branch-2.0.4-alpha/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestTextCommand.java - hadoop - Git at Google

 /**
  * 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.shell;

 import static org.junit.Assert.*;

 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.io.IOException;
 import java.io.StringWriter;
 import java.lang.reflect.Method;

 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.junit.Test;

 /**
  * This class tests the logic for displaying the binary formats supported
  * by the Text command.
  */
 public class TestTextCommand {
   private static final String TEST_ROOT_DIR =
     System.getProperty("test.build.data", "build/test/data/") + "/testText";
   private static final String AVRO_FILENAME = TEST_ROOT_DIR + "/weather.avro";

   /**
    * Tests whether binary Avro data files are displayed correctly.
    */
   @Test
   public void testDisplayForAvroFiles() throws Exception {
     // Create a small Avro data file on the local file system.
     createAvroFile(generateWeatherAvroBinaryData());

     // Prepare and call the Text command's protected getInputStream method
     // using reflection.
     Configuration conf = new Configuration();
     File localPath = new File(AVRO_FILENAME);
     PathData pathData = new PathData(localPath, conf);
     Display.Text text = new Display.Text();
     text.setConf(conf);
     Method method = text.getClass().getDeclaredMethod(
       "getInputStream", PathData.class);
     method.setAccessible(true);
     InputStream stream = (InputStream) method.invoke(text, pathData);
     String output = inputStreamToString(stream);

     // Check the output.
     String expectedOutput =
       "{\"station\":\"011990-99999\",\"time\":-619524000000,\"temp\":0}" +
       System.getProperty("line.separator") +
       "{\"station\":\"011990-99999\",\"time\":-619506000000,\"temp\":22}" +
       System.getProperty("line.separator") +
       "{\"station\":\"011990-99999\",\"time\":-619484400000,\"temp\":-11}" +
       System.getProperty("line.separator") +
       "{\"station\":\"012650-99999\",\"time\":-655531200000,\"temp\":111}" +
       System.getProperty("line.separator") +
       "{\"station\":\"012650-99999\",\"time\":-655509600000,\"temp\":78}" +
       System.getProperty("line.separator");

     assertEquals(expectedOutput, output);
   }

   private String inputStreamToString(InputStream stream) throws IOException {
     StringWriter writer = new StringWriter();
     IOUtils.copy(stream, writer);
     return writer.toString();
   }

   private void createAvroFile(byte[] contents) throws IOException {
     (new File(TEST_ROOT_DIR)).mkdir();
     File file = new File(AVRO_FILENAME);
     file.createNewFile();
     FileOutputStream stream = new FileOutputStream(file);
     stream.write(contents);
     stream.close();
   }

