Add unit tests for DesktopMediaPickerViews.

chrome/browser/ui/views/desktop_media_picker_views_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 "base/bind.h"
+#include "base/run_loop.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/media/fake_desktop_media_list.h"
+#include "chrome/browser/ui/views/desktop_media_picker_views.h"
+#include "components/web_modal/test_web_contents_modal_dialog_host.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/aura/window.h"
+#include "ui/compositor/test/context_factories_for_test.h"
+#include "ui/views/test/views_test_helper.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/window/dialog_delegate.h"
+
+namespace views {
+
+class DesktopMediaPickerViewsTest : public testing::Test {
+ public:
+  DesktopMediaPickerViewsTest() {}
+  virtual ~DesktopMediaPickerViewsTest() {}
+
+  virtual void SetUp() OVERRIDE {
+    bool enable_pixel_output = false;
+    ui::ContextFactory* context_factory =
+        ui::InitializeContextFactoryForTests(enable_pixel_output);
+    test_helper_.reset(
+        ViewsTestHelper::Create(base::MessageLoopForUI::current(),
+                                context_factory));
+    test_helper_->SetUp();
+
+    Widget::InitParams params(Widget::InitParams::TYPE_WINDOW);
+    params.context = test_helper_->GetContext();
+    params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+    parent_widget_.reset(new Widget);
+    parent_widget_->Init(params);
+
+    media_list_ = new FakeDesktopMediaList();
+    scoped_ptr<FakeDesktopMediaList> media_list(media_list_);
+
+    base::string16 app_name = base::ASCIIToUTF16("foo");
+
+    picker_views_.reset(new DesktopMediaPickerViews());
+    picker_views_->Show(NULL,
+                        NULL,
+                        parent_widget_->GetNativeWindow(),
+                        app_name,
+                        app_name,
+                        media_list.PassAs<DesktopMediaList>(),
+                        base::Bind(&DesktopMediaPickerViewsTest::OnPickerDone,
+                                   base::Unretained(this)));
+  }
+
+  virtual void TearDown() OVERRIDE {
+    test_helper_->TearDown();
+    ui::TerminateContextFactoryForTests();
+  }
+
+  DesktopMediaPickerDialogView* GetPickerDialogView() const {
+    return picker_views_->GetDialogViewForTesting();
+  }
+
+  MOCK_METHOD1(OnPickerDone, void(content::DesktopMediaID));
+
+ protected:
+  content::TestBrowserThreadBundle thread_bundle_;
+  scoped_ptr<views::ViewsTestHelper> test_helper_;
+  FakeDesktopMediaList* media_list_;
+  scoped_ptr<Widget> parent_widget_;
+  scoped_ptr<DesktopMediaPickerViews> picker_views_;
+};
+
+TEST_F(DesktopMediaPickerViewsTest, DoneCallbackCalledWhenWindowClosed) {
+  EXPECT_CALL(*this, OnPickerDone(content::DesktopMediaID()));
+
+  GetPickerDialogView()->GetWidget()->Close();
+  base::RunLoop().RunUntilIdle();
+}
+
+TEST_F(DesktopMediaPickerViewsTest, DoneCallbackCalledOnOkButtonPressed) {
+  const int kFakeId = 222;
+  EXPECT_CALL(*this,
+              OnPickerDone(content::DesktopMediaID(
+                  content::DesktopMediaID::TYPE_WINDOW, kFakeId)));
+
+  media_list_->AddSource(kFakeId);
+
+  EXPECT_FALSE(
+      GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK));
+
+  GetPickerDialogView()->GetMediaSourceViewForTesting(0)->OnFocus();
+  EXPECT_TRUE(
+      GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK));
+
+  GetPickerDialogView()->Accept();
