HI all
Can anyone help me in writing a test class for below class.
Public Class QuotationController
{
   
    Public quoteInfo Quote {get;set;}     
    private final Quotation__c QuotationRec;

    public QuotationController(ApexPages.StandardController controller) {
        QuotationRec=(Quotation__c)controller.getRecord();
        Quotation__c QuotationRec=getQuotationRec(QuotationRec.Id);
        getQuote(QuotationRec);
    }
    
    Public quoteInfo getQuote(Quotation__c Quotation)
    {
        Query__c Query=[Select Id,Name,Client__c,Destination__c,Duration__c,Hotel_Category__c,Meal_Plan__c,Source__c from Query__c where Id=:Quotation.Query__c];
        
        Quote=New quoteInfo();
        Quote.QuoteNumber=Quotation.Name;
        Quote.Client=getContactInfo(Query.Client__c);
        Quote.QuotationValidTill=Quotation.Quotation_Valid_Till__c; 
        Quote.companyinfoRec=getcompanyInfo(Quotation.Id);
        Quote.hotelInfoList=gethotelInfo(Quotation.Id);     
        Quote.excursionInfoList=getexcursionInfo(Quotation.Id); 
        Quote.source=getDestinationInfo(Query.Source__c);
        Quote.destination=getDestinationInfo(Query.Destination__c); 
        Quote.HotelCharge=Quotation.Hotel_Charge__c;    
        Quote.ExcursionCharge=Quotation.Excursion_Charge__c;    
        Quote.GST=Quotation.GST__c; 
        Quote.PackageCost=Quotation.Package_Cost__c;
        Quote.Markup=Quotation.Markup__c;
        Quote.Itinerary=Quotation.Itinerary__c;     
        Quote.ProposedByName=Quotation.Createdby.Name;          
        System.debug('<===Quote==>'+Quote);
        return Quote;
    }    
    
    Public Quotation__c getQuotationRec(String QuotationId)
    {
        Quotation__c Q=[SELECT Createdby.Name,Excursion_Charge__c,GST__c,Hotel_Charge__c,Id,Itinerary__c,Markup__c,Name,Package_Cost__c,Query__c,Quotation_Valid_Till__c,Quoted_By__c,Status__c FROM Quotation__c Where Id=:QuotationId];
        return Q;
    }    
    
    Public Contact getContactInfo(String ContactId)
    {
       System.debug('<==ContactId==>'+ContactId);
        Contact C=[Select Id,Name,Email,MailingStreet,MailingCity,MailingPostalCode ,MailingCountry,HomePhone  From Contact Where Id=:ContactId];
        return C;
    }   
    
    Public Destination__c getDestinationInfo(String DestinationId)
    {
        Destination__c D=[Select Id,Name,Country__c From Destination__c Where Id=:DestinationId];
        return D;
    }      
    
    
    Public companyInfo getcompanyInfo(String QuoteId)
    {
        Company_Information__c CompInf=Company_Information__c.getInstance(UserInfo.getOrganizationId());
        companyInfo CI=New companyInfo();       
        CI.Name=CompInf.Name;
        CI.Address=CompInf.Address__c;
        CI.Email=CompInf.Email__c;
        CI.Phone=CompInf.Mobile__c;
        CI.Website=CompInf.Website__c;
        CI.Follow=CompInf.Follow_on_Facebook__c;        
        return CI;
    }
    
    Public List<hotelInfo> gethotelInfo(String QuoteId)
    {
        List<hotelInfo>hotelInfoList=New List<hotelInfo>();
        List<Hotel__c>HotelList=New List<Hotel__c>();   
        Map<Id,Hotel_Information__c>HotelInfoMap=New Map<Id,Hotel_Information__c>();        
        Set<Id>HotelIds=New Set<Id>();
        