   private byte[] generateWeatherAvroBinaryData() {
     // The contents of a simple binary Avro file with weather records.
     byte[] contents = {
       (byte) 0x4f, (byte) 0x62, (byte) 0x6a, (byte)  0x1,
       (byte)  0x4, (byte) 0x14, (byte) 0x61, (byte) 0x76,
       (byte) 0x72, (byte) 0x6f, (byte) 0x2e, (byte) 0x63,
       (byte) 0x6f, (byte) 0x64, (byte) 0x65, (byte) 0x63,
       (byte)  0x8, (byte) 0x6e, (byte) 0x75, (byte) 0x6c,
       (byte) 0x6c, (byte) 0x16, (byte) 0x61, (byte) 0x76,
       (byte) 0x72, (byte) 0x6f, (byte) 0x2e, (byte) 0x73,
       (byte) 0x63, (byte) 0x68, (byte) 0x65, (byte) 0x6d,
       (byte) 0x61, (byte) 0xf2, (byte)  0x2, (byte) 0x7b,
       (byte) 0x22, (byte) 0x74, (byte) 0x79, (byte) 0x70,
       (byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
       (byte) 0x72, (byte) 0x65, (byte) 0x63, (byte) 0x6f,
       (byte) 0x72, (byte) 0x64, (byte) 0x22, (byte) 0x2c,
       (byte) 0x22, (byte) 0x6e, (byte) 0x61, (byte) 0x6d,
       (byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
       (byte) 0x57, (byte) 0x65, (byte) 0x61, (byte) 0x74,
       (byte) 0x68, (byte) 0x65, (byte) 0x72, (byte) 0x22,
       (byte) 0x2c, (byte) 0x22, (byte) 0x6e, (byte) 0x61,
       (byte) 0x6d, (byte) 0x65, (byte) 0x73, (byte) 0x70,
       (byte) 0x61, (byte) 0x63, (byte) 0x65, (byte) 0x22,
       (byte) 0x3a, (byte) 0x22, (byte) 0x74, (byte) 0x65,
       (byte) 0x73, (byte) 0x74, (byte) 0x22, (byte) 0x2c,
       (byte) 0x22, (byte) 0x66, (byte) 0x69, (byte) 0x65,
       (byte) 0x6c, (byte) 0x64, (byte) 0x73, (byte) 0x22,
       (byte) 0x3a, (byte) 0x5b, (byte) 0x7b, (byte) 0x22,
       (byte) 0x6e, (byte) 0x61, (byte) 0x6d, (byte) 0x65,
       (byte) 0x22, (byte) 0x3a, (byte) 0x22, (byte) 0x73,
       (byte) 0x74, (byte) 0x61, (byte) 0x74, (byte) 0x69,
       (byte) 0x6f, (byte) 0x6e, (byte) 0x22, (byte) 0x2c,
       (byte) 0x22, (byte) 0x74, (byte) 0x79, (byte) 0x70,
       (byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
       (byte) 0x73, (byte) 0x74, (byte) 0x72, (byte) 0x69,
       (byte) 0x6e, (byte) 0x67, (byte) 0x22, (byte) 0x7d,
       (byte) 0x2c, (byte) 0x7b, (byte) 0x22, (byte) 0x6e,
       (byte) 0x61, (byte) 0x6d, (byte) 0x65, (byte) 0x22,
       (byte) 0x3a, (byte) 0x22, (byte) 0x74, (byte) 0x69,
       (byte) 0x6d, (byte) 0x65, (byte) 0x22, (byte) 0x2c,
       (byte) 0x22, (byte) 0x74, (byte) 0x79, (byte) 0x70,
       (byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
       (byte) 0x6c, (byte) 0x6f, (byte) 0x6e, (byte) 0x67,
       (byte) 0x22, (byte) 0x7d, (byte) 0x2c, (byte) 0x7b,
       (byte) 0x22, (byte) 0x6e, (byte) 0x61, (byte) 0x6d,
       (byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
       (byte) 0x74, (byte) 0x65, (byte) 0x6d, (byte) 0x70,
       (byte) 0x22, (byte) 0x2c, (byte) 0x22, (byte) 0x74,
       (byte) 0x79, (byte) 0x70, (byte) 0x65, (byte) 0x22,
       (byte) 0x3a, (byte) 0x22, (byte) 0x69, (byte) 0x6e,
       (byte) 0x74, (byte) 0x22, (byte) 0x7d, (byte) 0x5d,
       (byte) 0x2c, (byte) 0x22, (byte) 0x64, (byte) 0x6f,
       (byte) 0x63, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
       (byte) 0x41, (byte) 0x20, (byte) 0x77, (byte) 0x65,
       (byte) 0x61, (byte) 0x74, (byte) 0x68, (byte) 0x65,
       (byte) 0x72, (byte) 0x20, (byte) 0x72, (byte) 0x65,
       (byte) 0x61, (byte) 0x64, (byte) 0x69, (byte) 0x6e,
       (byte) 0x67, (byte) 0x2e, (byte) 0x22, (byte) 0x7d,
       (byte)  0x0, (byte) 0xb0, (byte) 0x81, (byte) 0xb3,
       (byte) 0xc4, (byte)  0xa, (byte)  0xc, (byte) 0xf6,
       (byte) 0x62, (byte) 0xfa, (byte) 0xc9, (byte) 0x38,
       (byte) 0xfd, (byte) 0x7e, (byte) 0x52, (byte)  0x0,
       (byte) 0xa7, (byte)  0xa, (byte) 0xcc, (byte)  0x1,
       (byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x31,
       (byte) 0x39, (byte) 0x39, (byte) 0x30, (byte) 0x2d,
       (byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
       (byte) 0x39, (byte) 0xff, (byte) 0xa3, (byte) 0x90,
       (byte) 0xe8, (byte) 0x87, (byte) 0x24, (byte)  0x0,
       (byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x31,
       (byte) 0x39, (byte) 0x39, (byte) 0x30, (byte) 0x2d,
       (byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
       (byte) 0x39, (byte) 0xff, (byte) 0x81, (byte) 0xfb,
       (byte) 0xd6, (byte) 0x87, (byte) 0x24, (byte) 0x2c,
       (byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x31,
       (byte) 0x39, (byte) 0x39, (byte) 0x30, (byte) 0x2d,
       (byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
       (byte) 0x39, (byte) 0xff, (byte) 0xa5, (byte) 0xae,
       (byte) 0xc2, (byte) 0x87, (byte) 0x24, (byte) 0x15,
       (byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x32,
       (byte) 0x36, (byte) 0x35, (byte) 0x30, (byte) 0x2d,
       (byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
       (byte) 0x39, (byte) 0xff, (byte) 0xb7, (byte) 0xa2,
       (byte) 0x8b, (byte) 0x94, (byte) 0x26, (byte) 0xde,
       (byte)  0x1, (byte) 0x18, (byte) 0x30, (byte) 0x31,
       (byte) 0x32, (byte) 0x36, (byte) 0x35, (byte) 0x30,
       (byte) 0x2d, (byte) 0x39, (byte) 0x39, (byte) 0x39,
       (byte) 0x39, (byte) 0x39, (byte) 0xff, (byte) 0xdb,
       (byte) 0xd5, (byte) 0xf6, (byte) 0x93, (byte) 0x26,
       (byte) 0x9c, (byte)  0x1, (byte) 0xb0, (byte) 0x81,
       (byte) 0xb3, (byte) 0xc4, (byte)  0xa, (byte)  0xc,
       (byte) 0xf6, (byte) 0x62, (byte) 0xfa, (byte) 0xc9,
       (byte) 0x38, (byte) 0xfd, (byte) 0x7e, (byte) 0x52,
       (byte)  0x0, (byte) 0xa7,
     };

