/*
* 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.http.server.reactive;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.util.Random;
import org.junit.Test;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.http.RequestEntity;
import org.springframework.http.ResponseEntity;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.web.client.RestTemplate;
import static org.junit.Assert.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
/**
* @author Violeta Georgieva
* @since 5.0
*/
public class WriteOnlyHandlerIntegrationTests extends AbstractHttpHandlerIntegrationTests {
private static final int REQUEST_SIZE = 4096 * 3;
private Random rnd = new Random();
private byte[] body;
@Override
protected WriteOnlyHandler createHttpHandler() {
return new WriteOnlyHandler();
}
@Test
public void writeOnly() throws Exception {
RestTemplate restTemplate = new RestTemplate();
this.body = randomBytes();
RequestEntity<byte[]> request = RequestEntity.post(
new URI("http://localhost:" + port)).body(
"".getBytes(StandardCharsets.UTF_8));
ResponseEntity<byte[]> response = restTemplate.exchange(request, byte[].class);
assertArrayEquals(body, response.getBody());
}
private byte[] randomBytes() {
byte[] buffer = new byte[REQUEST_SIZE];
rnd.nextBytes(buffer);
return buffer;
}
public class WriteOnlyHandler implements HttpHandler {
@Override
public Mono<Void> handle(ServerHttpRequest request, ServerHttpResponse response) {
DataBuffer buffer = response.bufferFactory().allocateBuffer(body.length);
buffer.write(body);
return response.writeAndFlushWith(Flux.just(Flux.just(buffer)));
}
}
}