Merge pull request #10452 from rozagerardo/rozagerardo/JAVA-4311_improve-spring-5-weblcient-article
[JAVA-4311] Improve "Spring Webclient" article
This commit is contained in:
Loredana Crusoveanu
GitHub
commit
dd2ecbb9ee
|
|
@ -1,5 +1,6 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>spring-5-reactive</artifactId>
|
||||
|
|
@ -73,6 +74,12 @@
|
|||
<artifactId>spring-security-test</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>io.projectreactor</groupId>
|
||||
<artifactId>reactor-test</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
|
||||
|
||||
<!-- Spring WebFlux WebSession -->
|
||||
<dependency>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,24 @@
|
|||
package com.baeldung.web.reactive.client;
|
||||
|
||||
public class Foo {
|
||||
|
||||
private String name;
|
||||
|
||||
public Foo() {
|
||||
super();
|
||||
}
|
||||
|
||||
public Foo(String name) {
|
||||
super();
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -2,9 +2,10 @@ package com.baeldung.web.reactive.client;
|
|||
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
import org.springframework.boot.autoconfigure.security.reactive.ReactiveSecurityAutoConfiguration;
|
||||
|
||||
@SpringBootApplication
|
||||
public class WebClientApplication{
|
||||
@SpringBootApplication(exclude = { ReactiveSecurityAutoConfiguration.class })
|
||||
public class WebClientApplication {
|
||||
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(WebClientApplication.class, args);
|
||||
|
|
|
|||
|
|
@ -1,36 +1,18 @@
|
|||
package com.baeldung.web.reactive.client;
|
||||
|
||||
import java.net.URI;
|
||||
import java.nio.charset.Charset;
|
||||
import java.time.ZonedDateTime;
|
||||
import java.util.Collections;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.reactivestreams.Publisher;
|
||||
import org.reactivestreams.Subscriber;
|
||||
import org.springframework.http.HttpHeaders;
|
||||
import org.springframework.http.HttpMethod;
|
||||
import org.springframework.http.HttpStatus;
|
||||
import org.springframework.http.MediaType;
|
||||
import org.springframework.http.ReactiveHttpOutputMessage;
|
||||
import org.springframework.http.client.reactive.ClientHttpRequest;
|
||||
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
|
||||
import org.springframework.util.LinkedMultiValueMap;
|
||||
import org.springframework.util.MultiValueMap;
|
||||
import org.springframework.web.bind.annotation.GetMapping;
|
||||
import org.springframework.web.bind.annotation.PostMapping;
|
||||
import org.springframework.web.bind.annotation.RequestBody;
|
||||
import org.springframework.web.bind.annotation.RequestPart;
|
||||
import org.springframework.web.bind.annotation.ResponseStatus;
|
||||
import org.springframework.web.bind.annotation.RestController;
|
||||
import org.springframework.web.reactive.function.BodyInserter;
|
||||
import org.springframework.web.reactive.function.BodyInserters;
|
||||
import org.springframework.web.reactive.function.client.WebClient;
|
||||
|
||||
import io.netty.channel.ChannelOption;
|
||||
import io.netty.handler.timeout.ReadTimeoutHandler;
|
||||
import io.netty.handler.timeout.WriteTimeoutHandler;
|
||||
import reactor.core.publisher.Mono;
|
||||
import reactor.netty.http.client.HttpClient;
|
||||
|
||||
@RestController
|
||||
public class WebClientController {
|
||||
|
|
@ -43,74 +25,18 @@ public class WebClientController {
|
|||
return response;
|
||||
}
|
||||
|
||||
public void demonstrateWebClient() {
|
||||
// request
|
||||
WebClient.UriSpec<WebClient.RequestBodySpec> request1 = createWebClientWithServerURLAndDefaultValues().method(HttpMethod.POST);
|
||||
