Source code

You can get the source code for all the examples from this document from SourceForge (http://sourceforge.net/projects/fixturegallery). A lot of examples in this document demonstrate how to work with business domain services and objects. To keep things as simple as possible, and still show all relevant features, all those examples use the following "business" classes:

package info.fitnesse.fixturegallery.domain;

import java.util.ArrayList;
import java.util.List;

public class Player{
	public String name; 
	public String postCode; 
	public double balance;
	public double getCreditLimit(){
		return balance;
	}
	public Player(){
	}
	public Player(String name, String postCode, double balance){
		this.name=name; this.postCode=postCode; this.balance=balance;
	}
	public static List<Player> players=new ArrayList<Player>();
	public static void addPlayer(String name, String postCode, double balance){
		players.add(new Player(name,postCode,balance));
	}
}

package info.fitnesse.fixturegallery.domain;

import java.util.LinkedList;

public class Queue {
	private LinkedList<String> ll=new java.util.LinkedList<String>();
	public String dequeue(){
		return ll.poll();
	}
	public void enqueue(String s){
		ll.add(s);
	}
	public int getCount(){
		return ll.size();
	}
}

package info.fitnesse.fixturegallery.domain;

public class TaxCalculator
{
  public double GetTax(String code, double price)
  {
    if (code.startsWith("B")) return 0;
    return 0.1 * price;
  }
}

package info.fitnesse.fixturegallery.domain;

public class Words {
	public String firstPart;
	public String secondPart;
	public String together(){
		return firstPart+", "+secondPart;
	}
	public String getSentence(){
		return together();
	}
	public static Words[] firstExample(){
		Words[] someWords=new Words[2];
		someWords[0]=new Words();
		someWords[0].firstPart="Hello";
		someWords[0].secondPart="World";
		someWords[1]=new Words();
		someWords[1].firstPart="Houston";
		someWords[1].secondPart="We Have a Problem";
		return someWords;
	}
}

using System;
using System.Collections.Generic;
using System.Text;

namespace info.fitnesse.fixturegallery
{
    
    public class Player
    {
        public static List<Player> players=new List<Player>();

        private string _name;

        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }
        private string _postCode;

        public string PostCode
        {
            get { return _postCode; }
            set { _postCode= value; }
        }
        private decimal _balance;

        public decimal Balance
        {
            get { return _balance; }
            set { _balance = value; }
        }
        public decimal CreditLimit()
        {
            return _balance;
        }
    }
    public class Text
    {
        public String word;
        public Text(String w)
        {
            word = w;
        }
        public int TotalLength
        {
            get { return word.Length; }
        }
    }
    public class TaxCalculator
    {
        public decimal GetTax(String code, decimal price)
        {
            if (code.StartsWith("B")) return 0;
            return 0.1m * price;
        }
    }


}

class Player(object):
    _typeDict = {
        "name":     "String",
        "postCode": "String",
        "balance":  "Float"
    }

    def __init__(self, name="", postCode="", balance=0.0):
        self.name     = name
        self.postCode = postCode
        self.balance  = balance

    def getCreditLimit(self):
        return self.balance

    _typeDict["creditLimit"] = "Float"
    creditLimit = property(getCreditLimit)

    # -- DATA STORE: Players object store, simplistic database.
    players = []    #< CLASS-ATTRIBUTE
    @classmethod
    def addPlayer(cls, name, postCode, balance):
        cls.players.append(Player(name, postCode, balance))

class Queue(object):
    _typeDict = {
        "Enqueue.RenameTo": "enqueue" #< NEEDED-FOR: SystemUnderTestExample
    }

    def __init__(self):
        self.ll = []

    _typeDict["dequeue"] = "String"
    _typeDict["dequeue.types"] = [ "String" ]
    def dequeue(self):
        return self.ll.pop(0)

    _typeDict["enqueue"] = "String"
    _typeDict["enqueue.types"] = [ None, "String" ]
    def enqueue(self, s):
        return self.ll.append(s)

    def getCount(self):
        return len(self.ll)
    _typeDict["count"] = "Integer"
    count = property(getCount)

import types

class TaxCalculator(object):

    def getTax(self, code, price):
        assert isinstance(code, types.StringTypes)
        assert type(price) == types.FloatType
        if code.startswith("B"):
            return 0
        return 0.1 * price

class Words(object):
    _typeDict = {
        "firstPart":  "String",
        "secondPart": "String"
    }

    def __init__(self, firstPart="", secondPart=""):
        self.firstPart  = firstPart
        self.secondPart = secondPart

    _typeDict["together"] = "String"
    def together(self):
        return "%s, %s" % (self.firstPart, self.secondPart)

    _typeDict["getSentence"] = "String"
    def getSentence(self):
        return self.together()

    @staticmethod
    def firstExample():
        someWords = [ None, None ]
        someWords[0] = Words(firstPart="Hello",   secondPart="World")
        someWords[1] = Words(firstPart="Houston", secondPart="We Have a Problem")
        return someWords

'From VisualWorks®, 7.6 of March 3, 2008 on July 3, 2008 at 1:31:48 pm'!


