nunit24/ClientUtilities/util/TestDomain.cs

   1 // ****************************************************************
   2 // This is free software licensed under the NUnit license. You
   3 // may obtain a copy of the license as well as information regarding
   4 // copyright ownership at http://nunit.org/?p=license&r=2.4.
   5 // ****************************************************************
   6
   7 using System;
   8
   9 namespace NUnit.Util
  10 {
  11         using System.Diagnostics;
  12         using System.Security.Policy;
  13         using System.Reflection;
  14         using System.Collections;
  15         using System.Configuration;
  16         using System.IO;
  17
  18         using NUnit.Core;
  19
  20         public class TestDomain : ProxyTestRunner, TestRunner
  21         {
  22                 #region Instance Variables
  23
  24                 /// <summary>
  25                 /// The appdomain used  to load tests
  26                 /// </summary>
  27                 private AppDomain domain;
  28
  29                 #endregion
  30
  31                 #region Constructors
  32                 public TestDomain() : base( 0 ) { }
  33
  34                 public TestDomain( int runnerID ) : base( runnerID ) { }
  35                 #endregion
  36
  37                 #region Properties
  38                 public AppDomain AppDomain
  39                 {
  40                         get { return domain; }
  41                 }
  42                 #endregion
  43
  44                 #region Loading and Unloading Tests
  45                 public override bool Load( TestPackage package )
  46                 {
  47                         Unload();
  48
  49                         try
  50                         {
  51                                 if ( this.domain == null )
  52                                         this.domain = Services.DomainManager.CreateDomain( package );
  53
  54                                 if ( this.TestRunner == null )
  55                                         this.TestRunner = MakeRemoteTestRunner( domain );
  56
  57                                 return TestRunner.Load( package );
  58                         }
  59                         catch
  60                         {
  61                                 Unload();
  62                                 throw;
  63                         }
  64                 }
  65
  66                 public override void Unload()
  67                 {
  68                         this.TestRunner = null;
  69
  70                         if(domain != null)
  71                         {
  72                                 Services.DomainManager.Unload(domain);
  73                                 domain = null;
  74                         }
  75                 }
  76                 #endregion
  77
  78                 #region MakeRemoteTestRunner Helper
  79                 private TestRunner MakeRemoteTestRunner( AppDomain runnerDomain )
  80                 {
  81                         Type runnerType = typeof( RemoteTestRunner );
  82                         object obj = runnerDomain.CreateInstanceAndUnwrap(
  83                                 runnerType.Assembly.FullName,
  84                                 runnerType.FullName,
  85                                 false, BindingFlags.Default,null,new object[] { this.ID },null,null,null);
  86
  87                         RemoteTestRunner runner = (RemoteTestRunner) obj;
  88
  89                         return runner;
  90                 }
  91                 #endregion
  92         }
  93 }