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Merge pull request #12148 from hkhan/JAVA-8151-update-spring-webclient 

Java 8151 update spring webclient
This commit is contained in:
kwoyke 2022-05-02 11:20:42 +02:00 committed by GitHub
parent 4fc26da470 6df424bff4
commit e825abd158
5 changed files with 187 additions and 208 deletions
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24
spring-reactive/src/main/java/com/baeldung/reactive/webclient/Foo.java
View File

@ -1,24 +1,14 @@
package com.baeldung.reactive.webclient;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
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;
}
}

9
spring-reactive/src/main/java/com/baeldung/reactive/webclient/WebClientApplication.java
View File

@ -15,11 +15,10 @@ public class WebClientApplication {
}
@Bean
public SecurityWebFilterChain functionalValidationsSpringSecurityFilterChain(ServerHttpSecurity http) {
http.authorizeExchange()
.anyExchange()
.permitAll();
http.csrf().disable();
public SecurityWebFilterChain filterChain(ServerHttpSecurity http) {
http.csrf().disable()
.authorizeExchange()
.anyExchange().permitAll();
return http.build();
}
}

235
spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebClientIntegrationTest.java
View File

@ -45,41 +45,41 @@ import static org.assertj.core.api.Assertions.assertThat;
@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>>() {
};
@LocalServerPort
private int port;
@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();
.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();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(client2))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(client3))
.expectNext("processed-bodyValue")
.verifyComplete();
.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();
.expectErrorMatches(ex -> WebClientRequestException.class.isAssignableFrom(ex.getClass()) && ex.getMessage()
.contains("Connection refused"))
.verify();
}
@Test
@ -91,60 +91,64 @@ public class WebClientIntegrationTest {
// response assertions
StepVerifier.create(retrieveResponse(uriSpecPost1))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(uriSpecPost2))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveGetResponse(requestGet))
.expectNextMatches(nextMap -> nextMap.get("field")
.equals("value"))
.verifyComplete();
.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")
RequestBodySpec bodySpecUsingUriBuilder = createDefaultPostRequest().uri(
uriBuilder -> uriBuilder.pathSegment("resource")
.build());
RequestBodySpec bodySpecusingURI = createDefaultPostRequest().uri(URI.create("http://localhost:" + port + "/resource"));
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"));
.baseUrl("http://localhost:" + port)
.build()
.post()
.uri(URI.create("/resource"));
// response assertions
StepVerifier.create(retrieveResponse(bodySpecUsingString))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(bodySpecUsingUriBuilder))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(bodySpecusingURI))
.expectNext("processed-bodyValue")
.verifyComplete();
.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();
.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();
.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<?> 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);
.body(Mono.just(new Foo("fooName")), Foo.class);
BodyInserter<Object, ReactiveHttpOutputMessage> inserterPlainObject = BodyInserters.fromValue(new Object());
RequestHeadersSpec<?> headersSpecPlainObject = createDefaultPostResourceRequest().body(inserterPlainObject);
@ -152,54 +156,57 @@ public class WebClientIntegrationTest {
LinkedMultiValueMap<String, String> map = new LinkedMultiValueMap<>();
map.add("key1", "multipartValue1");
map.add("key2", "multipartValue2");
BodyInserter<MultiValueMap<String, Object>, ClientHttpRequest> inserterMultipart = BodyInserters.fromMultipartData(map);
BodyInserter<MultiValueMap<String, Object>, ClientHttpRequest> inserterMultipart = BodyInserters.fromMultipartData(
map);
RequestHeadersSpec<?> headersSpecInserterMultipart = createDefaultPostRequest().uri("/resource-multipart")
.body(inserterMultipart);
.body(inserterMultipart);
// response assertions
StepVerifier.create(retrieveResponse(headersSpecPost1))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(headersSpecPost2))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(headersSpecPost3))
