1/*
2 * Copyright (C) 2016 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.documentsui.sorting;
18
19import static org.junit.Assert.assertTrue;
20
21import android.support.test.filters.SmallTest;
22import android.support.test.runner.AndroidJUnit4;
23import android.view.View;
24
25import com.android.documentsui.base.State;
26
27import org.junit.Before;
28import org.junit.Test;
29import org.junit.runner.RunWith;
30
31@RunWith(AndroidJUnit4.class)
32@SmallTest
33public class SortControllerTest {
34
35    private TestWidget mTableHeader;
36    private TestWidget mDropHeader;
37    private SortController mController;
38
39    @Test
40    public void testGridMode_ShowsDrop() {
41        createWidget(true);
42        mController.onViewModeChanged(State.MODE_GRID);
43        mDropHeader.assertVisible();
44        mTableHeader.assertGone();
45    }
46
47    @Test
48    public void testListMode_ShowsDrop_NoHeader() {
49        createWidget(false);
50        mController.onViewModeChanged(State.MODE_LIST);
51        mDropHeader.assertVisible();
52    }
53
54    @Test
55    public void testListMode_ShowsTable() {
56        createWidget(true);
57        mController.onViewModeChanged(State.MODE_LIST);
58        mDropHeader.assertGone();
59        mTableHeader.assertVisible();
60    }
61
62    @Test
63    public void testDestroysWidgets() {
64        createWidget(true);
65        mController.destroy();
66
67        mDropHeader.assertDestroyed();
68        mTableHeader.assertDestroyed();
69    }
70
71    private void createWidget(boolean hasTableHeader) {
72        mDropHeader = new TestWidget();
73        if (hasTableHeader) {
74            mTableHeader = new TestWidget();
75        }
76        mController = new SortController(mDropHeader, mTableHeader);
77    }
78
79    static class TestWidget implements SortController.WidgetController {
80        private int mVisibility;
81        private boolean mDestroyed;
82
83        @Override
84        public void setVisibility(int visibility) {
85            mVisibility = visibility;
86        }
87
88        @Override
89        public void destroy() {
90            mDestroyed = true;
91        }
92
93        void assertVisible() {
94            assertTrue(
95                    "Expected mode VISIBLE, but was " + mVisibility,
96                    mVisibility == View.VISIBLE);
97        }
98
99        void assertGone() {
100            assertTrue(
101                    "Expected mode GONE, but was " + mVisibility,
102                    mVisibility == View.GONE);
103        }
104
105        void assertDestroyed() {
106            assertTrue("Widget is not destroyed.", mDestroyed);
107        }
108    }
109}
110