TestDispatcherServlet unwraps to find mock request

Issue: SPR-16695
This commit is contained in:
Rossen Stoyanchev
2018-04-06 11:21:25 -04:00
parent d3acf45ea4
commit 6deee3e818
2 changed files with 143 additions and 22 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2018 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.
@@ -25,6 +25,8 @@ import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.mock.web.MockAsyncContext;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.util.Assert;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.async.CallableProcessingInterceptorAdapter;
@@ -35,6 +37,7 @@ import org.springframework.web.context.request.async.WebAsyncUtils;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.HandlerExecutionChain;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.util.WebUtils;
/**
* A sub-class of {@code DispatcherServlet} that saves the result in an
@@ -64,8 +67,24 @@ final class TestDispatcherServlet extends DispatcherServlet {
throws ServletException, IOException {
registerAsyncResultInterceptors(request);
super.service(request, response);
initAsyncDispatchLatch(request);
if (request.getAsyncContext() != null) {
MockHttpServletRequest mockRequest = WebUtils.getNativeRequest(request, MockHttpServletRequest.class);
Assert.notNull(mockRequest, "Expected MockHttpServletRequest");
MockAsyncContext mockAsyncContext = ((MockAsyncContext) mockRequest.getAsyncContext());
Assert.notNull(mockAsyncContext, "MockAsyncContext not found. Did request wrapper not delegate startAsync?");
final CountDownLatch dispatchLatch = new CountDownLatch(1);
mockAsyncContext.addDispatchHandler(new Runnable() {
@Override
public void run() {
dispatchLatch.countDown();
}
});
getMvcResult(request).setAsyncDispatchLatch(dispatchLatch);
}
}
private void registerAsyncResultInterceptors(final HttpServletRequest request) {
@@ -84,19 +103,6 @@ final class TestDispatcherServlet extends DispatcherServlet {
});
}
private void initAsyncDispatchLatch(HttpServletRequest request) {
if (request.getAsyncContext() != null) {
final CountDownLatch dispatchLatch = new CountDownLatch(1);
((MockAsyncContext) request.getAsyncContext()).addDispatchHandler(new Runnable() {
@Override
public void run() {
dispatchLatch.countDown();
}
});
getMvcResult(request).setAsyncDispatchLatch(dispatchLatch);
}
}
protected DefaultMvcResult getMvcResult(ServletRequest request) {
return (DefaultMvcResult) request.getAttribute(MockMvc.MVC_RESULT_ATTRIBUTE);
}