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(retrieveResponse(headersSpecFooPost))
.expectNext("processedFoo-fooName")
.verifyComplete();
.expectNext("processedFoo-fooName")
.verifyComplete();
StepVerifier.create(retrieveResponse(headersSpecInserterMultipart))
.expectNext("processed-multipartValue1-multipartValue2")
.verifyComplete();
.expectNext("processed-multipartValue1-multipartValue2")
.verifyComplete();
// assert error plain `new Object()` as request body
StepVerifier.create(retrieveResponse(headersSpecPlainObject))
.expectError(CodecException.class)
.verify();
.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);
});
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();
.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());
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();
.expectNext("processed-bodyValue")
.verifyComplete();
}
@Test
@ -209,68 +216,66 @@ public class WebClientIntegrationTest {
Mono<String> responsePostString2 = createDefaultPostResourceRequestResponse().exchangeToMono(response -> {
if (response.statusCode() == HttpStatus.OK) {
return response.bodyToMono(String.class);
} else if (response.statusCode()
.is4xxClientError()) {
} else if (response.statusCode().is4xxClientError()) {
return Mono.just("Error response");
} else {
return response.createException()
.flatMap(Mono::error);
.flatMap(Mono::error);
}
});
Mono<String> responsePostNoBody = createDefaultPostResourceRequest().exchangeToMono(response -> {
if (response.statusCode() == HttpStatus.OK) {
return response.bodyToMono(String.class);
} else if (response.statusCode()
.is4xxClientError()) {
} else if (response.statusCode().is4xxClientError()) {
return Mono.just("Error response");
} else {
return response.createException()
.flatMap(Mono::error);
.flatMap(Mono::error);
}
});
Mono<Map<String, String>> responseGet = createDefaultClient().get()
.uri("/resource")
.retrieve()
.bodyToMono(MAP_RESPONSE_REF);
.uri("/resource")
.retrieve()
.bodyToMono(MAP_RESPONSE_REF);
// response assertions
StepVerifier.create(responsePostString)
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(responsePostString2)
.expectNext("processed-bodyValue")
.verifyComplete();
.expectNext("processed-bodyValue")
.verifyComplete();
StepVerifier.create(responsePostNoBody)
.expectNext("Error response")
.verifyComplete();
.expectNext("Error response")
.verifyComplete();
StepVerifier.create(responseGet)
.expectNextMatches(nextMap -> nextMap.get("field")
.equals("value"))
.verifyComplete();
.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)));
.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()
.baseUrl("http://localhost:" + port)
.clientConnector(new ReactorClientHttpConnector(httpClient))
.build();
.baseUrl("http://localhost:" + port)
.clientConnector(new ReactorClientHttpConnector(httpClient))
.build();
RequestHeadersSpec<?> neverendingMonoBodyRequest = timeoutClient.post()
.uri("/resource")
.body(Mono.never(), String.class);
.uri("/resource")
.body(Mono.never(), String.class);
StepVerifier.create(neverendingMonoBodyRequest.retrieve()
.bodyToMono(String.class))
.expectErrorMatches(ex -> WebClientRequestException.class.isAssignableFrom(ex.getClass()) && ReadTimeoutException.class.isAssignableFrom(ex.getCause()
.getClass()))
.verify();
.expectErrorMatches(ex -> WebClientRequestException.class.isAssignableFrom(ex.getClass())
&& ReadTimeoutException.class.isAssignableFrom(ex.getCause().getClass()))
.verify();
}
// helper methods to create default instances
@ -293,33 +298,33 @@ public class WebClientIntegrationTest {
// 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);
.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);
.bodyValue(BODY_VALUE)
.retrieve()
.bodyToMono(String.class);
}
private Mono<Map<String, String>> retrieveGetResponse(RequestHeadersUriSpec<?> spec) {
return spec.uri("/resource")
.retrieve()
.bodyToMono(MAP_RESPONSE_REF);
.retrieve()
.bodyToMono(MAP_RESPONSE_REF);
}
private Mono<String> retrieveResponse(RequestBodySpec spec) {
return spec.bodyValue(BODY_VALUE)
.retrieve()
.bodyToMono(String.class);
.retrieve()
.bodyToMono(String.class);
}
private Mono<String> retrieveResponse(RequestHeadersSpec<?> spec) {
return spec.retrieve()
.bodyToMono(String.class);
.bodyToMono(String.class);
}
}

36
spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebControllerIntegrationTest.java
View File

