org.apereo.portal.portlet.container.cache.CachingPortletOutputHandlerTest.java Source code

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Here is the source code for org.apereo.portal.portlet.container.cache.CachingPortletOutputHandlerTest.java

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/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo 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 the following location:
 *
 *   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.apereo.portal.portlet.container.cache;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertNull;
import static org.junit.Assert.assertArrayEquals;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;

import org.apache.commons.io.output.NullOutputStream;
import org.apache.commons.io.output.NullWriter;
import org.apereo.portal.portlet.rendering.PortletOutputHandler;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

/**
 * Test CachingPortletOutputHandler
 * 
 * @author Eric Dalquist
 */
@RunWith(MockitoJUnitRunner.class)
public class CachingPortletOutputHandlerTest {
    @Mock
    private PortletOutputHandler portletOutputHandler;

    @Test
    public void testBasicWriterCaching() throws IOException {
        final CachingPortletOutputHandler cachingOutputHandler = new CachingPortletOutputHandler(
                portletOutputHandler, 10000);

        when(portletOutputHandler.getPrintWriter()).thenReturn(new PrintWriter(NullWriter.NULL_WRITER));

        final String output = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";

        final PrintWriter printWriter = cachingOutputHandler.getPrintWriter();
        printWriter.write(output);

        final CachedPortletData<Long> cachedPortletData = cachingOutputHandler.getCachedPortletData(1l,
                new CacheControlImpl());
        assertNotNull(cachedPortletData);
        assertEquals(output, cachedPortletData.getCachedWriterOutput());
    }

    @Test
    public void testTooMuchWriterContent() throws IOException {
        final CachingPortletOutputHandler cachingOutputHandler = new CachingPortletOutputHandler(
                portletOutputHandler, 100);

        when(portletOutputHandler.getPrintWriter()).thenReturn(new PrintWriter(NullWriter.NULL_WRITER));

        final String output = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";

        final PrintWriter printWriter = cachingOutputHandler.getPrintWriter();
        printWriter.write(output);
        printWriter.write(output);

        final CachedPortletData<Long> cachedPortletData = cachingOutputHandler.getCachedPortletData(1l,
                new CacheControlImpl());
        assertNull(cachedPortletData);
    }

    @Test
    public void testTooMuchWriterContentThenReset() throws IOException {
        final CachingPortletOutputHandler cachingOutputHandler = new CachingPortletOutputHandler(
                portletOutputHandler, 100);

        when(portletOutputHandler.getPrintWriter()).thenReturn(new PrintWriter(NullWriter.NULL_WRITER));

        final String output = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";

        final PrintWriter printWriter = cachingOutputHandler.getPrintWriter();
        printWriter.write(output);
        printWriter.write(output);

        //Verify limit was hit
        CachedPortletData<Long> cachedPortletData = cachingOutputHandler.getCachedPortletData(1l,
                new CacheControlImpl());
        assertNull(cachedPortletData);

        cachingOutputHandler.reset();

        printWriter.write(output);

        //Verify limit reset
        cachedPortletData = cachingOutputHandler.getCachedPortletData(1l, new CacheControlImpl());
        assertNotNull(cachedPortletData);
        assertEquals(output, cachedPortletData.getCachedWriterOutput());
    }

    @Test
    public void testBasicStreamCaching() throws IOException {
        final CachingPortletOutputHandler cachingOutputHandler = new CachingPortletOutputHandler(
                portletOutputHandler, 10000);

        when(portletOutputHandler.getOutputStream()).thenReturn(NullOutputStream.NULL_OUTPUT_STREAM);

        final String output = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";

        final OutputStream outputStream = cachingOutputHandler.getOutputStream();
        outputStream.write(output.getBytes());

        final CachedPortletData<Long> cachedPortletData = cachingOutputHandler.getCachedPortletData(1l,
                new CacheControlImpl());
        assertNotNull(cachedPortletData);
        assertArrayEquals(output.getBytes(), cachedPortletData.getCachedStreamOutput());
    }

    @Test
    public void testTooMuchStreamContent() throws IOException {
        final CachingPortletOutputHandler cachingOutputHandler = new CachingPortletOutputHandler(
                portletOutputHandler, 100);

        when(portletOutputHandler.getOutputStream()).thenReturn(NullOutputStream.NULL_OUTPUT_STREAM);

        final String output = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";

        final OutputStream outputStream = cachingOutputHandler.getOutputStream();
        outputStream.write(output.getBytes());
        outputStream.write(output.getBytes());

        final CachedPortletData<Long> cachedPortletData = cachingOutputHandler.getCachedPortletData(1l,
                new CacheControlImpl());
        assertNull(cachedPortletData);
    }

    @Test
    public void testTooMuchStreamContentThenReset() throws IOException {
        final CachingPortletOutputHandler cachingOutputHandler = new CachingPortletOutputHandler(
                portletOutputHandler, 100);

        when(portletOutputHandler.getOutputStream()).thenReturn(NullOutputStream.NULL_OUTPUT_STREAM);

        final String output = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";

        final OutputStream outputStream = cachingOutputHandler.getOutputStream();
        outputStream.write(output.getBytes());
        outputStream.write(output.getBytes());

        CachedPortletData<Long> cachedPortletData = cachingOutputHandler.getCachedPortletData(1l,
                new CacheControlImpl());
        assertNull(cachedPortletData);

        cachingOutputHandler.reset();

        outputStream.write(output.getBytes());

        cachedPortletData = cachingOutputHandler.getCachedPortletData(1l, new CacheControlImpl());
        assertNotNull(cachedPortletData);
        assertArrayEquals(output.getBytes(), cachedPortletData.getCachedStreamOutput());
    }
}