WebClient.UriSpec<WebClient.RequestBodySpec> request2 = createWebClientWithServerURLAndDefaultValues().post();
|
||||
|
||||
// request body specifications
|
||||
WebClient.RequestBodySpec uri1 = createWebClientWithServerURLAndDefaultValues().method(HttpMethod.POST)
|
||||
.uri("/resource");
|
||||
WebClient.RequestBodySpec uri2 = createWebClientWithServerURLAndDefaultValues().post()
|
||||
.uri(URI.create("/resource"));
|
||||
|
||||
// request header specification
|
||||
WebClient.RequestHeadersSpec<?> requestSpec1 = uri1.body(BodyInserters.fromPublisher(Mono.just("data"), String.class));
|
||||
WebClient.RequestHeadersSpec<?> requestSpec2 = uri2.body(BodyInserters.fromValue("data"));
|
||||
|
||||
// inserters
|
||||
BodyInserter<Publisher<String>, ReactiveHttpOutputMessage> inserter1 = BodyInserters.fromPublisher(Subscriber::onComplete, String.class);
|
||||
|
||||
LinkedMultiValueMap<String, String> map = new LinkedMultiValueMap<>();
|
||||
map.add("key1", "value1");
|
||||
map.add("key2", "value2");
|
||||
|
||||
BodyInserter<MultiValueMap<String, Object>, ClientHttpRequest> inserter2 = BodyInserters.fromMultipartData(map);
|
||||
BodyInserter<Object, ReactiveHttpOutputMessage> inserter3 = BodyInserters.fromValue(new Object());
|
||||
BodyInserter<String, ReactiveHttpOutputMessage> inserter4 = BodyInserters.fromValue("body");
|
||||
|
||||
// responses
|
||||
WebClient.ResponseSpec response1 = uri1.body(inserter3)
|
||||
.header(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
|
||||
.accept(MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML)
|
||||
.acceptCharset(Charset.forName("UTF-8"))
|
||||
.ifNoneMatch("*")
|
||||
.ifModifiedSince(ZonedDateTime.now())
|
||||
.retrieve();
|
||||
String response2 = uri1.exchangeToMono(response -> response.bodyToMono(String.class))
|
||||
.block();
|
||||
String response3 = uri2.retrieve()
|
||||
.bodyToMono(String.class)
|
||||
.block();
|
||||
WebClient.ResponseSpec response4 = requestSpec2.retrieve();
|
||||
@PostMapping("/resource")
|
||||
public Mono<String> postStringResource(@RequestBody Mono<String> bodyString) {
|
||||
return bodyString.map(body -> "processed-" + body);
|
||||
}
|
||||
|
||||
private WebClient createWebClient() {
|
||||
return WebClient.create();
|
||||
@PostMapping("/resource-foo")
|
||||
public Mono<String> postFooResource(@RequestBody Mono<Foo> bodyFoo) {
|
||||
return bodyFoo.map(foo -> "processedFoo-" + foo.getName());
|
||||
}
|
||||
|
||||
private WebClient createWebClientWithServerURL() {
|
||||
return WebClient.create("http://localhost:8081");
|
||||
@PostMapping(value = "/resource-multipart", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
|
||||
public String handleFormUpload(@RequestPart("key1") String value1, @RequestPart("key2") String value2) {
|
||||
return "processed-" + value1 + "-" + value2;
|
||||
}
|
||||
|
||||
private WebClient createWebClientConfiguringTimeout() {
|
||||
HttpClient httpClient = HttpClient.create()
|
||||
.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 5000)
|
||||
.doOnConnected(conn -> conn.addHandlerLast(new ReadTimeoutHandler(5000, TimeUnit.MILLISECONDS))
|
||||
.addHandlerLast(new WriteTimeoutHandler(5000, TimeUnit.MILLISECONDS)));
|
||||
|
||||
return WebClient.builder()
|
||||
.clientConnector(new ReactorClientHttpConnector(httpClient))
|
||||
.build();
|
||||
}
|
||||
|
||||
private WebClient createWebClientWithServerURLAndDefaultValues() {
|
||||
return WebClient.builder()
|
||||
.baseUrl("http://localhost:8081")
|
||||
.defaultCookie("cookieKey", "cookieValue")
|
||||
.defaultHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
|
||||
