public with sharing class CRequestForm_Wrapper {
    
    public List<ContactReq> wrapperList {get;set;}
    public Contact cContact=new Contact();
    public Contact_Request_Form__c cRForm=new Contact_Request_Form__c();
    public Contact_Request_Form__c cRFormNotes {get;set;}
    public boolean errormsg=false;
    public boolean ApprovalFormShowChangeDetails {get;set;}
    public String errorDetail='';
    
    public Boolean isPartnerSubgrantee {get;set;}
    public Boolean noRoleFound {get;set;}
    public List<SelectOption> subgranteeRolesList {get;set;}
    public List<SelectOption> partnerProfilesList {get;set;}
    

    public CRequestForm_Wrapper(ApexPages.StandardController controller)
    {
      String id=ApexPages.currentPage().getParameters().get('cid');
      if(id!=null)
      {
          cContact=[select Id,LastName,FirstName,MI__c,Fax,MobilePhone,HomePhone,OtherPhone,Email,Title,Department,Contact_Mailing_Street_1__c ,Contact_Mailing_Street_2__c
                            ,Contact_Mailing_City__c ,Contact_Mailing_Zip_Code__c ,SSAI_Sponsors__c,SSAI_Directors__c,
                            SSAI_Fiscals__c,D2D_Contacts__c,Contact_Shipping_Street_1__c, SSAI_SCSEP_Role__c
                            ,Contact_Shipping_Street_2__c ,Contact_Shipping_City__c ,Contact_Shipping_Zip_Code__c ,
                            Contact_Fax__c , Contact_Mailing_State__c ,Contact_Shipping_State__c,Shipping_Organization__c,Mailing_Organization__c,Shipping_Department__c,AccountId from Contact where id =:id limit 1];
                          wrapperList=new List<ContactReq>();
                            
          wrapperList.add(new ContactReq( NewCRequest(cContact), cContact));
          
      }
      String cRid=ApexPages.currentPage().getParameters().get('id');
      if(cRid!=null)
      {
        cRForm=[select Id, Subgrantee_Name__c, Subgrantee_Name__r.IsPartner,Last_Name__c,First_Name__c,MI__c, SSAI_SCSEP_Role__c,
                    Fax_Phone__c, Mobile_Phone__c, Home_Phone__c, Business_Phone__c,
                    Email_Address__c, Job_Title__c, Department_B__c, Department_S__c,
                    Organization_S__c, Organization_B__c,
                    Address_Line_1B__c, Address_Line_2B__c, City_B__c, Zip_Code_B__c, Business_State__c,
                    SSAI_Fiscal__c, SSAI_Spon__c, SSAI_Directors__c, D2D_Contacts__c,
                    Address_Line_1S__c, Address_Line_2S__c, City_S__c, Zip_Code_S__c, Shipping_State__c,
                    Notes__c, Is_Create_User__c, Role__c, Profile__c, Contact__c, Forms_and_Information__c,Pay_by_Pay__c,Report_of_Costs_SA1_and_SA2__c,Salesforce_Portal_Account__c,SCSEP_Eligibility_Determination__c, SPARQ__c,Is_Delete_Request__c from Contact_Request_Form__c where id =:cRid limit 1];
        cRFormNotes=cRForm;
    
