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Improve resolution of multi-value async model attrs

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Multi-value async attributes like Flux and Observable in the model
are treated with Collection semantics and resolved to Mono<List<?>>
prior to rendering.
This commit is contained in:
Rossen Stoyanchev
2016-11-16 14:18:09 -05:00
parent bb702ee9c0
commit a224874b43
2 changed files with 21 additions and 9 deletions
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19
spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/ViewResolutionResultHandlerTests.java
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@@ -33,6 +33,7 @@ import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import rx.Completable;
import rx.Observable;
import rx.Single;
import org.springframework.core.MethodParameter;
@@ -270,9 +271,11 @@ public class ViewResolutionResultHandlerTests {
@Test
public void modelWithAsyncAttributes() throws Exception {
this.bindingContext.getModel()
.addAttribute("bean1", Mono.just(new TestBean("Bean1")))
.addAttribute("bean2", Single.just(new TestBean("Bean2")))
.addAttribute("empty", Mono.empty());
.addAttribute("attr1", Mono.just(new TestBean("Bean1")))
.addAttribute("attr2", Flux.just(new TestBean("Bean1"), new TestBean("Bean2")))
.addAttribute("attr3", Single.just(new TestBean("Bean2")))
.addAttribute("attr4", Observable.just(new TestBean("Bean1"), new TestBean("Bean2")))
.addAttribute("attr5", Mono.empty());
ResolvableType type = forClass(void.class);
HandlerResult result = new HandlerResult(new Object(), null, returnType(type), this.bindingContext);
@@ -281,11 +284,13 @@ public class ViewResolutionResultHandlerTests {
this.request.setUri("/account");
handler.handleResult(this.exchange, result).blockMillis(5000);
assertResponseBody("account: {" +
"bean1=TestBean[name=Bean1], " +
"bean2=TestBean[name=Bean2], " +
"org.springframework.validation.BindingResult.bean1=" +
"attr1=TestBean[name=Bean1], " +
"attr2=[TestBean[name=Bean1], TestBean[name=Bean2]], " +
"attr3=TestBean[name=Bean2], " +
"attr4=[TestBean[name=Bean1], TestBean[name=Bean2]], " +
"org.springframework.validation.BindingResult.attr1=" +
"org.springframework.validation.BeanPropertyBindingResult: 0 errors, " +
"org.springframework.validation.BindingResult.bean2=" +
"org.springframework.validation.BindingResult.attr3=" +
"org.springframework.validation.BeanPropertyBindingResult: 0 errors" +
"}");
}