Thursday, 15 November 2007

Unit Test I created to force the load of Referenced DLLs

One of the issues with .NET applications is that they will load references Just In Time (JIT). I did this code about 2.5 years ago - but it is still useful to force the load of referenced DLLs in case your setup package doesn't deploy DLLs correctly. This code allows you to do a "sanity check" on your application if a user reports bugs when the install your Service/Windows Forms application.



   1:  using System;

   2:  using System.Collections;

   3:  using System.Reflection;

   4:  using NUnit.Framework;

   5:   

   6:  namespace UnitTest

   7:  {

   8:         /// <summary>

   9:         /// Forces load of all assemblies to stop any problems when the Setup Package doesn't have all the correct DLLs 

  10:         ///(we had this specific problem when DLLs were added to SSW.Framework.WindowsUI.WizardForms  FuelAdvance.Components.Windows.Wizards.dll)

  11:         /// (davidklein@ssw.com.au 17/06/2005)

  12:         /// </summary>

  13:         /// 

  14:         [TestFixture()]

  15:         public class DLLDependencyTest

  16:         {

  17:                private static ArrayList m_LoadedDLLs;

  18:   

  19:                public DLLDependencyTest()

  20:                {

  21:                       m_LoadedDLLs = new ArrayList();

  22:                       TestLoadReferencedDLLs();

  23:                }

  24:   

  25:                [Test()]

  26:                public void TestLoadReferencedDLLs()

  27:                {

  28:                       Assembly applicationToTest = AppDomain.CurrentDomain.Load("SSWeXtremeEmails");

  29:                       LoadDLL(applicationToTest);

  30:                }

  31:   

  32:                private static void LoadDLL(Assembly assembly)

  33:                {

  34:                       AssemblyName[] referencedAssemblies = assembly.GetReferencedAssemblies();

  35:                       foreach (AssemblyName referencedAssemblyName in referencedAssemblies)

  36:                       {

  37:                             Assembly currentReferencedAssembly = Assembly.Load(referencedAssemblyName);

  38:                             if (!m_LoadedDLLs.Contains(currentReferencedAssembly.FullName))

  39:                             {

  40:                                    m_LoadedDLLs.Add(currentReferencedAssembly.FullName);

  41:                                    LoadDLL(currentReferencedAssembly);

  42:                             }

  43:                       }

  44:                }

  45:         }

  46:  }

1 comment:

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