.defaultUriVariables(Collections.singletonMap("url", "http://localhost:8080"))
|
||||
.build();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,331 @@
|
|||
package com.baeldung.web.client;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
import java.net.URI;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.time.Duration;
|
||||
import java.time.ZonedDateTime;
|
||||
import java.util.Collections;
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
import org.reactivestreams.Publisher;
|
||||
import org.reactivestreams.Subscriber;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
|
||||
import org.springframework.boot.web.server.LocalServerPort;
|
||||
import org.springframework.core.ParameterizedTypeReference;
|
||||
import org.springframework.core.codec.CodecException;
|
||||
import org.springframework.http.HttpHeaders;
|
||||
import org.springframework.http.HttpMethod;
|
||||
import org.springframework.http.HttpStatus;
|
||||
import org.springframework.http.MediaType;
|
||||
import org.springframework.http.ReactiveHttpOutputMessage;
|
||||
import org.springframework.http.client.reactive.ClientHttpRequest;
|
||||
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
|
||||
import org.springframework.util.LinkedMultiValueMap;
|
||||
import org.springframework.util.MultiValueMap;
|
||||
import org.springframework.web.reactive.function.BodyInserter;
|
||||
import org.springframework.web.reactive.function.BodyInserters;
|
||||
import org.springframework.web.reactive.function.client.WebClient;
|
||||
import org.springframework.web.reactive.function.client.WebClient.RequestBodySpec;
|
||||
import org.springframework.web.reactive.function.client.WebClient.RequestBodyUriSpec;
|
||||
import org.springframework.web.reactive.function.client.WebClient.RequestHeadersSpec;
|
||||
import org.springframework.web.reactive.function.client.WebClient.RequestHeadersUriSpec;
|
||||
import org.springframework.web.reactive.function.client.WebClient.ResponseSpec;
|
||||
import org.springframework.web.reactive.function.client.WebClientRequestException;
|
||||
|
||||
import com.baeldung.web.reactive.client.Foo;
|
||||
import com.baeldung.web.reactive.client.WebClientApplication;
|
||||
|
||||
import io.netty.channel.ChannelOption;
|
||||
import io.netty.handler.timeout.ReadTimeoutHandler;
|
||||
import io.netty.handler.timeout.WriteTimeoutHandler;
|
||||
import reactor.core.publisher.Mono;
|
||||
import reactor.netty.http.client.HttpClient;
|
||||
import reactor.test.StepVerifier;
|
||||
|
||||
@SpringBootTest(classes = WebClientApplication.class, webEnvironment = WebEnvironment.RANDOM_PORT)
|
||||
public class WebClientIntegrationTest {
|
||||
|
||||
@LocalServerPort
|
||||
private int port;
|
||||
|
||||
private static final String BODY_VALUE = "bodyValue";
|
||||
private static final ParameterizedTypeReference<Map<String, String>> MAP_RESPONSE_REF = new ParameterizedTypeReference<Map<String, String>>() {
|
||||
};
|
||||
|
||||
@Test
|
||||
public void givenDifferentWebClientCreationMethods_whenUsed_thenObtainExpectedResponse() {
|
||||
// WebClient creation
|
||||
WebClient client1 = WebClient.create();
|
||||
WebClient client2 = WebClient.create("http://localhost:" + port);
|
||||
WebClient client3 = WebClient.builder()
|
||||
.baseUrl("http://localhost:" + port)
|
||||
.defaultCookie("cookieKey", "cookieValue")
|
||||
.defaultHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
|
||||
.defaultUriVariables(Collections.singletonMap("url", "http://localhost:8080"))
|
||||
.build();
|
||||
|
||||
// response assertions
|
||||
StepVerifier.create(retrieveResponse(client1.post()
|
||||
