MimeStreamTokenMessageRfc822Test.java

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package org.apache.james.mime4j.parser;

import org.apache.james.mime4j.ExampleMail;
import org.apache.james.mime4j.parser.MimeTokenStream;
import org.apache.james.mime4j.parser.RecursionMode;

import java.io.ByteArrayInputStream;

import junit.framework.TestCase;

public class MimeStreamTokenMessageRfc822Test extends TestCase {

    MimeTokenStream stream;
    
    @Override
    protected void setUp() throws Exception {
        super.setUp();
        stream = new MimeTokenStream();
        stream.parse(new ByteArrayInputStream(ExampleMail.MIME_RFC822_SIMPLE_BYTES));
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
    }
    
    public void testShouldParseMessageRFC822CorrectWithDefaultConfiguration() throws Exception {
        nextIs(MimeTokenStream.T_START_HEADER);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_END_HEADER);
        nextIs(MimeTokenStream.T_START_MESSAGE);
        nextIs(MimeTokenStream.T_START_HEADER);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_END_HEADER);
        nextIs(MimeTokenStream.T_BODY);
        nextIs(MimeTokenStream.T_END_MESSAGE);
        nextIs(MimeTokenStream.T_END_MESSAGE);
        nextIs(MimeTokenStream.T_END_OF_STREAM);
    }
    
    public void testShouldParseMessageRFC822CorrectWithNoRecurse() throws Exception {
        stream.setRecursionMode(RecursionMode.M_NO_RECURSE);
        nextIs(MimeTokenStream.T_START_HEADER);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_END_HEADER);
        nextIs(MimeTokenStream.T_BODY);
        nextIs(MimeTokenStream.T_END_MESSAGE);
        nextIs(MimeTokenStream.T_END_OF_STREAM);
    }
    
    public void testShouldParseMessageRFC822CorrectWithFlat() throws Exception {
        stream.setRecursionMode(RecursionMode.M_FLAT);
        nextIs(MimeTokenStream.T_START_HEADER);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_FIELD);
        nextIs(MimeTokenStream.T_END_HEADER);
        nextIs(MimeTokenStream.T_BODY);
        nextIs(MimeTokenStream.T_END_MESSAGE);
        nextIs(MimeTokenStream.T_END_OF_STREAM);
    }
    
    private void nextIs(int state) throws Exception {
        assertEquals(MimeTokenStream.stateToString(state), MimeTokenStream.stateToString(stream.next()));
    }
}