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 17 package com.android.volley.toolbox; 18 19 import android.graphics.Bitmap; 20 import android.widget.ImageView; 21 import com.android.volley.Request; 22 import com.android.volley.RequestQueue; 23 import org.junit.Assert; 24 import org.junit.Before; 25 import org.junit.Test; 26 import org.junit.runner.RunWith; 27 import org.robolectric.RobolectricTestRunner; 28 29 import static org.junit.Assert.assertNotNull; 30 import static org.mockito.Mockito.*; 31 32 @RunWith(RobolectricTestRunner.class) 33 public class ImageLoaderTest { 34 private RequestQueue mRequestQueue; 35 private ImageLoader.ImageCache mImageCache; 36 private ImageLoader mImageLoader; 37 38 @Before setUp()39 public void setUp() { 40 mRequestQueue = mock(RequestQueue.class); 41 mImageCache = mock(ImageLoader.ImageCache.class); 42 mImageLoader = new ImageLoader(mRequestQueue, mImageCache); 43 } 44 45 @Test isCachedChecksCache()46 public void isCachedChecksCache() throws Exception { 47 when(mImageCache.getBitmap(anyString())).thenReturn(null); 48 Assert.assertFalse(mImageLoader.isCached("http://foo", 0, 0)); 49 } 50 51 @Test getWithCacheHit()52 public void getWithCacheHit() throws Exception { 53 Bitmap bitmap = Bitmap.createBitmap(1, 1, null); 54 ImageLoader.ImageListener listener = mock(ImageLoader.ImageListener.class); 55 when(mImageCache.getBitmap(anyString())).thenReturn(bitmap); 56 ImageLoader.ImageContainer ic = mImageLoader.get("http://foo", listener); 57 Assert.assertSame(bitmap, ic.getBitmap()); 58 verify(listener).onResponse(ic, true); 59 } 60 61 @Test getWithCacheMiss()62 public void getWithCacheMiss() throws Exception { 63 when(mImageCache.getBitmap(anyString())).thenReturn(null); 64 ImageLoader.ImageListener listener = mock(ImageLoader.ImageListener.class); 65 // Ask for the image to be loaded. 66 mImageLoader.get("http://foo", listener); 67 // Second pass to test deduping logic. 68 mImageLoader.get("http://foo", listener); 69 // Response callback should be called both times. 70 verify(listener, times(2)).onResponse(any(ImageLoader.ImageContainer.class), eq(true)); 71 // But request should be enqueued only once. 72 verify(mRequestQueue, times(1)).add(any(Request.class)); 73 } 74 75 @Test publicMethods()76 public void publicMethods() throws Exception { 77 // Catch API breaking changes. 78 ImageLoader.getImageListener(null, -1, -1); 79 mImageLoader.setBatchedResponseDelay(1000); 80 81 assertNotNull(ImageLoader.class.getConstructor(RequestQueue.class, 82 ImageLoader.ImageCache.class)); 83 84 assertNotNull(ImageLoader.class.getMethod("getImageListener", ImageView.class, 85 int.class, int.class)); 86 assertNotNull(ImageLoader.class.getMethod("isCached", String.class, int.class, int.class)); 87 assertNotNull(ImageLoader.class.getMethod("isCached", String.class, int.class, int.class, 88 ImageView.ScaleType.class)); 89 assertNotNull(ImageLoader.class.getMethod("get", String.class, 90 ImageLoader.ImageListener.class)); 91 assertNotNull(ImageLoader.class.getMethod("get", String.class, 92 ImageLoader.ImageListener.class, int.class, int.class)); 93 assertNotNull(ImageLoader.class.getMethod("get", String.class, 94 ImageLoader.ImageListener.class, int.class, int.class, ImageView.ScaleType.class)); 95 assertNotNull(ImageLoader.class.getMethod("setBatchedResponseDelay", int.class)); 96 97 assertNotNull(ImageLoader.ImageListener.class.getMethod("onResponse", 98 ImageLoader.ImageContainer.class, boolean.class)); 99 } 100 } 101 102