Merge pull request #228 from Backs/master

Allow to replace/update template file

Author: pwelter34

Source/MSBuild.Community.Tasks.Tests/TemplateFile/TemplateFileTest.cs

@@ -20,8 +20,8 @@ Template File 1
 		";
 		private static string _templateReplaced =
 			_template.Replace("${TemplateItem}", "**Item1**").Replace("${item2}", "**Item2**")
-                .Replace("${CASEInsenSiTiveTest}", "**Item3**")
-                .Replace("${Template.Item.With.Dot}", "**Item4**");
+				.Replace("${CASEInsenSiTiveTest}", "**Item3**")
+				.Replace("${Template.Item.With.Dot}", "**Item4**");
 		private static string _templateFilename;
 		private string _replacedFilename;
 
@@ -30,7 +30,7 @@ public void FixtureInit()
 		{
 			MockBuild buildEngine = new MockBuild();
 			TaskUtility.makeTestDirectory(buildEngine);
-			_templateFilename = Path.Combine(TaskUtility.TestDirectory, typeof (TemplateFileTest).Name + ".txt");
+			_templateFilename = Path.Combine(TaskUtility.TestDirectory, typeof(TemplateFileTest).Name + ".txt");
 		}
 
 		[SetUp]
@@ -74,9 +74,9 @@ private TaskItem[] GetTaskItems(bool includeMetaData)
 			item = new TaskItem("caseInsensitiveTest");
 			SetMetaData(item, "**Item3**", includeMetaData);
 			result.Add(item);
-            item = new TaskItem("Template.Item.With.Dot");
-            SetMetaData(item, "**Item4**", includeMetaData);
-            result.Add(item);
+			item = new TaskItem("Template.Item.With.Dot");
+			SetMetaData(item, "**Item4**", includeMetaData);
+			result.Add(item);
 			return result.ToArray();
 		}
 
@@ -156,7 +156,7 @@ public void TemplateFileNoMetaData()
 			string replaced = File.ReadAllText(tf.OutputFile.ItemSpec);
 			string shouldBeReplaced =
 				_template.Replace("${TemplateItem}", "").Replace("${item2}", "").Replace("${CASEInsenSiTiveTest}", "")
-                    .Replace("${Template.Item.With.Dot}", "");
+					.Replace("${Template.Item.With.Dot}", "");
 			Assert.AreEqual(shouldBeReplaced, replaced);
 		}
 
@@ -190,8 +190,27 @@ public void TemplateFileMissingToken()
 			_replacedFilename = tf.OutputFile.ItemSpec;
 			Assert.AreEqual(Path.ChangeExtension(_templateFilename, ".out"), _replacedFilename);
 			string replaced = File.ReadAllText(tf.OutputFile.ItemSpec);
-			string shouldBeReplaced = _template.Replace("${TemplateItem}", "**Item1**").Replace("${CASEInsenSiTiveTest}", "**Item3**");
+			string shouldBeReplaced = _template.Replace("${TemplateItem}", "**Item1**")
+				.Replace("${CASEInsenSiTiveTest}", "**Item3**");
 			Assert.AreEqual(shouldBeReplaced, replaced);
 		}
+
+		[Test]
+		public void TemplateFileReplace()
+		{
+			MockBuild build = new MockBuild();
+			TemplateFile tf = new TemplateFile();
+			tf.BuildEngine = build;
+			tf.Template = new TaskItem(_templateFilename);
+			tf.OutputFilename = _templateFilename;
+			tf.Tokens = GetTaskItems();
+			Assert.IsTrue(tf.Execute());
+			Assert.IsNotNull(tf.OutputFile);
+			Assert.IsTrue(File.Exists(tf.OutputFile.ItemSpec));
+			_replacedFilename = tf.OutputFile.ItemSpec;
+			Assert.AreEqual(_templateFilename, _replacedFilename);
+			string replaced = File.ReadAllText(tf.OutputFile.ItemSpec);
+			Assert.AreEqual(_templateReplaced, replaced);
+		}
 	}
 }

Source/MSBuild.Community.Tasks/TemplateFile/TemplateFile.cs

@@ -18,7 +18,7 @@ namespace MSBuild.Community.Tasks
 	///		</Tokens>
 	/// </ItemGroup>
 	/// 
-    /// <TemplateFile Template="ATemplateFile.template" OutputFilename="ReplacedFile.txt" Tokens="@(Tokens)" />
+	/// <TemplateFile Template="ATemplateFile.template" OutputFilename="ReplacedFile.txt" Tokens="@(Tokens)" />
 	/// ]]></code>
 	/// </example>
 	/// <remarks>Tokens in the template file are formatted using ${var} syntax and names are not 
@@ -36,13 +36,13 @@ public class TemplateFile : Task
 		private Dictionary<string, string> _tokenPairs;
 		private ITaskItem[] _tokens;
 		private static readonly string DefaultExt = ".out";
-		
+
 		/// <summary>
 		/// Default constructor. Creates a new TemplateFile task.
 		/// </summary>
 		public TemplateFile()
 		{
-			_regex = new Regex(@"(?<token>\$\{(?<identifier>[^}]*)\})", RegexOptions.Singleline | RegexOptions.Compiled 
+			_regex = new Regex(@"(?<token>\$\{(?<identifier>[^}]*)\})", RegexOptions.Singleline | RegexOptions.Compiled
 				| RegexOptions.Multiline | RegexOptions.IgnoreCase);
 		}
 
@@ -85,7 +85,7 @@ public ITaskItem[] Tokens
 			get { return _tokens; }
 			set { _tokens = value; }
 		}
-		
+
 		/// <summary>
 		/// Executes the task.
 		/// </summary>
@@ -96,17 +96,20 @@ public override bool Execute()
 			if (File.Exists(_templateFile.ItemSpec))
 			{
 				ParseTokens();
+				string text2;
 				using (StreamReader reader = new StreamReader(_templateFile.ItemSpec))
 				{
-					string text2 = _regex.Replace(reader.ReadToEnd(), new MatchEvaluator(MatchEval));
-					using (StreamWriter w = new StreamWriter(GetOutputFilename()))
-					{
-						w.Write(text2);
-						w.Flush();
-						Log.LogMessage("Template replaced and written to '{0}'", _outputFilename);
-						result = true;
-					}
+					text2 = _regex.Replace(reader.ReadToEnd(), new MatchEvaluator(MatchEval));
 				}
+
+				using (StreamWriter w = new StreamWriter(GetOutputFilename()))
+				{
+					w.Write(text2);
+					w.Flush();
+					Log.LogMessage("Template replaced and written to '{0}'", _outputFilename);
+					result = true;
+				}
+
 			}
 			else
 			{
@@ -121,7 +124,7 @@ private string GetOutputFilename()
 			{
 				_outputFilename = Path.ChangeExtension(_templateFile.ItemSpec, DefaultExt);
 			}
-			_outputFilename = Path.IsPathRooted(_outputFilename) ? _outputFilename : 
+			_outputFilename = Path.IsPathRooted(_outputFilename) ? _outputFilename :
 				Path.Combine(Path.GetDirectoryName(_templateFile.ItemSpec), _outputFilename);
 			_outputFile = new TaskItem(_outputFilename);
 			return _outputFilename;