Add unittest for ArcNotificationContentView

ui/arc/notification/arc_notification_content_view_unittest.cc

+// Copyright 2017 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 <map>
+#include <memory>
+#include <set>
+#include <string>
+#include <utility>
+
+#include "base/strings/utf_string_conversions.h"
+#include "ui/arc/notification/arc_notification_content_view.h"
+#include "ui/arc/notification/arc_notification_delegate.h"
+#include "ui/arc/notification/arc_notification_item.h"
+#include "ui/arc/notification/arc_notification_surface.h"
+#include "ui/arc/notification/arc_notification_view.h"
+#include "ui/aura/test/test_window_delegate.h"
+#include "ui/aura/window.h"
+#include "ui/message_center/notification.h"
+#include "ui/message_center/views/message_center_controller.h"
+#include "ui/message_center/views/message_view_factory.h"
+#include "ui/views/controls/button/image_button.h"
+#include "ui/views/test/views_test_base.h"
+
+namespace arc {
+
+namespace {
+
+constexpr char kNotificationIdPrefix[] = "ARC_NOTIFICATION_";
+
+class MockNotificationSurface : public ArcNotificationSurface {
+ public:
+  MockNotificationSurface(const std::string& notification_key,
+                          std::unique_ptr<aura::Window> window)
+      : notification_key_(notification_key), window_(std::move(window)) {}
+
+  gfx::Size GetSize() const override { return gfx::Size(100, 200); }
+
+  void Attach(views::NativeViewHost* nvh) override {
+    native_view_host_ = nvh;
+    nvh->Attach(window_.get());
+  }
+
+  void Detach() override {
+    EXPECT_TRUE(native_view_host_);
+    EXPECT_EQ(window_.get(), native_view_host_->native_view());
+    native_view_host_->Detach();
+    native_view_host_ = nullptr;
+  }
+
+  bool IsAttached() const override { return native_view_host_; }
+
+  aura::Window* GetWindow() const override { return window_.get(); }
+  aura::Window* GetContentWindow() const override { return window_.get(); }
+
+  const std::string& GetNotificationKey() const override {
+    return notification_key_;
+  }
+
+ private:
+  std::string notification_key_;
+  std::unique_ptr<aura::Window> window_;
+  views::NativeViewHost* native_view_host_ = nullptr;
+
+  DISALLOW_COPY_AND_ASSIGN(MockNotificationSurface);
+};
+
+class TestNotificationSurfaceManager : public ArcNotificationSurfaceManager {
+ public:
+  TestNotificationSurfaceManager() = default;
+
+  void PrepareSurface(std::string& notification_key) {
+    auto surface_window = base::MakeUnique<aura::Window>(&window_delegate_);
+    surface_window->SetType(aura::client::WINDOW_TYPE_CONTROL);
+    surface_window->Init(ui::LAYER_NOT_DRAWN);
+    surface_window->set_owned_by_parent(false);
+    surface_window->SetBounds(gfx::Rect(0, 0, 100, 200));
+
+    surface_map_[notification_key] = base::MakeUnique<MockNotificationSurface>(
+        notification_key, std::move(surface_window));
+  }
+  size_t surface_found_count() const { return surface_found_count_; }
+
+  ArcNotificationSurface* GetArcSurface(
+      const std::string& notification_key) const override {
+    auto it = surface_map_.find(notification_key);
+    if (it != surface_map_.end()) {
+      ++surface_found_count_;
+      return it->second.get();
+    }
+    return nullptr;
+  }
+  void AddObserver(Observer* observer) override {}
+  void RemoveObserver(Observer* observer) override {}
+
+ private:
+  // Static for modifying in const method.
+  static int surface_found_count_;

[hidehiko, 2017/06/18 17:44:05]

Then what you need is mutable, I think.
https://google.github.io/styleguide/cppguide.html#Use_of_const

[yoshiki, 2017/06/19 09:09:02]

Done.

