how to write a test class for retURL & override?

Hi:

I need to know which I can not find in my research is how to write a testmethod when a standard button is override which means that I have specified in my controller to override the URL.

Now the standard button is New on the Opportunity.

I am overriding the Opportunity URL, so that I can place in the Contact Name and fill it in automatically when they create a new Opp through Contact record.

In my test method I do not know how to write a testmethod for this part of my controller:

public newoppbutton(ApexPages.StandardController stdController){ string ret=ApexPages.currentPage().getParameters().get('RetURL'); ret=ret.substring(1,ret.length()); if(ret.startswith('003')){ try{ mycontact = [select id,name from contact where id=:ret]; gotcontact=true; }catch(QueryException q){ system.debug(q.getmessage()); } } }

I am getting stuck at this:

 string ret=ApexPages.currentPage().getParameters().get('RetURL');
        ret=ret.substring(1,ret.length());

Can someone guide me or have an example of how to write this in a testmethod please?

I did try this in a testmethod which did not work:

//Now get the contact id redir='/'+ cc.id; PageReference p2 = new PageReference(redir); system.debug('PageReference p21:' + p2); Test.setCurrentPage(p2); string ret; String redire; ret=redir.substring(1); system.debug('PageReference p21d:' + ret); Contact cn=[Select name, id, firstname, lastname,recordtype.name from Contact where id=:ret];

Which did not work when I called within my testmethod:

ApexPages.standardController sc = new ApexPages.standardController(new Opportunity());

newoppbutton controller = new newoppbutton(sc);

My page Reference in my controller is :

public PageReference init() {
        String redirectUrl = '';
        String recordTypeId = System.currentPageReference().getParameters().get('RecordType');  
        

            if (recordTypeId != null) {
                redirectUrl = '/006/e?retURL=/006/o&RecordType=' + recordTypeId + '&nooverride=1';
            }else if(gotcontact) {
                redirectUrl = '/006/e?CF00N70000002RNNE='+mycontact.Name+'&nooverride=1';
            }else{
                redirectUrl = '/006/e?nooverride=1';
            }
            PageReference newOpp = new PageReference(redirectUrl);
            return newOpp;
        }

So I have tried everything and keep failing on a attempt to de-ference a null...

Thanks

Happy Holidays to all

December 17, 2009
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Best Answer chosen by Admin (Salesforce Developers)

XactiumBen
From your previous code it looks like you need to include a RetURL parameter. Try adding this just after you create your page reference:

customPage.getParameters().put('RetURL', '/home/home.jsp');
Message Edited by XactiumBen on 12-17-2009 03:53 PM

December 17, 2009
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XactiumBen
You need to add the parameters you use in your apex class to your page reference in your test before you call methods:

// Setup my test page with parameters
PageReference pr = new PageReference(VF PAGE URL HERE); pr.getParameters().put('myparam', 'myparamvalue'); Test.setCurrentPageReference(pr);

Hope that helps.

December 17, 2009
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MMA_FORCE
Thank you for the reply...
My VF page is:
<apex:page standardController="Opportunity" extensions="newoppbutton" action="{!init}">
</apex:page>
When I did your suggestion in my test class it failed with the same error Attempt to de-reference a null
ApexPages.StandardController controller = new ApexPages.StandardController(new Opportunity());
PageReference customPage = new PageReference('/apex/newbuttonpage');
customPage.getParameters().put('id', cc.name);
//System.currentPagereference().getParameters().put('name',cc.LastName);
newoppbutton extension = new newoppbutton(controller); //Keep failing here on Null attempt error

extension.init();