com.mobius.software.mqtt.parser.test.TestUnsubscribe.java Source code

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Here is the source code for com.mobius.software.mqtt.parser.test.TestUnsubscribe.java

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package com.mobius.software.mqtt.parser.test;

/**
 * Mobius Software LTD
 * Copyright 2015-2016, Mobius Software LTD
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import io.netty.buffer.ByteBufUtil;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import com.mobius.software.mqtt.parser.MQParser;
import com.mobius.software.mqtt.parser.avps.Text;
import com.mobius.software.mqtt.parser.exceptions.MalformedMessageException;
import com.mobius.software.mqtt.parser.header.impl.Unsubscribe;

public class TestUnsubscribe {

    private Unsubscribe expected;

    @Before
    public void setUp() {
        Text[] topics = { new Text("topic1"), new Text("topic2"), new Text("topic3") };
        expected = new Unsubscribe(100, topics);
    }

    @After
    public void tearDown() {
        expected = null;
    }

    @Test
    public void testPositiveByteContent() throws UnsupportedEncodingException, MalformedMessageException {
        Unsubscribe actual = (Unsubscribe) MQParser.decode(MQParser.encode(expected));
        assertTrue("Invalid binary content",
                ByteBufUtil.equals(MQParser.encode(expected), MQParser.encode(actual)));
    }

    @Test
    public void testNegativeByteContent() throws UnsupportedEncodingException, MalformedMessageException {
        Unsubscribe actual = (Unsubscribe) MQParser.decode(MQParser.encode(expected));
        actual.setPacketID(1000);
        assertFalse("Invalid binary content",
                ByteBufUtil.equals(MQParser.encode(expected), MQParser.encode(actual)));
    }

    @Test
    public void testEncodeLength() {
        List<Text> topics = new ArrayList<>();
        topics.add(new Text(new String(new byte[98])));
        Unsubscribe unsubscribe = new Unsubscribe(10, topics.toArray(new Text[topics.size()]));
        assertEquals("invalid header length", 102, unsubscribe.getLength());
        topics.add(new Text(new String(new byte[97])));
        unsubscribe.setTopics(topics.toArray(new Text[topics.size()]));
        assertEquals("invalid header length", 201, unsubscribe.getLength());
        for (int i = 0; i < 200; i++)
            topics.add(new Text(new String(new byte[98]) + new String((i + ""))));
        unsubscribe.setTopics(topics.toArray(new Text[topics.size()]));
        assertEquals("invalid header length", 20691, unsubscribe.getLength());
    }

}