add unit tests for MediaGalleriesDialogGtk

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/ui/gtk/extensions/media_galleries_dialog_gtk.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chrome {
+
+class MediaGalleriesDialogTest : public testing::Test,
+                                 public MediaGalleriesDialogController {
+ public:
+  MediaGalleriesDialogTest() : toggles_(0) {}
+  virtual ~MediaGalleriesDialogTest() {}
+
+  virtual void DialogFinished(bool accepted) OVERRIDE {}
+  virtual void GalleryToggled(const MediaGalleryPrefInfo* pref_info,
+                              bool enabled) OVERRIDE {
+    toggles_++;
+    MediaGalleriesDialogController::GalleryToggled(pref_info, enabled);
+  }
+
+ protected:
+  // Counter that tracks the number of times a checkbox has been toggled.
+  size_t toggles_;
+};
+
+// Tests that checkboxes are initialized according to the contents of
+// |known_galleries|.
+TEST_F(MediaGalleriesDialogTest, InitializeCheckboxes) {
+  MediaGalleryPrefInfo gallery1;
+  gallery1.pref_id = 1;
+  known_galleries_[1] = GalleryPermission(gallery1, true);
+  MediaGalleryPrefInfo gallery2;
+  gallery2.pref_id = 2;
+  known_galleries_[2] = GalleryPermission(gallery2, false);
+
+  scoped_ptr<MediaGalleriesDialogGtk>
+      dialog_(new MediaGalleriesDialogGtk(this));
+  EXPECT_EQ(2U, dialog_->checkbox_map_.size());
+
+  GtkWidget* checkbox1 = dialog_->checkbox_map_[&known_galleries_[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];
+  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) {
+  MediaGalleryPrefInfo gallery1;
+  gallery1.pref_id = 1;
+  known_galleries_[1] = GalleryPermission(gallery1, true);
+
+  scoped_ptr<MediaGalleriesDialogGtk>
+      dialog_(new MediaGalleriesDialogGtk(this));
+  EXPECT_EQ(1U, dialog_->checkbox_map_.size());
+  GtkWidget* checkbox =
+      dialog_->checkbox_map_[&known_galleries_[1].pref_info];
+  ASSERT_TRUE(GTK_IS_TOGGLE_BUTTON(checkbox));
+  EXPECT_TRUE(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbox)));
+
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbox), FALSE);
+  EXPECT_FALSE(known_galleries_[1].allowed);
+  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));
+
+  EXPECT_TRUE(dialog_->checkbox_map_.empty());
+
+  MediaGalleryPrefInfo gallery1;
+  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, false);
+  EXPECT_EQ(2U, dialog_->checkbox_map_.size());
+}
+
+}  // namespace chrome