/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.hadoop.fs.adl.live;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.adl.common.Parallelized;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Random;
import java.util.UUID;
import static org.apache.hadoop.fs.adl.AdlConfKeys.WRITE_BUFFER_SIZE_KEY;
/**
* Verify data integrity with different data sizes with buffer size.
*/
@RunWith(Parallelized.class)
public class TestAdlDifferentSizeWritesLive {
private static Random rand = new Random();
private int totalSize;
private int chunkSize;
public TestAdlDifferentSizeWritesLive(int totalSize, int chunkSize) {
this.totalSize = totalSize;
this.chunkSize = chunkSize;
}
public static byte[] getRandomByteArrayData(int size) {
byte[] b = new byte[size];
rand.nextBytes(b);
return b;
}
@Parameterized.Parameters(name = "{index}: Data Size [{0}] ; Chunk Size "
+ "[{1}]")
public static Collection testDataForIntegrityTest() {
return Arrays.asList(
new Object[][] {{4 * 1024, 1 * 1024}, {4 * 1024, 7 * 1024},
{4 * 1024, 10}, {2 * 1024, 10}, {1 * 1024, 10}, {100, 1},
{4 * 1024, 1 * 1024}, {7 * 1024, 2 * 1024}, {9 * 1024, 2 * 1024},
{10 * 1024, 3 * 1024}, {10 * 1024, 1 * 1024},
{10 * 1024, 8 * 1024}});
}
@BeforeClass
public static void cleanUpParent() throws IOException, URISyntaxException {
if (AdlStorageConfiguration.isContractTestEnabled()) {
Path path = new Path("/test/dataIntegrityCheck/");
FileSystem fs = AdlStorageConfiguration.createStorageConnector();
fs.delete(path, true);
}
}
@Before
public void setup() throws Exception {
org.junit.Assume
.assumeTrue(AdlStorageConfiguration.isContractTestEnabled());
}
@Test
public void testDataIntegrity() throws IOException {
Path path = new Path(
"/test/dataIntegrityCheck/" + UUID.randomUUID().toString());
FileSystem fs = null;
AdlStorageConfiguration.getConfiguration()
.setInt(WRITE_BUFFER_SIZE_KEY, 4 * 1024);
try {
fs = AdlStorageConfiguration.createStorageConnector();
} catch (URISyntaxException e) {
throw new IllegalStateException("Can not initialize ADL FileSystem. "
+ "Please check test.fs.adl.name property.", e);
}
byte[] expectedData = getRandomByteArrayData(totalSize);
FSDataOutputStream out = fs.create(path, true);
int iteration = totalSize / chunkSize;
int reminderIteration = totalSize % chunkSize;
int offset = 0;
for (int i = 0; i < iteration; ++i) {
out.write(expectedData, offset, chunkSize);
offset += chunkSize;
}
out.write(expectedData, offset, reminderIteration);
out.close();
byte[] actualData = new byte[totalSize];
FSDataInputStream in = fs.open(path);
in.readFully(0, actualData);
in.close();
Assert.assertArrayEquals(expectedData, actualData);
Assert.assertTrue(fs.delete(path, true));
}
}