WebClient request with parameters
This commit is contained in:
Alexander Molochko
parent
5e6a5ae662
commit
68af2f59d3
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package com.baeldung.spring.webclientrequests;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringWebClientRequestsApp {
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public static void main(String[] args) {
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SpringApplication.run(SpringWebClientRequestsApp.class, args);
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}
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}
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package com.baeldung.spring.webclientrequests;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.mockito.ArgumentCaptor;
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import org.mockito.Captor;
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import org.mockito.Mockito;
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import org.mockito.MockitoAnnotations;
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import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest;
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import org.springframework.test.context.junit4.SpringRunner;
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import org.springframework.web.reactive.function.client.ClientRequest;
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import org.springframework.web.reactive.function.client.ClientResponse;
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import org.springframework.web.reactive.function.client.ExchangeFunction;
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import org.springframework.web.reactive.function.client.WebClient;
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import org.springframework.web.util.DefaultUriBuilderFactory;
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import reactor.core.publisher.Mono;
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import static org.mockito.Mockito.*;
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@RunWith(SpringRunner.class)
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@WebFluxTest
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public class WebClientRequestsTest {
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private static final String BASE_URL = "https://example.com";
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private WebClient webClient;
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@Captor
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private ArgumentCaptor<ClientRequest> argumentCaptor;
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private ExchangeFunction exchangeFunction;
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@Before
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public void init() {
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MockitoAnnotations.initMocks(this);
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this.exchangeFunction = mock(ExchangeFunction.class);
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ClientResponse mockResponse = mock(ClientResponse.class);
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when(this.exchangeFunction.exchange(this.argumentCaptor.capture())).thenReturn(Mono.just(mockResponse));
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this.webClient = WebClient
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.builder()
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.baseUrl(BASE_URL)
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.exchangeFunction(exchangeFunction)
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.build();
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}
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@Test
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public void whenUriComponentEncoding_thenQueryParamsNotEscaped() {
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DefaultUriBuilderFactory factory = new DefaultUriBuilderFactory(BASE_URL);
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factory.setEncodingMode(DefaultUriBuilderFactory.EncodingMode.URI_COMPONENT);
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this.webClient = WebClient
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.builder()
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.uriBuilderFactory(factory)
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.baseUrl(BASE_URL)
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.exchangeFunction(exchangeFunction)
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.build();
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this.webClient.get()
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.uri(uriBuilder -> uriBuilder
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.path("/posts/")
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.queryParam("title", "Baeldung")
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.queryParam("authorId", "99")
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.queryParam("date", "13/04/2019")
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.build())
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.retrieve();
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verifyCalledUrl("/posts/?title=Baeldung&authorId=99&date=13/04/2019");
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}
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@Test
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public void whenCallSimpleURI_thenURIMatched() {
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this.webClient.get()
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.uri("/posts")
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.retrieve();
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verifyCalledUrl("/posts");
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}
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@Test
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public void whenCallSinglePathSegmentUri_thenURIMatched() {
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this.webClient.get()
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.uri(uriBuilder -> uriBuilder
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.path("/posts/{id}")
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.build(2))
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.retrieve();
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verifyCalledUrl("/posts/2");
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}
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@Test
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public void whenCallMultiplePathSegmentsUri_thenURIMatched() {
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this.webClient.get()
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.uri(uriBuilder -> uriBuilder
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.path("/posts/{id}/comments/{commentId}")
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.build(2, 13))
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.retrieve();
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verifyCalledUrl("/posts/2/comments/13");
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}
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@Test
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public void whenCallSingleQueryParams_thenURIMatched() {
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this.webClient.get()
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.uri(uriBuilder -> uriBuilder
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.path("/posts/")
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.queryParam("title", "Baeldung")
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.queryParam("authorId", "99")
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.queryParam("date", "13/04/2019")
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.build())
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.retrieve();
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verifyCalledUrl("/posts/?title=Baeldung&authorId=99&date=13/04/2019");
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}
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@Test
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public void whenCallSingleQueryParamsPlaceholders_thenURIMatched() {
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this.webClient.get()
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.uri(uriBuilder -> uriBuilder
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.path("/posts/")
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.queryParam("title", "{title}")
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.queryParam("authorId", "{authorId}")
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.queryParam("date", "{date}")
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.build("Baeldung", "99", "13/04/2019"))
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.retrieve();
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verifyCalledUrl("/posts/?title=Baeldung&authorId=99&date=13%2F04%2F2019");
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}
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@Test
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public void whenCallArrayQueryParamsBrackets_thenURIMatched() {
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this.webClient.get()
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.uri(uriBuilder -> uriBuilder
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.path("/posts/")
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.queryParam("tag[]", "Spring", "Kotlin")
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.build())
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.retrieve();
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verifyCalledUrl("/posts/?tag%5B%5D=Spring&tag%5B%5D=Kotlin");
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}
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@Test
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public void whenCallArrayQueryParams_thenURIMatched() {
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this.webClient.get()
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.uri(uriBuilder -> uriBuilder
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.path("/posts/")
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.queryParam("category", "Web", "Mobile")
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.build())
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.retrieve();
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verifyCalledUrl("/posts/?category=Web&category=Mobile");
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}
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private void verifyCalledUrl(String relativeUrl) {
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ClientRequest request = this.argumentCaptor.getValue();
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Assert.assertEquals(String.format("%s%s", BASE_URL, relativeUrl), request.url().toString());
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Mockito.verify(this.exchangeFunction).exchange(request);
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verifyNoMoreInteractions(this.exchangeFunction);
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}
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}
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