/**
 * 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.lens.cli;

import org.springframework.shell.Bootstrap;
import org.springframework.shell.core.CommandResult;
import org.springframework.shell.core.JLineShellComponent;
import org.testng.Assert;
import org.testng.annotations.BeforeClass;

/**
 * The Class TestLensStorageCommands.
 */
public class LensCLITest extends LensCliApplicationTest {

  protected static JLineShellComponent shell;

  @BeforeClass
  public static void startUp() throws InterruptedException {
    Bootstrap bootstrap = new Bootstrap();
    shell = bootstrap.getJLineShellComponent();
  }


  public <T> T execute(String command) throws Throwable {
    CommandResult commandResult = shell.executeCommand(command);
    if (commandResult.isSuccess()) {
      return (T) commandResult.getResult();
    }
    if (commandResult.getException() != null) {
      throw commandResult.getException();
    }
    throw new AssertionError("Result is not success and exception is null");
  }

  public <T> void execute(String command, T result) throws Throwable {
    Assert.assertEquals(execute(command), result);
  }

  public <T> void execute(String command, T result, Throwable throwable) throws Throwable {
    CommandResult commandResult = shell.executeCommand(command);
    if (commandResult.isSuccess()) {
      Assert.assertNull(throwable);
      Assert.assertEquals(commandResult.getResult(), result);
    } else {
      Assert.assertNull(result);
      Assert.assertEquals(commandResult.getException().getClass(), throwable.getClass());
      Assert.assertEquals(commandResult.getException().getMessage(), throwable.getMessage());
    }
  }
}