tajo-core-tests/src/test/java/org/apache/tajo/cli/tsql/commands/TestExecExternalShellCommand.java

/**
 * 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.cli.tsql.commands;

import org.apache.tajo.TpchTestBase;
import org.apache.tajo.cli.tsql.TajoCli;
import org.apache.tajo.conf.TajoConf;
import org.junit.Test;

import java.io.ByteArrayOutputStream;

import static org.junit.Assert.assertEquals;

public class TestExecExternalShellCommand {
  @Test
  public void testCommand() throws Exception {
    TajoConf tajoConf = TpchTestBase.getInstance().getTestingCluster().getConfiguration();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ByteArrayOutputStream err = new ByteArrayOutputStream();

    TajoCli cli = new TajoCli(tajoConf, new String[]{}, null, null, out, err);

    cli.executeMetaCommand("\\! echo \"this is test\"");
    String consoleResult = new String(out.toByteArray());
    assertEquals("this is test\n", consoleResult);

    assertEquals(-1, cli.executeMetaCommand("\\! error_command"));
  }
}