        if(CRFormNotes.Subgrantee_Name__c!=null && CRFormNotes.Contact__c==null)
        {
            ApprovalFormShowChangeDetails = false;
            isPartnerSubgrantee = CRFormNotes.Subgrantee_Name__r.IsPartner;
            noRoleFound = false;
            subgranteeRolesList = getPartnerRoles(CRFormNotes.Subgrantee_Name__c);
            partnerProfilesList = getPartnerProfiles();
        }
        else{
            ApprovalFormShowChangeDetails = true;
            cContact=[select Id,LastName,FirstName,MI__c,Fax,MobilePhone,HomePhone,OtherPhone,Email,Title, SSAI_SCSEP_Role__c,Department,Contact_Mailing_Street_1__c ,Contact_Mailing_Street_2__c
                        ,Contact_Mailing_City__c ,Contact_Mailing_Zip_Code__c ,SSAI_Sponsors__c,SSAI_Directors__c,
                        SSAI_Fiscals__c,D2D_Contacts__c,Contact_Shipping_Street_1__c 
                        ,Contact_Shipping_Street_2__c ,Contact_Shipping_City__c ,Contact_Shipping_Zip_Code__c ,
                        Contact_Fax__c , Contact_Mailing_State__c ,Contact_Shipping_State__c,Shipping_Organization__c,Mailing_Organization__c,Shipping_Department__c,AccountId from Contact where id =:CRFormNotes.Contact__c limit 1];
            wrapperList=new List<ContactReq>();
                        
            wrapperList.add(new ContactReq( cRFormNotes, cContact));
        }
      }
                                       
    }
    
    public Contact_Request_Form__c NewCRequest(Contact cContact)
    {
        
        System.debug('Inside shree');
        Contact_Request_Form__c  c  = new Contact_Request_Form__c();
            c.Subgrantee_Name__c    =cContact.AccountId;                    
            c.Last_Name__c          =cContact.LastName ;
            c.First_Name__c         =cContact.FirstName ;
            c.MI__c                 =cContact.MI__c ;
            
            c.Fax_Phone__c          =cContact.Fax ;
            c.Mobile_Phone__c       =cContact.MobilePhone; 
            c.Home_Phone__c         =cContact.HomePhone ;
            c.Business_Phone__c     =cContact.OtherPhone ;
            
            c.Email_Address__c      =cContact.Email ;
            c.Job_Title__c          =cContact.Title; 
            c.SSAI_SCSEP_Role__c    =cContact.SSAI_SCSEP_Role__c;
            c.Department_B__c       =cContact.Department;
            c.Department_S__c       =cContact.Shipping_Department__c;
            
            c.Organization_S__c     =cContact.Shipping_Organization__c;
            c.Organization_B__c     =cContact.Mailing_Organization__c;
                    
            
            c.Address_Line_1B__c    =cContact.Contact_Mailing_Street_1__c;  
            c.Address_Line_2B__c    =cContact.Contact_Mailing_Street_2__c ; 
            c.City_B__c             =cContact.Contact_Mailing_City__c ; 
            c.Zip_Code_B__c         =cContact.Contact_Mailing_Zip_Code__c ; 
            c.Business_State__c     =cContact.Contact_Mailing_State__c  ;
            
            c.SSAI_Fiscal__c        =cContact.SSAI_Fiscals__c  ;
            c.SSAI_Spon__c          =cContact.SSAI_Sponsors__c  ;
            c.SSAI_Directors__c     =cContact.SSAI_Directors__c  ;
            c.D2D_Contacts__c       =cContact.D2D_Contacts__c  ;
            
            c.Address_Line_1S__c    =cContact.Contact_Shipping_Street_1__c;  
            c.Address_Line_2S__c    =cContact.Contact_Shipping_Street_2__c ; 
            c.City_S__c             =cContact.Contact_Shipping_City__c  ;
            c.Zip_Code_S__c         =cContact.Contact_Shipping_Zip_Code__c;  
            c.Shipping_State__c     =cContact.Contact_Shipping_State__c  ;
            
            //c.Fax_Phone__c        =cContact.Contact_Fax__c  ;
            c.Fax_Phone__c          =cContact.Fax  ;
            c.Contact__c            =cContact.Id;
            c.Notes__c              ='';
            
            return c;
        
        
    }
    public boolean geterrormsg()
    { 
        return errormsg;
    }
    public String geterrorDetail()
    { 
        return errorDetail;
    }

    public class ContactReq{
        
        public Contact_Request_Form__c CReq{get;set;}
        public Contact c{get;set;}

         public ContactReq(Contact_Request_Form__c CReq , Contact c)
        {
            this.CReq = CReq;
            this.c = c;
        }

