Update spec_helper.rb

spec/spec_helper.rb

@@ -78,3 +78,29 @@
   end
 =end
 end
+
+def run_file(file)
+  eval(File.read(file), binding)
+end
+
+def get_variable_from_file(file, variable)
+  file_scope = binding
+  file_scope.eval(File.read(file))
+
+  begin
+    return file_scope.local_variable_get(variable)
+  rescue NameError
+    raise NameError, "local variable `#{variable}' not defined in #{file}."
+  end    
+end
+
+def capture_puts
+  begin
+    old_stdout = $stdout
+    $stdout = StringIO.new('','w')
+    yield
+    $stdout.string
+  ensure
+    $stdout = old_stdout
+  end
+end