        List<Hotel_Information__c>HIlist=[Select ID,Hotel__c,Hotel_Charge__c,Request__c,Payable_Amount__c from Hotel_Information__c where Quotation__c=:QuoteId];
        for(Hotel_Information__c E:HIlist )
        {
            HotelInfoMap.put(E.Hotel__c,E);
            HotelIds.add(E.Hotel__c);
        }
        
        HotelList=[Select Id,Name,Rate__c,Category__c,City__c,Country__c,State__c from Hotel__c where id=:HotelIds];
        
        for(Hotel__c E:HotelList)
        {
            Hotel_Information__c HIN=HotelInfoMap.get(E.Id);
            hotelInfo HI=New hotelInfo();
            HI.Name=E.Name;
            HI.Category=E.Category__c;  
            HI.City=E.City__c;  
            HI.Country=E.Country__c;                
            HI.Rate=E.Rate__c;  
            HI.NumberofNights=HIN.Request__c;
            HI.Amount=HIN.Payable_Amount__c;            
            hotelInfoList.add(HI);          
        }
                
        return hotelInfoList;     
    }       
    
    Public List<excursionInfo> getexcursionInfo(String QuoteId)
    {
        List<excursionInfo>excursionInfoList=New List<excursionInfo>();
        List<Excursions__c>ExcursionsList=New List<Excursions__c>();    
        Map<Id,Excursion_INformation__c>ExcursionMap=New Map<Id,Excursion_INformation__c>();        
        Set<Id>ExcursionIds=New Set<Id>();
        
        List<Excursion_INformation__c>EIlist=[Select ID,Excursion__c,Excursion_Charge__c,Number_of_Persons__c,Payable_Amount__c from Excursion_INformation__c where Quotation__c=:QuoteId];
        for(Excursion_INformation__c E:EIlist )
        {
            ExcursionMap.put(E.Excursion__c,E);
            ExcursionIds.add(E.Excursion__c);
        }
        
        ExcursionsList=[Select Id,Name,Rate__c from Excursions__c where id=:ExcursionIds];
        
        for(Excursions__c E:ExcursionsList)
        {
            Excursion_INformation__c EIN=ExcursionMap.get(E.Id);
            excursionInfo EI=New excursionInfo();
            EI.Name=E.Name;
            EI.Rate=E.Rate__c;      
            EI.NumberofPerson=EIN.Number_of_Persons__c;   
            EI.Amount=EIN.Payable_Amount__c;
            excursionInfoList.add(EI);          
        }
                
        return excursionInfoList;     
    }       


    Public class quoteInfo
    {
        public string QuoteNumber {get;set;}
        public contact Client {get;set;}
        public Date QuotationValidTill {get;set;}       
        public companyInfo companyinfoRec {get;set;}
        public list<hotelInfo> hotelInfoList {get;set;}
        public list<excursionInfo> excursionInfoList {get;set;}
        public Destination__c source {get;set;}
        public Destination__c destination {get;set;}
        public Decimal HotelCharge {get;set;}
        public Decimal ExcursionCharge {get;set;}
        public Decimal GST {get;set;}
        public Decimal PackageCost {get;set;}   
        public Decimal Markup {get;set;}    
        public string Itinerary {get;set;}     
        public string ProposedByName {get;set;}                       
    }


    Public class companyInfo
    {
        public string Name {get;set;}
        public string Address {get;set;}
        public string Email {get;set;}
        public string Phone {get;set;}
        public string Website {get;set;}
        public string Follow{get;set;}        
    }
    
    Public class hotelInfo
    {
        public string Name {get;set;}
        public string Category {get;set;}
        public string City {get;set;}
        public string Country {get;set;}        
        public Decimal Rate {get;set;}
        public Decimal NumberofNights {get;set;}
        public Decimal Amount {get;set;}
    }       
    
    Public class excursionInfo
    {
        public string Name {get;set;}
        public Decimal Rate {get;set;}
        public Decimal NumberofPerson {get;set;}
        public Decimal Amount {get;set;}
    } 
    
             
}