     return contents;
   }
 }
	/**
	* 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.shell;

	import static org.junit.Assert.*;

	import java.io.File;
	import java.io.FileOutputStream;
	import java.io.InputStream;
	import java.io.IOException;
	import java.io.StringWriter;
	import java.lang.reflect.Method;

	import org.apache.commons.io.IOUtils;
	import org.apache.hadoop.conf.Configuration;
	import org.junit.Test;

	/**
	* This class tests the logic for displaying the binary formats supported
	* by the Text command.
	*/
	public class TestTextCommand {
	private static final String TEST_ROOT_DIR =
	System.getProperty("test.build.data", "build/test/data/") + "/testText";
	private static final String AVRO_FILENAME = TEST_ROOT_DIR + "/weather.avro";

	/**
	* Tests whether binary Avro data files are displayed correctly.
	*/
	@Test
	public void testDisplayForAvroFiles() throws Exception {
	// Create a small Avro data file on the local file system.
	createAvroFile(generateWeatherAvroBinaryData());

	// Prepare and call the Text command's protected getInputStream method
	// using reflection.
	Configuration conf = new Configuration();
	File localPath = new File(AVRO_FILENAME);
	PathData pathData = new PathData(localPath, conf);
	Display.Text text = new Display.Text();
	text.setConf(conf);
	Method method = text.getClass().getDeclaredMethod(
	"getInputStream", PathData.class);
	method.setAccessible(true);
	InputStream stream = (InputStream) method.invoke(text, pathData);
	String output = inputStreamToString(stream);

	// Check the output.
	String expectedOutput =
	"{\"station\":\"011990-99999\",\"time\":-619524000000,\"temp\":0}" +
	System.getProperty("line.separator") +
	"{\"station\":\"011990-99999\",\"time\":-619506000000,\"temp\":22}" +
	System.getProperty("line.separator") +
	"{\"station\":\"011990-99999\",\"time\":-619484400000,\"temp\":-11}" +
	System.getProperty("line.separator") +
	"{\"station\":\"012650-99999\",\"time\":-655531200000,\"temp\":111}" +
	System.getProperty("line.separator") +
	"{\"station\":\"012650-99999\",\"time\":-655509600000,\"temp\":78}" +
	System.getProperty("line.separator");

