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<h3>PropertyAttribute (NUnit 2.4)</h3>
<p>The Property attribute provides a generalized approach to setting named
properties on any test case or fixture, using a name/value pair.</p>
<p>In the example below, the fixture class MathTests is given a Location
value of 723 while the test case AdditionTest is given a Severity
of "Critical"</p>
<h4>Example:</h4>
<div class="code">
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<pre class="cs">namespace NUnit.Tests
{
using System;
using NUnit.Framework;
[TestFixture, Property("Location",723)]
public class MathTests
{
[Test, Property("Severity", "Critical")]
public void AdditionTest()
{ /* ... */ }
}
}
</pre>
<pre class="vb">Imports System
Imports Nunit.Framework
Namespace Nunit.Tests
<TestFixture(), Property("Location",723)>
Public Class MathTests
<Test(), Property("Severity","Critical")>
Public Sub AdditionTest()
' ...
End Sub
End Class
End Namespace
</pre>
<pre class="mc">#using <Nunit.Framework.dll>
using namespace System;
using namespace NUnit::Framework;
namespace NUnitTests
{
[TestFixture, Property("Location",723)]
public __gc class MathTests
{
[Test, Property("Severity","Critical")] void AdditionTest();
};
}
#include "cppsample.h"
namespace NUnitTests {
// ...
}
</pre>
<pre class="js">package NUnit.Tests;
import System.*;
import NUnit.Framework.TestFixture;
/** @attribute NUnit.Framework.TestFixture() */
/** @attribute NUnit.Framework.Property("Location",723) */
public class MathTests
{
/** @attribute NUnit.Framework.Test() */
/** @attribute NUnit.Framework.Property("Severity","Critical") */
public void AdditionTest()
{ /* ... */ }
}
</pre>
</div>
<h4>Usage Note</h4>
<p>The PropertyAttribute is not used for any purpose by NUnit itself, but
it does display them in the XML output file and in the Test Properties
dialog of the gui.</p>
<p>It is
possible to write extensions that access the value of specific properties.
It is also possible to access the value of properties from within a test
using reflection.</p>
<h3>Custom Property Attributes</h3>
<p>Users can define custom
attributes that derive from <b>PropertyAttribute</b> and have them
recognized by NUnit. PropertyAttribute provides a protected constructor
that takes the value of the property and sets the property name to the
name of the derived class.
<p>Here's an example that creates a Severity property. It works
just like any other property, but has a simpler syntax and is type-safe.
A test reporting system might make use of the property to provide special reports.
<div class=code><pre>
public enum SeverityLevel
{
Critical,
Major,
Normal,
Minor
}
[AttributeUsage(AttributeTargets.Method, AllowMultiple=false)]
public class SeverityAttribute : PropertyAttribute
{
public SeverityAttribute( SeverityLevel level )
: base( level );
}
...
[Test, Severity( SeverityLevel.Critical)]
public void MyTest()
{ /*...*/ }
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