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http://www.stripesframework.org/jira/browse/STS-582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12200#comment-12200
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Nikolaos commented on STS-582:
------------------------------
I ran into this issue as well... however in looking at:
http://www.stripesframework.org/jira/browse/STS-325
I was inspired to try to obtain the message another way... and came up with
this solution:
MockRoundtrip trip = new MockRoundtrip(...);
MockHttpServletRequest request = trip.getRequest();
...
List<Message> beanMessages = (List<Message>)
request.getAttribute(StripesConstants.REQ_ATTR_MESSAGES);
And voila the messages are available.
Unfortunately as Tim explains in STS-325 it does not appear that the FlashScope
related code can ever work b/c of how Stripes works w.r.t. FlashScope.
As such, I think this work around is just as good moreover IMO we should close
this issue.
--Nikolaos
> NPE in MockRoundTrip getting Messages
> -------------------------------------
>
> Key: STS-582
> URL: http://www.stripesframework.org/jira/browse/STS-582
> Project: Stripes
> Issue Type: Bug
> Components: Context Management
> Affects Versions: Release 1.4.3
> Environment: JDK 1.6 Stripes 1.4.3 TestNG 5.8
> Reporter: Melloware
>
> When executing a MockRoundTrip test like the following:
> @Test(description="Test handler to logout of application")
> public void logoutTest() throws Exception {
> // Setup the servlet engine
> MockServletContext ctx = StripesTestFixture.getServletContext();
> MockRoundtrip trip = new MockRoundtrip(ctx, LogoutActionBean.class);
> trip.execute();
> LogoutActionBean bean = trip.getActionBean(LogoutActionBean.class);
> Assert.assertNotNull(bean.getContext().getMessages());
> Assert.assertEquals(trip.getDestination(),
> LogoutActionBean.LOGOUT_PAGE);
> }
> The call to bean.getContext.getMessages() throws an NPE because when tracing
> the code the FlashScope is being returned null in the ActionBeanContext found
> in this method of the ActionBeanContext
> public List<Message> getMessages(String key) {
> FlashScope scope = FlashScope.getCurrent(getRequest(), true);
> List<Message> messages = (List<Message>) scope.get(key);
> if (messages == null) {
> messages = new ArrayList<Message>();
> scope.put(key, messages);
> }
> return messages;
> }
> The second line where it calls scope.get(key) is throwing the NPE because
> scope is somehow null.
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