Advanced Unit Testing, Part III - Testing Processes

using System;
using System.Collections;
using System.Diagnostics;
using System.Reflection;

namespace UTCore
{
	public class TestFixture
	{
		private TestNotificationDelegate notificationEvent;
		private TestFixtureAttribute tfa=null;		// one per TF
		private TestSetUpAttribute sua=null;		// one per TF
		private TestTearDownAttribute tda=null;		// one per TF
		private ArrayList testList=null;			// many per TF
		private Hashtable testsByName=null;
		private bool isProcessTest=false;

		public bool HasTestFixture
		{
			get {return tfa != null;}
		}

		public Assembly Assembly
		{
			get {return tfa.TestClass.Assembly;}
		}

		public string Namespace
		{
			get {return tfa.TestClass.Namespace;}
		}

		public int NumTests
		{
			get {return testList.Count;}
		}

		public bool IsProcessTest
		{
			get {return isProcessTest;}
			set {isProcessTest=value;}
		}

		public TestFixtureAttribute TFA
		{
			get {return tfa;}
		}

		public TestSetUpAttribute TestSetUp
		{
			get {return sua;}
		}

		public TestTearDownAttribute TestTearDown
		{
			get {return tda;}
		}

		public ArrayList TestList
		{
			get {return testList;}
		}

		public TestNotificationDelegate NotificationEvent
		{
			get {return notificationEvent;}
		}

		public TestAttribute this[string index]
		{
			get {return testsByName[index] as TestAttribute;}
		}

		public TestFixture()
		{
			testList=new ArrayList();
			testsByName=new Hashtable();
		}

		public void AddTestFixtureAttribute(TestFixtureAttribute tfa)
		{
			this.tfa=tfa;
		}

		public void AddTestSetUpAttribute(TestSetUpAttribute sua)
		{
			if (this.sua==null)
			{
				this.sua=sua;
			}
			else
			{
				Trace.WriteLine("Multiple setup methods are not allowed.");
			}
		}

		public void AddTestTearDownAttribute(TestTearDownAttribute tda)
		{
			if (this.tda==null)
			{
				this.tda=tda;
			}
			else
			{
				Trace.WriteLine("Multiple teardown methods are not allowed.");
			}
		}

		public void AddTestAttribute(TestAttribute ta)
		{
			testList.Add(ta);
			testsByName.Add(ta.TestMethod.ToString(), ta);
		}
	

		public void RunTests(TestNotificationDelegate testNotificationEvent)
		{
			notificationEvent=testNotificationEvent;
			TestFixtureRunner tfr=CreateTestFixtureRunner();
			tfr.RunTests();
		}

		public TestFixtureRunner CreateTestFixtureRunner()
		{
			if (isProcessTest)
			{
				return new TestFixtureRunProcess(this);
			}
			return new TestFixtureRunIndividual(this);
		}
	}
}