    
    }
    
    public Pagereference Save()
    {        
        Pagereference p =new Pagereference('/a02/o');
        Contact_Request_Form__c  NewContactRequest= wrapperList[0].CReq;
        NewContactRequest.Status__c='New';
        List <String> checkStatus=new List<string>() ;
        checkStatus.add('New');
        checkStatus.add('Submitted');
        List<Contact_Request_Form__c> ExistingCRform=[select Id,Subgrantee_Name__c,Email_Address__c,Status__c from Contact_Request_Form__c where 
                                                        Email_Address__c =:NewContactRequest.Email_Address__c 
                                                        and Subgrantee_Name__c =:NewContactRequest.Subgrantee_Name__c 
                                                        and Status__c IN :checkStatus limit 1];
        if(ExistingCRform.size()!=0)
        {
            errorDetail='Contact Request Form with status [ '+ExistingCRform[0].Status__c +']already exists for the email id ['+ExistingCRform[0].Email_Address__c+']and Sub-Garentee['+ExistingCRform[0].Subgrantee_Name__c+']';
            errormsg=true;     
            return null;
        }
        else
        {
            insert NewContactRequest;
            return p;
        }
    } 
    
    public Pagereference Submit()
    {        
        Pagereference p =new Pagereference('/a02/o');
        Contact_Request_Form__c  NewContact= wrapperList[0].CReq;
        NewContact.Status__c='Submitted';
        upsert NewContact;
        return p;
    } 
    public Pagereference onApprove()
    {        
        if(validate())
        {
            Id CRequestId=ApexPages.currentPage().getParameters().get('id');
            Pagereference p =new Pagereference('/'+CRequestId);
            Contact_Request_Form__c  editCrForm= new Contact_Request_Form__c(Id=CRequestId);
            editCrForm.Status__c='Approved';
            editCrForm.Notes__c=cRForm.Notes__c;
            if(CRForm.IS_Create_User__c && CRFormNotes.Contact__c==null)
            {
                editCRForm.IS_Create_User__c = CRForm.IS_Create_User__c;
                editCRForm.Role__c = CRForm.Role__c;
                editCRForm.Profile__c = CRForm.Profile__c;
            }
            List<RecordType> recordTypeVals= [select Id from RecordType where Name = 'Form Approver' limit 1];
            editCrForm.RecordTypeId=recordTypeVals[0].id;
            upsert editCrForm;
            return p;
        }
        else
        {
            return null;
        }
    } 
    public Pagereference onReject()
    {        
        Id CRequestId=ApexPages.currentPage().getParameters().get('id');
        Pagereference p =new Pagereference('/'+CRequestId);
        Contact_Request_Form__c  editCrForm= new Contact_Request_Form__c(Id=CRequestId);
        editCrForm.Status__c='Rejected';
        editCrForm.Notes__c=cRForm.Notes__c;
        List<RecordType> recordTypeVals= [select Id from RecordType where Name = 'Form Approver' limit 1];
        editCrForm.RecordTypeId=recordTypeVals[0].id;
        upsert editCrForm;
        return p;
    }
    public Pagereference onSubmit()
    {        
        Id CRequestId=ApexPages.currentPage().getParameters().get('id');
        Pagereference p =new Pagereference('/'+CRequestId);
        Contact_Request_Form__c  editCrForm= new Contact_Request_Form__c(Id=CRequestId);
        editCrForm.Status__c='Submitted';
        upsert editCrForm;
        return p;
    } 
    
    public List<selectOption> getPartnerRoles(Id accId)
    {
        List<UserRole> urList = new List<UserRole>();
        List<SelectOption> rolesList = new List<SelectOption>();
        rolesList.add(new SelectOption('','--None--'));
        
        if(isPartnerSubgrantee)
        {
            urList = [Select Id, Name from UserRole where PortalType = 'Partner' and PortalAccountId = :accId];
            if(urList.size()>0)
            {
                for(UserRole ur : urList)
                {
                    rolesList.add(new SelectOption(ur.Id,ur.Name));
                }
            }
            else
            {
                noRoleFound = true;
                //ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.INFO, 'No Role found. The user will be created with default Role'));
            }
        }
        /*else
        {
            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'No Role found. Please enable the Subgrantee for Partner Portal'));
        }*/

            return rolesList;
    } 
    
    public List<selectOption> getPartnerProfiles()
    {
        List<Profile> prList = new List<Profile>();
        prList = [Select Id, Name from Profile where UserType = 'PowerPartner' and Name != 'Gold Partner User' order by Name];
        
