/*
* 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.http.codec;
import java.util.List;
import java.util.Map;
import static org.junit.Assert.*;
import org.junit.Test;
import org.springframework.core.ResolvableType;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.util.MultiValueMap;
/**
* @author Sebastien Deleuze
*/
public class FormHttpMessageReaderTests {
private final FormHttpMessageReader reader = new FormHttpMessageReader();
@Test
public void canRead() {
assertTrue(this.reader.canRead(
ResolvableType.forClassWithGenerics(MultiValueMap.class, String.class, String.class),
MediaType.APPLICATION_FORM_URLENCODED));
assertFalse(this.reader.canRead(
ResolvableType.forClassWithGenerics(MultiValueMap.class, String.class, Object.class),
MediaType.APPLICATION_FORM_URLENCODED));
assertFalse(this.reader.canRead(
ResolvableType.forClassWithGenerics(MultiValueMap.class, Object.class, String.class),
MediaType.APPLICATION_FORM_URLENCODED));
assertFalse(this.reader.canRead(
ResolvableType.forClassWithGenerics(Map.class, String.class, String.class),
MediaType.APPLICATION_FORM_URLENCODED));
assertFalse(this.reader.canRead(
ResolvableType.forClassWithGenerics(MultiValueMap.class, String.class, String.class),
MediaType.MULTIPART_FORM_DATA));
}
@Test
public void readFormAsMono() {
String body = "name+1=value+1&name+2=value+2%2B1&name+2=value+2%2B2&name+3";
MockServerHttpRequest request = request(body);
MultiValueMap<String, String> result = this.reader.readMono(null, request, null).block();
assertEquals("Invalid result", 3, result.size());
assertEquals("Invalid result", "value 1", result.getFirst("name 1"));
List<String> values = result.get("name 2");
assertEquals("Invalid result", 2, values.size());
assertEquals("Invalid result", "value 2+1", values.get(0));
assertEquals("Invalid result", "value 2+2", values.get(1));
assertNull("Invalid result", result.getFirst("name 3"));
}
@Test
public void readFormAsFlux() {
String body = "name+1=value+1&name+2=value+2%2B1&name+2=value+2%2B2&name+3";
MockServerHttpRequest request = request(body);
MultiValueMap<String, String> result = this.reader.read(null, request, null).single().block();
assertEquals("Invalid result", 3, result.size());
assertEquals("Invalid result", "value 1", result.getFirst("name 1"));
List<String> values = result.get("name 2");
assertEquals("Invalid result", 2, values.size());
assertEquals("Invalid result", "value 2+1", values.get(0));
assertEquals("Invalid result", "value 2+2", values.get(1));
assertNull("Invalid result", result.getFirst("name 3"));
}
private MockServerHttpRequest request(String body) {
return MockServerHttpRequest
.method(HttpMethod.GET, "/")
.header(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_FORM_URLENCODED_VALUE)
.body(body);
}
}