/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed 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.springframework.messaging.simp.stomp;
import org.junit.Test;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Test fixture for {@link StompEncoder}.
*
* @author Andy Wilkinson
* @author Stephane Maldini
*/
public class StompEncoderTests {
private final StompEncoder encoder = new StompEncoder();
@Test
public void encodeFrameWithNoHeadersAndNoBody() {
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.DISCONNECT);
Message<byte[]> frame = MessageBuilder.createMessage(new byte[0], headers.getMessageHeaders());
assertEquals("DISCONNECT\n\n\0", new String(encoder.encode(frame)));
}
@Test
public void encodeFrameWithHeaders() {
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.CONNECT);
headers.setAcceptVersion("1.2");
headers.setHost("github.org");
Message<byte[]> frame = MessageBuilder.createMessage(new byte[0], headers.getMessageHeaders());
String frameString = new String(encoder.encode(frame));
assertTrue(
"CONNECT\naccept-version:1.2\nhost:github.org\n\n\0".equals(frameString) ||
"CONNECT\nhost:github.org\naccept-version:1.2\n\n\0".equals(frameString));
}
@Test
public void encodeFrameWithHeadersThatShouldBeEscaped() {
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.DISCONNECT);
headers.addNativeHeader("a:\r\n\\b", "alpha:bravo\r\n\\");
Message<byte[]> frame = MessageBuilder.createMessage(new byte[0], headers.getMessageHeaders());
assertEquals("DISCONNECT\na\\c\\r\\n\\\\b:alpha\\cbravo\\r\\n\\\\\n\n\0",
new String(encoder.encode(frame)));
}
@Test
public void encodeFrameWithHeadersBody() {
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.SEND);
headers.addNativeHeader("a", "alpha");
Message<byte[]> frame = MessageBuilder.createMessage(
"Message body".getBytes(), headers.getMessageHeaders());
assertEquals("SEND\na:alpha\ncontent-length:12\n\nMessage body\0",
new String(encoder.encode(frame)));
}
@Test
public void encodeFrameWithContentLengthPresent() {
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.SEND);
headers.setContentLength(12);
Message<byte[]> frame = MessageBuilder.createMessage(
"Message body".getBytes(), headers.getMessageHeaders());
assertEquals("SEND\ncontent-length:12\n\nMessage body\0",
new String(encoder.encode(frame)));
}
}