1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.setupwizardlib.items;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.anyObject;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.RectShape;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.widget.FrameLayout;
import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver;
import com.android.setupwizardlib.items.RecyclerItemAdapter.PatchedLayerDrawable;
import com.android.setupwizardlib.test.R;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class RecyclerItemAdapterTest {
private Item[] mItems = new Item[5];
private ItemGroup mItemGroup = new ItemGroup();
@Before
public void setUp() throws Exception {
for (int i = 0; i < 5; i++) {
Item item = new Item();
item.setTitle("TestTitle" + i);
item.setId(i);
// Layout resource: 0 -> 1, 1 -> 11, 2 -> 21, 3 -> 1, 4 -> 11.
// (Resource IDs cannot be 0)
item.setLayoutResource((i % 3) * 10 + 1);
mItems[i] = item;
mItemGroup.addChild(item);
}
}
@Test
public void testAdapter() {
RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup);
assertEquals("Adapter should have 5 items", 5, adapter.getItemCount());
assertEquals("Adapter should return the first item", mItems[0], adapter.getItem(0));
assertEquals("ID should be same as position", 2, adapter.getItemId(2));
// ViewType is same as layout resource for RecyclerItemAdapter
assertEquals("Second item should have view type 21", 21, adapter.getItemViewType(2));
}
@Test
public void testGetRootItemHierarchy() {
RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup);
ItemHierarchy root = adapter.getRootItemHierarchy();
assertSame("Root item hierarchy should be mItemGroup", mItemGroup, root);
}
@Test
public void testPatchedLayerDrawableNoPadding() {
ShapeDrawable child = new ShapeDrawable(new RectShape());
child.setPadding(0, 0, 0, 0);
PatchedLayerDrawable drawable = new PatchedLayerDrawable(new Drawable[] { child });
Rect padding = new Rect();
assertFalse("Patched layer drawable should not have padding", drawable.getPadding(padding));
assertEquals(new Rect(0, 0, 0, 0), padding);
}
@Test
public void testPatchedLayerDrawableWithPadding() {
ShapeDrawable child = new ShapeDrawable(new RectShape());
child.setPadding(10, 10, 10, 10);
PatchedLayerDrawable drawable = new PatchedLayerDrawable(new Drawable[] { child });
Rect padding = new Rect();
assertTrue("Patched layer drawable should have padding", drawable.getPadding(padding));
assertEquals(new Rect(10, 10, 10, 10), padding);
}
@Test
public void testAdapterNotifications() {
RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup);
final AdapterDataObserver observer = mock(AdapterDataObserver.class);
adapter.registerAdapterDataObserver(observer);
mItems[0].setTitle("Child 1");
verify(observer).onItemRangeChanged(eq(0), eq(1), anyObject());
mItemGroup.removeChild(mItems[1]);
verify(observer).onItemRangeRemoved(eq(1), eq(1));
mItemGroup.addChild(mItems[1]);
verify(observer).onItemRangeInserted(eq(4), eq(1));
}
@Test
public void testCreateViewHolder() {
RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup);
FrameLayout parent = new FrameLayout(InstrumentationRegistry.getContext());
final ItemViewHolder viewHolder =
adapter.onCreateViewHolder(parent, R.layout.test_list_item);
assertNotNull("Background should be set", viewHolder.itemView.getBackground());
assertEquals("foobar", viewHolder.itemView.getTag());
}
@Test
public void testCreateViewHolderNoBackground() {
RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup);
FrameLayout parent = new FrameLayout(InstrumentationRegistry.getContext());
final ItemViewHolder viewHolder =
adapter.onCreateViewHolder(parent, R.layout.test_list_item_no_background);
assertNull("Background should be null", viewHolder.itemView.getBackground());
}
@Test
public void testCreateViewHolderWithExistingBackground() {
RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup);
FrameLayout parent = new FrameLayout(InstrumentationRegistry.getContext());
final ItemViewHolder viewHolder =
adapter.onCreateViewHolder(parent, R.layout.test_existing_background);
Drawable background = viewHolder.itemView.getBackground();
assertTrue(background instanceof PatchedLayerDrawable);
PatchedLayerDrawable layerDrawable = (PatchedLayerDrawable) background;
assertTrue(layerDrawable.getDrawable(0) instanceof GradientDrawable);
}
}
|
