app_list_view_controller_unittest.mm revision 46d4c2bc3267f3f028f39e7e311b0f89aba2e4fd 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/mac/scoped_nsobject.h"
6#import "testing/gtest_mac.h"
7#import "ui/app_list/cocoa/app_list_view_controller.h"
8#import "ui/app_list/cocoa/apps_grid_controller.h"
9#import "ui/app_list/cocoa/test/apps_grid_controller_test_helper.h"
10#include "ui/app_list/test/app_list_test_model.h"
11#include "ui/app_list/test/app_list_test_view_delegate.h"
12
13namespace app_list {
14namespace test {
15
16class AppListViewControllerTest : public AppsGridControllerTestHelper {
17 public:
18  AppListViewControllerTest() {}
19
20  virtual void SetUp() OVERRIDE {
21    app_list_view_controller_.reset([[AppListViewController alloc] init]);
22    scoped_ptr<AppListTestViewDelegate> delegate(new AppListTestViewDelegate);
23    [app_list_view_controller_
24        setDelegate:delegate.PassAs<app_list::AppListViewDelegate>()];
25    SetUpWithGridController([app_list_view_controller_ appsGridController]);
26    [[test_window() contentView] addSubview:[app_list_view_controller_ view]];
27  }
28
29  virtual void TearDown() OVERRIDE {
30    [app_list_view_controller_
31        setDelegate:scoped_ptr<app_list::AppListViewDelegate>()];
32    app_list_view_controller_.reset();
33    AppsGridControllerTestHelper::TearDown();
34  }
35
36  void ReplaceTestModel(int item_count) {
37    [app_list_view_controller_
38        setDelegate:scoped_ptr<app_list::AppListViewDelegate>()];
39    scoped_ptr<AppListTestViewDelegate> delegate(new AppListTestViewDelegate);
40    delegate->ReplaceTestModel(item_count);
41    [app_list_view_controller_
42        setDelegate:delegate.PassAs<app_list::AppListViewDelegate>()];
43  }
44
45  AppListTestViewDelegate* delegate() {
46    return static_cast<AppListTestViewDelegate*>(
47        [app_list_view_controller_ delegate]);
48  }
49
50  AppListTestModel* model() {
51    return delegate()->GetTestModel();
52  }
53
54 protected:
55  base::scoped_nsobject<AppListViewController> app_list_view_controller_;
56
57 private:
58  DISALLOW_COPY_AND_ASSIGN(AppListViewControllerTest);
59};
60
61TEST_VIEW(AppListViewControllerTest, [app_list_view_controller_ view]);
62
63// Test that adding and removing pages updates the pager.
64TEST_F(AppListViewControllerTest, PagerSegmentCounts) {
65  NSSegmentedControl* pager = [app_list_view_controller_ pagerControl];
66  EXPECT_EQ(1, [pager segmentCount]);
67
68  ReplaceTestModel(kItemsPerPage * 2);
69  EXPECT_EQ(2, [pager segmentCount]);
70  model()->PopulateApps(1);
71  EXPECT_EQ(3, [pager segmentCount]);
72
73  ReplaceTestModel(1);
74  EXPECT_EQ(1, [pager segmentCount]);
75}
76
77// Test that clicking the pager changes pages.
78TEST_F(AppListViewControllerTest, PagerChangingPage) {
79  NSSegmentedControl* pager = [app_list_view_controller_ pagerControl];
80  ReplaceTestModel(kItemsPerPage * 3);
81  EXPECT_EQ(3, [pager segmentCount]);
82
83  EXPECT_EQ(0, [pager selectedSegment]);
84  EXPECT_EQ(0u, [apps_grid_controller_ visiblePage]);
85  EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:0]);
86  EXPECT_EQ(0.0, [apps_grid_controller_ visiblePortionOfPage:1]);
87
88  // Emulate a click on the second segment to navigate to the second page.
89  [pager setSelectedSegment:1];
90  [[pager target] performSelector:[pager action]
91                       withObject:pager];
92
93  EXPECT_EQ(1u, [apps_grid_controller_ visiblePage]);
94  EXPECT_EQ(1, [pager selectedSegment]);
95  EXPECT_EQ(0.0, [apps_grid_controller_ visiblePortionOfPage:0]);
96  EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:1]);
97
98  // Replace with a single page model, and ensure we go back to the first page.
99  ReplaceTestModel(1);
100  EXPECT_EQ(0u, [apps_grid_controller_ visiblePage]);
101  EXPECT_EQ(0, [pager selectedSegment]);
102  EXPECT_EQ(1, [pager segmentCount]);
103  EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:0]);
104}
105
106}  // namespace test
107}  // namespace app_list
108