/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.reactive.function.client;
import java.util.Collections;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import reactor.core.publisher.Mono;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
* Unit tests for {@link DefaultWebClient}.
* @author Rossen Stoyanchev
*/
public class DefaultWebClientTests {
private ExchangeFunction exchangeFunction;
@Captor
private ArgumentCaptor<ClientRequest> captor;
@Before
public void setup() throws Exception {
MockitoAnnotations.initMocks(this);
this.exchangeFunction = mock(ExchangeFunction.class);
when(this.exchangeFunction.exchange(captor.capture())).thenReturn(Mono.empty());
}
@Test
public void basic() throws Exception {
WebClient client = builder().build();
client.get().uri("/path").exchange();
ClientRequest request = verifyExchange();
assertEquals("/base/path", request.url().toString());
assertEquals(new HttpHeaders(), request.headers());
assertEquals(Collections.emptyMap(), request.cookies());
}
@Test
public void uriBuilder() throws Exception {
WebClient client = builder().build();
client.get().uri(builder -> builder.path("/path").queryParam("q", "12").build()).exchange();
ClientRequest request = verifyExchange();
assertEquals("/base/path?q=12", request.url().toString());
verifyNoMoreInteractions(this.exchangeFunction);
}
@Test
public void uriBuilderWithPathOverride() throws Exception {
WebClient client = builder().build();
client.get().uri(builder -> builder.replacePath("/path").build()).exchange();
ClientRequest request = verifyExchange();
assertEquals("/path", request.url().toString());
verifyNoMoreInteractions(this.exchangeFunction);
}
@Test
public void requestHeaderAndCookie() throws Exception {
WebClient client = builder().build();
client.get().uri("/path").accept(MediaType.APPLICATION_JSON).cookie("id", "123").exchange();
ClientRequest request = verifyExchange();
assertEquals("application/json", request.headers().getFirst("Accept"));
assertEquals("123", request.cookies().getFirst("id"));
verifyNoMoreInteractions(this.exchangeFunction);
}
@Test
public void defaultHeaderAndCookie() throws Exception {
WebClient client = builder().defaultHeader("Accept", "application/json").defaultCookie("id", "123").build();
client.get().uri("/path").exchange();
ClientRequest request = verifyExchange();
assertEquals("application/json", request.headers().getFirst("Accept"));
assertEquals("123", request.cookies().getFirst("id"));
verifyNoMoreInteractions(this.exchangeFunction);
}
@Test
public void defaultHeaderAndCookieOverrides() throws Exception {
WebClient client = builder().defaultHeader("Accept", "application/json").defaultCookie("id", "123").build();
client.get().uri("/path").header("Accept", "application/xml").cookie("id", "456").exchange();
ClientRequest request = verifyExchange();
assertEquals("application/xml", request.headers().getFirst("Accept"));
assertEquals("456", request.cookies().getFirst("id"));
verifyNoMoreInteractions(this.exchangeFunction);
}
@Test(expected = IllegalArgumentException.class)
public void bodyObjectPublisher() throws Exception {
Mono<Void> mono = Mono.empty();
WebClient client = builder().build();
client.post().uri("http://example.com").syncBody(mono);
}
private WebClient.Builder builder() {
return WebClient.builder().baseUrl("/base").exchangeFunction(this.exchangeFunction);
}
private ClientRequest verifyExchange() {
ClientRequest request = this.captor.getValue();
Mockito.verify(this.exchangeFunction).exchange(request);
verifyNoMoreInteractions(this.exchangeFunction);
return request;
}
}