Added priority support

Also improved the test harness a bit.

Main.cs

@@ -421,6 +421,10 @@ namespace winsw
             process.Start();
             WriteEvent("Started " + process.Id);
 
+            var priority = descriptor.Priority;
+            if (priority != ProcessPriorityClass.Normal)
+                process.PriorityClass = priority;
+
             // monitor the completion of the process
             StartThread(delegate()
             {

ServiceDescriptor.cs

@@ -72,6 +72,21 @@ namespace winsw
             dom.Load(BasePath + ".xml");
         }
 
+        /// <summary>
+        /// Loads descriptor from existing DOM
+        /// </summary>
+        public ServiceDescriptor(XmlDocument dom)
+        {
+            this.dom = dom;
+        }
+
+        public static ServiceDescriptor FromXML(string xml)
+        {
+            var dom = new XmlDocument();
+            dom.LoadXml(xml);
+            return new ServiceDescriptor(dom);
+        }
+
         private string SingleElement(string tagName)
         {
             return SingleElement(tagName, false);
@@ -571,5 +586,19 @@ namespace winsw
                 return SingleTimeSpanElement(dom, "stoptimeout", TimeSpan.FromSeconds(15));
             }
         }
+
+        /// <summary>
+        /// Desired process priority or null if not specified.
+        /// </summary>
+        public ProcessPriorityClass Priority
+        {
+            get
+            {
+                var p = SingleElement("priority",true);
+                if (p == null) return ProcessPriorityClass.Normal;  // default value
+
+                return (ProcessPriorityClass)Enum.Parse(typeof(ProcessPriorityClass), p, true);
+            }
+        }
     }
 }

Tests/winswTests/ServiceDescriptorTests.cs

@@ -1,29 +1,15 @@
 using NUnit.Framework;
-using winsw;
+using winsw;
+using System.Diagnostics;
+using System.Xml;
 
 namespace winswTests
 {
-
-    public class ServiceDescriptorExtended : ServiceDescriptor
-    {
-
-        public ServiceDescriptorExtended(string descriptorXml)
-        {
-            LoadTestXml(descriptorXml);
-        }
-
-        private void LoadTestXml(string xml)
-        {
-            dom.LoadXml(xml);
-        }
-    }
-
-
     [TestFixture]
     public class ServiceDescriptorTests
     {
 
-        private ServiceDescriptorExtended extendedServiceDescriptor;
+        private ServiceDescriptor extendedServiceDescriptor;
 
         private const string ExpectedWorkingDirectory = @"Z:\Path\SubPath";
         private const string Username = "User";
@@ -49,9 +35,8 @@ namespace winswTests
                                    + ExpectedWorkingDirectory
                                    + "</workingdirectory>"
                                    + @"<logpath>C:\logs</logpath>"
-                                   + "</service>";
-
-            extendedServiceDescriptor = new ServiceDescriptorExtended(SeedXml);
+                                   + "</service>";
+            extendedServiceDescriptor = ServiceDescriptor.FromXML(SeedXml);
         }
 
         [Test]
@@ -73,6 +58,19 @@ namespace winswTests
         {
             System.Diagnostics.Debug.WriteLine("_extendedServiceDescriptor.WorkingDirectory :: " + extendedServiceDescriptor.WorkingDirectory);
             Assert.That(extendedServiceDescriptor.ServiceAccountPassword, Is.EqualTo(Password));
+        }
+
+        [Test]
+        public void Priority()
+        {
+            var sd = ServiceDescriptor.FromXML("<service><id>test</id><priority>normal</priority></service>");
+            Assert.That(sd.Priority, Is.EqualTo(ProcessPriorityClass.Normal));
+
+            sd = ServiceDescriptor.FromXML("<service><id>test</id><priority>idle</priority></service>");
+            Assert.That(sd.Priority, Is.EqualTo(ProcessPriorityClass.Idle));
+
+            sd = ServiceDescriptor.FromXML("<service><id>test</id></service>");
+            Assert.That(sd.Priority, Is.EqualTo(ProcessPriorityClass.Normal));
         }
     }
 }

winsw.sln

@@ -1,6 +1,6 @@
 
 Microsoft Visual Studio Solution File, Format Version 10.00
-# Visual C# Express 2008
+# Visual Studio 2008
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "winsw", "winsw.csproj", "{0DE77F55-ADE5-43C1-999A-0BC81153B039}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "winswTests", "Tests\winswTests\winswTests.csproj", "{93843402-842B-44B4-B303-AEE829BE0B43}"