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- // 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 "ash/shelf/shelf_application_menu_model.h"
- #include <memory>
- #include <utility>
- #include "base/strings/utf_string_conversions.h"
- #include "base/test/metrics/histogram_tester.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace ash {
- namespace {
- const char kNumItemsEnabledHistogramName[] =
- "Ash.Shelf.Menu.NumItemsEnabledUponSelection";
- const char kSelectedMenuItemIndexHistogramName[] =
- "Ash.Shelf.Menu.SelectedMenuItemIndex";
- } // namespace
- // Test API to provide internal access to a ShelfApplicationMenuModel.
- class ShelfApplicationMenuModelTestAPI {
- public:
- // Creates a test api to access the internals of the |menu|.
- explicit ShelfApplicationMenuModelTestAPI(ShelfApplicationMenuModel* menu)
- : menu_(menu) {}
- ShelfApplicationMenuModelTestAPI(const ShelfApplicationMenuModelTestAPI&) =
- delete;
- ShelfApplicationMenuModelTestAPI& operator=(
- const ShelfApplicationMenuModelTestAPI&) = delete;
- ~ShelfApplicationMenuModelTestAPI() = default;
- // Give public access to this metrics recording functions.
- void RecordMenuItemSelectedMetrics(int command_id,
- int num_menu_items_enabled) {
- menu_->RecordMenuItemSelectedMetrics(command_id, num_menu_items_enabled);
- }
- private:
- // The ShelfApplicationMenuModel to provide internal access to. Not owned.
- ShelfApplicationMenuModel* menu_;
- };
- // Verifies the menu contents given an empty item list.
- TEST(ShelfApplicationMenuModelTest, VerifyContentsWithNoMenuItems) {
- std::u16string title = u"title";
- ShelfApplicationMenuModel menu(title, {}, nullptr);
- // Expect the title and a separator.
- ASSERT_EQ(2u, menu.GetItemCount());
- EXPECT_EQ(ui::MenuModel::TYPE_TITLE, menu.GetTypeAt(0));
- EXPECT_EQ(title, menu.GetLabelAt(0));
- EXPECT_FALSE(menu.IsEnabledAt(0));
- EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, menu.GetTypeAt(1));
- }
- // Verifies the menu contents given a non-empty item list.
- TEST(ShelfApplicationMenuModelTest, VerifyContentsWithMenuItems) {
- ShelfApplicationMenuModel::Items items;
- std::u16string title1 = u"title1";
- std::u16string title2 = u"title2";
- std::u16string title3 = u"title3";
- items.push_back({static_cast<int>(items.size()), title1, gfx::ImageSkia()});
- items.push_back({static_cast<int>(items.size()), title2, gfx::ImageSkia()});
- items.push_back({static_cast<int>(items.size()), title3, gfx::ImageSkia()});
- std::u16string title = u"title";
- ShelfApplicationMenuModel menu(title, std::move(items), nullptr);
- ShelfApplicationMenuModelTestAPI menu_test_api(&menu);
- // Expect the title and the enabled items.
- ASSERT_EQ(5u, menu.GetItemCount());
- // The label title should not be enabled.
- EXPECT_EQ(ui::MenuModel::TYPE_TITLE, menu.GetTypeAt(0));
- EXPECT_EQ(title, menu.GetLabelAt(0));
- EXPECT_FALSE(menu.IsEnabledAt(0));
- EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(1));
- EXPECT_EQ(title1, menu.GetLabelAt(1));
- EXPECT_TRUE(menu.IsEnabledAt(1));
- EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(2));
- EXPECT_EQ(title2, menu.GetLabelAt(2));
- EXPECT_TRUE(menu.IsEnabledAt(2));
- EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(3));
- EXPECT_EQ(title3, menu.GetLabelAt(3));
- EXPECT_TRUE(menu.IsEnabledAt(3));
- }
- // Verifies RecordMenuItemSelectedMetrics uses the correct histogram buckets.
- TEST(ShelfApplicationMenuModelTest, VerifyHistogramBuckets) {
- const int kCommandId = 3;
- const int kNumMenuItemsEnabled = 7;
- base::HistogramTester histogram_tester;
- ShelfApplicationMenuModel menu(u"title", {}, nullptr);
- ShelfApplicationMenuModelTestAPI menu_test_api(&menu);
- menu_test_api.RecordMenuItemSelectedMetrics(kCommandId, kNumMenuItemsEnabled);
- histogram_tester.ExpectTotalCount(kNumItemsEnabledHistogramName, 1);
- histogram_tester.ExpectBucketCount(kNumItemsEnabledHistogramName,
- kNumMenuItemsEnabled, 1);
- histogram_tester.ExpectTotalCount(kSelectedMenuItemIndexHistogramName, 1);
- histogram_tester.ExpectBucketCount(kSelectedMenuItemIndexHistogramName,
- kCommandId, 1);
- }
- // Verify histogram data is recorded when ExecuteCommand is called.
- TEST(ShelfApplicationMenuModelTest, VerifyHistogramOnExecute) {
- base::HistogramTester histogram_tester;
- ShelfApplicationMenuModel::Items items(1);
- std::u16string title = u"title";
- ShelfApplicationMenuModel menu(title, std::move(items), nullptr);
- menu.ExecuteCommand(0, 0);
- histogram_tester.ExpectTotalCount(kNumItemsEnabledHistogramName, 1);
- histogram_tester.ExpectTotalCount(kSelectedMenuItemIndexHistogramName, 1);
- }
- } // namespace ash
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