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

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Here is the source code for com.mobius.software.mqtt.parser.test.TestConnack.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.ByteBufAllocator;
import io.netty.buffer.ByteBufUtil;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.FixedLengthFrameDecoder;

import java.io.UnsupportedEncodingException;

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.ConnackCode;
import com.mobius.software.mqtt.parser.avps.MessageType;
import com.mobius.software.mqtt.parser.exceptions.MalformedMessageException;
import com.mobius.software.mqtt.parser.header.impl.Connack;

public class TestConnack {

    private Connack expected;
    EmbeddedChannel channel;
    ByteBufAllocator alloc;

    @Before
    public void setUp() {
        channel = new EmbeddedChannel(new FixedLengthFrameDecoder(10000));
        alloc = channel.alloc();
        expected = new Connack(true, ConnackCode.ACCEPTED);
    }

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

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

    @Test
    public void testNegativeByteContent() throws UnsupportedEncodingException, MalformedMessageException {
        Connack actual = (Connack) MQParser.decode(MQParser.encode(expected));
        actual.setSessionPresent(false); // mismatch
        assertFalse("Invalid binary content",
                ByteBufUtil.equals(MQParser.encode(expected), MQParser.encode(actual)));
    }

    @Test
    public void testPositiveConstants() {
        assertEquals("Invalid length", expected.getLength(), 2);
    }

    @Test
    public void testNegativeConstants() {
        for (MessageType type : MessageType.values())
            if (!type.equals(MessageType.CONNACK))
                assertFalse(String.format("Invalid default type: %s", type.toString()),
                        expected.getType().equals(type));
        assertFalse(String.format("Invalid length: %d", expected.getLength()), expected.getLength() != 2);
    }

}