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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
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*/
package org.apache.hc.core5.http.message;
import java.nio.charset.StandardCharsets;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpHeaders;
import org.apache.hc.core5.http.HttpMessage;
import org.apache.hc.core5.http.io.entity.HttpEntityWithTrailers;
import org.apache.hc.core5.http.io.entity.StringEntity;
import org.apache.hc.core5.util.CharArrayBuffer;
import org.junit.Assert;
import org.junit.Test;
public class TestMessageSupport {
private static Set makeSet(final String... tokens) {
if (tokens == null) {
return null;
}
final Set set = new LinkedHashSet<>();
for (final String token: tokens) {
set.add(token);
}
return set;
}
@Test
public void testTokenSetFormatting() throws Exception {
final Header header = MessageSupport.format(HttpHeaders.TRAILER, makeSet("z", "b", "a"));
Assert.assertNotNull(header);
Assert.assertEquals("a, b, z", header.getValue());
}
@Test
public void testTokenSetFormattingSameName() throws Exception {
final Header header = MessageSupport.format(HttpHeaders.TRAILER, makeSet("a", "a", "a"));
Assert.assertNotNull(header);
Assert.assertEquals("a", header.getValue());
}
@Test
public void testTokensFormattingSameName() throws Exception {
final Header header = MessageSupport.format(HttpHeaders.TRAILER, "a", "a", "a");
Assert.assertNotNull(header);
Assert.assertEquals("a, a, a", header.getValue());
}
@Test
public void testTrailerNoTrailers() throws Exception {
final Header header = MessageSupport.format(HttpHeaders.TRAILER);
Assert.assertNull(header);
}
@Test
public void testParseTokens() throws Exception {
final String s = "a, b, c, c";
final ParserCursor cursor = new ParserCursor(0, s.length());
Assert.assertEquals(makeSet("a", "b", "c"), MessageSupport.parseTokens(s, cursor));
}
@Test
public void testParseTokenHeader() throws Exception {
final Header header = new BasicHeader(HttpHeaders.TRAILER, "a, b, c, c");
Assert.assertEquals(makeSet("a", "b", "c"), MessageSupport.parseTokens(header));
}
@Test
public void testParseTokenBufferedHeader() throws Exception {
final CharArrayBuffer buf = new CharArrayBuffer(128);
buf.append("stuff: a, b, c, c");
final Header header = BufferedHeader.create(buf);
Assert.assertEquals(makeSet("a", "b", "c"), MessageSupport.parseTokens(header));
}
@Test
public void testAddContentHeaders() throws Exception {
final HttpEntityWithTrailers entity = new HttpEntityWithTrailers(
new StringEntity("some stuff with trailers", StandardCharsets.US_ASCII),
new BasicHeader("z", "this"), new BasicHeader("b", "that"), new BasicHeader("a", "this and that"));
final HttpMessage message = new BasicHttpResponse(200);
MessageSupport.addTrailerHeader(message, entity);
MessageSupport.addContentTypeHeader(message, entity);
final Header h1 = message.getFirstHeader(HttpHeaders.TRAILER);
final Header h2 = message.getFirstHeader(HttpHeaders.CONTENT_TYPE);
Assert.assertNotNull(h1);
Assert.assertEquals("a, b, z", h1.getValue());
Assert.assertNotNull(h2);
Assert.assertEquals("text/plain; charset=US-ASCII", h2.getValue());
}
@Test
public void testContentHeadersAlreadyPresent() throws Exception {
final HttpEntityWithTrailers entity = new HttpEntityWithTrailers(
new StringEntity("some stuff with trailers", StandardCharsets.US_ASCII),
new BasicHeader("z", "this"), new BasicHeader("b", "that"), new BasicHeader("a", "this and that"));
final HttpMessage message = new BasicHttpResponse(200);
message.addHeader(HttpHeaders.TRAILER, "a, a, a");
message.addHeader(HttpHeaders.CONTENT_TYPE, "text/plain; charset=ascii");
MessageSupport.addTrailerHeader(message, entity);
MessageSupport.addContentTypeHeader(message, entity);
final Header h1 = message.getFirstHeader(HttpHeaders.TRAILER);
final Header h2 = message.getFirstHeader(HttpHeaders.CONTENT_TYPE);
Assert.assertNotNull(h1);
Assert.assertEquals("a, a, a", h1.getValue());
Assert.assertNotNull(h2);
Assert.assertEquals("text/plain; charset=ascii", h2.getValue());
}
}