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santhosh konathala 17santhosh konathala 17 

Hi can anybody help how to write a Test class for the below class..I am not aware in writting a Test class.plz help me...

public with sharing class MTX_SupplierFromOracleAP{
   
    List<MTX_SupplierOracleAP__c> suppliersWithStatus = new List<MTX_SupplierOracleAP__c>();
    
    public void insertSupplier(){
        
        List<MTX_SupplierOracleAP__c> oracleAPSuppliers = new List<MTX_SupplierOracleAP__c>();
               
        oracleAPSuppliers = [Select Id , NewGSLNumber__c , SupplierNumber__c , SupplierSiteName__c , EntityNumber__c , NSFECapexSupplier__c ,
                                    ActivatedDate__c , DeactivatedDate__c , Status__c , SupplierName__c , 
                                    SupplierAddress__c , SupplierCity__c , SupplierCountry__c ,
                                    SupplierTelephoneNumber__c , SupplierFaxNumber__c , NewSiteName__c , CurrencyIsoCode , SupplierEmail__c ,
                                    VatRegistrationNumber__c  , RemitContLastName__c , RemitContFirstName__c ,
                                    RemittanceFaxNr__c , RemittanceEmail__c , RemittanceTelephoneNr__c ,  SupplierZipCode__c
                              From MTX_SupplierOracleAP__c ];   
        
        Set<String> GSLNumbers = new Set<String>();  
        Set<String> SupplierNumbers = new Set<String>();  
        Set<String> SupplierSiteNames = new Set<String>();
        Set<String> EntityNumbers = new Set<String>();
        Set<String> NSFECapexSuppliers = new Set<String>();
        Set<String> uniqueSuppliers = new Set<String>();
        for(MTX_SupplierOracleAP__c oracleAPSupplier : oracleAPSuppliers){
        
            if(oracleAPSupplier.NewGSLNumber__c != null && oracleAPSupplier.NewGSLNumber__c != ''){
                GSLNumbers.add(oracleAPSupplier.NewGSLNumber__c);
            } 
            SupplierNumbers.add(oracleAPSupplier.SupplierNumber__c);
            SupplierSiteNames.add(oracleAPSupplier.SupplierSiteName__c);
            EntityNumbers.add(oracleAPSupplier.EntityNumber__c);
            NSFECapexSuppliers.add(oracleAPSupplier.NSFECapexSupplier__c);
            String uniqueSupplier = '';
            uniqueSupplier = oracleAPSupplier.SupplierNumber__c +'-'+ oracleAPSupplier.SupplierSiteName__c +'-'+ oracleAPSupplier.EntityNumber__c+'-'+ oracleAPSupplier.NSFECapexSupplier__c ;
            uniqueSuppliers.add(uniqueSupplier);
           
        }
        
        Set<String> existingGSLNumbers = new Set<String>();
        for(Account acc : [Select GSLNumber__c  from Account Where GSLNumber__c IN :GSLNumbers AND BranchCode__c != 'T01' ] ){       
            existingGSLNumbers.add(acc.GSLNumber__c);
        }
        
        Set<String> existingUniqueSuppliers = new Set<String>();
        for(Account acc : [Select Id  , AccountNumber ,SiteName__c , Company_Reg_Number__c , SupplierCategory__c  
                           From Account 
                           Where AccountNumber IN :SupplierNumbers AND
                                 SiteName__c   IN :SupplierSiteNames AND
                                 Company_Reg_Number__c IN : EntityNumbers AND
                                 SupplierCategory__c IN :NSFECapexSuppliers AND
                                 BranchCode__c != 'T01' ] ){       
            String uniqueSupplier = '';
            uniqueSupplier = acc.AccountNumber  +'-'+ acc.SiteName__c +'-'+ acc.Company_Reg_Number__c +'-'+ acc.SupplierCategory__c ;
            existingUniqueSuppliers.add(uniqueSupplier);
        }
        
