OLE problem with IE

[Gary]

I'm testing using IE and running into problems. I run the following
code from irb.

require 'funfx/browser/watir'
browser = Watir::IE.new
browser.goto('http://localhost:3000/bin/Registration.html')
flex_app = browser.flex_app('Registration', 'Registration')
flex_app.text_input(:id=>'Username').input('Gary')

Then I get the following error:

WIN32OLERuntimeError: execScript
OLE error code:80020101 in <Unknown>
Could not complete the operation due to error 80020101.
HRESULT error code:0x80020009
Exception occurred.
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/browser/watir.rb:
30:in `method_missing'
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/browser/watir.rb:
30:in `fire_event'
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/flex/element.rb:
24:in `fire_event'
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/flex/element.rb:
55:in `flex_invoke'
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/flex/element.rb:
53:in `loop'
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/flex/element.rb:
53:in `flex_invoke'
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/flex/element.rb:
23:in `fire_event'
from c:/ruby/lib/ruby/site_ruby/1.8/funfx/flex/elements.rb:
759:in `input'
from (irb):7
irb(main):008:0>

It looks to me like the offending code is:

def fire_event(flex_locator, event_name, args) # :nodoc:
@flex_object.fireFunFXEvent(flex_locator, event_name, args)
end

Does anyone have a suggestion on which path to go down?

-Gary


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[Chip Dale]

Hi, Gary.
It's known issue under IE.
Watir.rb should be changed in order to work with IE in the same as with Firefox - using oleobject.
Following is our variant of watir.rb lib:

----------------------------------------------------------------------
require 'rubygems'
require 'watir'
require 'funfx'

module Watir
  # Watir extension for FunFX. Allows lookup of FlexApp objects via FunFX::Browser::FlexAppLookup#flex_app.
  class IE
    include FunFX::Browser::FlexAppLookup
    def platform_flex_app(dom_id, app_name)
      FlexApp.new(self, dom_id, app_name)
    end

    class FlexApp < Element #:nodoc:
      include FunFX::Flex::Elements
      include FunFX::Flex::FlexAppId

      def initialize(ole_object, dom_id, app_name)
        super(ole_object)
        @ole_obj = ole_object
        @dom_id = dom_id
        find_flex
        @app_name = app_name
      end

      def fire_event(flex_locator, event_name, args) # :nodoc:

        js = %|funfx_property=document.getElementById("#{@dom_id}").fireFunFXEvent(#{flex_locator}, #{event_name.inspect}, "#{args}");|
        exec_script(js)
      end

      def get_property_value(flex_locator, property) # :nodoc:
        js = %|funfx_property=document.getElementById("#{@dom_id}").getFunFXPropertyValue(#{flex_locator}, #{property.inspect});|
        exec_script(js)
      end

      def get_tabular_property_value(flex_locator, property) # :nodoc:
        js = %|funfx_property=document.getElementById("#{@dom_id}").getFunFXTabularPropertyValue(#{flex_locator}, #{property.inspect});\n|
        exec_script(js)
      end

      def invoke_tabular_method(flex_locator, method_name, *args) # :nodoc:
        js = %|funfx_property=document.getElementById("#{@dom_id}").invokeFunFXTabularMethod(#{flex_locator}, #{method_name.inspect},
        exec_script(js)
      end

      private
      def exec_script(js)
        begin
          @ole_obj.ie.Document.parentWindow.execScript(js)
          return @ole_obj.ie.Document.parentWindow.funfx_property
        rescue WIN32OLERuntimeError => e
          if e.message =~/unknown property or method 'funfx_property'/ || (e.message =~/funfx_property/ && e.message =~/Member not found/i)
              find_flex
          end
          #TODO. Maybe it is better to raise FunFXError instead of WIN32OLERuntimeError
          raise e
        end
      end

      def find_flex
        @flex_object = @ole_obj.ie.Document.getElementsByName(@dom_id).item(0)
        raise AppNotFoundError.new("Couldn't find Flex object with id #{@dom_id.inspect}") if @flex_object.nil?
        return true
      end

    end
  end
end
---------------------------------------------------


Note that we add "Errors" module to the "element.rb" lib inside "Flex" module. And we include this module to the Element class ("include FunFX::Flex::Errors") inside element.rb

Following is fragment from "element.rb"
--------------
module FunFX
  module Flex
    module Errors
      class FunFXError < StandardError; end
      class CouldNotFindElementError < FunFXError; end
      class AppNotFoundError < FunFXError; end
    end
    # Base class for all Flex proxy elements
    class Element
      include FunFX::Flex::Errors

#other code from element.rb....
....
-------------------

Files are located in
...\Ruby\lib\ruby\gems\1.8\gems\funfx-0.2.2\lib\funfx\browser\watir.rb
...\Ruby\lib\ruby\gems\1.8\gems\funfx-0.2.2\lib\funfx\flex\element.rb


I wish this will resolve your issue.

Good luck,
Pavel

[Gary]

Thank you Chip!

I have not tried it yet but will soon. It seams to me like the
changes should be incorperated into the live code. Has this been
tried? If not I will work on a cleaner solution.

-Gary

[Chip Dale]

Hi, Gary.
Yes, we change the initial code of funfx.
And this solution works for us perfectly. But if you have some doubts you can just backup the initial files before changing them.