Witold, could you put together a minimal Elm app + Selenium script that
reproduces the problem?
This might be a significant issue, since it would impact the possibility to
end-to-end test Elm apps.

On Sun, Apr 30, 2017 at 8:28 AM, Witold Szczerba <[email protected]>
wrote:

> This was my case with Selenium WebDriver and Chrome. The end-to-end tests
> of my Elm application are failing because of this.
> It was reported back in 2014: https://github.com/elm-
> lang/elm-compiler/issues/835
> The issue is closed, but the bug is still present.
>
> You want to know my workaround? It "just-works" on Firefox, so this is the
> browser I use for e2e tests…
>
> On Sat, Apr 29, 2017 at 11:57 PM, Francesco Orsenigo <
> [email protected]> wrote:
>
>> This is an interesting problem and I wonder if it would happen also with
>> some other form of automated input (say, selenium).
>>
>> It might very well be a problem with Elm.
>>
>>
>>
>> On Saturday, April 29, 2017 at 12:51:48 AM UTC+10, Chris Van Vranken
>> wrote:
>>>
>>> I'm using a barcode scanner to enter data into an elm textfield.  The
>>> barcode scanner basically works like a keyboard with a user that makes very
>>> rapid keystrokes.  This rapid entry causes random characters to be missing
>>> in the textfield.  If the scan is supposed to enter "50494'', one or more
>>> of these characters will often be missing.  Using the debugger I see that
>>> my model has values for that field that change from "5" to "50" to "504" to
>>> "509" to "5094", but it should be "5" to "50" to "504" to "5049" to
>>> "50494"  So it ends up replacing "504" with "509" instead of with "5049".
>>> I believe this is a threading issue where two events are firing in parallel
>>> instead of in sequence, and both events are starting with the same model
>>> data ("50") with the output of one event replacing the output of the other,
>>> when instead the output model for one event should be the input for the
>>> next event.  Is this a bug in Elm?  How do I fix this?
>>>
>>> Thanks,
>>> Chris
>>>
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