chromeos: Move files in //ash/common to //ash, part 2

ash/common/shelf/shelf_application_menu_model_unittest.cc

-// 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/common/shelf/shelf_application_menu_model.h"
-
-#include <utility>
-
-#include "ash/common/test/test_shelf_item_delegate.h"
-#include "ash/public/cpp/shelf_application_menu_item.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/test/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() {}
-
-  // 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_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShelfApplicationMenuModelTestAPI);
-};
-
-// Verifies the menu contents given an empty item list.
-TEST(ShelfApplicationMenuModelTest, VerifyContentsWithNoMenuItems) {
-  base::string16 title = base::ASCIIToUTF16("title");
-  ShelfApplicationMenuModel menu(title, ShelfAppMenuItemList(), nullptr);
-  // Expect the title with separators.
-  ASSERT_EQ(static_cast<int>(3), menu.GetItemCount());
-  EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, menu.GetTypeAt(0));
-  EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(1));
-  EXPECT_EQ(title, menu.GetLabelAt(1));
-  EXPECT_FALSE(menu.IsEnabledAt(1));
-  EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, menu.GetTypeAt(2));
-}
-
-// Verifies the menu contents given a non-empty item list.
-TEST(ShelfApplicationMenuModelTest, VerifyContentsWithMenuItems) {
-  ShelfAppMenuItemList items;
-  base::string16 title1 = base::ASCIIToUTF16("title1");
-  base::string16 title2 = base::ASCIIToUTF16("title2");
-  base::string16 title3 = base::ASCIIToUTF16("title3");
-  items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(0, title1));
-  items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(1, title2));
-  items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(2, title3));
-
-  base::string16 title = base::ASCIIToUTF16("title");
-  ShelfApplicationMenuModel menu(title, std::move(items), nullptr);
-  ShelfApplicationMenuModelTestAPI menu_test_api(&menu);
-
-  // Expect the title with separators, the enabled items, and another separator.
-  ASSERT_EQ(static_cast<int>(7), menu.GetItemCount());
-  EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, menu.GetTypeAt(0));
-  EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(1));
-  EXPECT_EQ(title, menu.GetLabelAt(1));
-  EXPECT_FALSE(menu.IsEnabledAt(1));
-  EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, menu.GetTypeAt(2));
-  EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(3));
-  EXPECT_EQ(title1, menu.GetLabelAt(3));
-  EXPECT_TRUE(menu.IsEnabledAt(3));
-  EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(4));
-  EXPECT_EQ(title2, menu.GetLabelAt(4));
-  EXPECT_TRUE(menu.IsEnabledAt(4));
-  EXPECT_EQ(ui::MenuModel::TYPE_COMMAND, menu.GetTypeAt(5));
-  EXPECT_EQ(title3, menu.GetLabelAt(5));
-  EXPECT_TRUE(menu.IsEnabledAt(5));
-  EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, menu.GetTypeAt(6));
-}
-
-// Verifies RecordMenuItemSelectedMetrics uses the correct histogram buckets.
-TEST(ShelfApplicationMenuModelTest, VerifyHistogramBuckets) {
-  const int kCommandId = 3;
-  const int kNumMenuItemsEnabled = 7;
-
-  base::HistogramTester histogram_tester;
-
-  ShelfAppMenuItemList items;
-  ShelfApplicationMenuModel menu(base::ASCIIToUTF16("title"), std::move(items),
-                                 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;
-
-  ShelfAppMenuItemList items;
-  base::string16 title = base::ASCIIToUTF16("title");
-  items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(0, title));
-  test::TestShelfItemDelegate test_delegate(nullptr);
-  ShelfApplicationMenuModel menu(title, std::move(items), &test_delegate);
-  menu.ExecuteCommand(0, 0);
-
-  histogram_tester.ExpectTotalCount(kNumItemsEnabledHistogramName, 1);
-  histogram_tester.ExpectTotalCount(kSelectedMenuItemIndexHistogramName, 1);
-}
-
-}  // namespace ash