Package org.apache.qpid.proton

Source Code of org.apache.qpid.proton.InteropTest

/*
* 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.qpid.proton;

import org.apache.qpid.proton.TestDecoder;
import org.apache.qpid.proton.ProtonFactoryLoader;
import org.apache.qpid.proton.amqp.Binary;
import org.apache.qpid.proton.amqp.DescribedType;
import org.apache.qpid.proton.amqp.Symbol;
import org.apache.qpid.proton.amqp.messaging.AmqpValue;
import org.apache.qpid.proton.message.Message;
import org.apache.qpid.proton.message.MessageFactory;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertArrayEquals;
import org.junit.Test;
import java.lang.System;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Vector;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;

public class InteropTest
{

    static private File findTestsInteropDir()
    {
        File f = new File(System.getProperty("user.dir"));
        while (f != null && !f.getName().equals("tests"))
            f = f.getParentFile();
        if (f != null && f.isDirectory())
            return new File(f, "interop");
        else
            throw new Error("Cannot find tests/interop directory");
    }

    static File testsInteropDir = findTestsInteropDir();

    byte[] getBytes(String name) throws IOException
    {
        File f = new File(testsInteropDir, name + ".amqp");
        byte[] data = new byte[(int) f.length()];
        FileInputStream fi = new FileInputStream(f);
        assertEquals(f.length(), fi.read(data));
        fi.close();
        return data;
    }

    Message decodeMessage(String name) throws IOException
    {
        byte[] data = getBytes(name);
        MessageFactory mf = new ProtonFactoryLoader<MessageFactory>(MessageFactory.class).loadFactory();
        Message m = mf.createMessage();
        m.decode(data, 0, data.length);
        return m;
    }

    TestDecoder createDecoder(byte[] data)
    {
        TestDecoder td = new TestDecoder(data);
        return td;
    }

    @Test
    public void testMessage() throws IOException
    {
        Message m = decodeMessage("message");
        Binary b = (Binary) (((AmqpValue) m.getBody()).getValue());
        String s = createDecoder(b.getArray()).readString();
        assertEquals("hello", s);
    }

    @Test
    public void testPrimitives() throws IOException
    {
        TestDecoder d = createDecoder(getBytes("primitives"));
        assertEquals(true, d.readBoolean());
        assertEquals(false, d.readBoolean());
        assertEquals(d.readUnsignedByte().intValue(), 42);
        assertEquals(42, d.readUnsignedShort().intValue());
        assertEquals(-42, d.readShort().intValue());
        assertEquals(12345, d.readUnsignedInteger().intValue());
        assertEquals(-12345, d.readInteger().intValue());
        assertEquals(12345, d.readUnsignedLong().longValue());
        assertEquals(-12345, d.readLong().longValue());
        assertEquals(0.125, d.readFloat().floatValue(), 0e-10);
        assertEquals(0.125, d.readDouble().doubleValue(), 0e-10);
    }

    @Test
    public void testStrings() throws IOException
    {
        TestDecoder d = createDecoder(getBytes("strings"));
        assertEquals(new Binary("abc\0defg".getBytes("UTF-8")), d.readBinary());
        assertEquals("abcdefg", d.readString());
        assertEquals(Symbol.valueOf("abcdefg"), d.readSymbol());
        assertEquals(new Binary(new byte[0]), d.readBinary());
        assertEquals("", d.readString());
        assertEquals(Symbol.valueOf(""), d.readSymbol());
    }

    @Test
    public void testDescribed() throws IOException
    {
        TestDecoder d = createDecoder(getBytes("described"));
        DescribedType dt = (DescribedType) (d.readObject());
        assertEquals(Symbol.valueOf("foo-descriptor"), dt.getDescriptor());
        assertEquals("foo-value", dt.getDescribed());

        dt = (DescribedType) (d.readObject());
        assertEquals(12, dt.getDescriptor());
        assertEquals(13, dt.getDescribed());
    }

    @Test
    public void testDescribedArray() throws IOException
    {
        TestDecoder d = createDecoder(getBytes("described_array"));
        DescribedType a[] = (DescribedType[]) (d.readArray());
        for (int i = 0; i < 10; ++i)
        {
            assertEquals(Symbol.valueOf("int-array"), a[i].getDescriptor());
            assertEquals(i, a[i].getDescribed());
        }
    }

    @Test
    public void testArrays() throws IOException
    {
        TestDecoder d = createDecoder(getBytes("arrays"));

        // int array
        Vector<Integer> ints = new Vector<Integer>();
        for (int i = 0; i < 100; ++i)
            ints.add(new Integer(i));
        assertArrayEquals(ints.toArray(), d.readArray());

        // String array
        String strings[] =
        { "a", "b", "c" };
        assertArrayEquals(strings, d.readArray());

        // Empty array
        assertArrayEquals(new Integer[0], d.readArray());
    }

    @Test
    public void testLists() throws IOException
    {
        TestDecoder d = createDecoder(getBytes("lists"));
        List<Object> l = new ArrayList<Object>()
        {
            {
                add(new Integer(32));
                add("foo");
                add(new Boolean(true));
            }
        };
        assertEquals(l, d.readList());
        l.clear();
        assertEquals(l, d.readList());
    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    @Test
    public void testMaps() throws IOException
    {
        TestDecoder d = createDecoder(getBytes("maps"));
        Map map = new HashMap()
        {
            {
                put("one", 1);
                put("two", 2);
                put("three", 3);
            }
        };
        assertEquals(map, d.readMap());

        map = new HashMap()
        {
            {
                put(1, "one");
                put(2, "two");
                put(3, "three");
            }
        };
        assertEquals(map, d.readMap());

        map = new HashMap();
        assertEquals(map, d.readMap());
    }
}
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