/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.cli;
import org.elasticsearch.test.ESTestCase;
import org.junit.Before;
/**
* A base test case for cli tools.
*/
public abstract class CommandTestCase extends ESTestCase {
/** The terminal that execute uses. */
protected final MockTerminal terminal = new MockTerminal();
/** The last command that was executed. */
protected Command command;
@Before
public void resetTerminal() {
terminal.reset();
terminal.setVerbosity(Terminal.Verbosity.NORMAL);
}
/** Creates a Command to test execution. */
protected abstract Command newCommand();
/**
* Runs the command with the given args.
*
* Output can be found in {@link #terminal}.
* The command created can be found in {@link #command}.
*/
public String execute(String... args) throws Exception {
command = newCommand();
command.mainWithoutErrorHandling(args, terminal);
return terminal.getOutput();
}
}