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* 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
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package org.elasticsearch.common.blobstore;
import com.carrotsearch.randomizedtesting.LifecycleScope;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.BytesRefBuilder;
import org.elasticsearch.common.blobstore.fs.FsBlobStore;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.test.ElasticsearchTestCase;
import org.junit.Test;
import java.io.*;
import java.util.Arrays;
public class BlobStoreTest extends ElasticsearchTestCase {
@Test
public void testWriteRead() throws IOException {
final BlobStore store = newBlobStore();
final BlobContainer container = store.blobContainer(new BlobPath());
int length = randomIntBetween(10, scaledRandomIntBetween(1024, 1 << 16));
byte[] data = new byte[length];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) randomInt();
}
try (OutputStream stream = container.createOutput("foobar")) {
stream.write(data);
}
try (InputStream stream = container.openInput("foobar")) {
BytesRefBuilder target = new BytesRefBuilder();
while (target.length() < data.length) {
byte[] buffer = new byte[scaledRandomIntBetween(1, data.length - target.length())];
int offset = scaledRandomIntBetween(0, buffer.length - 1);
int read = stream.read(buffer, offset, buffer.length - offset);
target.append(new BytesRef(buffer, offset, read));
}
assertEquals(data.length, target.length());
assertArrayEquals(data, Arrays.copyOfRange(target.bytes(), 0, target.length()));
}
store.close();
}
protected BlobStore newBlobStore() {
File tempDir = newTempDir(LifecycleScope.TEST);
Settings settings = randomBoolean() ? ImmutableSettings.EMPTY : ImmutableSettings.builder().put("buffer_size", new ByteSizeValue(randomIntBetween(1, 100), ByteSizeUnit.KB)).build();
FsBlobStore store = new FsBlobStore(settings, tempDir);
return store;
}
}