lib/calabash-android/operations.rb in calabash-android-0.5.2 vs lib/calabash-android/operations.rb in calabash-android-0.5.3

@@ -1145,9 +1145,21 @@
 
     def record_end(file_name)
       ni
     end
 
+    def evaluate_javascript(query_string, javascript, opt={})
+      wait_for_elements_exist(query_string, {timeout: Calabash::Android::Defaults.query_timeout})
+      result = JSON.parse(http("/map", {query: query_string, operation: {method_name: 'execute-javascript'}, javascript: javascript}))
+
+      if result['outcome'] != 'SUCCESS' || result['results'].nil?
+        parsed_result = result['results'].map {|r| "\"#{r}\","}.join("\n")
+        raise "Could not evaluate javascript: \n#{parsed_result}"
+      end
+
+      result['results']
+    end
+
     def backdoor(method_name, arguments = [], options={})
       arguments = [arguments] unless arguments.is_a?(Array)
 
       result = JSON.parse(http('/backdoor', {method_name: method_name, arguments: arguments}))
 
\ No newline at end of file