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 
17 package com.android.documentsui;
18 
19 import android.test.AndroidTestCase;
20 
21 import androidx.recyclerview.selection.SelectionTracker;
22 import androidx.recyclerview.widget.RecyclerView;
23 import androidx.test.filters.SmallTest;
24 
25 import com.android.documentsui.base.UserId;
26 import com.android.documentsui.dirlist.TestData;
27 import com.android.documentsui.testing.TestFeatures;
28 import com.android.documentsui.testing.TestGridLayoutManager;
29 import com.android.documentsui.testing.TestModel;
30 import com.android.documentsui.testing.TestRecyclerView;
31 import com.android.documentsui.testing.Views;
32 
33 import java.util.ArrayList;
34 import java.util.List;
35 
36 @SmallTest
37 public class FocusManagerTest extends AndroidTestCase {
38 
39     private static final String TEST_AUTHORITY = "test_authority";
40 
41     private static final List<String> ITEMS = TestData.create(10);
42 
43     private FocusManager mManager;
44     private TestRecyclerView mView;
45     private TestGridLayoutManager mTestGridLayoutManager;
46     private SelectionTracker<String> mSelectionMgr;
47     private TestFeatures mFeatures;
48 
49     @Override
setUp()50     public void setUp() throws Exception {
51         mView = TestRecyclerView.create(ITEMS);
52         mTestGridLayoutManager = TestGridLayoutManager.create();
53         mView.setLayoutManager(mTestGridLayoutManager);
54 
55         mSelectionMgr = SelectionHelpers.createTestInstance(ITEMS);
56         mFeatures = new TestFeatures();
57         mManager = new FocusManager(mFeatures, mSelectionMgr, null, null, 0).reset(mView,
58                 new TestModel(UserId.DEFAULT_USER, TEST_AUTHORITY, mFeatures));
59     }
60 
testFocus()61     public void testFocus() {
62         mManager.focusDocument(Integer.toString(3));
63         mView.assertItemViewFocused(3);
64      }
65 
testPendingFocus()66     public void testPendingFocus() {
67        mManager.focusDocument(Integer.toString(10));
68        List<String> mutableItems = TestData.create(11);
69        mView.setItems(mutableItems);
70        mManager.onLayoutCompleted();
71        // Should only be called once
72        mView.assertItemViewFocused(10);
73     }
74 
testFocusDirectoryList_noItemsToFocus()75     public void testFocusDirectoryList_noItemsToFocus() {
76         mView = TestRecyclerView.create(new ArrayList<>());
77         mManager = new FocusManager(
78                 mFeatures, SelectionHelpers.createTestInstance(), null, null, 0)
79                 .reset(mView, new TestModel(UserId.DEFAULT_USER, TEST_AUTHORITY, mFeatures));
80         assertFalse(mManager.focusDirectoryList());
81     }
82 
testFocusDirectoryList_noVisibleItems()83     public void testFocusDirectoryList_noVisibleItems() {
84         mTestGridLayoutManager.setFirstVisibleItemPosition(RecyclerView.NO_POSITION);
85         assertFalse(mManager.focusDirectoryList());
86     }
87 
testFocusDirectoryList_hasSelection()88     public void testFocusDirectoryList_hasSelection() {
89         mSelectionMgr.select("0");
90         assertFalse(mManager.focusDirectoryList());
91     }
92 
testFocusDirectoryList_invalidContentScope()93     public void testFocusDirectoryList_invalidContentScope() {
94         mManager = new FocusManager(
95                 mFeatures, SelectionHelpers.createTestInstance(), null, null, 0);
96         // pass if no exception is thrown.
97         mManager.focusDirectoryList();
98     }
99 
testOnFocusChange_invalidContentScope()100     public void testOnFocusChange_invalidContentScope() {
101         mManager = new FocusManager(
102                 mFeatures, SelectionHelpers.createTestInstance(), null, null, 0);
103         // pass if no exception is thrown.
104         mManager.onFocusChange(Views.createTestView(), true);
105     }
106 
testClearFocus_invalidContentScope()107     public void testClearFocus_invalidContentScope() {
108         mManager = new FocusManager(
109                 mFeatures, SelectionHelpers.createTestInstance(), null, null, 0);
110         // pass if no exception is thrown.
111         mManager.clearFocus();
112     }
113 
testFocusDocument_invalidContentScope()114     public void testFocusDocument_invalidContentScope() {
115         mManager = new FocusManager(
116                 mFeatures, SelectionHelpers.createTestInstance(), null, null, 0);
117         // pass if no exception is thrown.
118         mManager.focusDocument(Integer.toString(0));
119     }
120 }
121