RequireScrollHelperTest.java revision 7bc6f176937ed369b180fa89f6c311d2801f206c 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.setupwizardlib.test;
18
19import android.content.Context;
20import android.test.AndroidTestCase;
21import android.test.suitebuilder.annotation.SmallTest;
22import android.view.View;
23
24import com.android.setupwizardlib.util.RequireScrollHelper;
25import com.android.setupwizardlib.view.BottomScrollView;
26import com.android.setupwizardlib.view.NavigationBar;
27
28public class RequireScrollHelperTest extends AndroidTestCase {
29
30    private TestBottomScrollView mScrollView;
31    private NavigationBar mNavigationBar;
32
33    @Override
34    protected void setUp() throws Exception {
35        super.setUp();
36        mScrollView = new TestBottomScrollView(getContext());
37        mNavigationBar = new TestNavigationBar(getContext());
38    }
39
40    @SmallTest
41    public void testRequireScroll() {
42        RequireScrollHelper.requireScroll(mNavigationBar, mScrollView);
43        assertEquals("More button should be gone initially", View.GONE,
44                mNavigationBar.getMoreButton().getVisibility());
45        assertEquals("Next button should be shown", View.VISIBLE,
46                mNavigationBar.getNextButton().getVisibility());
47
48        mScrollView.listener.onRequiresScroll();
49        assertEquals("More button should be shown when scroll is required", View.VISIBLE,
50                mNavigationBar.getMoreButton().getVisibility());
51        assertEquals("Next button should not be shown when scroll is required", View.GONE,
52                mNavigationBar.getNextButton().getVisibility());
53    }
54
55    @SmallTest
56    public void testScrolledToBottom() {
57        RequireScrollHelper.requireScroll(mNavigationBar, mScrollView);
58        mScrollView.listener.onRequiresScroll();
59        assertEquals("More button should be shown when scroll is required", View.VISIBLE,
60                mNavigationBar.getMoreButton().getVisibility());
61        assertEquals("Next button should not be shown when scroll is required", View.GONE,
62                mNavigationBar.getNextButton().getVisibility());
63
64        mScrollView.listener.onScrolledToBottom();
65        assertEquals("More button should be hidden when scrolled to bottom", View.GONE,
66                mNavigationBar.getMoreButton().getVisibility());
67        assertEquals("Next button should be shown when scrolled to bottom", View.VISIBLE,
68                mNavigationBar.getNextButton().getVisibility());
69    }
70
71    @SmallTest
72    public void testClickScrollButton() {
73        RequireScrollHelper.requireScroll(mNavigationBar, mScrollView);
74        assertEquals("ScrollView page should be initially 0", 0, mScrollView.page);
75        mScrollView.listener.onRequiresScroll();
76        mNavigationBar.getMoreButton().performClick();
77        assertEquals("ScrollView page should be scrolled by 1", 1, mScrollView.page);
78    }
79
80    private static class TestBottomScrollView extends BottomScrollView {
81
82        public BottomScrollListener listener;
83        public int page = 0;
84
85        public TestBottomScrollView(Context context) {
86            super(context);
87        }
88
89        @Override
90        public void setBottomScrollListener(BottomScrollListener listener) {
91            this.listener = listener;
92        }
93
94        @Override
95        public boolean pageScroll(int direction) {
96            if (direction == FOCUS_DOWN) {
97                page++;
98            } else if (direction == FOCUS_UP) {
99                page--;
100            }
101            return super.pageScroll(direction);
102        }
103    }
104
105    private static class TestNavigationBar extends NavigationBar {
106
107        public TestNavigationBar(Context context) {
108            super(context);
109        }
110
111        @Override
112        public boolean post(Runnable action) {
113            action.run();
114            return true;
115        }
116    }
117}
118