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/*
* Copyright (C) 2011 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.providers.contacts;
import android.content.res.Resources;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import com.google.android.collect.Maps;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
/**
* Adds support for loading photo files easily from test resources.
*/
@SmallTest
public class PhotoLoadingTestCase extends AndroidTestCase {
private Map<Integer, PhotoEntry> photoResourceCache = Maps.newHashMap();
protected static enum PhotoSize {
ORIGINAL,
DISPLAY_PHOTO,
THUMBNAIL
}
protected final class PhotoEntry {
Map<PhotoSize, byte[]> photoMap = Maps.newHashMap();
public PhotoEntry(byte[] original) {
try {
PhotoProcessor processor = newPhotoProcessor(original, false);
photoMap.put(PhotoSize.ORIGINAL, original);
photoMap.put(PhotoSize.DISPLAY_PHOTO, processor.getDisplayPhotoBytes());
photoMap.put(PhotoSize.THUMBNAIL, processor.getThumbnailPhotoBytes());
} catch (IOException ignored) {
// Test is probably going to fail as a result anyway.
}
}
public byte[] getPhoto(PhotoSize size) {
return photoMap.get(size);
}
}
// The test photo will be loaded frequently in tests, so we'll just process it once.
private static PhotoEntry testPhotoEntry;
/**
* Create a new {@link PhotoProcessor} for unit tests.
*
* The instance generated here is always configured for 256x256 regardless of the
* device memory size.
*/
protected PhotoProcessor newPhotoProcessor(byte[] data, boolean forceCropToSquare)
throws IOException {
return new PhotoProcessor(data, 256, 96, forceCropToSquare);
}
protected byte[] loadTestPhoto() {
int testPhotoId = com.android.providers.contacts.tests.R.drawable.ic_contact_picture;
if (testPhotoEntry == null) {
loadPhotoFromResource(testPhotoId, PhotoSize.ORIGINAL);
testPhotoEntry = photoResourceCache.get(testPhotoId);
}
return testPhotoEntry.getPhoto(PhotoSize.ORIGINAL);
}
protected byte[] loadTestPhoto(PhotoSize size) {
loadTestPhoto();
return testPhotoEntry.getPhoto(size);
}
protected byte[] loadPhotoFromResource(int resourceId, PhotoSize size) {
PhotoEntry entry = photoResourceCache.get(resourceId);
if (entry == null) {
final Resources resources = getTestContext().getResources();
InputStream is = resources.openRawResource(resourceId);
byte[] content = readInputStreamFully(is);
entry = new PhotoEntry(content);
photoResourceCache.put(resourceId, entry);
}
return entry.getPhoto(size);
}
protected byte[] readInputStreamFully(InputStream is) {
ByteArrayOutputStream os = new ByteArrayOutputStream();
byte[] buffer = new byte[10000];
int count;
try {
while ((count = is.read(buffer)) != -1) {
os.write(buffer, 0, count);
}
is.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
return os.toByteArray();
}
}
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