/*
* Copyright 2002-2016 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.lang.reflect.Method;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import reactor.core.publisher.Mono;
import reactor.core.test.TestSubscriber;
import org.springframework.core.MethodParameter;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.http.HttpMethod;
import org.springframework.http.server.reactive.MockServerHttpRequest;
import org.springframework.http.server.reactive.MockServerHttpResponse;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.reactive.HandlerMapping;
import org.springframework.web.server.ServerErrorException;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.adapter.DefaultServerWebExchange;
import org.springframework.web.server.session.MockWebSessionManager;
import org.springframework.web.server.session.WebSessionManager;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Unit tests for {@link PathVariableMethodArgumentResolver}.
*
* @author Rossen Stoyanchev
*/
public class PathVariableMethodArgumentResolverTests {
private PathVariableMethodArgumentResolver resolver;
private ServerWebExchange exchange;
private MethodParameter paramNamedString;
private MethodParameter paramString;
@Before
public void setUp() throws Exception {
ConversionService conversionService = new DefaultConversionService();
this.resolver = new PathVariableMethodArgumentResolver(conversionService, null);
ServerHttpRequest request = new MockServerHttpRequest(HttpMethod.GET, new URI("/"));
WebSessionManager sessionManager = new MockWebSessionManager();
this.exchange = new DefaultServerWebExchange(request, new MockServerHttpResponse(), sessionManager);
Method method = getClass().getMethod("handle", String.class, String.class);
this.paramNamedString = new MethodParameter(method, 0);
this.paramString = new MethodParameter(method, 1);
}
@Test
public void supportsParameter() {
assertTrue(this.resolver.supportsParameter(this.paramNamedString));
assertFalse(this.resolver.supportsParameter(this.paramString));
}
@Test
public void resolveArgument() throws Exception {
Map<String, String> uriTemplateVars = new HashMap<>();
uriTemplateVars.put("name", "value");
this.exchange.getAttributes().put(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE, uriTemplateVars);
Mono<Object> mono = this.resolver.resolveArgument(this.paramNamedString, new ModelMap(), this.exchange);
Object result = mono.block();
assertTrue(result instanceof String);
assertEquals("value", result);
}
@Test
public void handleMissingValue() throws Exception {
Mono<Object> mono = this.resolver.resolveArgument(this.paramNamedString, new ModelMap(), this.exchange);
TestSubscriber
.subscribe(mono)
.assertError(ServerErrorException.class);
}
@SuppressWarnings("unused")
public void handle(@PathVariable(value = "name") String param1, String param2) {
}
}