src/test/java/org/apache/sling/engine/impl/log/ClientAbortExceptionTest.java

/*
 * 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.sling.engine.impl.log;

import javax.servlet.ServletOutputStream;
import javax.servlet.WriteListener;
import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import org.apache.sling.engine.impl.helper.ClientAbortException;
import org.jmock.Expectations;
import org.jmock.Mockery;
import org.junit.Before;
import org.junit.Test;

/** Verify that RequestLoggerResponse wraps IOException in ClientAbortException */
public class ClientAbortExceptionTest {

    private Mockery context;
    private RequestLoggerResponse r;

    @Before
    public void setup() throws IOException {
        context = new Mockery();

        final ServletOutputStream sos = new ServletOutputStream() {
            @Override
            public void write(int b) throws IOException {
                throw new IOException("Always fails, on purpose");
            }

            @Override
            public void flush() throws IOException {
                throw new IOException("Always fails, on purpose");
            }

            @Override
            public void close() throws IOException {
                throw new IOException("Always fails, on purpose");
            }

            @Override
            public boolean isReady() {
                return true;
            }

            @Override
            public void setWriteListener(WriteListener writeListener) {}
        };
        final HttpServletResponse raw = context.mock(HttpServletResponse.class);
        context.checking(new Expectations() {
            {
                allowing(raw).getOutputStream();
                will(returnValue(sos));
            }
        });

        r = new RequestLoggerResponse(null, raw);
    }

    @Test(expected = ClientAbortException.class)
    public void writeInt() throws IOException {
        r.getOutputStream().write(42);
    }

    @Test(expected = ClientAbortException.class)
    public void writeSimpleByteArray() throws IOException {
        r.getOutputStream().write("foo".getBytes());
    }

    @Test(expected = ClientAbortException.class)
    public void writeByteArray() throws IOException {
        final byte[] data = "bar".getBytes();
        r.getOutputStream().write(data, 0, data.length);
    }

    @Test(expected = ClientAbortException.class)
    public void flush() throws IOException {
        r.getOutputStream().flush();
    }

    @Test(expected = ClientAbortException.class)
    public void close() throws IOException {
        r.getOutputStream().close();
    }
}