/*
* Copyright 2012-2014 the original author or authors.
*
* Licensed 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.springframework.boot.cli;
import java.io.IOException;
import org.junit.Test;
import org.springframework.boot.cli.infrastructure.CommandLineInvoker;
import org.springframework.boot.cli.infrastructure.CommandLineInvoker.Invocation;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.startsWith;
import static org.junit.Assert.assertThat;
/**
* Integration Tests for the command line application.
*
* @author Andy Wilkinson
* @author Phillip Webb
*/
public class CommandLineIT {
private final CommandLineInvoker cli = new CommandLineInvoker();
@Test
public void hintProducesListOfValidCommands() throws IOException,
InterruptedException {
Invocation cli = this.cli.invoke("hint");
assertThat(cli.await(), equalTo(0));
assertThat(cli.getErrorOutput().length(), equalTo(0));
assertThat(cli.getStandardOutputLines().size(), equalTo(10));
}
@Test
public void invokingWithNoArgumentsDisplaysHelp() throws IOException,
InterruptedException {
Invocation cli = this.cli.invoke();
assertThat(cli.await(), equalTo(1));
assertThat(cli.getErrorOutput().length(), equalTo(0));
assertThat(cli.getStandardOutput(), startsWith("usage:"));
}
@Test
public void unrecognizedCommandsAreHandledGracefully() throws IOException,
InterruptedException {
Invocation cli = this.cli.invoke("not-a-real-command");
assertThat(cli.await(), equalTo(1));
assertThat(cli.getErrorOutput(),
containsString("'not-a-real-command' is not a valid command"));
assertThat(cli.getStandardOutput().length(), equalTo(0));
}
@Test
public void version() throws IOException, InterruptedException {
Invocation cli = this.cli.invoke("version");
assertThat(cli.await(), equalTo(0));
assertThat(cli.getErrorOutput().length(), equalTo(0));
assertThat(cli.getStandardOutput(), startsWith("Spring CLI v"));
}
@Test
public void help() throws IOException, InterruptedException {
Invocation cli = this.cli.invoke("help");
assertThat(cli.await(), equalTo(1));
assertThat(cli.getErrorOutput().length(), equalTo(0));
assertThat(cli.getStandardOutput(), startsWith("usage:"));
}
}