/*
* 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.servlet.mvc.method.annotation;
import java.io.OutputStream;
import java.io.Writer;
import java.lang.reflect.Method;
import javax.servlet.ServletResponse;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.MethodParameter;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockHttpServletResponse;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.method.support.ModelAndViewContainer;
import static org.junit.Assert.*;
/**
* Test fixture with {@link ServletResponseMethodArgumentResolver}.
*
* @author Arjen Poutsma
*/
public class ServletResponseMethodArgumentResolverTests {
private ServletResponseMethodArgumentResolver resolver;
private ModelAndViewContainer mavContainer;
private MockHttpServletResponse servletResponse;
private ServletWebRequest webRequest;
private Method method;
@Before
public void setup() throws Exception {
resolver = new ServletResponseMethodArgumentResolver();
mavContainer = new ModelAndViewContainer();
servletResponse = new MockHttpServletResponse();
webRequest = new ServletWebRequest(new MockHttpServletRequest(), servletResponse);
method = getClass().getMethod("supportedParams", ServletResponse.class, OutputStream.class, Writer.class);
}
@Test
public void servletResponse() throws Exception {
MethodParameter servletResponseParameter = new MethodParameter(method, 0);
assertTrue("ServletResponse not supported", resolver.supportsParameter(servletResponseParameter));
Object result = resolver.resolveArgument(servletResponseParameter, mavContainer, webRequest, null);
assertSame("Invalid result", servletResponse, result);
assertTrue(mavContainer.isRequestHandled());
}
@Test // SPR-8983
public void servletResponseNoMavContainer() throws Exception {
MethodParameter servletResponseParameter = new MethodParameter(method, 0);
assertTrue("ServletResponse not supported", resolver.supportsParameter(servletResponseParameter));
Object result = resolver.resolveArgument(servletResponseParameter, null, webRequest, null);
assertSame("Invalid result", servletResponse, result);
}
@Test
public void outputStream() throws Exception {
MethodParameter outputStreamParameter = new MethodParameter(method, 1);
assertTrue("OutputStream not supported", resolver.supportsParameter(outputStreamParameter));
Object result = resolver.resolveArgument(outputStreamParameter, mavContainer, webRequest, null);
assertSame("Invalid result", servletResponse.getOutputStream(), result);
assertTrue(mavContainer.isRequestHandled());
}
@Test
public void writer() throws Exception {
MethodParameter writerParameter = new MethodParameter(method, 2);
assertTrue("Writer not supported", resolver.supportsParameter(writerParameter));
Object result = resolver.resolveArgument(writerParameter, mavContainer, webRequest, null);
assertSame("Invalid result", servletResponse.getWriter(), result);
assertTrue(mavContainer.isRequestHandled());
}
@SuppressWarnings("unused")
public void supportedParams(ServletResponse p0, OutputStream p1, Writer p2) {
}
}