/**
* 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.tajo.util;
import com.google.protobuf.Message;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.apache.tajo.util.TestProtos.TestMessageProto;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
public class TestFileUtils {
private static final String TEST_PATH = "target/test-data/TestFileUTils";
TestMessageProto proto = null;
@Before
public void setUp() throws Exception {
TestMessageProto.Builder builder = TestMessageProto.newBuilder();
builder.setName("TestFileUtils");
builder.setAge(30);
builder.setAddr(TestFileUtils.class.getName());
proto = builder.build();
File testDir = new File(TEST_PATH);
if(testDir.exists()) {
testDir.delete();
}
testDir.mkdirs();
}
@After
public void tearDown() throws Exception {
File testDir = new File(TEST_PATH);
if(testDir.exists()) {
testDir.delete();
}
}
@Test
public final void testWriteLoadProtoFromFile() throws IOException {
File file = new File(TEST_PATH+"/file.bin");
file.createNewFile();
FileUtil.writeProto(file, proto);
Message defaultInstance = TestMessageProto.getDefaultInstance();
TestMessageProto message = (TestMessageProto)
FileUtil.loadProto(new File(TEST_PATH+"/file.bin"), defaultInstance);
assertEquals(proto, message);
}
@Test
public final void testWriteLoadProtoFromStream() throws IOException {
FileOutputStream out = new FileOutputStream(new File(TEST_PATH+"/file.bin"));
FileUtil.writeProto(out, proto);
FileInputStream in = new FileInputStream(new File(TEST_PATH+"/file.bin"));
Message defaultInstance = TestMessageProto.getDefaultInstance();
TestMessageProto message = (TestMessageProto)
FileUtil.loadProto(in, defaultInstance);
assertEquals(proto, message);
}
@Test
public final void testWriteLoadProtoFromPath() throws IOException {
Path path = new Path(TEST_PATH+"/file.bin");
Configuration conf = new Configuration();
FileSystem localFS = FileSystem.getLocal(conf);
FileUtil.writeProto(localFS, path, proto);
Message defaultInstance = TestMessageProto.getDefaultInstance();
TestMessageProto message = (TestMessageProto)
FileUtil.loadProto(localFS, new Path(TEST_PATH+"/file.bin"),
defaultInstance);
assertEquals(proto, message);
}
}