        List<SelectOption> profilesList = new List<SelectOption>();
        profilesList.add(new SelectOption('','--None--'));
        
        if(prList.size()>0)
        {
            for(Profile pr : prList)
            {
                profilesList.add(new SelectOption(pr.Id,pr.Name));
            }
            return profilesList;
        }
        else
        {
            System.debug('No Partner Profile found');
            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'No Partner Profile found'));
            return null;
        }
    } 
    
    public Boolean validate()
    {
        System.debug('*****'+CRForm.Is_Create_User__c+'*****'+CRForm.Profile__c+'*****'+CRForm.Role__c);
        if(CRForm.Is_Create_User__c)
        {
            if(noRoleFound && CRForm.Profile__c==null)
            {
                ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'Please choose a profile'));
                return false;
            }
            else if(!noRoleFound && CRForm.Profile__c==null && CRForm.Role__c==null)
            {
                ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'Please choose role & profile'));
                return false;
            }
        }
        
        return true;
    }
    
    }

and this is the test class:

@isTest
private class CRequestForm_Wrapper_Test {

    static testmethod void constructor_Test() {
        Test.startTest();
        PageReference pageRef = Page.CRequestModify;
        Test.setCurrentPage(pageRef);
        
        SFDC_IDs__c SSAIIDs = SFDC_IDs__c.getValues('SSAI');
        Id saProfileId = SSAIIDs.System_Administrator_Profile_ID__c;
        
        User sau =
           [select UserRoleId
               from User
               where ProfileId = :saProfileId
               and isActive = true
               limit 1];
        
        System.runAs(sau) {
        
        Account newAcc=new Account(Name='Test Account');
        insert newAcc;
        
        Contact newContact=new Contact();
        newContact.LastName='Last Name';
        newContact.FirstName='First Name';
        newContact.AccountId=newAcc.Id;
        insert newContact;
        
        ApexPages.currentPage().getParameters().put('cid', newContact.Id);
        
        Contact_Request_Form__c newRec1 =new  Contact_Request_Form__c( Contact__c = newContact.Id,Last_Name__c='Last Name Test',First_Name__c='First Name Test',Email_Address__c='TEST2@MAIL.COM',Status__c='Submitted');
        insert newRec1;
        
        ApexPages.currentPage().getParameters().put('Id', newRec1.Id);
        
        ApexPages.StandardController controller = new ApexPages.StandardController(newRec1);
        CRequestForm_Wrapper WrapperC=new CRequestForm_Wrapper(controller);
        
        
        //String nextPage = WrapperC.save().getUrl();
        //System.assertNotEquals(nextPage, '');
        String nextPage = WrapperC.onApprove().getUrl();
        System.assertNotEquals(nextPage, '');
        nextPage = WrapperC.onSubmit().getUrl();
        System.assertNotEquals(nextPage, '');
nextPage = WrapperC.onReject().getUrl();
        
        
        Contact_Request_Form__c newRec2 =new  Contact_Request_Form__c( Contact__c = newContact.Id);
        
        
        ApexPages.currentPage().getParameters().put('Id', newRec2.Id);
        
        ApexPages.StandardController controller2 = new ApexPages.StandardController(newRec2);
        CRequestForm_Wrapper WrapperC2=new CRequestForm_Wrapper(controller2);
        
        
        nextPage = WrapperC2.save().getUrl();
        System.assertNotEquals(nextPage, '');
        }
        
        Test.stopTest();
    }
        

}