	assertEquals(expectedOutput, output);
	}

	private String inputStreamToString(InputStream stream) throws IOException {
	StringWriter writer = new StringWriter();
	IOUtils.copy(stream, writer);
	return writer.toString();
	}

	private void createAvroFile(byte[] contents) throws IOException {
	(new File(TEST_ROOT_DIR)).mkdir();
	File file = new File(AVRO_FILENAME);
	file.createNewFile();
	FileOutputStream stream = new FileOutputStream(file);
	stream.write(contents);
	stream.close();
	}

	private byte[] generateWeatherAvroBinaryData() {
	// The contents of a simple binary Avro file with weather records.
	byte[] contents = {
	(byte) 0x4f, (byte) 0x62, (byte) 0x6a, (byte) 0x1,
	(byte) 0x4, (byte) 0x14, (byte) 0x61, (byte) 0x76,
	(byte) 0x72, (byte) 0x6f, (byte) 0x2e, (byte) 0x63,
	(byte) 0x6f, (byte) 0x64, (byte) 0x65, (byte) 0x63,
	(byte) 0x8, (byte) 0x6e, (byte) 0x75, (byte) 0x6c,
	(byte) 0x6c, (byte) 0x16, (byte) 0x61, (byte) 0x76,
	(byte) 0x72, (byte) 0x6f, (byte) 0x2e, (byte) 0x73,
	(byte) 0x63, (byte) 0x68, (byte) 0x65, (byte) 0x6d,
	(byte) 0x61, (byte) 0xf2, (byte) 0x2, (byte) 0x7b,
	(byte) 0x22, (byte) 0x74, (byte) 0x79, (byte) 0x70,
	(byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
	(byte) 0x72, (byte) 0x65, (byte) 0x63, (byte) 0x6f,
	(byte) 0x72, (byte) 0x64, (byte) 0x22, (byte) 0x2c,
	(byte) 0x22, (byte) 0x6e, (byte) 0x61, (byte) 0x6d,
	(byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
	(byte) 0x57, (byte) 0x65, (byte) 0x61, (byte) 0x74,
	(byte) 0x68, (byte) 0x65, (byte) 0x72, (byte) 0x22,
	(byte) 0x2c, (byte) 0x22, (byte) 0x6e, (byte) 0x61,
	(byte) 0x6d, (byte) 0x65, (byte) 0x73, (byte) 0x70,
	(byte) 0x61, (byte) 0x63, (byte) 0x65, (byte) 0x22,
	(byte) 0x3a, (byte) 0x22, (byte) 0x74, (byte) 0x65,
	(byte) 0x73, (byte) 0x74, (byte) 0x22, (byte) 0x2c,
	(byte) 0x22, (byte) 0x66, (byte) 0x69, (byte) 0x65,
	(byte) 0x6c, (byte) 0x64, (byte) 0x73, (byte) 0x22,
	(byte) 0x3a, (byte) 0x5b, (byte) 0x7b, (byte) 0x22,
	(byte) 0x6e, (byte) 0x61, (byte) 0x6d, (byte) 0x65,
	(byte) 0x22, (byte) 0x3a, (byte) 0x22, (byte) 0x73,
	(byte) 0x74, (byte) 0x61, (byte) 0x74, (byte) 0x69,
	(byte) 0x6f, (byte) 0x6e, (byte) 0x22, (byte) 0x2c,
	(byte) 0x22, (byte) 0x74, (byte) 0x79, (byte) 0x70,
	(byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
	(byte) 0x73, (byte) 0x74, (byte) 0x72, (byte) 0x69,
	(byte) 0x6e, (byte) 0x67, (byte) 0x22, (byte) 0x7d,
	(byte) 0x2c, (byte) 0x7b, (byte) 0x22, (byte) 0x6e,
	(byte) 0x61, (byte) 0x6d, (byte) 0x65, (byte) 0x22,
	(byte) 0x3a, (byte) 0x22, (byte) 0x74, (byte) 0x69,
	(byte) 0x6d, (byte) 0x65, (byte) 0x22, (byte) 0x2c,
	(byte) 0x22, (byte) 0x74, (byte) 0x79, (byte) 0x70,
	(byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
