使用NUnit进行单元测试

NUnit适用于.Net开发中的单元测试，使用步骤如下

1、下载NUnit-2.2.2并解压或安装。

2、VS.Net中建立 项目，添加对NUnit.Framework.dll的引用,

3、创建新类AccountTest 测试已存在的类Account

4、将代码编译为DLL或exe文件，在nunit-gui主程序中打开编译过的程序，选中要运行的Test Case点Run

另外，配合DCGWin,可将NUnit的测试结果(保存的XML文件)生成html格式的测试报告.

public class Account
       {
              private float balance;

              public void Deposit(float amount)
              {
                     balance += amount;
              }

              public void Withdraw(float amount)
              {
                     balance -= amount;
              }

              public void TransferFunds(Account destination, float amount)
              {
                     this.balance-=amount;
                     destination.balance+=amount;
              }

              public float Balance
              {
                     get
                     {
                            return balance;
                     }
                     set
                     {
                            balance=value;
                     }
              }
       }

       [TestFixture(Description="帐号测试")]
       public class AccountTest
       {

              [Test(Description="转帐测试")]
              public void TransferFunds()
              {
                     Account source = new Account();
                     source.Deposit(200.00F);
                     Account destination = new Account();
                     destination.Deposit(150.00F);

                     source.TransferFunds(destination, 100.00F);
                     Assert.AreEqual(250.00F, destination.Balance);//should be 250
                     Assert.AreEqual(100.00F, source.Balance);
                     Console.WriteLine("Funds Tranfer Event Tested Successfully");
              }

              [Test(Description="Account.Balance的Get属性")]
              public void GetTest()
              {
                     Account source=new Account();
                     source.Deposit(100.00F);
                     Assert.AreEqual(100,source.Balance);
                     Console.WriteLine("Balance Attributes Get Tested Successfully");
              }

              /// <summary>
              /// SetTest
              /// </summary>
              [Test(Description="Account.Balance的set属性测试")]
              public void SetTest()
              {
                     Account source=new Account();
                     source.Balance=100;
                    
                     Assert.AreEqual(100,source.Balance);
                     source.Balance-=50;
                     Console.WriteLine("Balance Attributes Set Tested Successfully");
                     Assert.AreEqual(50,source.Balance);

              }

              [Test(Description="取款测试")]
              public void WithDrawTest()
              {
                     Account source=new Account();
                     source.Deposit(100.00F);
                     source.Withdraw(20.00F);
                     Assert.AreEqual(80,source.Balance);
                     Console.WriteLine("Balance Attributes WithDraw Tested Successfully");
              }

              [Test(Description="存款测试")]                    
              public void DepositTest()
              {
                     Account source=new Account();
                     source.Deposit(100.00F);
                     Assert.AreEqual(100,source.Balance);
                     Console.WriteLine("Balance Attributes Deposit Tested Successfully");
              }
       }

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