/*
* Copyright 2012-2017 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.boot.autoconfigure.web.reactive;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.boot.test.util.EnvironmentTestUtils;
import org.springframework.boot.web.reactive.context.GenericReactiveWebApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.web.reactive.function.server.RequestPredicates;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebFilter;
import org.springframework.web.server.WebHandler;
import org.springframework.web.server.handler.FilteringWebHandler;
import org.springframework.web.server.handler.WebHandlerDecorator;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;
import static org.mockito.Mockito.mock;
/**
* Tests for {@link HttpHandlerAutoConfiguration}.
*
* @author Brian Clozel
* @author Stephane Nicoll
*/
public class HttpHandlerAutoConfigurationTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
private GenericReactiveWebApplicationContext context;
@Test
public void shouldNotProcessIfExistingHttpHandler() {
load(CustomHttpHandler.class);
assertThat(this.context.getBeansOfType(HttpHandler.class)).hasSize(1);
assertThat(this.context.getBean(HttpHandler.class))
.isSameAs(this.context.getBean("customHttpHandler"));
}
@Test
public void shouldConfigureHttpHandlerAnnotation() {
load(WebFluxAutoConfiguration.class);
assertThat(this.context.getBeansOfType(HttpHandler.class).size()).isEqualTo(1);
}
@Test
public void shouldConfigureHttpHandlerFunctional() {
load(FunctionalConfig.class);
assertThat(this.context.getBeansOfType(HttpHandler.class).size()).isEqualTo(1);
}
@Test
public void shouldConfigureWebFiltersAnnotation() {
load(AnnotationConfigWithWebFilters.class);
HttpHandler handler = this.context.getBean(HttpHandler.class);
assertThat(handler).isInstanceOf(WebHandler.class);
WebHandler webHandler = (WebHandler) handler;
while (webHandler instanceof WebHandlerDecorator) {
if (webHandler instanceof FilteringWebHandler) {
FilteringWebHandler filteringWebHandler = (FilteringWebHandler) webHandler;
assertThat(filteringWebHandler.getFilters()).containsExactly(
this.context.getBean("firstWebFilter", WebFilter.class),
this.context.getBean("aWebFilter", WebFilter.class),
this.context.getBean("lastWebFilter", WebFilter.class));
return;
}
webHandler = ((WebHandlerDecorator) webHandler).getDelegate();
}
fail("Did not find any FilteringWebHandler");
}
@Test
public void shouldConfigureWebFiltersFunctional() {
load(FunctionalConfigWithWebFilters.class);
assertThat(this.context.getBeansOfType(HttpHandler.class).size()).isEqualTo(1);
HttpHandler handler = this.context.getBean(HttpHandler.class);
assertThat(handler).isInstanceOf(WebHandler.class);
WebHandler webHandler = (WebHandler) handler;
while (webHandler instanceof WebHandlerDecorator) {
if (webHandler instanceof FilteringWebHandler) {
FilteringWebHandler filteringWebHandler = (FilteringWebHandler) webHandler;
assertThat(filteringWebHandler.getFilters()).containsExactly(
this.context.getBean("customWebFilter", WebFilter.class));
return;
}
webHandler = ((WebHandlerDecorator) webHandler).getDelegate();
}
fail("Did not find any FilteringWebHandler");
}
private void load(Class<?> config, String... environment) {
this.context = new GenericReactiveWebApplicationContext();
EnvironmentTestUtils.addEnvironment(this.context, environment);
if (this.context != null) {
this.context.register(config);
}
this.context.register(HttpHandlerAutoConfiguration.class);
this.context.refresh();
}
@Configuration
@Import(WebFluxAutoConfiguration.class)
protected static class AnnotationConfigWithWebFilters {
@Bean
public WebFilter aWebFilter() {
return mock(WebFilter.class);
}
@Bean
@Order(Ordered.LOWEST_PRECEDENCE)
public WebFilter lastWebFilter() {
return mock(WebFilter.class);
}
@Bean
@Order(Ordered.HIGHEST_PRECEDENCE)
public WebFilter firstWebFilter() {
return mock(WebFilter.class);
}
}
@Configuration
protected static class FunctionalConfig {
@Bean
public RouterFunction<ServerResponse> routerFunction() {
return RouterFunctions.route(RequestPredicates.GET("/test"),
(serverRequest) -> null);
}
}
@Configuration
protected static class FunctionalConfigWithWebFilters {
@Bean
public RouterFunction<ServerResponse> routerFunction() {
return RouterFunctions.route(RequestPredicates.GET("/test"),
(serverRequest) -> null);
}
@Bean
public WebFilter customWebFilter() {
return (serverWebExchange, webFilterChain) -> null;
}
}
@Configuration
protected static class CustomHttpHandler {
@Bean
public HttpHandler customHttpHandler() {
return (serverHttpRequest, serverHttpResponse) -> null;
}
@Bean
public RouterFunction<ServerResponse> routerFunction() {
return RouterFunctions.route(RequestPredicates.GET("/test"),
(serverRequest) -> null);
}
}
}