        
        List<MTX_SupplierOracleAP__c> validSuppliers = new List<MTX_SupplierOracleAP__c>();
        List<MTX_SupplierOracleAP__c> invalidSuppliers = new List<MTX_SupplierOracleAP__c>();
        
        for(MTX_SupplierOracleAP__c oracleAPSupplier : oracleAPSuppliers){
            
            String errorString = '' ; 
             
            if(oracleAPSupplier.NewGSLNumber__c == null || oracleAPSupplier.NewGSLNumber__c == '' ){
                errorString += 'No GSL Number ,' ;
            }
            else if ( existingGSLNumbers.contains(oracleAPSupplier.NewGSLNumber__c)){    
                errorString += 'GSL Number is not unique ,' ;  
            }
            
            String uniqueSupplier = '';
            uniqueSupplier = oracleAPSupplier.SupplierNumber__c +'-'+ oracleAPSupplier.SupplierSiteName__c +'-'+ oracleAPSupplier.EntityNumber__c+'-'+ oracleAPSupplier.NSFECapexSupplier__c ;
            if(existingUniqueSuppliers.contains(uniqueSupplier)){
                 errorString += 'Supplier has not unique combination ,' ;  
            }
            
            if( oracleAPSupplier.ActivatedDate__c != null && oracleAPSupplier.DeactivatedDate__c != null 
                  && oracleAPSupplier.DeactivatedDate__c < oracleAPSupplier.ActivatedDate__c ){
                errorString += 'Deactivated date should be greater than activated date ,' ; 
            } 
            
            oracleAPSupplier.Status__c = '' ; 
            if( oracleAPSupplier.DeactivatedDate__c != null ){
                oracleAPSupplier.Status__c = 'void' ;        
            }   
            /*
            if(oracleAPSupplier.SupplierCategory__c != 'NSFE'){
                errorString += 'Supplier Category is not NSFE ,' ;            
            }
            */
            if(oracleAPSupplier.SupplierName__c == null || oracleAPSupplier.SupplierName__c == ''){
                errorString += 'No Supplier Name ,' ;           
            }  
            
            /*
            if(oracleAPSupplier.EntityName__c == null){
                errorString += 'No Entity Name ,' ;            
            }
            */
            
            /*
            if(oracleAPSupplier.Currency__c == null){
                errorString += 'No Currency ,' ;            
            }
            */
            
            if(oracleAPSupplier.SupplierAddress__c == null || oracleAPSupplier.SupplierAddress__c == ''){
                errorString += 'No Address ,' ;           
            }  
            
            if(oracleAPSupplier.SupplierCity__c == null || oracleAPSupplier.SupplierCity__c == ''){
                errorString += 'No City ,' ;           
            } 
            
            if(oracleAPSupplier.SupplierCountry__c == null || oracleAPSupplier.SupplierCountry__c == ''){
                errorString += 'No Country ,' ;           
            }  
            
            String errorDescription ;
            if(errorString != ''){
                errorDescription = 'Not inserted with listed reason -- '+ errorString.removeEnd(',');
                system.debug('-->Error'+errorDescription);
            }
            
            
            if(errorString == ''){
                validSuppliers.add(oracleAPSupplier);                
            }
            else{
                oracleAPSupplier.ProcessDate__c = system.now();
                oracleAPSupplier.ProcessStatus__c = 'Error' ;
                oracleAPSupplier.ErrorDescription__c = errorDescription  ;
                invalidSuppliers.add(oracleAPSupplier);
            }
            
                     
        }
       
        
       system.debug('-->Valid Suppliers'+validSuppliers);
       system.debug('-->inValid Suppliers'+invalidSuppliers);
   
       suppliersWithStatus.addAll(invalidSuppliers);
       insertValidSuppliers(validSuppliers);
       
       update suppliersWithStatus ;
        
    }   
    
    private void insertValidSuppliers(List<MTX_SupplierOracleAP__c> validSuppliers ){
    
         List<String> supplierIds = new List<String>();
         List<Account> supplierAccounts = new List<Account>();
         Map<String , Contact> supplierContacts = new Map<String ,Contact>();
         List<MTX_Address__c> supplierAddresses = new List<MTX_Address__c>();
         
         for(MTX_SupplierOracleAP__c oracleAPSupplier : validSuppliers){
             
             supplierIds.add(oracleAPSupplier.Id);
             
