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Add multipart support to ServerWebExchange
Issue: SPR-14546
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120 changes: 120 additions & 0 deletions
120
...web/src/test/java/org/springframework/http/server/reactive/MultipartIntegrationTests.java
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| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.springframework.http.server.reactive; | ||
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| import java.net.URI; | ||
| import java.util.Optional; | ||
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| import static org.junit.Assert.*; | ||
| import org.junit.Test; | ||
| import reactor.core.publisher.Mono; | ||
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| 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.util.LinkedMultiValueMap; | ||
| import org.springframework.util.MultiValueMap; | ||
| import org.springframework.web.client.RestTemplate; | ||
| import org.springframework.http.codec.multipart.Part; | ||
| import org.springframework.web.server.ServerWebExchange; | ||
| import org.springframework.web.server.WebHandler; | ||
| import org.springframework.web.server.adapter.HttpWebHandlerAdapter; | ||
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| public class MultipartIntegrationTests extends AbstractHttpHandlerIntegrationTests { | ||
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| @Override | ||
| protected HttpHandler createHttpHandler() { | ||
| HttpWebHandlerAdapter handler = new HttpWebHandlerAdapter(new CheckRequestHandler()); | ||
| return handler; | ||
| } | ||
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| @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()); | ||
| } | ||
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| 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; | ||
| } | ||
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| public static class CheckRequestHandler implements WebHandler { | ||
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| @Override | ||
| public Mono<Void> handle(ServerWebExchange exchange) { | ||
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| if (exchange.getRequest().getURI().getPath().equals("/form-parts")) { | ||
| return assertGetFormParts(exchange); | ||
| } | ||
| return Mono.error(new AssertionError()); | ||
| } | ||
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| 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(); | ||
| } | ||
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| private void assertFooPart(Part part) { | ||
| assertEquals("fooPart", part.getName()); | ||
| Optional<String> filename = part.getFilename(); | ||
| assertTrue(filename.isPresent()); | ||
| assertEquals("foo.txt", filename.get()); | ||
| DataBuffer buffer = part | ||
| .getContent() | ||
| .reduce((s1, s2) -> s1.write(s2)) | ||
| .block(); | ||
| assertEquals(12, buffer.readableByteCount()); | ||
| byte[] byteContent = new byte[12]; | ||
| buffer.read(byteContent); | ||
| assertEquals("Lorem\nIpsum\n", new String(byteContent)); | ||
| } | ||
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| private void assertBarPart(Part part) { | ||
| assertEquals("barPart", part.getName()); | ||
| Optional<String> filename = part.getFilename(); | ||
| assertFalse(filename.isPresent()); | ||
| assertEquals("bar", part.getContentAsString().block()); | ||
| } | ||
| } | ||
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| } |