+
+  aura::test::TestWindowDelegate window_delegate_;
+  std::map<std::string, std::unique_ptr<ArcNotificationSurface>> surface_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestNotificationSurfaceManager);
+};
+
+int TestNotificationSurfaceManager::surface_found_count_ = 0;
+
+}  // anonymous namespace
+
+class MockArcNotificationItem : public ArcNotificationItem {
+ public:
+  MockArcNotificationItem(const std::string& notification_key)
+      : notification_key_(notification_key),
+        notification_id_(kNotificationIdPrefix + notification_key),
+        weak_factory_(this) {}
+
+  // Methods for testing.
+  size_t count_close() { return count_close_; }
+  base::WeakPtr<MockArcNotificationItem> GetWeakPtr() {
+    return weak_factory_.GetWeakPtr();
+  }
+
+  // Overriding methods for testing.
+  void Close(bool by_user) override { count_close_++; }
+  const gfx::ImageSkia& GetSnapshot() const override { return snapshot_; }
+  const std::string& GetNotificationKey() const override {
+    return notification_key_;
+  }
+  const std::string& GetNotificationId() const override {
+    return notification_id_;
+  }
+
+  // Overriding methods for returning dummy data or doing nothing.
+  void OnClosedFromAndroid() override {}
+  void Click() override {}
+  void ToggleExpansion() override {}
+  void OpenSettings() override {}
+  void AddObserver(Observer* observer) override {}
+  void RemoveObserver(Observer* observer) override {}
+  void IncrementWindowRefCount() override {}
+  void DecrementWindowRefCount() override {}
+  bool GetPinned() const override { return false; }
+  bool IsOpeningSettingsSupported() const override { return true; }
+  mojom::ArcNotificationExpandState GetExpandState() const override {
+    return mojom::ArcNotificationExpandState::FIXED_SIZE;
+  }
+  mojom::ArcNotificationShownContents GetShownContents() const override {
+    return mojom::ArcNotificationShownContents::CONTENTS_SHOWN;
+  }
+  const base::string16& GetAccessibleName() const override {
+    return base::EmptyString16();
+  };
+  void OnUpdatedFromAndroid(mojom::ArcNotificationDataPtr data) override {}
+
+ private:
+  std::string notification_key_;
+  std::string notification_id_;
+  gfx::ImageSkia snapshot_;
+  size_t count_close_ = 0;
+
+  base::WeakPtrFactory<MockArcNotificationItem> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockArcNotificationItem);
+};
+
+class TestMessageCenterController
+    : public message_center::MessageCenterController {
+ public:
+  TestMessageCenterController() {}

[hidehiko, 2017/06/18 17:44:05]

nit: = default; please.
Ditto for below ctors and dtors.

[yoshiki, 2017/06/19 09:09:02]

Done.

+
+  // MessageCenterController
+  void ClickOnNotification(const std::string& notification_id) override {
+    // For this test, this method should not be invoked.
+    NOTREACHED();
+  }
+
+  void RemoveNotification(const std::string& notification_id,
+                          bool by_user) override {
+    removed_ids_.insert(notification_id);
+  }
+
+  std::unique_ptr<ui::MenuModel> CreateMenuModel(
+      const message_center::NotifierId& notifier_id,
+      const base::string16& display_source) override {
+    // For this test, this method should not be invoked.
+    NOTREACHED();
+    return nullptr;
+  }
+
+  bool HasClickedListener(const std::string& notification_id) override {
+    return false;
+  }
+
+  void ClickOnNotificationButton(const std::string& notification_id,
+                                 int button_index) override {
+    // For this test, this method should not be invoked.
+    NOTREACHED();
+  }
+
+  void ClickOnSettingsButton(const std::string& notification_id) override {
+    // For this test, this method should not be invoked.
+    NOTREACHED();
+  }
+
+  void UpdateNotificationSize(const std::string& notification_id) override {}
+
+  bool IsRemoved(const std::string& notification_id) const {
+    return (removed_ids_.find(notification_id) != removed_ids_.end());
+  }
+
+ private:
+  std::set<std::string> removed_ids_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestMessageCenterController);
+};
+
+class DummyEvent : public ui::Event {
+ public:
+  DummyEvent() : Event(ui::ET_UNKNOWN, base::TimeTicks(), 0) {}
+  ~DummyEvent() override {}
+};
+
+class ArcNotificationContentViewTest : public views::ViewsTestBase {
+ public:
+  ArcNotificationContentViewTest() {}
+  ~ArcNotificationContentViewTest() override {}
+
+  void SetUp() override {
+    views::ViewsTestBase::SetUp();
+
+    surface_manager_ = base::MakeUnique<TestNotificationSurfaceManager>();
+  }
+
+  void TearDown() override {

[hidehiko, 2017/06/18 17:44:05]

nit/optional: Maybe calling CloseNotificationView for the case that some
expectation failed? (with some change not to crash in case of wrapper_widget_ is
nullptr)

[yoshiki, 2017/06/19 09:09:02]

Added checks not to forget call CloseNotificationView.

