Hi Phil,
The workaround is to visit the page and then delete a particular db record
before triggering the event that causes the JS I’m testing to execute and make
the call back to the server. That would result in the “not found” error that I
want to test. It’s not as clean as I would like but it would do the job.
Maybe I’m wrong, but I don’t think webmock will work, because it’s set up to
intercept web calls from my Rails program, right? In this case, the call will
be made from JS running in the browser, so wouldn’t that preclude webmock from
intercepting it, or is my understanding about that wrong?
I didn’t actually try webmock, because it’s not currently part of my build.
Jack
> On Mar 30, 2021, at 2:10 AM, Phil Pirozhkov <pirjs...@gmail.com> wrote:
>
> Jack,
>
> It's better done with WebMock, but it depends on what type of test it
> is. Is this a feature/system test? Can you set up data in such a way
> that this endpoint returns this naturally?
>
> On Tue, Mar 30, 2021 at 5:31 AM Jack Royal-Gordon <jac...@pobox.com> wrote:
>>
>> I’m trying to test how my screen handles an error return from an Ajax call.
>> In order to accomplish this, I need the Ajax call to return the error
>> response, and I’d like to do that by mocking the controller action. I’d like
>> to do something like:
>>
>> allow_any_instance_of(BooksController).to receive(:modify) { render status:
>> :not_found, json: "Unknown book: #{@book.id}" }
>>
>>
>> But the render call gives an “undefined method” error, presumably because
>> I’m in a test and not in a controller method. Is there a way for me to mock
>> this behavior, or do I somehow have to manipulate the actual controller into
>> the desired behavior?
>>
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