/*
* 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.coyote.http2;
import org.junit.Assert;
import org.junit.Test;
/**
* Unit tests for Section 6.1 of
* <a href="https://tools.ietf.org/html/rfc7540">RFC 7540</a>.
* <br>
* The order of tests in this class is aligned with the order of the
* requirements in the RFC.
*/
public class TestHttp2Section_6_1 extends Http2TestBase {
@Test
public void testDataFrame() throws Exception {
http2Connect();
sendSimplePostRequest(3, null);
readSimplePostResponse(false);
Assert.assertEquals("0-WindowSize-[128]\n" +
"3-WindowSize-[128]\n" +
"3-HeadersStart\n" +
"3-Header-[:status]-[200]\n" +
"3-Header-[date]-[Wed, 11 Nov 2015 19:18:42 GMT]\n" +
"3-HeadersEnd\n" +
"3-Body-128\n" +
"3-EndOfStream\n", output.getTrace());
}
@Test
public void testDataFrameWithPadding() throws Exception {
http2Connect();
byte[] padding = new byte[8];
sendSimplePostRequest(3, padding);
readSimplePostResponse(true);
// The window update for the padding could occur anywhere since it
// happens on a different thead to the response.
String trace = output.getTrace();
String paddingWindowUpdate = "0-WindowSize-[9]\n3-WindowSize-[9]\n";
Assert.assertTrue(trace, trace.contains(paddingWindowUpdate));
trace = trace.replace(paddingWindowUpdate, "");
Assert.assertEquals("0-WindowSize-[119]\n" +
"3-WindowSize-[119]\n" +
"3-HeadersStart\n" +
"3-Header-[:status]-[200]\n" +
"3-Header-[date]-[Wed, 11 Nov 2015 19:18:42 GMT]\n" +
"3-HeadersEnd\n" +
"3-Body-119\n" +
"3-EndOfStream\n", trace);
}
@Test
public void testDataFrameWithNonZeroPadding() throws Exception {
http2Connect();
byte[] padding = new byte[8];
padding[4] = 0x01;
sendSimplePostRequest(3, padding);
parser.readFrame(true);
// May see Window updates depending on timing
while (output.getTrace().contains("WindowSize")) {
output.clearTrace();
parser.readFrame(true);
}
String trace = output.getTrace();
Assert.assertTrue(trace, trace.startsWith("0-Goaway-[3]-[1]-["));
}
@Test
public void testDataFrameOnStreamZero() throws Exception {
http2Connect();
byte[] dataFrame = new byte[10];
// Header
// length
ByteUtil.setThreeBytes(dataFrame, 0, 1);
// type (0 for data)
// flags (0)
// stream (0)
// payload (0)
os.write(dataFrame);
os.flush();
parser.readFrame(true);
String trace = output.getTrace();
Assert.assertTrue(trace, trace.startsWith("0-Goaway-[1]-[1]-["));
}
@Test
public void testDataFrameTooMuchPadding() throws Exception {
http2Connect();
byte[] dataFrame = new byte[10];
// Header
// length
ByteUtil.setThreeBytes(dataFrame, 0, 1);
// type 0 (data)
// flags 8 (padded)
dataFrame[4] = 0x08;
// stream 3
ByteUtil.set31Bits(dataFrame, 5, 3);
// payload (pad length of 1)
dataFrame[9] = 1;
os.write(dataFrame);
os.flush();
parser.readFrame(true);
String trace = output.getTrace();
Assert.assertTrue(trace, trace.startsWith("0-Goaway-[1]-[1]-["));
}
@Test
public void testDataFrameWithZeroLengthPadding() throws Exception {
http2Connect();
byte[] padding = new byte[0];
sendSimplePostRequest(3, padding);
// Since padding is zero length, response looks like there is none.
readSimplePostResponse(false);
Assert.assertEquals("0-WindowSize-[127]\n" +
"3-WindowSize-[127]\n" +
"3-HeadersStart\n" +
"3-Header-[:status]-[200]\n" +
"3-Header-[date]-[Wed, 11 Nov 2015 19:18:42 GMT]\n" +
"3-HeadersEnd\n" +
"3-Body-127\n" +
"3-EndOfStream\n", output.getTrace());
}
}