@ -1,22 +1,22 @@
package com.baeldung.reactive.webclient;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
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.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.reactive.server.WebTestClient;
@DirtiesContext(classMode = DirtiesContext.ClassMode.BEFORE_CLASS)
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = WebClientApplication.class)
import static org.springframework.test.annotation.DirtiesContext.ClassMode.BEFORE_CLASS;
@DirtiesContext(classMode = BEFORE_CLASS)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, classes = WebClientApplication.class)
public class WebControllerIntegrationTest {
@LocalServerPort
int randomServerPort;
private int randomServerPort;
@Autowired
private WebTestClient testClient;
@ -24,30 +24,26 @@ public class WebControllerIntegrationTest {
@Autowired
private WebController webController;
@Before
public void setup() {
@BeforeEach
void setup() {
webController.setServerPort(randomServerPort);
}
@Test
public void whenEndpointWithBlockingClientIsCalled_thenThreeTweetsAreReceived() {
void whenEndpointWithBlockingClientIsCalled_thenThreeTweetsAreReceived() {
testClient.get()
.uri("/tweets-blocking")
.exchange()
.expectStatus()
.isOk()
.expectBodyList(Tweet.class)
.hasSize(3);
.expectStatus().isOk()
.expectBodyList(Tweet.class).hasSize(3);
}
@Test
public void whenEndpointWithNonBlockingClientIsCalled_thenThreeTweetsAreReceived() {
void whenEndpointWithNonBlockingClientIsCalled_thenThreeTweetsAreReceived() {
testClient.get()
.uri("/tweets-non-blocking")
.exchange()
.expectStatus()
.isOk()
.expectBodyList(Tweet.class)
.hasSize(3);
.expectStatus().isOk()
.expectBodyList(Tweet.class).hasSize(3);
}
}

91
spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebTestClientIntegrationTest.java
View File

@ -3,6 +3,7 @@ package com.baeldung.reactive.webclient;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
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.context.ApplicationContext;
import org.springframework.security.test.context.support.WithMockUser;
@ -14,7 +15,7 @@ import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebHandler;
import reactor.core.publisher.Mono;
@SpringBootTest(classes = WebClientApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@SpringBootTest(classes = WebClientApplication.class, webEnvironment = WebEnvironment.RANDOM_PORT)
public class WebTestClientIntegrationTest {
@LocalServerPort
@ -26,73 +27,61 @@ public class WebTestClientIntegrationTest {
@Autowired
private WebClientController controller;
private final RouterFunction ROUTER_FUNCTION = RouterFunctions.route(RequestPredicates.GET("/resource"), request -> ServerResponse.ok()
.build());
private final WebHandler WEB_HANDLER = exchange -> Mono.empty();
@Test
public void testWebTestClientWithServerWebHandler() {
WebTestClient.bindToWebHandler(WEB_HANDLER)
.build();
public void whenBindToWebHandler_thenRequestProcessed() {
WebHandler webHandler = exchange -> Mono.empty();
WebTestClient.bindToWebHandler(webHandler)
.build()
.get()
.exchange()
.expectBody().isEmpty();
}
@Test
public void testWebTestClientWithRouterFunction() {
WebTestClient.bindToRouterFunction(ROUTER_FUNCTION)
.build()
.get()
.uri("/resource")
.exchange()
.expectStatus()
.isOk()
.expectBody()
.isEmpty();
public void whenBindToRouter_thenRequestProcessed() {
RouterFunction<ServerResponse> routerFunction = RouterFunctions.route(
RequestPredicates.GET("/resource"),
request -> ServerResponse.ok().build()
);
WebTestClient.bindToRouterFunction(routerFunction)
.build()
.get().uri("/resource")
.exchange()
.expectStatus().isOk()
.expectBody().isEmpty();
}
@Test
@WithMockUser
public void testWebTestClientWithServerURL() {
public void whenBindToServer_thenRequestProcessed() {
WebTestClient.bindToServer()
.baseUrl("http://localhost:" + port)
.build()
.get()
.uri("/resource")
.exchange()
.expectStatus()
.isOk()
.expectBody()
.jsonPath("field")
.isEqualTo("value");
;
.baseUrl("http://localhost:" + port).build()
.get().uri("/resource")
.exchange()
.expectStatus().isOk()
.expectBody().jsonPath("field").isEqualTo("value");
}
@Test
@WithMockUser
public void testWebTestClientWithApplicationContext() {
public void whenBindToApplicationContext_thenRequestProcessed() {
WebTestClient.bindToApplicationContext(context)
.build()
.get()
.uri("/resource")
.exchange()
.expectStatus()
.isOk()
.expectBody()
.jsonPath("field")
.isEqualTo("value");
.build()
.get().uri("/resource")
.exchange()
.expectStatus().isOk()
.expectBody().jsonPath("field").isEqualTo("value");
}
@Test
public void testWebTestClientWithController() {
public void whenBindToController_thenRequestProcessed() {
WebTestClient.bindToController(controller)
.build()
.get()
.uri("/resource")
.exchange()
.expectStatus()
.isOk()
.expectBody()
.jsonPath("field")
.isEqualTo("value");
.build()
.get().uri("/resource")
.exchange()
.expectStatus().isOk()
.expectBody().jsonPath("field").isEqualTo("value");
}
}