Cocoa: Media gallery dialog unit test

chrome/browser/ui/gtk/extensions/media_galleries_dialog_gtk_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/media_gallery/media_galleries_dialog_controller.h"
+#include "chrome/browser/media_gallery/media_galleries_dialog_controller_mock.h"
 #include "chrome/browser/ui/gtk/extensions/media_galleries_dialog_gtk.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using ::testing::_;
+using ::testing::NiceMock;
+using ::testing::ReturnRef;
+
 namespace chrome {
 
-class MediaGalleriesDialogTest : public testing::Test,
-                                 public MediaGalleriesDialogController {
- public:
-  MediaGalleriesDialogTest() : toggles_(0) {}
-  virtual ~MediaGalleriesDialogTest() {}
-
-  virtual void DialogFinished(bool accepted) OVERRIDE {}
-  virtual void DidToggleGallery(const MediaGalleryPrefInfo* pref_info,
-                                bool enabled) OVERRIDE {
-    toggles_++;
-    MediaGalleriesDialogController::DidToggleGallery(pref_info, enabled);
-  }
-
- protected:
-  // Counter that tracks the number of times a checkbox has been toggled.
-  size_t toggles_;
+class MediaGalleriesDialogTest : public testing::Test {
 };
 
 // Tests that checkboxes are initialized according to the contents of
-// |known_galleries|.
+// permissions().
 TEST_F(MediaGalleriesDialogTest, InitializeCheckboxes) {
+  NiceMock<MediaGalleriesDialogControllerMock> controller;
+
+  MediaGalleriesDialogController::KnownGalleryPermissions permissions;
   MediaGalleryPrefInfo gallery1;
   gallery1.pref_id = 1;
-  known_galleries_[1] = GalleryPermission(gallery1, true);
+  permissions[1] =
+      MediaGalleriesDialogController::GalleryPermission(gallery1, true);
   MediaGalleryPrefInfo gallery2;
   gallery2.pref_id = 2;
-  known_galleries_[2] = GalleryPermission(gallery2, false);
+  permissions[2] =
+      MediaGalleriesDialogController::GalleryPermission(gallery2, false);
+  EXPECT_CALL(controller, permissions()).
+      WillRepeatedly(ReturnRef(permissions));
 
-  scoped_ptr<MediaGalleriesDialogGtk>
-      dialog_(new MediaGalleriesDialogGtk(this));
-  EXPECT_EQ(2U, dialog_->checkbox_map_.size());
+  // Initializing checkboxes should not cause them to be toggled.
+  EXPECT_CALL(controller, DidToggleGallery(_, _)).
+      Times(0);
 
-  GtkWidget* checkbox1 = dialog_->checkbox_map_[&known_galleries_[1].pref_info];
+  MediaGalleriesDialogGtk dialog(&controller);
+  EXPECT_EQ(2U, dialog.checkbox_map_.size());
+
+  GtkWidget* checkbox1 = dialog.checkbox_map_[&permissions[1].pref_info];
   ASSERT_TRUE(GTK_IS_TOGGLE_BUTTON(checkbox1));
   EXPECT_TRUE(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbox1)));
 
-  GtkWidget* checkbox2 = dialog_->checkbox_map_[&known_galleries_[2].pref_info];
+  GtkWidget* checkbox2 = dialog.checkbox_map_[&permissions[2].pref_info];
   ASSERT_TRUE(GTK_IS_TOGGLE_BUTTON(checkbox2));
   EXPECT_FALSE(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbox2)));
-
-  // Initializing checkboxes should not cause them to be toggled.
-  EXPECT_EQ(0U, toggles_);
 }
 
 // Tests that toggling checkboxes updates the controller.
 TEST_F(MediaGalleriesDialogTest, ToggleCheckboxes) {
+  NiceMock<MediaGalleriesDialogControllerMock> controller;
+
+  MediaGalleriesDialogController::KnownGalleryPermissions permissions;
   MediaGalleryPrefInfo gallery1;
   gallery1.pref_id = 1;
-  known_galleries_[1] = GalleryPermission(gallery1, true);
+  permissions[1] =
+      MediaGalleriesDialogController::GalleryPermission(gallery1, true);
+  EXPECT_CALL(controller, permissions()).
+      WillRepeatedly(ReturnRef(permissions));
 
-  scoped_ptr<MediaGalleriesDialogGtk>
-      dialog_(new MediaGalleriesDialogGtk(this));
-  EXPECT_EQ(1U, dialog_->checkbox_map_.size());
+  MediaGalleriesDialogGtk dialog(&controller);
+  EXPECT_EQ(1U, dialog.checkbox_map_.size());
   GtkWidget* checkbox =
-      dialog_->checkbox_map_[&known_galleries_[1].pref_info];
+      dialog.checkbox_map_[&permissions[1].pref_info];
   ASSERT_TRUE(GTK_IS_TOGGLE_BUTTON(checkbox));
   EXPECT_TRUE(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbox)));
 
+  EXPECT_CALL(controller, DidToggleGallery(_, false));
   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbox), FALSE);
-  EXPECT_FALSE(known_galleries_[1].allowed);
+
+  EXPECT_CALL(controller, DidToggleGallery(_, true));
   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbox), TRUE);
-  EXPECT_TRUE(known_galleries_[1].allowed);
-
-  EXPECT_EQ(2U, toggles_);
 }
 
 // Tests that UpdateGallery will add a new checkbox, but only if it refers to
 // a gallery that the dialog hasn't seen before.
 TEST_F(MediaGalleriesDialogTest, UpdateAdds) {
-  scoped_ptr<MediaGalleriesDialogGtk>
-      dialog_(new MediaGalleriesDialogGtk(this));
+  NiceMock<MediaGalleriesDialogControllerMock> controller;
 
-  EXPECT_TRUE(dialog_->checkbox_map_.empty());
+  MediaGalleriesDialogController::KnownGalleryPermissions permissions;
+  EXPECT_CALL(controller, permissions()).
+      WillRepeatedly(ReturnRef(permissions));
+
+  MediaGalleriesDialogGtk dialog(&controller);
+
+  EXPECT_TRUE(dialog.checkbox_map_.empty());
 
   MediaGalleryPrefInfo gallery1;
-  dialog_->UpdateGallery(&gallery1, true);
-  EXPECT_EQ(1U, dialog_->checkbox_map_.size());
+  dialog.UpdateGallery(&gallery1, true);
+  EXPECT_EQ(1U, dialog.checkbox_map_.size());
 
   MediaGalleryPrefInfo gallery2;
-  dialog_->UpdateGallery(&gallery2, true);
-  EXPECT_EQ(2U, dialog_->checkbox_map_.size());
+  dialog.UpdateGallery(&gallery2, true);
+  EXPECT_EQ(2U, dialog.checkbox_map_.size());
 
-  dialog_->UpdateGallery(&gallery2, false);
-  EXPECT_EQ(2U, dialog_->checkbox_map_.size());
+  dialog.UpdateGallery(&gallery2, false);
+  EXPECT_EQ(2U, dialog.checkbox_map_.size());
 }
 
 }  // namespace chrome