/*
* Copyright (C) 2014 ZeroTurnaround <support@zeroturnaround.com>
* Contains fragments of code from Apache Commons Exec, rights owned
* by Apache Software Foundation (ASF).
*
* 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.zeroturnaround.exec.test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeoutException;
import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import org.junit.Test;
import org.zeroturnaround.exec.ProcessExecutor;
/**
* Tests passing command line arguments to a Java process.
*/
public class ProcessExecutorCommandLineTest {
@Test
public void testOneArg() throws Exception {
testArguments("foo");
}
@Test
public void testTwoArgs() throws Exception {
testArguments("foo", "bar");
}
@Test
public void testSpaces() throws Exception {
testArguments("foo foo", "bar bar");
}
@Test
public void testQuotes() throws Exception {
String[] args = new String[]{"\"a\"", "b \"c\" d", "f \"e\"", "\"g\" h"};
List<String> expected = Arrays.asList("\"a\"", "b \"c\" d", "f \"e\"", "\"g\" h");
if (System.getProperty("os.name").startsWith("Windows"))
expected = Arrays.asList("a", "b c d", "f e", "g h");
testArguments(expected, args);
}
@Test
public void testSlashes() throws Exception {
testArguments("/o\\", "\\/.*");
}
private void testArguments(String... args) throws IOException, InterruptedException, TimeoutException {
byte[] bytes = printArguments(args).execute().output();
List<String> expected = Arrays.asList(args);
List<String> actual = IOUtils.readLines(new ByteArrayInputStream(bytes));
Assert.assertEquals(expected, actual);
}
private void testArguments(List<String> expected, String... args) throws IOException, InterruptedException, TimeoutException {
byte[] bytes = printArguments(args).execute().output();
List<String> actual = IOUtils.readLines(new ByteArrayInputStream(bytes));
Assert.assertEquals(expected, actual);
}
private ProcessExecutor printArguments(String... args) {
List<String> command = new ArrayList<String>();
command.addAll(Arrays.asList("java", "-cp", "target/test-classes", PrintArguments.class.getName()));
command.addAll(Arrays.asList(args));
return new ProcessExecutor(command).readOutput(true);
}
}