And did you investigate using either of the common Java frameworks for Mock objects, jMock and EasyMock?
> -----Original Message----- > From: paulbrickell [mailto:[EMAIL PROTECTED] > Sent: Friday, April 04, 2008 3:04 AM > To: user@struts.apache.org > Subject: RE: any struts 2 unit testers out there? > > > Actually thats an interesting post. To my mind it doesn't > demonstrate a solution. It demonstrates the problem. > > Here is why I think this. > > Struts 2 is just frankly brilliant for people doing test > first development. > The classes you create really are POJOs. There are no > dependencies on any framework in my action classes. For > example parameters are parsed well away from my action and > the values are set using simple properties, things like > sessions are simply maps. It is a truly new world for those > of who have suffered the horror of mocking http requests, > responses, context and the like. > > But this simple scenario brings all that pain flooding back. > I add a line in my action like this... > > String yadaYada = getText("some.doodad"); > > And my lovely world comes unraveled real quick. Now I need > mock objects up the ying-yang. > > I started using the tutorial from the link posted (I am an > Arsenal fan btw, so got two for the price of one, thanks), > but it still doesn't provide a simple solution to the > problem. To get this to work I have to build not just the > application context but a mass of supporting objects to get a > (partial) web application framework up and running before I > can test my simple POJO. > > I am not going to give up just yet, but I think I am still > going to have to look for another way. > > Cheers, > Paul B. > > > > > Relph,Brian wrote: > > > > > > I recommend creating an action context. Here is the basic guide I > > followed to do so: > > > > > http://arsenalist.com/2007/06/18/unit-testing-struts-2-actions-spring- > > junit/ > > > > If you are not using spring or the struts2 spring plugin, > you can cut > > out all the code around the applicationContext. > > > > > > -----Original Message----- > > From: paulbrickell [mailto:[EMAIL PROTECTED] > > Sent: Thursday, April 03, 2008 11:44 AM > > To: user@struts.apache.org > > Subject: Re: any struts 2 unit testers out there? > > > > > > I am trying to deal with the same issue. Did you get any resolution? > > > > Following on from the reply asking for a stack trace, here > is what I > > am getting... > > > > > > java.lang.NullPointerException > > at > > > com.opensymphony.xwork2.util.LocalizedTextUtil.findText(Locali > zedTextUtil.java:299) > > at > > > com.opensymphony.xwork2.TextProviderSupport.getText(TextProvid > erSupport.java:172) > > at > > > com.opensymphony.xwork2.TextProviderSupport.getText(TextProvid > erSupport.java:87) > > at > com.opensymphony.xwork2.ActionSupport.getText(ActionSupport.java:80) > > <SNIP> > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccess > orImpl.java:39) > > at > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMeth > odAccessorImpl.java:25) > > at java.lang.reflect.Method.invoke(Method.java:585) > > at > org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59) > > at > > > org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRo > adie.java:98) > > at > org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79) > > at > > > org.junit.internal.runners.MethodRoadie.runBeforesThenTestThen > Afters(MethodRoadie.java:87) > > at > org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77) > > at > org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42) > > at > > > org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod( > JUnit4ClassRunner.java:88) > > at > > > org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4 > ClassRunner.java:51) > > at > > > org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4Class Runner.java:44) > > at > > > org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoa > die.java:27) > > at > > > org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadi > e.java:37) > > at > > > org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRu > nner.java:42) > > at > > > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run > (JUnit4TestReference.java:38) > > at > > > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestEx > ecution.java:38) > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTest > s(RemoteTestRunner.java:460) > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTest > s(RemoteTestRunner.java:673) > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(Rem > oteTestRunner.java:386) > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTest > > Runner.java:196) > > > > > > It is caused by ActionContext.getContext() returning null. Quite > > obviously I do not have an action context during my unit testing. > > > > Now I can certainly use the ActionContext.setContext() in my tests > > setup method to push one into thread local storage and that > works OK. > > It isn't ideal though because ActionContext is a concrete > class and so > > my choices then become a bit limited. > > > > I could create an instance but when I try this I find I > have to create > > a rather large object model to make it actually work. To the point > > where I despair and give up. > > > > Alternatively I could use a mock library (like easy mock). But I am > > not inclined to include a mocking library that requires byte code > > rewriting (not even for testing). > > > > What I really want to do is inject a text provider into the > > ActionSupport class. At the top of the ActionSupport class > is this... > > > > private final transient TextProvider textProvider = new > > TextProviderFactory().createInstance(getClass(), this); > > > > Damn its final and so I cannot inject my own text provider. > > > > BUT it uses a factory, thats good. I know I will have a look at the > > factory I bet I can monkey with that and inject a mock. > Nope. It's all > > instance based. No way I can get in there. And thats that. > Now what do > > I do? > > > > I can see two (half) workable solutions. > > > > One is to override the the getText method in the action > class when I > > instantiate it during testing. So I end up doing this in > all my action > > unit tests... > > > > Action action = new MyAction() > > { > > @Override > > public String getText(String textName) > > { > > return "mocked"; > > } > > }; > > > > It works, but its cheese. > > > > Or two I can add a level of indirection in my action class, > like so... > > > > > > String text = > > > MyTextProviderFactory.getInstance(class.name).getText("some.property") > > ; > > > > Then I can use a delegate to the real text provider during > live code > > and a mock of my own text provider during testing. The > question here > > is, Why for the love of Pete, why? > > > > So in conclusion there are at least four options for testing Action > > classes that use get text. > > > > 1. Build an action context by hand. (Too hard) 2. Use a class > > rewriting mocking library. (Not on my watch) 3. Mock the get text > > method. (Cheese) 4. Add another level of indirection. (Man > thats just > > annoying) > > > > Comments? > > > > BTW If you got this far, thanks for taking the time. > > Paul B. > > > > > > > > > > Session Mwamufiya wrote: > >> > >> Hi All, > >> > >> Would someone let me know whether it's possible to tweak > something so > >> that JUnit test code can run on an action method that calls the > >> ActionSupport method getText() to fetch string resources from a > >> package.properties file. > >> As it stands, I keep getting a null exception when getText() is > >> called during the unit test. > >> > >> Thanks, > >> Session > >> > >> > >> > --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [EMAIL PROTECTED] > >> For additional commands, e-mail: [EMAIL PROTECTED] > >> > >> > >> > > > > -- > > View this message in context: > > > http://www.nabble.com/any-struts-2-unit-testers-out-there--tp13437046p > > 16467812.html Sent from the Struts - User mailing list archive at > > Nabble.com. > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > ---------------------------------------------------------------------- > > CONFIDENTIALITY NOTICE This message and any included > attachments are > > from Cerner Corporation and are intended only for the > addressee. 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