/src/NUnit/core/Extensibility/TestDecoratorCollection.cs

 1// ****************************************************************
 2// Copyright 2007, Charlie Poole
 3// This is free software licensed under the NUnit license. You may
 4// obtain a copy of the license at http://nunit.org.
 5// ****************************************************************
 6using System;
 7using System.Collections;
 8using System.Reflection;
 9
10namespace NUnit.Core.Extensibility
11{
12	/// <summary>
13	/// TestDecoratorCollection is an ExtensionPoint for TestDecorators and
14	/// implements the ITestDecorator interface itself, passing calls 
15	/// on to the individual decorators.
16	/// </summary>
17	public class TestDecoratorCollection : ExtensionPoint, IExtensionPoint2, ITestDecorator
18	{
19		#region Constructor
20		public TestDecoratorCollection(IExtensionHost host)
21			: base( "TestDecorators", host, 10 ) { }
22		#endregion
23
24		#region ITestDecorator Members
25
26		public Test Decorate(Test test, MemberInfo member)
27		{
28			Test decoratedTest = test;
29
30			foreach( ITestDecorator decorator in Extensions )
31				decoratedTest = decorator.Decorate( decoratedTest, member );
32
33			return decoratedTest;
34		}
35		#endregion
36
37		#region ExtensionPoint Overrides
38		protected override bool IsValidExtension(object extension)
39		{
40			return extension is ITestDecorator; 
41		}
42		#endregion
43	}
44}