/**
* 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.hive.beeline;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.lang.reflect.Method;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* TestBeeLineHistory - executes tests of the !history command of BeeLine
*/
public class TestBeeLineHistory {
private static final String fileName = System.getProperty("test.tmp.dir") + "/history";
@BeforeClass
public static void beforeTests() throws Exception {
PrintWriter writer = new PrintWriter(fileName);
writer.println("select 1;");
writer.println("select 2;");
writer.println("select 3;");
writer.println("select 4;");
writer.println("select 5;");
writer.println("select 6;");
writer.println("select 7;");
writer.println("select 8;");
writer.println("select 9;");
writer.println("select 10;");
writer.close();
}
@Test
public void testNumHistories() throws Exception {
ByteArrayOutputStream os = new ByteArrayOutputStream();
PrintStream ops = new PrintStream(os);
BeeLine beeline = new BeeLine();
beeline.getOpts().setHistoryFile(fileName);
beeline.setOutputStream(ops);
Method method = beeline.getClass().getDeclaredMethod("setupHistory");
method.setAccessible(true);
method.invoke(beeline);
beeline.initializeConsoleReader(null);
beeline.dispatch("!history");
String output = os.toString("UTF-8");
int numHistories = output.split("\n").length;
Assert.assertEquals(10, numHistories);
beeline.close();
}
@Test
public void testHistory() throws Exception {
ByteArrayOutputStream os = new ByteArrayOutputStream();
PrintStream ops = new PrintStream(os);
BeeLine beeline = new BeeLine();
beeline.getOpts().setHistoryFile(fileName);
beeline.setOutputStream(ops);
Method method = beeline.getClass().getDeclaredMethod("setupHistory");
method.setAccessible(true);
method.invoke(beeline);
beeline.initializeConsoleReader(null);
beeline.dispatch("!history");
String output = os.toString("UTF-8");
String[] tmp = output.split("\n");
Assert.assertTrue(tmp[0].equals("1 : select 1;"));
Assert.assertTrue(tmp[9].equals("10 : select 10;"));
beeline.close();
}
@AfterClass
public static void afterTests() throws Exception {
File file = new File(fileName);
file.delete();
}
}