+    surface_manager_.reset();
+
+    views::ViewsTestBase::TearDown();
+  }
+
+  void PressCloseButton() {
+    DummyEvent dummy_event;
+    views::ImageButton* close_button =
+        GetArcNotificationContentView()->close_button_.get();
+    ASSERT_NE(nullptr, close_button);
+    GetArcNotificationContentView()->ButtonPressed(close_button, dummy_event);
+  }
+
+  void CreateAndShowNotificationView(
+      const message_center::Notification& notification) {
+    DCHECK(!notification_view_);
+
+    notification_view_.reset(static_cast<ArcNotificationView*>(
+        message_center::MessageViewFactory::Create(controller(), notification,
+                                                   true)));
+    notification_view_->set_owned_by_client();
+    views::Widget::InitParams params(
+        CreateParams(views::Widget::InitParams::TYPE_POPUP));
+
+    params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+    wrapper_widget_ = base::MakeUnique<views::Widget>();
+    wrapper_widget_->Init(params);
+    wrapper_widget_->SetContentsView(notification_view_.get());
+    wrapper_widget_->SetSize(notification_view_->GetPreferredSize());
+  }
+
+  void CloseNotificationView() {
+    wrapper_widget_->Close();
+    wrapper_widget_.reset();
+
+    notification_view_.reset();
+  }
+
+  message_center::Notification CreateNotification(
+      MockArcNotificationItem* notification_item) {
+    auto* notification_delegate =
+        new ArcNotificationDelegate(notification_item->GetWeakPtr());

[hidehiko, 2017/06/18 17:44:05]

nit: you can inline for consistency.

[yoshiki, 2017/06/19 09:09:02]

Done.

+
+    return message_center::Notification(
+        message_center::NOTIFICATION_TYPE_CUSTOM,
+        notification_item->GetNotificationId(), base::UTF8ToUTF16("title"),
+        base::UTF8ToUTF16("message"), gfx::Image(), base::UTF8ToUTF16("arc"),
+        GURL(),
+        message_center::NotifierId(message_center::NotifierId::SYSTEM_COMPONENT,
+                                   "ARC_NOTIFICATION"),
+        message_center::RichNotificationData(), notification_delegate);
+  }
+
+  TestMessageCenterController* controller() { return &controller_; }
+  TestNotificationSurfaceManager* surface_manager() {
+    return surface_manager_.get();
+  }
+  views::Widget* widget() { return notification_view_->GetWidget(); }
+
+  ArcNotificationContentView* GetArcNotificationContentView() {
+    views::View* view = notification_view_->contents_view_;
+    EXPECT_EQ(ArcNotificationContentView::kViewClassName, view->GetClassName());
+    return static_cast<ArcNotificationContentView*>(view);
+  }
+
+  TestNotificationSurfaceManager* surface_manager() const {
+    return surface_manager_.get();
+  }
+
+ private:
+  TestMessageCenterController controller_;
+  std::unique_ptr<TestNotificationSurfaceManager> surface_manager_;
+  std::unique_ptr<ArcNotificationView> notification_view_;
+  std::unique_ptr<views::Widget> wrapper_widget_;
+
+  DISALLOW_COPY_AND_ASSIGN(ArcNotificationContentViewTest);
+};
+
+TEST_F(ArcNotificationContentViewTest, CreateSurfaceAfterNotification) {
+  std::string notification_key("notification id");
+
+  auto notification_item =
+      base::MakeUnique<MockArcNotificationItem>(notification_key);
+  message_center::Notification notification =
+      CreateNotification(notification_item.get());
+
+  surface_manager()->PrepareSurface(notification_key);
+
+  CreateAndShowNotificationView(notification);
+  CloseNotificationView();
+}
+
+TEST_F(ArcNotificationContentViewTest, CreateSurfaceBeforeNotification) {
+  std::string notification_key("notification id");
+
+  surface_manager()->PrepareSurface(notification_key);
+
+  auto notification_item =
+      base::MakeUnique<MockArcNotificationItem>(notification_key);
+  message_center::Notification notification =
+      CreateNotification(notification_item.get());
+
+  CreateAndShowNotificationView(notification);
+  CloseNotificationView();
+}
+
+TEST_F(ArcNotificationContentViewTest, CreateNotificationWithoutSurface) {
+  std::string notification_key("notification id");
+
+  auto notification_item =
+      base::MakeUnique<MockArcNotificationItem>(notification_key);
+  message_center::Notification notification =
+      CreateNotification(notification_item.get());
+
+  CreateAndShowNotificationView(notification);
+  CloseNotificationView();
+}
+
+TEST_F(ArcNotificationContentViewTest, CloseButton) {
+  std::string notification_key("notification id");
+
+  auto notification_item =
+      base::MakeUnique<MockArcNotificationItem>(notification_key);
+  surface_manager()->PrepareSurface(notification_key);
+  message_center::Notification notification =
+      CreateNotification(notification_item.get());
+  CreateAndShowNotificationView(notification);
+
+  EXPECT_EQ(1u, surface_manager()->surface_found_count());
+  EXPECT_FALSE(controller()->IsRemoved(notification_item->GetNotificationId()));
+  PressCloseButton();
+  EXPECT_TRUE(controller()->IsRemoved(notification_item->GetNotificationId()));
+
+  CloseNotificationView();
+}
+
+}  // namespace arc