254 lines
7.9 KiB
HTML
254 lines
7.9 KiB
HTML
<!-- saved from url=(0014)about:internet --><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
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<title>NUnit - Teardown</title>
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<a href="http://www.nunit.org">NUnit</a>
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<div id="content">
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<script language="JavaScript" src="codeFuncs.js" ></script> <!-- Do it this way for IE -->
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<h3>TearDownAttribute (NUnit 2.0 / 2.5)</h3>
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<p>This attribute is used inside a <a href="testFixture.html">TestFixture</a> to provide a common set of functions that are performed after each test method.
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It is also used inside a <a href="setupFixture.html">SetUpFixture</a></b>,
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where it provides the same functionality at the level of a namespace or assembly.
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<p><b>Before NUnit 2.5</b>, a class could have only one TearDown method
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and it was required to be an instance method.
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<p><b>Beginning with NUnit 2.5</b>, TearDown methods may be either static or
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instance methods and you may define more than one of them in a fixture.
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Normally, multiple TearDown methods are only defined at different levels
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of an inheritance hierarchy, as explained below.
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<p>So long as any SetUp method runs without error, the TearDown method is
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guaranteed to run. It will not run if a SetUp method fails or throws an
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exception.</p>
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<h4>Example:</h4>
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<div class="code">
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<div class="langFilter">
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<a href="javascript:Show('DD1')" onmouseover="Show('DD1')"><img src="img/langFilter.gif" width="14" height="14" alt="Language Filter"></a>
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<div id="DD1" class="dropdown" style="display: none" onclick="Hide('DD1')">
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<a href="javascript:ShowCS()">C#</a><br>
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<a href="javascript:ShowVB()">VB</a><br>
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<a href="javascript:ShowMC()">C++</a><br>
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<a href="javascript:ShowJS()">J#</a><br>
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</div>
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</div>
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<pre class="cs">namespace NUnit.Tests
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{
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using System;
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using NUnit.Framework;
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[TestFixture]
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public class SuccessTests
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{
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[SetUp] public void Init()
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{ /* ... */ }
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[TearDown] public void Cleanup()
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{ /* ... */ }
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[Test] public void Add()
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{ /* ... */ }
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}
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}
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</pre>
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<pre class="vb">Imports System
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Imports Nunit.Framework
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Namespace Nunit.Tests
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<TestFixture()> Public Class SuccessTests
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<SetUp()> Public Sub Init()
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' ...
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End Sub
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<TearDown()> Public Sub Cleanup()
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' ...
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End Sub
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<Test()> Public Sub Add()
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' ...
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End Sub
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End Class
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End Namespace
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</pre>
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<pre class="mc">#using <Nunit.Framework.dll>
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using namespace System;
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using namespace NUnit::Framework;
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namespace NUnitTests
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{
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[TestFixture]
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public __gc class SuccessTests
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{
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[SetUp] void Init();
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[TearDown] void Cleanup();
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[Test] void Add();
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};
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}
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#include "cppsample.h"
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namespace NUnitTests {
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// ...
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}
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</pre>
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<pre class="js">package NUnit.Tests;
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import System.*;
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import NUnit.Framework.TestFixture;
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/** @attribute NUnit.Framework.TestFixture() */
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public class SuccessTests
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{
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/** @attribute NUnit.Framework.SetUp() */
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public void Init()
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{ /* ... */ }
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/** @attribute NUnit.Framework.TearDown() */
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public void Cleanup()
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{ /* ... */ }
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/** @attribute NUnit.Framework.Test() */
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public void Add()
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{ /* ... */ }
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}
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</pre>
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</div>
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<h3>Inheritance</h3>
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<p>The TearDown attribute is inherited from any base class. Therefore, if a base
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class has defined a TearDown method, that method will be called
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after each test method in the derived class.
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<p>Before NUnit 2.5, you were permitted only one TearDown method. If you wanted to
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have some TearDown functionality in the base class and add more in the derived
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class you needed to call the base class method yourself.
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<p>With NUnit 2.5, you can achieve the same result by defining a TearDown method
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in the base class and another in the derived class. NUnit will call base
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class TearDown methods after those in the derived classes.
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<p><b>Note:</b> Although it is possible to define multiple TearDown methods
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in the same class, you should rarely do so. Unlike methods defined in
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separate classes in the inheritance hierarchy, the order in which they
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are executed is not guaranteed.
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<h4>See also...</h4>
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<ul>
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<li><a href="setup.html">SetUpAttribute</a><li><a href="fixtureSetup.html">TestFixtureSetUpAttribute</a><li><a href="fixtureTeardown.html">TestFixtureTearDownAttribute</a><li><a href="setupFixture.html">SetUpFixtureAttribute</a></ul>
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