+  base::RunLoop().RunUntilIdle();
+}
+
+TEST_F(DesktopMediaPickerViewsTest, DoneCallbackCalledOnDoubleClick) {
+  const int kFakeId = 222;
+  EXPECT_CALL(*this,
+              OnPickerDone(content::DesktopMediaID(
+                  content::DesktopMediaID::TYPE_WINDOW, kFakeId)));
+
+  media_list_->AddSource(kFakeId);
+
+  ui::MouseEvent double_click(ui::ET_MOUSE_PRESSED,
+                              gfx::Point(),
+                              gfx::Point(),
+                              ui::EF_LEFT_MOUSE_BUTTON | ui::EF_IS_DOUBLE_CLICK,
+                              ui::EF_LEFT_MOUSE_BUTTON);
+
+  GetPickerDialogView()->GetMediaSourceViewForTesting(0)->OnMousePressed(
+      double_click);
+  base::RunLoop().RunUntilIdle();
+}
+
+TEST_F(DesktopMediaPickerViewsTest, DoneCallbackCalledOnDoubleTap) {
+  const int kFakeId = 222;
+  EXPECT_CALL(*this,
+              OnPickerDone(content::DesktopMediaID(
+                  content::DesktopMediaID::TYPE_WINDOW, kFakeId)));
+
+  media_list_->AddSource(kFakeId);
+
+  ui::GestureEvent double_tap(
+      10,
+      10,
+      0,
+      base::TimeDelta(),
+      ui::GestureEventDetails(ui::ET_GESTURE_TAP, 2, 0));
+
+  GetPickerDialogView()->GetMediaSourceViewForTesting(0)->OnGestureEvent(
+      &double_tap);
+  base::RunLoop().RunUntilIdle();
+}
+
+TEST_F(DesktopMediaPickerViewsTest, CancelButtonAlwaysEnabled) {
+  EXPECT_TRUE(
+      GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_CANCEL));
+}
+
+// Verifies that the MediaSourceView is added or removed when |media_list_| is
+// updated.
+TEST_F(DesktopMediaPickerViewsTest, AddAndRemoveMediaSource) {
+  // No media source at first.
+  EXPECT_EQ(NULL, GetPickerDialogView()->GetMediaSourceViewForTesting(0));
+
+  for (int i = 0; i < 3; ++i) {
+    media_list_->AddSource(i);
+    EXPECT_TRUE(GetPickerDialogView()->GetMediaSourceViewForTesting(i));
+  }
+
+  for (int i = 2; i >= 0; --i) {
+    media_list_->RemoveSource(i);
+    EXPECT_EQ(NULL, GetPickerDialogView()->GetMediaSourceViewForTesting(i));
+  }
+}
+
+// Verifies that focusing the MediaSourceView marks it selected and the
+// original selected MediaSourceView gets unselected.
+TEST_F(DesktopMediaPickerViewsTest, FocusMediaSourceViewToSelect) {
+  media_list_->AddSource(0);
+  media_list_->AddSource(1);
+
+  DesktopMediaSourceView* source_view_0 =
+      GetPickerDialogView()->GetMediaSourceViewForTesting(0);
+
+  DesktopMediaSourceView* source_view_1 =
+      GetPickerDialogView()->GetMediaSourceViewForTesting(1);
+
+  EXPECT_FALSE(source_view_0->is_selected());
+  EXPECT_FALSE(source_view_1->is_selected());
+
+  source_view_0->OnFocus();
+  EXPECT_TRUE(source_view_0->is_selected());
+
+  // Removing the focus does not undo the selection.
+  source_view_0->OnBlur();
+  EXPECT_TRUE(source_view_0->is_selected());
+
+  source_view_1->OnFocus();
+  EXPECT_FALSE(source_view_0->is_selected());
+  EXPECT_TRUE(source_view_1->is_selected());
+}
+
+TEST_F(DesktopMediaPickerViewsTest, OkButtonDisabledWhenNoSelection) {
+  media_list_->AddSource(111);
+
+  EXPECT_FALSE(
+      GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK));
+
+  GetPickerDialogView()->GetMediaSourceViewForTesting(0)->OnFocus();
+  EXPECT_TRUE(
+      GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK));
+
+  media_list_->RemoveSource(0);
+  EXPECT_FALSE(
+      GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK));
+}
+
+}  // namespace views