Java example source code file (AbstractMemoryHttpDataTest.java)

This example Java source code file (AbstractMemoryHttpDataTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

abstractmemoryhttpdatatest, bytearrayinputstream, bytebuf, charset, httpdata, override, random, securerandom, security, should, testhttpdata, unsupportedoperationexception, utf_8, util

The AbstractMemoryHttpDataTest.java Java example source code

/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project 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 io.netty.handler.codec.http.multipart;

import io.netty.buffer.ByteBuf;
import org.junit.Test;

import java.io.ByteArrayInputStream;
import java.nio.charset.Charset;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Random;

import static io.netty.util.CharsetUtil.*;
import static org.junit.Assert.*;

/** {@link AbstractMemoryHttpData} test cases. */
public class AbstractMemoryHttpDataTest {
    /**
     * Provide content into HTTP data with input stream.
     *
     * @throws Exception In case of any exception.
     */
    @Test
    public void testSetContentFromStream() throws Exception {
        Random random = new SecureRandom();

        for (int i = 0; i < 20; i++) {
            // Generate input data bytes.
            int size = random.nextInt(Short.MAX_VALUE);
            byte[] bytes = new byte[size];

            random.nextBytes(bytes);

            // Generate parsed HTTP data block.
            TestHttpData data = new TestHttpData("name", UTF_8, 0);

            data.setContent(new ByteArrayInputStream(bytes));

            // Validate stored data.
            ByteBuf buffer = data.getByteBuf();

            assertEquals(0, buffer.readerIndex());
            assertEquals(bytes.length, buffer.writerIndex());
            assertArrayEquals(bytes, Arrays.copyOf(buffer.array(), bytes.length));
        }
    }

    /** Memory-based HTTP data implementation for test purposes. */
    private static final class TestHttpData extends AbstractMemoryHttpData {
        /**
         * Constructs HTTP data for tests.
         *
         * @param name    Name of parsed data block.
         * @param charset Used charset for data decoding.
         * @param size    Expected data block size.
         */
        private TestHttpData(String name, Charset charset, long size) {
            super(name, charset, size);
        }

        @Override
        public InterfaceHttpData.HttpDataType getHttpDataType() {
            throw reject();
        }

        @Override
        public HttpData copy() {
            throw reject();
        }

        @Override
        public HttpData duplicate() {
            throw reject();
        }

        @Override
        public HttpData retainedDuplicate() {
            throw reject();
        }

        @Override
        public HttpData replace(ByteBuf content) {
            return null;
        }

        @Override
        public int compareTo(InterfaceHttpData o) {
            throw reject();
        }

        @Override
        public int hashCode() {
            return super.hashCode();
        }

        @Override
        public boolean equals(Object obj) {
            return super.equals(obj);
        }

        private static UnsupportedOperationException reject() {
            throw new UnsupportedOperationException("Should never be called.");
        }
    }
}