Hi Guys

Please help me out in writing a test class for the following contoller. I am calling this controller in a VF page. Here is my apex class. I am just attaching some part of my class so if i get the test class for the below code i can use this as a reference and i can write for the remeining part of the class. Appreciate your help

public class SSOWcontroller {

 private final SSOW__c ssow;
 private final HVoIP__c hvoip;
 private final VoIP__c voip;
public SSOWcontroller(ApexPages.StandardController stdController) {
 ssow = [ Select Id, IsDeleted, Name, CreatedDate, CreatedById, LastModifiedDate, LastModifiedById,
        SystemModstamp, Site_City__c, Site_State__c, Site_Street__c, Site_Thoroughfair__c, Site_Zip_Code__c,
  NPA_NXX__c, Division__c, Primary_Contact__c FROM SSOW__c WHERE ID = :ApexPages.currentPage().getParameters().get('id')];
 hvoip = [ Select Id, OwnerId, IsDeleted, Name, CreatedDate, CreatedById, LastModifiedDate,
        LastModifiedById, SystemModstamp, Qualifying_Product__c, Did_you_ensure_that_hosted__c,
        Did_you_indicate_the_quantity__c, Did_you_ensure_that_the_bandwidth__c FROM HVoIP__c  WHERE SSOW__c = :ssow.id];
 voip = [ Select Id, OwnerId, IsDeleted, Name, CreatedDate, CreatedById, LastModifiedDate, LastModifiedById,
        SystemModstamp, Qualifying_Product__c, Did_you_ensure_that_Voip_and_Data__c, Own_public_IP_Space__c,
        Routing_protocol_other_than_Static__c FROM VoIP__c WHERE SSOW__c = :ssow.id];

}
  
 public SSOW__c getssow()    {
        return ssow;
    }
    public HVoIP__c gethvoip()    {
        return hvoip;
    }  
    public VoIP__c getvoip()    {
        return voip;
    }  
 private void saveallobjects() {
        update ssow;
        update hvoip;
        update voip;
 }
 public PageReference saveAll() {
        saveallobjects();
         PageReference pr4 = new PageReference('/apex/SmartSOW?Id=' + ssow.Id);
        pr4.setRedirect(true);
        return pr4; 
    } 
}