From e3bccdb3b1ea21943dbc3984e69a3a7a56982771 Mon Sep 17 00:00:00 2001
From: mikary <mikary@microsoft.com>
Date: Tue, 12 May 2015 12:35:21 -0700
Subject: [PATCH] Support single threaded running of specific test projects
 through environment

---
 build/_k-test.shade | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/build/_k-test.shade b/build/_k-test.shade
index 364bf3ef66..431bf4a817 100644
--- a/build/_k-test.shade
+++ b/build/_k-test.shade
@@ -1,5 +1,8 @@
 use namespace='System.Web.Script.Serialization'
 use assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
+use import="Environment"
+
+default NO_PARALLEL_TEST_PROJECTS='${E("NO_PARALLEL_TEST_PROJECTS")}'
 
 @{/*
 
@@ -15,7 +18,7 @@ projectFile=''
     var serializer = new JavaScriptSerializer();
     var projectText = File.ReadAllText(projectFile);
     var project = (Dictionary<string, object>)serializer.DeserializeObject(projectText);
-    
+
     object commandsObject;
     var commands = project.TryGetValue("commands", out commandsObject)
         ? (Dictionary<string, object>)commandsObject
@@ -24,7 +27,14 @@ projectFile=''
     if (commands.Keys.Contains("test"))
     {
         var projectFolder = Path.GetDirectoryName(projectFile);
-        
+        var projectName = Path.GetFileName(projectFolder);
+
+        var noParallelTestProjects = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        if (!string.IsNullOrEmpty(NO_PARALLEL_TEST_PROJECTS))
+        {
+            noParallelTestProjects.UnionWith(NO_PARALLEL_TEST_PROJECTS.Split((char)','));
+        }
+
         object configsObject;
         var configs = project.TryGetValue("frameworks", out configsObject)
             ? (Dictionary<string, object>)configsObject
@@ -38,7 +48,7 @@ projectFile=''
 
         foreach (var framework in targetFrameworks)
         {
-            var testArgs = IsMono ? " -parallel none" : "";
+            var testArgs = (IsMono || noParallelTestProjects.Contains(projectName)) ? " -parallel none" : "";
 
             if (!framework.StartsWith("dnxcore", StringComparison.OrdinalIgnoreCase))
             {
@@ -46,7 +56,7 @@ projectFile=''
             }
             else if (!IsMono)
             {
-                K("test", projectFolder, "default -runtime CoreCLR");
+                K(("test" + testArgs), projectFolder, "default -runtime CoreCLR");
             }
         }
     }