Restore top level methods

lib/appium_lib.rb

@@ -1,4 +1,29 @@
 # encoding: utf-8
+
+$last_driver = nil
+
+# Invoke top level methods on last created Appium driver.
+def self.method_missing method, *args, &block
+  raise "driver is nil. called #{method}" if $last_driver == nil
+
+  has_args = ! args.empty?
+  has_block = ! block.nil?
+
+  # method with no params
+  if ! has_args && ! has_block
+    $last_driver.send method
+  # method with only arg params
+  elsif has_args && ! has_block
+    $last_driver.send method, *args
+  # method with only block param
+  elsif ! has_args && has_block
+    $last_driver.send method, block
+  # method with arg + block
+  elsif has_args && has_block
+    $last_driver.send method, *args, block
+  end
+end
+
 module Appium
   def self.add_to_path file, path=false
    path = path ? "../#{path}/" : '..'
@@ -10,4 +35,4 @@ def self.add_to_path file, path=false
   add_to_path __FILE__
 
   require 'appium_lib/driver'
-end
+end