/*
* 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.result.method.annotation;
import java.security.Principal;
import io.reactivex.Single;
import org.junit.Test;
import reactor.core.publisher.Mono;
import org.springframework.core.MethodParameter;
import org.springframework.core.ReactiveAdapterRegistry;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.web.method.ResolvableMethod;
import org.springframework.web.reactive.BindingContext;
import org.springframework.web.server.ServerWebExchange;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
/**
* Unit tests for {@link PrincipalArgumentResolver}.
* @author Rossen Stoyanchev
*/
public class PrincipalArgumentResolverTests {
private final PrincipalArgumentResolver resolver =
new PrincipalArgumentResolver(new ReactiveAdapterRegistry());
private ResolvableMethod testMethod = ResolvableMethod.on(getClass()).named("handle").build();
@Test
public void supportsParameter() throws Exception {
assertTrue(this.resolver.supportsParameter(this.testMethod.arg(Principal.class)));
assertTrue(this.resolver.supportsParameter(this.testMethod.arg(Mono.class, Principal.class)));
assertTrue(this.resolver.supportsParameter(this.testMethod.arg(Single.class, Principal.class)));
}
@Test
public void resolverArgument() throws Exception {
BindingContext context = new BindingContext();
Principal user = () -> "Joe";
ServerWebExchange exchange = MockServerHttpRequest.get("/").build().toExchange()
.mutate().principal(Mono.just(user)).build();
MethodParameter param = this.testMethod.arg(Principal.class);
Object actual = this.resolver.resolveArgument(param, context, exchange).block();
assertSame(user, actual);
param = this.testMethod.arg(Mono.class, Principal.class);
actual = this.resolver.resolveArgument(param, context, exchange).block();
assertTrue(Mono.class.isAssignableFrom(actual.getClass()));
assertSame(user, ((Mono<?>) actual).block());
param = this.testMethod.arg(Single.class, Principal.class);
actual = this.resolver.resolveArgument(param, context, exchange).block();
assertTrue(Single.class.isAssignableFrom(actual.getClass()));
assertSame(user, ((Single<?>) actual).blockingGet());
}
@SuppressWarnings("unused")
void handle(
Principal user,
Mono<Principal> userMono,
Single<Principal> singleUser) {
}
}