Debugging C# Custom Installer Classes

System.Diagnostics.Debugger.Break()

[TestClass] public class InstallerTest {
[TestMethod]
public void InstallTest() {
  // substitute with your installer component here
  DataWarehouseInstall installer = new DataWarehouseInstall();

  string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

  string installLogFilePath = Path.Combine(assemblyDirectory, "install.log");
  installer.Context = new System.Configuration.Install.InstallContext(installLogFilePath, null);

  // Refactor to set any parameters for your installer here
  installer.Context.Parameters.Add("Server", ".");
  //installer.Context.Parameters.Add("User", "");
  //installer.Context.Parameters.Add("Password", "");
  installer.Context.Parameters.Add("DatabaseName", "MyDatabaseInstallMsiTest");
  //installer.Context.Parameters.Add("DatabasePath", "");

  // Our test isn't injecting any save state so we give a default instance for the stateSaver
  installer.Install(new Hashtable());
} }

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace MyCompany.Deployment
{
    /// <summary>
    /// Enables a quick and easy method of debugging custom actions.
    /// </summary>
    class LogFile
    {
        const string FileName = "MyCompany.Deployment.log";
        readonly string _filePath;

        public LogFile(string primaryOutputPath)
        {
            var dir = Path.GetDirectoryName(primaryOutputPath);
            _filePath = Path.Combine(dir, FileName);
        }

        public void Print(Exception ex)
        {
            File.AppendAllText(_filePath, "Error: " + ex.Message + Environment.NewLine +
                    "Stack Trace: " + Environment.NewLine + ex.StackTrace + Environment.NewLine);
        }

        public void Print(string format, params object[] args)
        {
            var text = String.Format(format, args) + Environment.NewLine;

            File.AppendAllText(_filePath, text);
        }

        public void PrintLine() { Print(""); }
    }
}

Context.LogMessage("My message");