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package org.apache.james.mime4j.dom;
import junit.framework.TestCase;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.james.mime4j.dom.Header;
import org.apache.james.mime4j.field.DefaultFieldParser;
import org.apache.james.mime4j.message.HeaderImpl;
import org.apache.james.mime4j.message.DefaultMessageWriter;
import org.apache.james.mime4j.stream.Field;
import org.apache.james.mime4j.util.ByteArrayBuffer;
import org.apache.james.mime4j.util.ContentUtil;
public class HeaderTest extends TestCase {
public static final String SUBJECT = "Subject: test";
public static final String TO = "To: anyuser <any@user>";
public void testHeader() throws Exception {
Header header = new HeaderImpl();
header.addField(DefaultFieldParser.parse(SUBJECT));
header.addField(DefaultFieldParser.parse(TO));
assertNotNull("Subject found", header.getField("Subject"));
assertNotNull("To found", header.getField("To"));
assertEquals("Headers equals", SUBJECT + "\r\n" + TO + "\r\n", header
.toString());
}
private static final String SWISS_GERMAN_HELLO = "Gr\374ezi_z\344m\344";
public void testWriteSpecialCharacters() throws Exception {
String hello = SWISS_GERMAN_HELLO;
Header header = new HeaderImpl();
header.addField(DefaultFieldParser.parse("Hello: " + hello));
Field field = header.getField("Hello");
assertNotNull(field);
// field.getBody is already a 7 bit ASCII string, after MIME4J-151
// assertEquals(hello, field.getBody());
assertEquals(SWISS_GERMAN_HELLO, field.getBody());
ByteArrayOutputStream outstream = new ByteArrayOutputStream();
DefaultMessageWriter writer = new DefaultMessageWriter();
writer.writeHeader(header, outstream);
byte[] b = outstream.toByteArray();
ByteArrayBuffer buf = new ByteArrayBuffer(b.length);
buf.append(b, 0, b.length);
String s = ContentUtil.decode(buf);
assertEquals("Hello: " + SWISS_GERMAN_HELLO + "\r\n\r\n", s);
}
public void testRemoveFields() throws Exception {
Header header = new HeaderImpl();
header.addField(DefaultFieldParser.parse("Received: from foo by bar for james"));
header.addField(DefaultFieldParser.parse("Content-type: text/plain; charset=US-ASCII"));
header.addField(DefaultFieldParser.parse("ReCeIvEd: from bar by foo for james"));
assertEquals(3, header.getFields().size());
assertEquals(2, header.getFields("received").size());
assertEquals(1, header.getFields("Content-Type").size());
assertEquals(2, header.removeFields("rEcEiVeD"));
assertEquals(1, header.getFields().size());
assertEquals(0, header.getFields("received").size());
assertEquals(1, header.getFields("Content-Type").size());
assertEquals("Content-type", header.getFields().get(0).getName());
}
public void testRemoveNonExistantField() throws Exception {
Header header = new HeaderImpl();
header.addField(DefaultFieldParser.parse("Received: from foo by bar for james"));
header.addField(DefaultFieldParser.parse("Content-type: text/plain; charset=US-ASCII"));
header.addField(DefaultFieldParser.parse("ReCeIvEd: from bar by foo for james"));
assertEquals(0, header.removeFields("noSuchField"));
assertEquals(3, header.getFields().size());
assertEquals(2, header.getFields("received").size());
assertEquals(1, header.getFields("Content-Type").size());
}
public void testSetField() throws Exception {
Header header = new HeaderImpl();
header.addField(DefaultFieldParser.parse("From: mime4j@james.apache.org"));
header.addField(DefaultFieldParser.parse("Received: from foo by bar for james"));
header.addField(DefaultFieldParser.parse("Content-type: text/plain; charset=US-ASCII"));
header.addField(DefaultFieldParser.parse("ReCeIvEd: from bar by foo for james"));
header.setField(DefaultFieldParser.parse("received: from nobody by noone for james"));
assertEquals(3, header.getFields().size());
assertEquals(1, header.getFields("received").size());
assertEquals("From", header.getFields().get(0).getName());
assertEquals("received", header.getFields().get(1).getName());
assertEquals("Content-type", header.getFields().get(2).getName());
}
public void testSetNonExistantField() throws Exception {
Header header = new HeaderImpl();
header.addField(DefaultFieldParser.parse("Received: from foo by bar for james"));
header.addField(DefaultFieldParser.parse("Content-type: text/plain; charset=US-ASCII"));
header.addField(DefaultFieldParser.parse("ReCeIvEd: from bar by foo for james"));
header.setField(DefaultFieldParser.parse("Message-ID: <msg9901@apache.org>"));
assertEquals(4, header.getFields().size());
assertEquals(1, header.getFields("message-id").size());
assertEquals("Message-ID", header.getFields().get(3).getName());
}
}