             Account acc = new Account();
             acc.RecordTypeId = Schema.SObjectType.Account.getRecordTypeInfosByName().get('Supplier').RecordTypeId;
             acc.Name = 'test oracle AP interface' ;
             acc.AccountNumber = oracleAPSupplier.SupplierNumber__c ;
             acc.GSLSiteNumber__c = oracleAPSupplier.SupplierSiteNumber__c ;
             acc.SiteName__c = oracleAPSupplier.SupplierSiteName__c ;
             acc.Company_Reg_Number__c = oracleAPSupplier.EntityNumber__c ;
             //acc.CreatedDate = oracleAPSupplier.ActivatedDate__c ;
             //acc.SupplierStatus__c = oracleAPSupplier.DeactivatedDate__c ;
             acc.SupplierStatus__c = oracleAPSupplier.Status__c ;
             acc.Phone = oracleAPSupplier.SupplierTelephoneNumber__c;
             acc.Fax = oracleAPSupplier.SupplierFaxNumber__c ;
             acc.SupplierName__c = oracleAPSupplier.SupplierName__c ;
             acc.GSLNumber__c = oracleAPSupplier.NewGSLNumber__c ;
             acc.SiteName__c = oracleAPSupplier.NewSiteName__c ;
             //acc.SupplierPaymentType__c = oracleAPSupplier.PaymentTerms__c ;
             acc.Currency__c = oracleAPSupplier.CurrencyIsoCode ;
             acc.Email__c = oracleAPSupplier.SupplierEmail__c;
             //acc.VAT_Number__c = oracleAPSupplier.VatRegistrationNumber__c ;   //FIELD_CUSTOM_VALIDATION_EXCEPTION, VAT Number is not required if Country is BLANK: [VAT_Number__c]
             //acc.SupplierCategory__c = oracleAPSupplier.NSFECapexSupplier__c ; Bad picklist value error
             
             supplierAccounts.add(acc);
             
             
             Contact con = new Contact();
             //con.AccountId = acc.Id ;
             con.LastName = oracleAPSupplier.RemitContLastName__c ;
             con.FirstName= oracleAPSupplier.RemitContFirstName__c ;
             con.Fax = oracleAPSupplier.RemittanceFaxNr__c ;
             con.Email = oracleAPSupplier.RemittanceEmail__c ;
             con.Phone = oracleAPSupplier.RemittanceTelephoneNr__c ;
             //con.Mobile = oracleAPSupplier.SupplierMobileNr__c ;
             //con.Name = oracleAPSupplier.SupplierContact__c;
             supplierContacts.put(oracleAPSupplier.Id , con);
            
             
             MTX_Address__c address = new MTX_Address__c();
             address.AddressLine1__c = oracleAPSupplier.SupplierAddress__c;
             address.City__c = oracleAPSupplier.SupplierCity__c ;
             address.PostCode__c = oracleAPSupplier.SupplierZipCode__c ;
             address.Country__c = oracleAPSupplier.SupplierCountry__c ; 
             supplierAddresses.add(address);
            
                   
         }
         
          system.debug('account size is-->'+supplierAccounts.size());
          system.debug('contact size is-->'+supplierContacts.size());
          system.debug('address size is-->'+supplierAddresses.size());
          
          
          Map<String,String> mapSupplierWithAccount = new Map<String,String>();
          Database.SaveResult[] accountsResult = Database.insert( supplierAccounts , false ) ;
          
          for (Integer i = 0; i < accountsResult.size(); i++ ) {
              if(accountsResult[i].isSuccess()){
                  mapSupplierWithAccount.put(supplierIds[i],accountsResult[i].getId());
              }  
              else {
                    String ErrorMessage = 'ERROR ::' ;
                    // Operation failed, so get all errors                
                    for(Database.Error err : accountsResult[i].getErrors()) {
                        ErrorMessage += err.getMessage()  + '::';
                        System.debug('The following error has occurred.');                    
                        System.debug(err.getStatusCode() + ': ' + err.getMessage());
                        System.debug('Account fields that affected this error: ' + err.getFields());
                    }
                    mapSupplierWithAccount.put(supplierIds[i],ErrorMessage);
                }        
          }
          system.debug('Accounts are -->'+mapSupplierWithAccount);
          Map<String,String> mapSupplierWithAddress = new Map<String,String>();
          Database.SaveResult[] addressResult = Database.insert( supplierAccounts , false ) ;
          
