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HADOOP-9540. Expose the InMemoryS3 and S3N FilesystemStores implementations for Unit testing. Hari

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1479985 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Steve Loughran 2013-05-07 17:21:14 +00:00
parent 1f5ac02a0d
commit fa56ccfd53
7 changed files with 206 additions and 3 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -548,6 +548,9 @@ Trunk (Unreleased)
HADOOP-9483. winutils support for readlink command.
(Arpit Agarwal via suresh)
HADOOP-9540. Expose the InMemoryS3 and S3N FilesystemStores implementations for Unit testing.
(Hari via stevel)
Release 2.0.5-beta - UNRELEASED
INCOMPATIBLE CHANGES

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/s3/InMemoryFileSystemStore.java
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@ -41,7 +41,7 @@
* A stub implementation of {@link FileSystemStore} for testing
* {@link S3FileSystem} without actually connecting to S3.
*/
class InMemoryFileSystemStore implements FileSystemStore {
public class InMemoryFileSystemStore implements FileSystemStore {
private Configuration conf;
private SortedMap<Path, INode> inodes = new TreeMap<Path, INode>();

32
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/s3/S3InMemoryFileSystem.java Normal file
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@ -0,0 +1,32 @@
/**
* 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.s3;
import org.apache.hadoop.fs.s3.S3FileSystem;
import org.apache.hadoop.fs.s3.InMemoryFileSystemStore;
/**
* A helper implementation of {@link S3FileSystem}
* without actually connecting to S3 for unit testing.
*/
public class S3InMemoryFileSystem extends S3FileSystem {
public S3InMemoryFileSystem() {
super(new InMemoryFileSystemStore());
}
}

67
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/s3/TestS3InMemoryFileSystem.java Normal file
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@ -0,0 +1,67 @@
/**
* 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.s3;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import junit.framework.TestCase;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.Path;
public class TestS3InMemoryFileSystem extends TestCase {
private static final String TEST_PATH = "s3://test/data.txt";
private static final String TEST_DATA = "Sample data for testing.";
private S3InMemoryFileSystem fs;
@Override
public void setUp() throws IOException {
fs = new S3InMemoryFileSystem();
fs.initialize(URI.create("s3://test/"), new Configuration());
}
public void testBasicReadWriteIO() throws IOException {
FSDataOutputStream writeStream = fs.create(new Path(TEST_PATH));
writeStream.write(TEST_DATA.getBytes());
writeStream.flush();
writeStream.close();
FSDataInputStream readStream = fs.open(new Path(TEST_PATH));
BufferedReader br = new BufferedReader(new InputStreamReader(readStream));
String line = "";
StringBuffer stringBuffer = new StringBuffer();
while ((line = br.readLine()) != null) {
stringBuffer.append(line);
}
br.close();
assert(TEST_DATA.equals(stringBuffer.toString()));
}
@Override
public void tearDown() throws IOException {
fs.close();
}
}

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/s3native/InMemoryNativeFileSystemStore.java
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@ -47,7 +47,7 @@
* {@link NativeS3FileSystem} without actually connecting to S3.
* </p>
*/
class InMemoryNativeFileSystemStore implements NativeFileSystemStore {
public class InMemoryNativeFileSystemStore implements NativeFileSystemStore {
private Configuration conf;

32
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/s3native/S3NInMemoryFileSystem.java Normal file
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@ -0,0 +1,32 @@
/**
* 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.s3native;
import org.apache.hadoop.fs.s3native.NativeS3FileSystem;
import org.apache.hadoop.fs.s3native.InMemoryNativeFileSystemStore;
/**
* A helper implementation of {@link NativeS3FileSystem}
* without actually connecting to S3 for unit testing.
*/
public class S3NInMemoryFileSystem extends NativeS3FileSystem {
public S3NInMemoryFileSystem() {
super(new InMemoryNativeFileSystemStore());
}
}

69
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/s3native/TestS3NInMemoryFileSystem.java Normal file
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@ -0,0 +1,69 @@
/**
* 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.s3native;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import junit.framework.TestCase;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.Path;
public class TestS3NInMemoryFileSystem extends TestCase {
private static final String TEST_PATH = "s3n://test/data.txt";
private static final String TEST_DATA = "Sample data for testing.";
private S3NInMemoryFileSystem fs;
@Override
public void setUp() throws IOException {
fs = new S3NInMemoryFileSystem();
fs.initialize(URI.create("s3n://test/"), new Configuration());
}
public void testBasicReadWriteIO() throws IOException {
FSDataOutputStream writeData = fs.create(new Path(TEST_PATH));
writeData.write(TEST_DATA.getBytes());
writeData.flush();
writeData.close();
FSDataInputStream readData = fs.open(new Path(TEST_PATH));
BufferedReader br = new BufferedReader(new InputStreamReader(readData));
String line = "";
StringBuffer stringBuffer = new StringBuffer();
while ((line = br.readLine()) != null) {
stringBuffer.append(line);
}
br.close();
assert(TEST_DATA.equals(stringBuffer.toString()));
}
@Override
public void tearDown() throws IOException {
fs.close();
}
}