001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.http.commons.responses;
019
020import static java.nio.charset.StandardCharsets.UTF_8;
021import static org.junit.Assert.assertEquals;
022
023import java.io.ByteArrayInputStream;
024import java.io.IOException;
025import java.io.InputStream;
026
027import org.apache.commons.io.IOUtils;
028import org.junit.Test;
029
030/**
031 * <p>RangeRequestInputStreamTest class.</p>
032 *
033 * @author awoods
034 */
035public class RangeRequestInputStreamTest {
036    @Test
037    public void shouldLimitTheInputStream() throws IOException {
038        final InputStream in = new ByteArrayInputStream("0123456789".getBytes());
039        try (final RangeRequestInputStream out = new RangeRequestInputStream(in, 5L, 3L)) {
040            final String s = IOUtils.toString(out, UTF_8);
041            assertEquals("567", s);
042        }
043    }
044
045
046    @Test
047    public void shouldAcceptUnboundedRanges() throws IOException {
048        final InputStream in = new ByteArrayInputStream("0123456789".getBytes());
049        try (final RangeRequestInputStream out = new RangeRequestInputStream(in, 0L, -1L)) {
050            final String s = IOUtils.toString(out, UTF_8);
051            assertEquals("0123456789", s);
052        }
053    }
054
055    @Test
056    public void getGetLongRange() throws IOException {
057        final StringBuffer buf = new StringBuffer();
058        while ( buf.length() < 9000 ) {
059            buf.append("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
060        }
061        final InputStream in = new ByteArrayInputStream(buf.toString().getBytes());
062        try (final RangeRequestInputStream out = new RangeRequestInputStream(in, 0L, 9000)) {
063            assertEquals(9000, IOUtils.toString(out, UTF_8).length());
064        }
065    }
066}