser/chromeos/login/lock/screen_locker_tester.h',
diff --git a/device/hid/BUILD.gn b/device/hid/BUILD.gn
index b037573..4a6a1b2 100644
--- a/device/hid/BUILD.gn
+++ b/device/hid/BUILD.gn
@@ -6,6 +6,8 @@ source_set("hid") {
   sources = [
     "device_monitor_linux.cc",
     "device_monitor_linux.h",
+    "fake_input_service_linux.cc",
+    "fake_input_service_linux.h",
     "hid_collection_info.cc",
     "hid_collection_info.h",
     "hid_connection.cc",
diff --git a/device/hid/fake_input_service_linux.cc b/device/hid/fake_input_service_linux.cc
new file mode 100644
index 0000000..ae3f085
--- /dev/null
+++ b/device/hid/fake_input_service_linux.cc
@@ -0,0 +1,30 @@
+// Copyright 2015 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 "device/hid/fake_input_service_linux.h"
+
+#include <string>
+#include <vector>
+
+namespace device {
+
+FakeInputServiceLinux::FakeInputServiceLinux() {
+}
+
+FakeInputServiceLinux::~FakeInputServiceLinux() {
+}
+
+void FakeInputServiceLinux::AddDeviceForTesting(const InputDeviceInfo& info) {
+  AddDevice(info);
+}
+
+void FakeInputServiceLinux::RemoveDeviceForTesting(const std::string& id) {
+  RemoveDevice(id);
+}
+
+void FakeInputServiceLinux::ClearDeviceList() {
+  devices_.clear();
+}
+
+}  // namespace device
\ No newline at end of file
diff --git a/device/hid/fake_input_service_linux.h b/device/hid/fake_input_service_linux.h
new file mode 100644
index 0000000..1b46d98
--- /dev/null
+++ b/device/hid/fake_input_service_linux.h
@@ -0,0 +1,29 @@
+// Copyright 2015 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.
+
+#ifndef DEVICE_HID_FAKE_INPUT_SERVICE_LINUX_H_
+#define DEVICE_HID_FAKE_INPUT_SERVICE_LINUX_H_
+
+#include <string>
+
+#include "device/hid/input_service_linux.h"
+
+namespace device {
+
+class FakeInputServiceLinux : public InputServiceLinux {
+
+ public:
+  FakeInputServiceLinux();
+  ~FakeInputServiceLinux() override;
+
+  void AddDeviceForTesting(const InputDeviceInfo& info);
+  void RemoveDeviceForTesting(const std::string& id);
+  void ClearDeviceList();
+
+  DISALLOW_COPY_AND_ASSIGN(FakeInputServiceLinux);
+};
+
+}  // namespace device
+
+#endif  // DEVICE_HID_FAKE_INPUT_SERVICE_LINUX_H_
diff --git a/device/hid/hid.gyp b/device/hid/hid.gyp
index 42215d7..00b9a90 100644
--- a/device/hid/hid.gyp
+++ b/device/hid/hid.gyp
@@ -21,6 +21,8 @@
       'sources': [
         'device_monitor_linux.cc',
         'device_monitor_linux.h',
+        'fake_input_service_linux.cc',
+        'fake_input_service_linux.h',
         'hid_collection_info.cc',
         'hid_collection_info.h',
         'hid_connection.cc',
@@ -66,6 +68,8 @@
             'device_monitor_linux.h',
             'hid_service_linux.cc',
             'hid_service_linux.h',
+            'fake_input_service_linux.cc',
+            'fake_input_service_linux.h',
             'input_service_linux.cc',
             'input_service_linux.h',
           ],
diff --git a/device/hid/input_service_linux.cc b/device/hid/input_service_linux.cc
index f6fd0dc..81cac1a 100644
--- a/device/hid/input_service_linux.cc
+++ b/device/hid/input_service_linux.cc
@@ -90,6 +90,9 @@ class InputServiceLinuxImpl : public InputServiceLinux,
 };
 
 InputServiceLinuxImpl::InputServiceLinuxImpl() {
+  base::ThreadRestrictions::AssertIOAllowed();
+  base::MessageLoop::current()->AddDestructionObserver(this);
+
   DeviceMonitorLinux::GetInstance()->AddObserver(this);
   DeviceMonitorLinux::GetInstance()->Enumerate(base::Bind(
       &InputServiceLinuxImpl::OnDeviceAdded, base::Unretained(this)));
@@ -98,6 +101,7 @@ InputServiceLinuxImpl::InputServiceLinuxImpl() {
 InputServiceLinuxImpl::~InputServiceLinuxImpl() {
   if (DeviceMonitorLinux::HasInstance())
     DeviceMonitorLinux::GetInstance()->RemoveObserver(this);
+  base::MessageLoop::current()->RemoveDestructionObserver(this);
 }
 
 void InputServiceLinuxImpl::OnDeviceAdded(udev_device* device) {
@@ -162,13 +166,10 @@ InputServiceLinux::InputDeviceInfo::InputDeviceInfo()
       is_touchscreen(false) {}
 
 InputServiceLinux::InputServiceLinux() {
-  base::ThreadRestrictions::AssertIOAllowed();
-  base::MessageLoop::current()->AddDestructionObserver(this);
 }
 
 InputServiceLinux::~InputServiceLinux() {
   DCHECK(CalledOnValidThread());
-  base::MessageLoop::current()->RemoveDestructionObserver(this);
 }
 
 // static
diff --git a/device/hid/input_service_linux.h b/device/hid/input_service_linux.h
index 55bf70c..7eda3bb 100644
--- a/device/hid/input_service_linux.h
+++ b/device/hid/input_service_linux.h
@@ -45,6 +45,9 @@ class InputServiceLinux : public base::MessageLoop::DestructionObserver {
     bool is_touchscreen : 1;
   };
 
+
+  using DeviceMap = base::hash_map<std::string, InputDeviceInfo>;
+
   class Observer {
    public:
     virtual ~Observer() {}
@@ -53,6 +56,7 @@ class InputServiceLinux : public base::MessageLoop::DestructionObserver {
   };
 
   InputServiceLinux();
+  ~InputServiceLinux() override;
 
   static InputServiceLinux* GetInstance();
   static bool HasInstance();
@@ -73,21 +77,18 @@ class InputServiceLinux : public base::MessageLoop::DestructionObserver {
   void WillDestroyCurrentMessageLoop() override;
 
  protected:
-  ~InputServiceLinux() override;
 
   void AddDevice(const InputDeviceInfo& info);
   void RemoveDevice(const std::string& id);
 
   bool CalledOnValidThread() const;
 
- private:
-  friend struct base::DefaultDeleter<InputServiceLinux>;
-
-  typedef base::hash_map<std::string, InputDeviceInfo> DeviceMap;
-
   DeviceMap devices_;
   ObserverList<Observer> observers_;
 
+ private:
+  friend struct base::DefaultDeleter<InputServiceLinux>;
+
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(InputServiceLinux);