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
|
/*
* 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.volley.toolbox;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.anyString;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.graphics.Bitmap;
import android.widget.ImageView;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.robolectric.RobolectricTestRunner;
@RunWith(RobolectricTestRunner.class)
public class ImageLoaderTest {
private RequestQueue mRequestQueue;
private ImageLoader.ImageCache mImageCache;
private ImageLoader mImageLoader;
@Before
public void setUp() {
mRequestQueue = mock(RequestQueue.class);
mImageCache = mock(ImageLoader.ImageCache.class);
mImageLoader = new ImageLoader(mRequestQueue, mImageCache);
}
@Test
public void isCachedChecksCache() throws Exception {
when(mImageCache.getBitmap(anyString())).thenReturn(null);
Assert.assertFalse(mImageLoader.isCached("http://foo", 0, 0));
}
@Test
public void getWithCacheHit() throws Exception {
Bitmap bitmap = Bitmap.createBitmap(1, 1, null);
ImageLoader.ImageListener listener = mock(ImageLoader.ImageListener.class);
when(mImageCache.getBitmap(anyString())).thenReturn(bitmap);
ImageLoader.ImageContainer ic = mImageLoader.get("http://foo", listener);
Assert.assertSame(bitmap, ic.getBitmap());
verify(listener).onResponse(ic, true);
}
@Test
public void getWithCacheMiss() throws Exception {
when(mImageCache.getBitmap(anyString())).thenReturn(null);
ImageLoader.ImageListener listener = mock(ImageLoader.ImageListener.class);
// Ask for the image to be loaded.
mImageLoader.get("http://foo", listener);
// Second pass to test deduping logic.
mImageLoader.get("http://foo", listener);
// Response callback should be called both times.
verify(listener, times(2)).onResponse(any(ImageLoader.ImageContainer.class), eq(true));
// But request should be enqueued only once.
verify(mRequestQueue, times(1)).add(Mockito.<Request<?>>any());
}
@Test
public void publicMethods() throws Exception {
// Catch API breaking changes.
ImageLoader.getImageListener(null, -1, -1);
mImageLoader.setBatchedResponseDelay(1000);
assertNotNull(
ImageLoader.class.getConstructor(RequestQueue.class, ImageLoader.ImageCache.class));
assertNotNull(
ImageLoader.class.getMethod(
"getImageListener", ImageView.class, int.class, int.class));
assertNotNull(ImageLoader.class.getMethod("isCached", String.class, int.class, int.class));
assertNotNull(
ImageLoader.class.getMethod(
"isCached", String.class, int.class, int.class, ImageView.ScaleType.class));
assertNotNull(
ImageLoader.class.getMethod("get", String.class, ImageLoader.ImageListener.class));
assertNotNull(
ImageLoader.class.getMethod(
"get",
String.class,
ImageLoader.ImageListener.class,
int.class,
int.class));
assertNotNull(
ImageLoader.class.getMethod(
"get",
String.class,
ImageLoader.ImageListener.class,
int.class,
int.class,
ImageView.ScaleType.class));
assertNotNull(ImageLoader.class.getMethod("setBatchedResponseDelay", int.class));
assertNotNull(
ImageLoader.ImageListener.class.getMethod(
"onResponse", ImageLoader.ImageContainer.class, boolean.class));
}
}
|