.uri("http://localhost:" + port + "/resource")))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(client2))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(client3))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
// assert response without specifying URI
|
||||
StepVerifier.create(retrieveResponse(client1))
|
||||
.expectErrorMatches(ex -> WebClientRequestException.class.isAssignableFrom(ex.getClass()) && ex.getMessage()
|
||||
.contains("Connection refused"))
|
||||
.verify();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenDifferentMethodSpecifications_whenUsed_thenObtainExpectedResponse() {
|
||||
// request specification
|
||||
RequestBodyUriSpec uriSpecPost1 = createDefaultClient().method(HttpMethod.POST);
|
||||
RequestBodyUriSpec uriSpecPost2 = createDefaultClient().post();
|
||||
RequestHeadersUriSpec<?> requestGet = createDefaultClient().get();
|
||||
|
||||
// response assertions
|
||||
StepVerifier.create(retrieveResponse(uriSpecPost1))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(uriSpecPost2))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveGetResponse(requestGet))
|
||||
.expectNextMatches(nextMap -> nextMap.get("field")
|
||||
.equals("value"))
|
||||
.verifyComplete();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenDifferentUriSpecifications_whenUsed_thenObtainExpectedResponse() {
|
||||
// uri specification
|
||||
RequestBodySpec bodySpecUsingString = createDefaultPostRequest().uri("/resource");
|
||||
RequestBodySpec bodySpecUsingUriBuilder = createDefaultPostRequest().uri(uriBuilder -> uriBuilder.pathSegment("resource")
|
||||
.build());
|
||||
RequestBodySpec bodySpecusingURI = createDefaultPostRequest().uri(URI.create("http://localhost:" + port + "/resource"));
|
||||
RequestBodySpec bodySpecOverridenBaseUri = createDefaultPostRequest().uri(URI.create("/resource"));
|
||||
RequestBodySpec bodySpecOverridenBaseUri2 = WebClient.builder()
|
||||
.baseUrl("http://localhost:" + port)
|
||||
.build()
|
||||
.post()
|
||||
.uri(URI.create("/resource"));
|
||||
|
||||
// response assertions
|
||||
StepVerifier.create(retrieveResponse(bodySpecUsingString))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(bodySpecUsingUriBuilder))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(bodySpecusingURI))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
// assert sending request overriding base URI
|
||||
StepVerifier.create(retrieveResponse(bodySpecOverridenBaseUri))
|
||||
.expectErrorMatches(ex -> WebClientRequestException.class.isAssignableFrom(ex.getClass()) && ex.getMessage()
|
||||
.contains("Connection refused"))
|
||||
.verify();
|
||||
StepVerifier.create(retrieveResponse(bodySpecOverridenBaseUri2))
|
||||
.expectErrorMatches(ex -> WebClientRequestException.class.isAssignableFrom(ex.getClass()) && ex.getMessage()
|
||||
.contains("Connection refused"))
|
||||
.verify();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenDifferentBodySpecifications_whenUsed_thenObtainExpectedResponse() {
|
||||
// request body specifications
|
||||
RequestHeadersSpec<?> headersSpecPost1 = createDefaultPostResourceRequest().body(BodyInserters.fromPublisher(Mono.just(BODY_VALUE), String.class));
|
||||
RequestHeadersSpec<?> headersSpecPost2 = createDefaultPostResourceRequest().body(BodyInserters.fromValue(BODY_VALUE));
|
||||
RequestHeadersSpec<?> headersSpecPost3 = createDefaultPostResourceRequest().bodyValue(BODY_VALUE);
|
||||
RequestHeadersSpec<?> headersSpecFooPost = createDefaultPostRequest().uri("/resource-foo")
|
||||
.body(Mono.just(new Foo("fooName")), Foo.class);
|
||||
BodyInserter<Object, ReactiveHttpOutputMessage> inserterPlainObject = BodyInserters.fromValue(new Object());
