Run tests during build

build/_k-standard-goals.shade

@@ -60,6 +60,9 @@ default Configuration='Release'
 #nuget-install target='install' description='Copy NuGet packages to local repo'
   nuget-local-publish sourcePackagesDir='${BUILD_DIR}'
 
+#xunit-test target='test' if='Directory.Exists("test")'
+  k-test each='var projectFile in Files.Include("test/**/project.json")'
+
 #make-roslyn-fast
   ngen-roslyn
 

build/_k-test.shade

@@ -0,0 +1,33 @@
+use namespace='System.Web.Script.Serialization'
+use assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
+
+@{/*
+
+k-test
+    Run unit tests in your project.
+
+projectFile='' 
+    Required. Path to the test project.json to execute
+
+*/}
+
+var projectFolder='${Path.GetDirectoryName(projectFile)}'
+
+k command='test' workingdir='${projectFolder}' if='HasTestCommand(projectFile)'
+
+functions
+    @{
+        bool HasTestCommand(string projectFile)
+        {
+            var serializer = new JavaScriptSerializer();
+            var projectText = File.ReadAllText(projectFile);
+            var project = (Dictionary<string, object>)serializer.DeserializeObject(projectText);
+                       
+            object commandsObject;
+            if (!project.TryGetValue("commands", out commandsObject))
+                return false;
+            var commands = (Dictionary<string, object>)commandsObject;
+                
+            return commands.Keys.Contains("test");
+        }
+    }