ContentRangeTest.java

package eu.europeana.cloud.service.mcs.rest;

import eu.europeana.cloud.service.mcs.exception.WrongContentRangeException;
import java.math.BigInteger;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import org.junit.Test;

/**
 * ContentRangeTest
 */
public class ContentRangeTest {

    @Test
    public void testParsingProperRange()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("bytes=1-2");
        assertThat(range.getStart(), is(1L));
        assertThat(range.getEnd(), is(2L));
    }


    @Test
    public void testParsingLongNumbers()
            throws WrongContentRangeException {
        Long start = Integer.MAX_VALUE * 2L;
        Long end = Integer.MAX_VALUE * 3L;
        FileResource.ContentRange range = FileResource.ContentRange.parse(String.format("bytes=%s-%s", start, end));
        assertThat(range.getStart(), is(start));
        assertThat(range.getEnd(), is(end));
    }


    @Test
    public void testParsingOffset()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("bytes=1234-");
        assertThat(range.getStart(), is(1234L));
        assertThat(range.getEnd(), is(-1L));
    }


    @Test
    public void testParsingSingleByte()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("bytes=1234-1234");
        assertThat(range.getStart(), is(1234L));
        assertThat(range.getEnd(), is(1234L));
    }


    @Test(expected = WrongContentRangeException.class)
    public void testErrorOnParsingWhenNumberTooLarge()
            throws WrongContentRangeException {
        BigInteger tooLargeNumber = new BigInteger("" + Long.MAX_VALUE).shiftLeft(1);
        FileResource.ContentRange range = FileResource.ContentRange.parse(tooLargeNumber.toString() + "-");
    }


    @Test(expected = WrongContentRangeException.class)
    public void testErrorOnParsingWrongFormat()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("1234-");
    }


    @Test(expected = WrongContentRangeException.class)
    public void testErrorOnParsingWrongFormat1()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("bytes=-1234");
    }


    @Test(expected = WrongContentRangeException.class)
    public void testErrorOnParsingWrongFormat2()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("bytes=-1234-2000");
    }


    @Test(expected = WrongContentRangeException.class)
    public void testErrorOnParsingWrongFormat3()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("bytes=1234--2000");
    }


    @Test(expected = WrongContentRangeException.class)
    public void testErrorOnParsingWrongRange()
            throws WrongContentRangeException {
        FileResource.ContentRange range = FileResource.ContentRange.parse("bytes=1234-2");
    }
}