Here is output from a unit test (much stuff elided):
----------------------------------------------------
> Loaded suite
C:/work/watir/commonwatir/unittests/attach_to_existing_window_test
> ...
>
> 1) Error:
> test_existing_window(TC_ExistingWindow):
> Watir::Exception::NoMatchingWindowFoundException: Unable to locate a
window with title of (?i-mx:buttons)
> C:/work/watir/watir/lib/watir/ie-class.rb:306:in
`attach_browser_window'
> ...
>
C:/work/watir/commonwatir/unittests/attach_to_existing_window_test.rb:46:in
`test_existing_window'
>
> 2) Error:
> test_working_back_and_forth(TC_ExistingWindow):
> Watir::Exception::NoMatchingWindowFoundException: Unable to locate a
window with url of (?-mix:buttons1.html)
> C:/work/watir/watir/lib/watir/ie-class.rb:306:in
`attach_browser_window'
> ...
>
C:/work/watir/commonwatir/unittests/attach_to_existing_window_test.rb:70:in
`test_working_back_and_forth'
>
> 4 tests, 8 assertions, 0 failures, 2 errors
----------------------------------------------------
The setup method for the unit test class (TC_ExistingWindow) calls
uses_page "pass.html"
'uses_page' looks like this
def uses_page page # only works with IE
new_url = self.class.html_root + page
browser.goto new_url unless browser.url == new_url
end
Getting back to the unit test, every test that tries to attach calls
'open_several_windows', which looks like this:
def open_several_windows
["buttons1.html", "whitespace.html"].each do |file|
@browsers << Browser.start(self.class.html_root + file)
end
end
In other words, there are different ways to open the test windows.
Now look at 'attach_browser_window how, what'. This method calls
'IE._find how, what', which has the following code:
IE.each do |ie|
window = ie.ie
In my testing, 'IE.each' only gives one window, for URL "pass.html".
The other windows are not in this list. Thus, every test that actually
tries to attach to a browser window fails.
Windows 7 32-bit, running as administrator
Watir 1.6.5, development version from github.com
Ruby 1.8.7
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