Java example source code file (Http2HeaderBlockIOTest.java)

This example Java source code file (Http2HeaderBlockIOTest.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

after, asciistring, before, bytebuf, defaulthttp2headersdecoder, defaulthttp2headersencoder, get, http2exception, http2headerblockiotest, http2headers, test

The Http2HeaderBlockIOTest.java Java example source code

/*
 * Copyright 2014 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.http2;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.AsciiString;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import static io.netty.handler.codec.http2.Http2TestUtil.randomString;
import static org.junit.Assert.assertEquals;

/**
 * Tests for encoding/decoding HTTP2 header blocks.
 */
public class Http2HeaderBlockIOTest {

    private DefaultHttp2HeadersDecoder decoder;
    private DefaultHttp2HeadersEncoder encoder;
    private ByteBuf buffer;

    @Before
    public void setup() {
        encoder = new DefaultHttp2HeadersEncoder();
        decoder = new DefaultHttp2HeadersDecoder(false);
        buffer = Unpooled.buffer();
    }

    @After
    public void teardown() {
        buffer.release();
    }

    @Test
    public void roundtripShouldBeSuccessful() throws Http2Exception {
        Http2Headers in = headers();
        assertRoundtripSuccessful(in);
    }

    @Test
    public void successiveCallsShouldSucceed() throws Http2Exception {
        Http2Headers in = new DefaultHttp2Headers().method(new AsciiString("GET")).scheme(new AsciiString("https"))
                        .authority(new AsciiString("example.org")).path(new AsciiString("/some/path"))
                        .add(new AsciiString("accept"), new AsciiString("*/*"));
        assertRoundtripSuccessful(in);

        in = new DefaultHttp2Headers().method(new AsciiString("GET")).scheme(new AsciiString("https"))
                        .authority(new AsciiString("example.org")).path(new AsciiString("/some/path/resource1"))
                        .add(new AsciiString("accept"), new AsciiString("image/jpeg"))
                        .add(new AsciiString("cache-control"), new AsciiString("no-cache"));
        assertRoundtripSuccessful(in);

        in = new DefaultHttp2Headers().method(new AsciiString("GET")).scheme(new AsciiString("https"))
                        .authority(new AsciiString("example.org")).path(new AsciiString("/some/path/resource2"))
                        .add(new AsciiString("accept"), new AsciiString("image/png"))
                        .add(new AsciiString("cache-control"), new AsciiString("no-cache"));
        assertRoundtripSuccessful(in);
    }

    @Test
    public void setMaxHeaderSizeShouldBeSuccessful() throws Http2Exception {
        encoder.headerTable().maxHeaderTableSize(10);
        Http2Headers in = headers();
        assertRoundtripSuccessful(in);
        assertEquals(10, decoder.headerTable().maxHeaderTableSize());
    }

    private void assertRoundtripSuccessful(Http2Headers in) throws Http2Exception {
        encoder.encodeHeaders(in, buffer);

        Http2Headers out = decoder.decodeHeaders(buffer);
        assertEquals(in, out);
    }

    private static Http2Headers headers() {
        return new DefaultHttp2Headers(false).method(new AsciiString("GET")).scheme(new AsciiString("https"))
        .authority(new AsciiString("example.org")).path(new AsciiString("/some/path/resource2"))
                .add(new AsciiString("accept"), new AsciiString("image/png"))
                .add(new AsciiString("cache-control"), new AsciiString("no-cache"))
                .add(new AsciiString("custom"), new AsciiString("value1"))
                .add(new AsciiString("custom"), new AsciiString("value2"))
                .add(new AsciiString("custom"), new AsciiString("value3"))
                .add(new AsciiString("custom"), new AsciiString("custom4"))
                .add(randomString(), randomString());
    }
}