TearDownAttribute (NUnit 2.0)

This attribute is used inside a TestFixture to provide a common set of functions that are performed after each test method is run. A TestFixture can have only one TearDown method. If more than one is defined the TestFixture will compile successfully, but its tests will not run.

So long as any SetUp method runs without error, the TearDown method is guaranteed to run. It will not run if a SetUp method fails or throws an exception.

Example:

Language Filter 
namespace NUnit.Tests
{
  using System;
  using NUnit.Framework;

  [TestFixture]
  public class SuccessTests
  {
    [SetUp] public void Init()
    { /* ... */ }

    [TearDown] public void Cleanup()
    { /* ... */ }

    [Test] public void Add()
    { /* ... */ }
  }
}

Imports System
Imports Nunit.Framework

Namespace Nunit.Tests

  <TestFixture()> Public Class SuccessTests
    <SetUp()> Public Sub Init()
    ' ...
    End Sub

    <TearDown()> Public Sub Cleanup()
    ' ...
    End Sub

    <Test()> Public Sub Add()
    ' ...
    End Sub
  End Class
End Namespace

#using <Nunit.Framework.dll>
using namespace System;
using namespace NUnit::Framework;

namespace NUnitTests
{
  [TestFixture]
  public __gc class SuccessTests
  {
    [SetUp] void Init();
    [TearDown] void Cleanup();

    [Test] void Add();
  };
}

#include "cppsample.h"

namespace NUnitTests {
  // ...
}

package NUnit.Tests;

import System.*;
import NUnit.Framework.TestFixture;


/** @attribute NUnit.Framework.TestFixture() */
public class SuccessTests
{
  /** @attribute NUnit.Framework.SetUp() */
  public void Init()
  { /* ... */ }

  /** @attribute NUnit.Framework.TearDown() */
  public void Cleanup()
  { /* ... */ }

  /** @attribute NUnit.Framework.Test() */
  public void Add()
  { /* ... */ }
}

Inheritance

The TearDown attribute is inherited from any base class. Therefore, if a base class has defined a TearDown method, that method will be called after each test method in the derived class. If you wish to add more TearDown functionality in a derived class you need to mark the method with the appropriate attribute and then call the base class method.

See also...