	(byte) 0x6c, (byte) 0x6f, (byte) 0x6e, (byte) 0x67,
	(byte) 0x22, (byte) 0x7d, (byte) 0x2c, (byte) 0x7b,
	(byte) 0x22, (byte) 0x6e, (byte) 0x61, (byte) 0x6d,
	(byte) 0x65, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
	(byte) 0x74, (byte) 0x65, (byte) 0x6d, (byte) 0x70,
	(byte) 0x22, (byte) 0x2c, (byte) 0x22, (byte) 0x74,
	(byte) 0x79, (byte) 0x70, (byte) 0x65, (byte) 0x22,
	(byte) 0x3a, (byte) 0x22, (byte) 0x69, (byte) 0x6e,
	(byte) 0x74, (byte) 0x22, (byte) 0x7d, (byte) 0x5d,
	(byte) 0x2c, (byte) 0x22, (byte) 0x64, (byte) 0x6f,
	(byte) 0x63, (byte) 0x22, (byte) 0x3a, (byte) 0x22,
	(byte) 0x41, (byte) 0x20, (byte) 0x77, (byte) 0x65,
	(byte) 0x61, (byte) 0x74, (byte) 0x68, (byte) 0x65,
	(byte) 0x72, (byte) 0x20, (byte) 0x72, (byte) 0x65,
	(byte) 0x61, (byte) 0x64, (byte) 0x69, (byte) 0x6e,
	(byte) 0x67, (byte) 0x2e, (byte) 0x22, (byte) 0x7d,
	(byte) 0x0, (byte) 0xb0, (byte) 0x81, (byte) 0xb3,
	(byte) 0xc4, (byte) 0xa, (byte) 0xc, (byte) 0xf6,
	(byte) 0x62, (byte) 0xfa, (byte) 0xc9, (byte) 0x38,
	(byte) 0xfd, (byte) 0x7e, (byte) 0x52, (byte) 0x0,
	(byte) 0xa7, (byte) 0xa, (byte) 0xcc, (byte) 0x1,
	(byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x31,
	(byte) 0x39, (byte) 0x39, (byte) 0x30, (byte) 0x2d,
	(byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
	(byte) 0x39, (byte) 0xff, (byte) 0xa3, (byte) 0x90,
	(byte) 0xe8, (byte) 0x87, (byte) 0x24, (byte) 0x0,
	(byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x31,
	(byte) 0x39, (byte) 0x39, (byte) 0x30, (byte) 0x2d,
	(byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
	(byte) 0x39, (byte) 0xff, (byte) 0x81, (byte) 0xfb,
	(byte) 0xd6, (byte) 0x87, (byte) 0x24, (byte) 0x2c,
	(byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x31,
	(byte) 0x39, (byte) 0x39, (byte) 0x30, (byte) 0x2d,
	(byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
	(byte) 0x39, (byte) 0xff, (byte) 0xa5, (byte) 0xae,
	(byte) 0xc2, (byte) 0x87, (byte) 0x24, (byte) 0x15,
	(byte) 0x18, (byte) 0x30, (byte) 0x31, (byte) 0x32,
	(byte) 0x36, (byte) 0x35, (byte) 0x30, (byte) 0x2d,
	(byte) 0x39, (byte) 0x39, (byte) 0x39, (byte) 0x39,
	(byte) 0x39, (byte) 0xff, (byte) 0xb7, (byte) 0xa2,
	(byte) 0x8b, (byte) 0x94, (byte) 0x26, (byte) 0xde,
	(byte) 0x1, (byte) 0x18, (byte) 0x30, (byte) 0x31,
	(byte) 0x32, (byte) 0x36, (byte) 0x35, (byte) 0x30,
	(byte) 0x2d, (byte) 0x39, (byte) 0x39, (byte) 0x39,
	(byte) 0x39, (byte) 0x39, (byte) 0xff, (byte) 0xdb,
	(byte) 0xd5, (byte) 0xf6, (byte) 0x93, (byte) 0x26,
	(byte) 0x9c, (byte) 0x1, (byte) 0xb0, (byte) 0x81,
	(byte) 0xb3, (byte) 0xc4, (byte) 0xa, (byte) 0xc,
	(byte) 0xf6, (byte) 0x62, (byte) 0xfa, (byte) 0xc9,
	(byte) 0x38, (byte) 0xfd, (byte) 0x7e, (byte) 0x52,
	(byte) 0x0, (byte) 0xa7,
	};

	return contents;
	}
	}