1 files changed, 26 insertions, 0 deletions
diff --git a/actionpack/test/testing_sandbox.rb b/actionpack/test/testing_sandbox.rb
new file mode 100644
index 0000000000..b21f411730
--- /dev/null
+++ b/actionpack/test/testing_sandbox.rb
@@ -0,0 +1,26 @@
+module TestingSandbox
+
+  # This whole thing *could* be much simpler, but I don't think Tempfile,
+  # popen and others exist on all platforms (like Windows).
+  def execute_in_sandbox(code)
+    test_name = "#{File.dirname(__FILE__)}/test.#{$$}.rb"
+    res_name = "#{File.dirname(__FILE__)}/test.#{$$}.out"
+
+    File.open(test_name, "w+") do |file|
+      file.write(<<-CODE)
+        $:.unshift "../lib"
+        block = Proc.new do
+          #{code}
+        end
+        print block.call
+      CODE
+    end
+
+    system("ruby #{test_name} > #{res_name}") or raise "could not run test in sandbox"
+    File.read(res_name)
+  ensure
+    File.delete(test_name) rescue nil
+    File.delete(res_name) rescue nil
+  end
+
+end