Add A ConfigXmlBuilder test utility class

src/Test/winswTests/Util/ConfigXmlBuilder.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using winsw;
+
+namespace winswTests.Util
+{
+    /// <summary>
+    /// Configuration XML builder, which simplifies testing of WinSW Configuration file.
+    /// </summary>
+    class ConfigXmlBuilder
+    {
+        public string Name { get; set; }
+        public string Id { get; set; }
+        public string Description { get; set; }
+        public string Executable { get; set; }
+
+        private List<String> configEntries;
+
+        private ConfigXmlBuilder()
+        {
+            configEntries = new List<string>();
+        }
+
+        public static ConfigXmlBuilder create(string id = null, string name = null, 
+            string description = null, string executable = null)
+        {
+            var config = new ConfigXmlBuilder();
+            config.Id = id ?? "myapp";
+            config.Name = name ?? "MyApp Service";
+            config.Description = description ?? "MyApp Service (powered by WinSW)";
+            config.Executable = executable ?? "%BASE%\\myExecutable.exe";  
+            return config;
+        }
+
+        public string ToXMLString(bool dumpConfig = false)
+        {
+            StringBuilder str = new StringBuilder();
+            str.Append("<service>\n");
+            str.AppendFormat("  <id>{0}</id>\n", Id);
+            str.AppendFormat("  <name>{0}</name>\n", Name);
+            str.AppendFormat("  <description>{0}</description>\n", Description);
+            str.AppendFormat("  <executable>{0}</executable>\n", Executable);
+            foreach (String entry in configEntries)
+            {
+                // We do not care much about pretty formatting here
+                str.AppendFormat("  {0}\n", entry);
+            }
+            str.Append("</service>\n");
+            string res = str.ToString();
+            if (dumpConfig)
+            {
+                Console.Out.WriteLine("Produced config:");
+                Console.Out.WriteLine(res);
+            }
+            return res;
+        }
+
+        public ServiceDescriptor ToServiceDescriptor(bool dumpConfig = false)
+        {
+            return ServiceDescriptor.FromXML(ToXMLString(dumpConfig));
+        } 
+
+        public ConfigXmlBuilder WithRawEntry(string entry)
+        {
+            configEntries.Add(entry);
+            return this;
+        }
+
+        public ConfigXmlBuilder WithTag(string tagName, string value)
+        { 
+            return WithRawEntry(String.Format("<{0}>{1}</{0}>", tagName, value));
+        }
+    }
+}

src/Test/winswTests/winswTests.csproj

@@ -63,6 +63,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="ServiceDescriptorTests.cs" />
     <Compile Include="Util\CLITestHelper.cs" />
+    <Compile Include="Util\ConfigXmlBuilder.cs" />
     <Compile Include="Util\ServiceDescriptorAssert.cs" />
   </ItemGroup>
   <ItemGroup>