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Document exception wrapping in RestClient status handlers

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This commit documents the fact that any (Unchecked)IOExceptions or
HttpMessageNotReadableExceptions thrown from the error handler will be
wrapped in a RestClientException.

Closes gh-31783
This commit is contained in:
Arjen Poutsma
2023-12-12 13:31:27 +01:00
parent 240a75f313
commit 134bb6e31f
3 changed files with 39 additions and 1 deletions
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21
spring-web/src/test/java/org/springframework/web/client/RestClientIntegrationTests.java
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@@ -592,6 +592,27 @@ class RestClientIntegrationTests {
expectRequest(request -> assertThat(request.getPath()).isEqualTo("/greeting"));
}
@ParameterizedRestClientTest
void statusHandlerIOException(ClientHttpRequestFactory requestFactory) {
startServer(requestFactory);
prepareResponse(response -> response.setResponseCode(500)
.setHeader("Content-Type", "text/plain").setBody("Internal Server error"));
assertThatExceptionOfType(RestClientException.class).isThrownBy(() ->
this.restClient.get()
.uri("/greeting")
.retrieve()
.onStatus(HttpStatusCode::is5xxServerError, (request, response) -> {
throw new IOException("500 error!");
})
.body(String.class)
).withCauseInstanceOf(IOException.class);
expectRequestCount(1);
expectRequest(request -> assertThat(request.getPath()).isEqualTo("/greeting"));
}
@ParameterizedRestClientTest
void statusHandlerParameterizedTypeReference(ClientHttpRequestFactory requestFactory) {
startServer(requestFactory);