/*
* 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.lang.reflect.Method;
import java.util.Collections;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import reactor.core.publisher.Mono;
import org.springframework.core.MethodParameter;
import org.springframework.core.ReactiveAdapterRegistry;
import org.springframework.core.annotation.SynthesizingMethodParameter;
import org.springframework.http.HttpHeaders;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.server.ServerWebExchange;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Unit tests for {@link RequestHeaderMapMethodArgumentResolver}.
*
* @author Rossen Stoyanchev
*/
public class RequestHeaderMapMethodArgumentResolverTests {
private RequestHeaderMapMethodArgumentResolver resolver;
private MethodParameter paramMap;
private MethodParameter paramMultiValueMap;
private MethodParameter paramHttpHeaders;
private MethodParameter paramUnsupported;
private MethodParameter paramAlsoUnsupported;
@Before
public void setup() throws Exception {
resolver = new RequestHeaderMapMethodArgumentResolver(new ReactiveAdapterRegistry());
Method method = ReflectionUtils.findMethod(getClass(), "params", (Class<?>[]) null);
paramMap = new SynthesizingMethodParameter(method, 0);
paramMultiValueMap = new SynthesizingMethodParameter(method, 1);
paramHttpHeaders = new SynthesizingMethodParameter(method, 2);
paramUnsupported = new SynthesizingMethodParameter(method, 3);
paramUnsupported = new SynthesizingMethodParameter(method, 3);
paramAlsoUnsupported = new SynthesizingMethodParameter(method, 4);
}
@Test
public void supportsParameter() {
assertTrue("Map parameter not supported", resolver.supportsParameter(paramMap));
assertTrue("MultiValueMap parameter not supported", resolver.supportsParameter(paramMultiValueMap));
assertTrue("HttpHeaders parameter not supported", resolver.supportsParameter(paramHttpHeaders));
assertFalse("non-@RequestParam map supported", resolver.supportsParameter(paramUnsupported));
try {
this.resolver.supportsParameter(this.paramAlsoUnsupported);
fail();
}
catch (IllegalStateException ex) {
assertTrue("Unexpected error message:\n" + ex.getMessage(),
ex.getMessage().startsWith(
"RequestHeaderMapMethodArgumentResolver doesn't support reactive type wrapper"));
}
}
@Test
public void resolveMapArgument() throws Exception {
String name = "foo";
String value = "bar";
Map<String, String> expected = Collections.singletonMap(name, value);
ServerWebExchange exchange = MockServerHttpRequest.get("/").header(name, value).toExchange();
Mono<Object> mono = resolver.resolveArgument(paramMap, null, exchange);
Object result = mono.block();
assertTrue(result instanceof Map);
assertEquals("Invalid result", expected, result);
}
@Test
public void resolveMultiValueMapArgument() throws Exception {
String name = "foo";
String value1 = "bar";
String value2 = "baz";
ServerWebExchange exchange = MockServerHttpRequest.get("/").header(name, value1, value2).toExchange();
MultiValueMap<String, String> expected = new LinkedMultiValueMap<>(1);
expected.add(name, value1);
expected.add(name, value2);
Mono<Object> mono = resolver.resolveArgument(paramMultiValueMap, null, exchange);
Object result = mono.block();
assertTrue(result instanceof MultiValueMap);
assertEquals("Invalid result", expected, result);
}
@Test
public void resolveHttpHeadersArgument() throws Exception {
String name = "foo";
String value1 = "bar";
String value2 = "baz";
ServerWebExchange exchange = MockServerHttpRequest.get("/").header(name, value1, value2).toExchange();
HttpHeaders expected = new HttpHeaders();
expected.add(name, value1);
expected.add(name, value2);
Mono<Object> mono = resolver.resolveArgument(paramHttpHeaders, null, exchange);
Object result = mono.block();
assertTrue(result instanceof HttpHeaders);
assertEquals("Invalid result", expected, result);
}
@SuppressWarnings("unused")
public void params(
@RequestHeader Map<?, ?> param1,
@RequestHeader MultiValueMap<?, ?> param2,
@RequestHeader HttpHeaders param3,
Map<?,?> unsupported,
@RequestHeader Mono<Map<?, ?>> alsoUnsupported) {
}
}