From 7f698da8878b141c5324b2419d73570f507ef08f Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Fri, 5 Apr 2013 16:31:19 -0700
Subject: add a class for splitting up rake commands

---
 railties/lib/rails/test_unit/sub_test_task.rb | 35 +++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'railties/lib')

diff --git a/railties/lib/rails/test_unit/sub_test_task.rb b/railties/lib/rails/test_unit/sub_test_task.rb
index 36657dbdd4..ac2bde2071 100644
--- a/railties/lib/rails/test_unit/sub_test_task.rb
+++ b/railties/lib/rails/test_unit/sub_test_task.rb
@@ -2,6 +2,41 @@ require 'rake/testtask'
 
 module Rails
   class TestTask < Rake::TestTask # :nodoc: all
+    class TestInfo
+      def initialize(tasks)
+        @tasks = tasks
+      end
+
+      def files
+        @tasks.find_all { |t| File.file?(t) && !File.directory?(t) }
+      end
+
+      def tasks
+        @tasks - files - opt_names
+      end
+
+      def opts
+        opts = opt_names
+        if opts.any?
+          "-n #{opts.join ' '}"
+        end
+      end
+
+      private
+
+      def opt_names
+        (@tasks - files).reject { |t| task_defined? t }
+      end
+
+      def task_defined?(task)
+        Rake::Task.task_defined? task
+      end
+    end
+
+    def self.test_info(tasks)
+      TestInfo.new tasks
+    end
+
     def initialize(name = :test)
       super
       @libs << "test" # lib *and* test seem like a better default
-- 
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