/*
* Copyright 2002-2017 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 org.junit.Test;
import reactor.core.publisher.Mono;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.RequestEntity;
import org.springframework.http.ResponseEntity;
import org.springframework.http.codec.multipart.FilePart;
import org.springframework.http.codec.multipart.FormFieldPart;
import org.springframework.http.codec.multipart.Part;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebHandler;
import org.springframework.web.server.adapter.HttpWebHandlerAdapter;
import static org.junit.Assert.*;
/**
* @author Sebastien Deleuze
*/
public class MultipartIntegrationTests extends AbstractHttpHandlerIntegrationTests {
@Override
protected HttpHandler createHttpHandler() {
return new HttpWebHandlerAdapter(new CheckRequestHandler());
}
@Test
public void getFormParts() throws Exception {
RestTemplate restTemplate = new RestTemplate();
RequestEntity<MultiValueMap<String, Object>> request = RequestEntity
.post(new URI("http://localhost:" + port + "/form-parts"))
.contentType(MediaType.MULTIPART_FORM_DATA)
.body(generateBody());
ResponseEntity<Void> response = restTemplate.exchange(request, Void.class);
assertEquals(HttpStatus.OK, response.getStatusCode());
}
private MultiValueMap<String, Object> generateBody() {
HttpHeaders fooHeaders = new HttpHeaders();
fooHeaders.setContentType(MediaType.TEXT_PLAIN);
ClassPathResource fooResource = new ClassPathResource("org/springframework/http/codec/multipart/foo.txt");
HttpEntity<ClassPathResource> fooPart = new HttpEntity<>(fooResource, fooHeaders);
HttpEntity<String> barPart = new HttpEntity<>("bar");
MultiValueMap<String, Object> parts = new LinkedMultiValueMap<>();
parts.add("fooPart", fooPart);
parts.add("barPart", barPart);
return parts;
}
public static class CheckRequestHandler implements WebHandler {
@Override
public Mono<Void> handle(ServerWebExchange exchange) {
if (exchange.getRequest().getURI().getPath().equals("/form-parts")) {
return assertGetFormParts(exchange);
}
return Mono.error(new AssertionError());
}
private Mono<Void> assertGetFormParts(ServerWebExchange exchange) {
return exchange
.getMultipartData()
.doOnNext(parts -> {
assertEquals(2, parts.size());
assertTrue(parts.containsKey("fooPart"));
assertFooPart(parts.getFirst("fooPart"));
assertTrue(parts.containsKey("barPart"));
assertBarPart(parts.getFirst("barPart"));
})
.then();
}
private void assertFooPart(Part part) {
assertEquals("fooPart", part.name());
assertTrue(part instanceof FilePart);
assertEquals("foo.txt", ((FilePart) part).filename());
DataBuffer buffer = part
.content()
.reduce(DataBuffer::write)
.block();
assertEquals(12, buffer.readableByteCount());
byte[] byteContent = new byte[12];
buffer.read(byteContent);
assertEquals("Lorem Ipsum.", new String(byteContent));
}
private void assertBarPart(Part part) {
assertEquals("barPart", part.name());
assertTrue(part instanceof FormFieldPart);
assertEquals("bar", ((FormFieldPart) part).value());
}
}
}