/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.james.mime4j.parser;

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

import java.io.ByteArrayInputStream;

import junit.framework.TestCase;

public class MimeTokenStreamTest extends TestCase {

    MimeTokenStream stream;
    
    public void setUp() throws Exception {
        stream = new MimeTokenStream();
    }
    
    public void testSetRecursionModeBeforeParse() throws Exception {
        stream.setRecursionMode(RecursionMode.M_NO_RECURSE);
        stream.parse(new ByteArrayInputStream(ExampleMail.MAIL_WITH_RFC822_PART_BYTES));
        checkNextIs(EntityStates.T_START_HEADER);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_END_HEADER);
        checkNextIs(EntityStates.T_START_MULTIPART);
        checkNextIs(EntityStates.T_PREAMBLE);
        checkNextIs(EntityStates.T_START_BODYPART);
        checkNextIs(EntityStates.T_START_HEADER);
        checkNextIs(EntityStates.T_END_HEADER);
        checkNextIs(EntityStates.T_BODY);
        checkNextIs(EntityStates.T_END_BODYPART);
        checkNextIs(EntityStates.T_START_BODYPART);
        checkNextIs(EntityStates.T_START_HEADER);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_END_HEADER);
        checkNextIs(EntityStates.T_BODY);
        checkNextIs(EntityStates.T_END_BODYPART);
        checkNextIs(EntityStates.T_START_BODYPART);
        checkNextIs(EntityStates.T_START_HEADER);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_END_HEADER);
        checkNextIs(EntityStates.T_BODY);
        checkNextIs(EntityStates.T_END_BODYPART);
        checkNextIs(EntityStates.T_START_BODYPART);
        checkNextIs(EntityStates.T_START_HEADER);
        checkNextIs(EntityStates.T_FIELD);
        checkNextIs(EntityStates.T_END_HEADER);
        checkNextIs(EntityStates.T_BODY);
        checkNextIs(EntityStates.T_END_BODYPART);
        checkNextIs(EntityStates.T_EPILOGUE);
        checkNextIs(EntityStates.T_END_MULTIPART);
        checkNextIs(EntityStates.T_END_MESSAGE);
        checkNextIs(EntityStates.T_END_OF_STREAM);
    }
    
    private void checkNextIs(int expected) throws Exception {
        assertEquals(MimeTokenStream.stateToString(expected), MimeTokenStream.stateToString(stream.next()));        
    }
}
