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package org.apache.james.mime4j;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.james.mime4j.MimeBoundaryInputStream;
import junit.framework.TestCase;
/**
*
*
*
* @version $Id: MimeBoundaryInputStreamTest.java,v 1.2 2004/10/02 12:41:11 ntherning Exp $
*/
public class MimeBoundaryInputStreamTest extends TestCase {
/**
* Tests that a CRLF immediately preceding a boundary isn't included in
* the stream.
*/
public void testCRLFPrecedingBoundary() throws IOException {
String text = "Line 1\r\nLine 2\r\n--boundary\r\n" +
"Line 3\r\nLine 4\r\n\r\n--boundary\r\n";
ByteArrayInputStream bis = new ByteArrayInputStream(text.getBytes());
assertEquals("Line 1\r\nLine 2",
read(new MimeBoundaryInputStream(bis, "boundary")));
assertEquals("Line 3\r\nLine 4\r\n",
read(new MimeBoundaryInputStream(bis, "boundary")));
}
public void testBigEnoughPushbackBuffer() throws IOException {
String text = "Line 1\r\nLine 2\r\n--boundar\r\n" +
"Line 3\r\nLine 4\r\n\r\n--boundary\r\n";
ByteArrayInputStream bis = new ByteArrayInputStream(text.getBytes());
assertEquals("Line 1\r\nLine 2\r\n--boundar\r\n" +
"Line 3\r\nLine 4\r\n",
read(new MimeBoundaryInputStream(bis, "boundary")));
}
/**
* Tests that CR characters are ignored.
*/
public void testCRIgnored() throws IOException {
}
private String read(InputStream is) throws IOException {
StringBuffer sb = new StringBuffer();
int b = 0;
while ((b = is.read()) != -1) {
sb.append((char) b);
}
return sb.toString();
}
/**
* Tests that a stream containing only a boundary is empty.
*/
public void testImmediateBoundary() throws IOException {
String text = "--boundary\r\n";
ByteArrayInputStream bis = new ByteArrayInputStream(text.getBytes());
MimeBoundaryInputStream stream =
new MimeBoundaryInputStream(bis, "boundary");
assertEquals(-1, stream.read());
text = "\r\n--boundary\r\n";
bis = new ByteArrayInputStream(text.getBytes());
stream =
new MimeBoundaryInputStream(bis, "boundary");
assertEquals(-1, stream.read());
}
/**
* Tests that hasMoreParts behave as expected.
*/
public void testHasMoreParts() throws IOException {
String text = "--boundary--\r\n";
ByteArrayInputStream bis = new ByteArrayInputStream(text.getBytes());
MimeBoundaryInputStream stream =
new MimeBoundaryInputStream(bis, "boundary");
assertFalse(stream.hasMoreParts());
assertEquals(-1, stream.read());
}
/**
* Tests that a stream containing only a boundary is empty.
*/
public void testPrefixIsBoundary() throws IOException {
String text = "Line 1\r\n\r\n--boundaryyada\r\n";
ByteArrayInputStream bis = new ByteArrayInputStream(text.getBytes());
MimeBoundaryInputStream stream =
new MimeBoundaryInputStream(bis, "boundary");
assertEquals("Line 1\r\n", read(stream));
text = "--boundaryyada\r\n";
bis = new ByteArrayInputStream(text.getBytes());
stream =
new MimeBoundaryInputStream(bis, "boundary");
assertEquals(-1, stream.read());
}
}