Re: [Wtr-general] Help with Watir/XPath

[Greg McShea]

Review older messages again I see that the elements.rb and functions.rb are only supposed to be copied to C:\ruby\lib\ruby\1.8\rexml. I have done this and restored the original versions of the files to C:\ruby\lib\ruby\site_ruby\1.8\rexml. Now when I run my script I get a different error:

 

Unable to locate object, using xpath and //[EMAIL PROTECTED]'Delete']
c:/ruby/lib/ruby/site_ruby/1.8/watir.rb:2102:in `assert_exists'

-----Original Message-----
From: Greg McShea [mailto:[EMAIL PROTECTED]
Sent: Friday, March 10, 2006 2:57 PM
To: wtr-general@rubyforge.org
Cc: [EMAIL PROTECTED]
Subject: Help with Watir/XPath

Hi,

 

I've reviewed all the XPath related posts here and am still unable to get a simple statement with xpath _expression_ working. Here is what I have done to setup my installation:

 

1. Installed ruby 1.8.2

2. Installed watir 1.4.1 using windows installer

3. Installed REXML 3.1.3

3. Downloaded the latest tarball

4. Copied TARBALL_HOME\watir\watir.rb to C:\ruby\lib\ruby\site_ruby\1.8

5. Copied TARBALL_HOME\watir\watir folder to C:\ruby\lib\ruby\site_ruby\1.8

6. Copied TARBALL_HOME\watir\doc, examples, and unittests folders to c:\watir

7. Copied TARBALL_HOME\watir\watir\rexml\elements.rb and functions.rb to C:\ruby\lib\ruby\site_ruby\1.8\rexml and C:\ruby\lib\ruby\1.8\rexml

 

Here is a snippet of the source I am testing:

<DIV style="LEFT: 0px; OVERFLOW: hidden; WIDTH: 655px; POSITION: absolute; TOP: 0px; HEIGHT: 148px">

  <SPAN style="LEFT: 0px; WIDTH: 655px; POSITION: absolute; TOP: 0px; HEIGHT: 148px">

    <BUTTON >Add</BUTTON>

    <BUTTON >Delete</BUTTON>

    <BUTTON >Reset</BUTTON>

  </SPAN>

</DIV>

 

Using "ie.button(:value, 'Delete').click" works fine.

 

The watir Xpath statements I have tried are:

ie.button(:xpath, "//button[text()='Delete']").click

ie.button(:xpath, "//[EMAIL PROTECTED]'Delete']").click

 

These both fail with the error:

The undefined method `root_node' for <UNDEFINED> ... </>:REXML::Document
c:/ruby/lib/ruby/site_ruby/1.8/rexml/xpath_parser.rb:154:in `expr'

 

I tried running the xpath_tests unit test but I ran into the problem described here:http://www.mail-archive.com/wtr-general%40rubyforge.org/msg02864.html

 

My application has many instances where there is no unique way to identify elements so using Xpath is a must for me.

Any help in getting this working is much appreciated.

 

Thanks,

Greg

 

 

 

 

 

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