          for (Integer i = 0; i < addressResult.size(); i++ ) {
              if(addressResult[i].isSuccess()){
                  mapSupplierWithAddress.put(supplierIds[i],addressResult[i].getId());
              }  
              else {
                    String ErrorMessage = 'ERROR ::' ;
                    // Operation failed, so get all errors                
                    for(Database.Error err : addressResult[i].getErrors()) {
                        ErrorMessage += err.getMessage()  + '::';
                        System.debug('The following error has occurred.');                    
                        System.debug(err.getStatusCode() + ': ' + err.getMessage());
                        System.debug('Account fields that affected this error: ' + err.getFields());
                    }
                    mapSupplierWithAddress.put(supplierIds[i],ErrorMessage);
                }        
          }
          system.debug('Addresses are -->'+mapSupplierWithAddress);
          List<MTX_AccountAddress__c> accountAddresses = new List<MTX_AccountAddress__c>();
          for(String supplierId : mapSupplierWithAccount.keySet()){
          
              if( ! mapSupplierWithAccount.get(supplierId).contains('ERROR ::')){
                  
                  if(! mapSupplierWithAddress.get(supplierId).contains('ERROR ::')){
              
                      MTX_AccountAddress__c accAddress = new MTX_AccountAddress__c();
                      accAddress.Account__c = mapSupplierWithAccount.get(supplierId) ;
                      accAddress.Address__c = mapSupplierWithAddress.get(supplierId) ;
                      accountAddresses.add(accAddress) ; 
                  
                  }
                  
                  Contact con = supplierContacts.get(supplierId);
                  con.AccountId = mapSupplierWithAccount.get(supplierId) ;
                  supplierContacts.put(supplierId, con);
                  
                    MTX_SupplierOracleAP__c supplier = new MTX_SupplierOracleAP__c(Id = supplierId);
                   supplier.ProcessDate__c = system.now();
                   supplier.ProcessStatus__c = 'Success' ;
                   //supplier.ErrorDescription__c = oracleSupplier.ErrorDescription__c ;
                   suppliersWithStatus.add(supplier);
                  
              }  
              
              else {
                   MTX_SupplierOracleAP__c supplier = new MTX_SupplierOracleAP__c(Id = supplierId);
                   supplier.ProcessDate__c = system.now();
                   supplier.ProcessStatus__c = 'Error' ;
                   supplier.ErrorDescription__c = mapSupplierWithAccount.get(supplierId) ;
                   suppliersWithStatus.add(supplier);
              }            
          }
          
          insert supplierContacts.values();
          insert accountAddresses ;
         
    
    }
    
    public void sendEmail(){
    
        // Reference the attachment page, pass in the account ID
        PageReference supplierPage = Page.MTX_SupplierLogFile;
        
        // Take the PDF content
        Blob b = supplierPage .getContent();
        
        OrgWideEmailAddress owa = [select id, DisplayName, Address from OrgWideEmailAddress limit 1];
        // Create the email attachment
        Messaging.EmailFileAttachment efa = new Messaging.EmailFileAttachment();
        efa.setFileName('supplierLog.txt');
        efa.setBody(b);
        
        Messaging.SingleEmailMessage email = new Messaging.SingleEmailMessage();

        // Sets the paramaters of the email
        email.setSubject( 'Test Email for Supplier Log');
        email.setToAddresses( new List<String>{'VR00471039@techmahindra.com'});
        email.setPlainTextBody( 'Hello PFA.');
        email.setOrgWideEmailAddressId(owa.id);
        email.setFileAttachments(new Messaging.EmailFileAttachment[] {efa});

        // Sends the email
        Messaging.SendEmailResult [] r = 
            Messaging.sendEmail(new Messaging.SingleEmailMessage[] {email});   

    }

}