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Add WebClient integration test for multipart

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This commit adds an integration test for `WebClient`, specifically
testing that a failure happening while pulishing the request body is
reported on the main reactive pipeline.

See gh-35678
This commit is contained in:
Brian Clozel
2025-11-14 16:34:15 +01:00
parent 18d8d458e3
commit 1260081436
1 changed files with 30 additions and 0 deletions
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spring-webflux/src/test/java/org/springframework/web/reactive/function/client/WebClientIntegrationTests.java
+30
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@@ -71,12 +71,14 @@ import org.springframework.http.HttpStatusCode;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseCookie;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.MultipartBodyBuilder;
import org.springframework.http.client.reactive.ClientHttpConnector;
import org.springframework.http.client.reactive.HttpComponentsClientHttpConnector;
import org.springframework.http.client.reactive.JdkClientHttpConnector;
import org.springframework.http.client.reactive.JettyClientHttpConnector;
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
import org.springframework.web.reactive.function.BodyExtractors;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.WebClient.ResponseSpec;
import org.springframework.web.testfixture.xml.Pojo;
@@ -1320,6 +1322,34 @@ class WebClientIntegrationTests {
.verify(Duration.ofSeconds(3));
}
@ParameterizedWebClientTest
void failWhileSendingMultipartRequest(ClientHttpConnector connector) throws IOException {
startServer(connector);
prepareResponse(response -> response
.setHeader("Content-Type", "text/plain").body("Hello"));
MultipartBodyBuilder data = new MultipartBodyBuilder();
data.part("first", "success");
data.asyncPart("second",
Mono.delay(Duration.ofMillis(500)).then(Mono.error(new IllegalStateException("multipart client error"))),
String.class);
Mono<ResponseEntity<String>> result = this.webClient.post()
.uri("/multipart").accept(MediaType.TEXT_PLAIN)
.body(BodyInserters.fromMultipartData(data.build()))
.retrieve()
.toEntity(String.class)
.log();
StepVerifier.create(result)
.expectErrorSatisfies(error -> assertThat(error)
.isInstanceOf(WebClientRequestException.class)
.hasMessageContaining("multipart client error"))
.verify(Duration.ofSeconds(5));
expectRequestCount(0);
}
private <T> Mono<T> doMalformedChunkedResponseTest(
ClientHttpConnector connector, Function<ResponseSpec, Mono<T>> handler) {