|
||||
RequestHeadersSpec<?> headersSpecPlainObject = createDefaultPostResourceRequest().body(inserterPlainObject);
|
||||
|
||||
// request body specifications - using other inserter method (multipart request)
|
||||
LinkedMultiValueMap<String, String> map = new LinkedMultiValueMap<>();
|
||||
map.add("key1", "multipartValue1");
|
||||
map.add("key2", "multipartValue2");
|
||||
BodyInserter<MultiValueMap<String, Object>, ClientHttpRequest> inserterMultipart = BodyInserters.fromMultipartData(map);
|
||||
RequestHeadersSpec<?> headersSpecInserterMultipart = createDefaultPostRequest().uri("/resource-multipart")
|
||||
.body(inserterMultipart);
|
||||
|
||||
// response assertions
|
||||
StepVerifier.create(retrieveResponse(headersSpecPost1))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(headersSpecPost2))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(headersSpecPost3))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(headersSpecFooPost))
|
||||
.expectNext("processedFoo-fooName")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(retrieveResponse(headersSpecInserterMultipart))
|
||||
.expectNext("processed-multipartValue1-multipartValue2")
|
||||
.verifyComplete();
|
||||
// assert error plain `new Object()` as request body
|
||||
StepVerifier.create(retrieveResponse(headersSpecPlainObject))
|
||||
.expectError(CodecException.class)
|
||||
.verify();
|
||||
// assert response for request with no body
|
||||
Mono<Map<String, String>> responsePostWithNoBody = createDefaultPostResourceRequest().exchangeToMono(responseHandler -> {
|
||||
assertThat(responseHandler.statusCode()).isEqualTo(HttpStatus.BAD_REQUEST);
|
||||
return responseHandler.bodyToMono(MAP_RESPONSE_REF);
|
||||
});
|
||||
StepVerifier.create(responsePostWithNoBody)
|
||||
.expectNextMatches(nextMap -> nextMap.get("error")
|
||||
.equals("Bad Request"))
|
||||
.verifyComplete();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenPostSpecifications_whenHeadersAdded_thenObtainExpectedResponse() {
|
||||
// request header specification
|
||||
RequestHeadersSpec<?> headersSpecInserterStringWithHeaders = createDefaultPostResourceRequestResponse().header(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
|
||||
.accept(MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML)
|
||||
.acceptCharset(StandardCharsets.UTF_8)
|
||||
.ifNoneMatch("*")
|
||||
.ifModifiedSince(ZonedDateTime.now());
|
||||
|
||||
// response assertions
|
||||
StepVerifier.create(retrieveResponse(headersSpecInserterStringWithHeaders))
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenDifferentResponseSpecifications_whenUsed_thenObtainExpectedResponse() {
|
||||
ResponseSpec responseSpecPostString = createDefaultPostResourceRequestResponse().retrieve();
|
||||
Mono<String> responsePostString = responseSpecPostString.bodyToMono(String.class);
|
||||
Mono<String> responsePostString2 = createDefaultPostResourceRequestResponse().exchangeToMono(response -> {
|
||||
if (response.statusCode()
|
||||
.equals(HttpStatus.OK)) {
|
||||
return response.bodyToMono(String.class);
|
||||
} else if (response.statusCode()
|
||||
.is4xxClientError()) {
|
||||
return Mono.just("Error response");
|
||||
} else {
|
||||
return response.createException()
|
||||
.flatMap(Mono::error);
|
||||
}
|
||||
});
|
||||
Mono<String> responsePostNoBody = createDefaultPostResourceRequest().exchangeToMono(response -> {
|
||||
if (response.statusCode()
|
||||
.equals(HttpStatus.OK)) {
|
||||
return response.bodyToMono(String.class);
|
||||
} else if (response.statusCode()
|
||||
.is4xxClientError()) {
|
||||
