netty5/codec-http2/src/test/java/io/netty/handler/codec/http2/HpackEncoderTest.java

102 lines
3.7 KiB
Java

/*
* Copyright 2017 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 org.junit.Before;
import org.junit.Test;
import static io.netty.handler.codec.http2.Http2CodecUtil.DEFAULT_HEADER_LIST_SIZE;
import static io.netty.handler.codec.http2.Http2CodecUtil.MAX_HEADER_TABLE_SIZE;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
public class HpackEncoderTest {
private HpackDecoder hpackDecoder;
private HpackEncoder hpackEncoder;
private Http2Headers mockHeaders;
@Before
public void setUp() {
hpackEncoder = new HpackEncoder();
hpackDecoder = new HpackDecoder(DEFAULT_HEADER_LIST_SIZE);
mockHeaders = mock(Http2Headers.class);
}
@Test
public void testSetMaxHeaderTableSizeToMaxValue() throws Http2Exception {
ByteBuf buf = Unpooled.buffer();
hpackEncoder.setMaxHeaderTableSize(buf, MAX_HEADER_TABLE_SIZE);
hpackDecoder.setMaxHeaderTableSize(MAX_HEADER_TABLE_SIZE);
hpackDecoder.decode(0, buf, mockHeaders, true);
assertEquals(MAX_HEADER_TABLE_SIZE, hpackDecoder.getMaxHeaderTableSize());
buf.release();
}
@Test(expected = Http2Exception.class)
public void testSetMaxHeaderTableSizeOverflow() throws Http2Exception {
ByteBuf buf = Unpooled.buffer();
try {
hpackEncoder.setMaxHeaderTableSize(buf, MAX_HEADER_TABLE_SIZE + 1);
} finally {
buf.release();
}
}
/**
* The encoder should not impose an arbitrary limit on the header size if
* the server has not specified any limit.
* @throws Http2Exception
*/
@Test
public void testWillEncode16MBHeaderByDefault() throws Http2Exception {
ByteBuf buf = Unpooled.buffer();
String bigHeaderName = "x-big-header";
int bigHeaderSize = 1024 * 1024 * 16;
String bigHeaderVal = new String(new char[bigHeaderSize]).replace('\0', 'X');
Http2Headers headersIn = new DefaultHttp2Headers().add(
"x-big-header", bigHeaderVal);
Http2Headers headersOut = new DefaultHttp2Headers();
try {
hpackEncoder.encodeHeaders(0, buf, headersIn, Http2HeadersEncoder.NEVER_SENSITIVE);
hpackDecoder.setMaxHeaderListSize(bigHeaderSize + 1024);
hpackDecoder.decode(0, buf, headersOut, false);
} finally {
buf.release();
}
assertEquals(headersOut.get(bigHeaderName).toString(), bigHeaderVal);
}
@Test(expected = Http2Exception.class)
public void testSetMaxHeaderListSizeEnforcedAfterSet() throws Http2Exception {
ByteBuf buf = Unpooled.buffer();
Http2Headers headers = new DefaultHttp2Headers().add(
"x-big-header",
new String(new char[1024 * 16]).replace('\0', 'X')
);
hpackEncoder.setMaxHeaderListSize(1000);
try {
hpackEncoder.encodeHeaders(0, buf, headers, Http2HeadersEncoder.NEVER_SENSITIVE);
} finally {
buf.release();
}
}
}