/*
* 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.sshd.server.shell;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import org.apache.sshd.util.BaseTest;
import org.apache.sshd.util.BogusEnvironment;
import org.apache.sshd.util.BogusExitCallback;
import org.apache.sshd.util.BogusInvertedShell;
import org.junit.Test;
import static junit.framework.Assert.assertEquals;
public class InvertedShellWrapperTest extends BaseTest {
@Test
public void testStreamsAreFlushedBeforeClosing() throws Exception {
BogusInvertedShell shell = newShell("out", "err");
shell.setAlive(false);
ByteArrayInputStream in = new ByteArrayInputStream("in".getBytes());
ByteArrayOutputStream out = new ByteArrayOutputStream(50);
ByteArrayOutputStream err = new ByteArrayOutputStream();
InvertedShellWrapper wrapper = new InvertedShellWrapper(shell);
wrapper.setInputStream(in);
wrapper.setOutputStream(out);
wrapper.setErrorStream(err);
wrapper.setExitCallback(new BogusExitCallback());
wrapper.start(new BogusEnvironment());
wrapper.pumpStreams();
// check the streams were flushed before exiting
assertEquals("in", shell.getInputStream().toString());
assertEquals("out", out.toString());
assertEquals("err", err.toString());
}
private BogusInvertedShell newShell(String contentOut, String contentErr) {
ByteArrayOutputStream in = new ByteArrayOutputStream(20);
ByteArrayInputStream out = new ByteArrayInputStream(contentOut.getBytes());
ByteArrayInputStream err = new ByteArrayInputStream(contentErr.getBytes());
return new BogusInvertedShell(in, out, err);
}
}