return Mono.just("Error response");
|
||||
} else {
|
||||
return response.createException()
|
||||
.flatMap(Mono::error);
|
||||
}
|
||||
});
|
||||
Mono<Map<String, String>> responseGet = createDefaultClient().get()
|
||||
.uri("/resource")
|
||||
.retrieve()
|
||||
.bodyToMono(MAP_RESPONSE_REF);
|
||||
|
||||
// response assertions
|
||||
StepVerifier.create(responsePostString)
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(responsePostString2)
|
||||
.expectNext("processed-bodyValue")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(responsePostNoBody)
|
||||
.expectNext("Error response")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(responseGet)
|
||||
.expectNextMatches(nextMap -> nextMap.get("field")
|
||||
.equals("value"))
|
||||
.verifyComplete();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenWebClientWithTimeoutConfigurations_whenRequestUsingWronglyConfiguredPublisher_thenObtainTimeout() {
|
||||
HttpClient httpClient = HttpClient.create()
|
||||
.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 1000)
|
||||
.responseTimeout(Duration.ofMillis(1000))
|
||||
.doOnConnected(conn -> conn.addHandlerLast(new ReadTimeoutHandler(1000, TimeUnit.MILLISECONDS))
|
||||
.addHandlerLast(new WriteTimeoutHandler(1000, TimeUnit.MILLISECONDS)));
|
||||
|
||||
WebClient timeoutClient = WebClient.builder()
|
||||
.clientConnector(new ReactorClientHttpConnector(httpClient))
|
||||
.build();
|
||||
|
||||
BodyInserter<Publisher<String>, ReactiveHttpOutputMessage> inserterCompleteSuscriber = BodyInserters.fromPublisher(Subscriber::onComplete, String.class);
|
||||
RequestHeadersSpec<?> headersSpecInserterCompleteSuscriber = timeoutClient.post()
|
||||
.uri("/resource")
|
||||
.body(inserterCompleteSuscriber);
|
||||
|
||||
StepVerifier.create(headersSpecInserterCompleteSuscriber.retrieve()
|
||||
.bodyToMono(String.class))
|
||||
.expectTimeout(Duration.ofMillis(2000))
|
||||
.verify();
|
||||
}
|
||||
|
||||
// helper methods to create default instances
|
||||
private WebClient createDefaultClient() {
|
||||
return WebClient.create("http://localhost:" + port);
|
||||
}
|
||||
|
||||
private RequestBodyUriSpec createDefaultPostRequest() {
|
||||
return createDefaultClient().post();
|
||||
}
|
||||
|
||||
private RequestBodySpec createDefaultPostResourceRequest() {
|
||||
return createDefaultPostRequest().uri("/resource");
|
||||
}
|
||||
|
||||
private RequestHeadersSpec<?> createDefaultPostResourceRequestResponse() {
|
||||
return createDefaultPostResourceRequest().bodyValue(BODY_VALUE);
|
||||
}
|
||||
|
||||
// helper methods to retrieve a response based on different steps of the process (specs)
|
||||
private Mono<String> retrieveResponse(WebClient client) {
|
||||
return client.post()
|
||||
.uri("/resource")
|
||||
.bodyValue(BODY_VALUE)
|
||||
.retrieve()
|
||||
.bodyToMono(String.class);
|
||||
}
|
||||
|
||||
private Mono<String> retrieveResponse(RequestBodyUriSpec spec) {
|
||||
return spec.uri("/resource")
|
||||
.bodyValue(BODY_VALUE)
|
||||
.retrieve()
|
||||
.bodyToMono(String.class);
|
||||
}
|
||||
|
||||
private Mono<Map<String, String>> retrieveGetResponse(RequestHeadersUriSpec<?> spec) {
|
||||
return spec.uri("/resource")
|
||||
.retrieve()
|
||||
.bodyToMono(MAP_RESPONSE_REF);
|
||||
}
|
||||
|
||||
private Mono<String> retrieveResponse(RequestBodySpec spec) {
|
||||
return spec.bodyValue(BODY_VALUE)
|
||||
.retrieve()
|
||||
.bodyToMono(String.class);
|
||||
}
|
||||
|
||||
private Mono<String> retrieveResponse(RequestHeadersSpec<?> spec) {
|
||||
return spec.retrieve()
|
||||
.bodyToMono(String.class);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue