On 9 Oct 2008, at 02:55, Mark Thomson wrote:
I have an RSpec story with an overall structure that looks something
like this -
----
Given the user is on the start page
When the user clicks the 'new' button
Then the 'new record' page should be displayed
When the user fills in the form
And the user submits the form
Then the updated form should be displayed
When the user fills in the updated form
And the user submits the form
Then a conformation message should be displayed
----
In the last When step, I have a fills_in call that is failing with
the following:
----
NoMethodError: You have a nil object when you didn't expect it! You
might have expected an instance of ActiveRecord::Base. The error
occurred while evaluating nil.attributes.
----
I think the ActiveRecord thing is a red herring. Poking through the
Webrat source code, it seems like the problem is more likely a
failure to find any input fields. But I'm not sure why. Is there
anything inappropriate with the way I've organized the story,
stringing together multiple When-Then segments? One thing that seems
curious is that I have a completely identical fills_in call in the
When step that precedes the one that is failing and yet that one
runs without any problem.
I think this sort of error tends to happen while a view is being
rendered, so my guess is it's something to do with your data setup.
Sorry to bang on about this, but cucumber has much better support for
error messages - you might want to consider making the switch before
you waste too much time on this issue.
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