Smalltalk defineNameSpace: #Info
	private: false
	imports: '
			private Smalltalk.*
			'
	category: ''!

Smalltalk.Info defineNameSpace: #Fitnesse
	private: false
	imports: '
			private Smalltalk.*
			'
	category: ''!

Info.Fitnesse defineNameSpace: #Fixturegallery
	private: false
	imports: '
			private Smalltalk.*
			private Fit.*
			private Info.Fitnesse.Fixturegallery.Domain.*
			'
	category: ''!

Info.Fitnesse.Fixturegallery defineNameSpace: #Domain
	private: false
	imports: '
			private Smalltalk.*
			'
	category: ''!

'From VisualWorks®, 7.6 of March 3, 2008 on July 3, 2008 at 1:31:55 pm'!


Info.Fitnesse.Fixturegallery.Domain defineClass: #Player
	superclass: #{Core.Object}
	indexedType: #none
	private: false
	instanceVariableNames: 'name postCode balance '
	classInstanceVariableNames: ''
	imports: ''
	category: ''!

Info.Fitnesse.Fixturegallery.Domain.Player defineSharedVariable: #Players
	private: false
	constant: false
	category: 'accessing'
	initializer: 'OrderedCollection new'!

#{Info.Fitnesse.Fixturegallery.Domain.Player.Players} initialize!

"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!


!Info.Fitnesse.Fixturegallery.Domain.Player class methodsFor: 'players'!

addPlayerNamed: nameString postCode: postCodeString balance: aNumber
	Players
		add: (self name: nameString postCode: postCodeString balance: aNumber)!

clearPlayers
	Players removeAll!

players
	^Players! !

!Info.Fitnesse.Fixturegallery.Domain.Player class methodsFor: 'instance creation'!

name: nameString postCode: postCodeString balance: aNumber
	^(self new)
		name: nameString;
		postCode: postCodeString;
		balance: aNumber;
		yourself! !

!Info.Fitnesse.Fixturegallery.Domain.Player class methodsFor: 'type access'!

signatureFor: aSymbol
	(#(#creditLimit #balance) includes: aSymbol) ifTrue: [^Number].
	^String! !

"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!


!Info.Fitnesse.Fixturegallery.Domain.Player methodsFor: 'accessing'!

balance
	^balance!

balance: aNumber
	balance := aNumber!

creditLimit
	^balance!

name
	^name!

name: aString
	name := aString!

postCode
	^postCode!

postCode: aString
	postCode := aString! !

!Info.Fitnesse.Fixturegallery.Domain.Player methodsFor: 'type access'!

signatureFor: aSymbol
	^self class signatureFor: aSymbol! !

'From VisualWorks®, 7.6 of March 3, 2008 on June 27, 2008 at 3:35:59 pm'!


Info.Fitnesse.Fixturegallery.Domain defineClass: #Queue
	superclass: #{Core.Object}
	indexedType: #none
	private: false
	instanceVariableNames: 'queue '
	classInstanceVariableNames: ''
	imports: ''
	category: ''!

"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!


!Info.Fitnesse.Fixturegallery.Domain.Queue class methodsFor: 'instance creation'!

new
	^super new initialize! !

"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!


!Info.Fitnesse.Fixturegallery.Domain.Queue methodsFor: 'accessing'!

count
	^queue size! !

!Info.Fitnesse.Fixturegallery.Domain.Queue methodsFor: 'operations'!

dequeue
	^queue removeFirst!

enqueue: aString
	queue add: aString! !

!Info.Fitnesse.Fixturegallery.Domain.Queue methodsFor: 'initialize-release'!

initialize
	queue := OrderedCollection new! !

!Info.Fitnesse.Fixturegallery.Domain.Queue methodsFor: 'type access'!

signatureFor: aSymbol
	aSymbol == #enqueue: ifTrue: [^Fit.MethodSignature with: String].
	aSymbol == #count ifTrue: [^Integer].
	aSymbol == #dequeue ifTrue: [^String]! !

'From VisualWorks®, 7.6 of March 3, 2008 on June 27, 2008 at 3:36:04 pm'!


Info.Fitnesse.Fixturegallery.Domain defineClass: #TaxCalculator
	superclass: #{Core.Object}
	indexedType: #none
	private: false
	instanceVariableNames: ''
	classInstanceVariableNames: ''
	imports: ''
	category: ''!

!Info.Fitnesse.Fixturegallery.Domain.TaxCalculator methodsFor: 'accessing'!

taxOn: aNumber forCode: aString
	^aString first = $B
		ifTrue: [0]
		ifFalse: [0.1 * aNumber]! !

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