Hi Folks,
I have a problem that I have been able to isolate into a small test
application.
The problem seems to be that when I set an expectation on the number of
times a method will be called in one describe block, the expectation is
still set in a different describe block. My understanding was that
RSpec restored the state of objects and the end of a test, which I
interpreted as the end of a describe block (seeing that the scope of the
expectation ended).
Here is my test application:
: rails rspecproblem
: cd rspecproblem
<install rspec & rspec-rails>
: script/generate rspec_model Contest contest_name:string status:integer
contest_series_id:integer
: script/generate rspec_model ContestSeries series_name:string
: rake db:migrate
: autotest
I edited contest.rb and set the following:
class Contest < ActiveRecord::Base
belongs_to :contest_series
def getSeries
ContestSeries.find(contest_series_id)
end
end
I edited contest_series.rb and added the has_many statement:
class ContestSeries < ActiveRecord::Base
has_many :contests
end
I then created the following spec file in spec/models/contest_spec.rb
that can be found at http://pastie.org/283936
The summary of the test spec is that there are two describe blocks. The
first block creates a Contest and assigns it to a ContestSeries. For
the sake of the example, I then call ContestSeries.find().
The second block sets an expectation on ContestSeries that the find
method will be called only once.
This causes the following error:
Mocha::ExpectationError in 'Contest should demonstrate that the stub is
not cleared'
unexpected invocation: ContestSeries(id: integer, series_name: string,
created_at: datetime, updated_at: datetime).find(1)
satisfied expectations:
- expected exactly once, already invoked once: ContestSeries(id:
integer, series_name: string, created_at: datetime, updated_at:
datetime).find(1000)
Playing around with some variations, I have found that if I change the
code in line 24 to:
ContestSeries.expects(:find).at_least(1)
then no error is generated, but this isn't really what I want. I want
to be confident that the "getSeries" call (which is really only a
simplification of the actual code) gets the correct ContestSeries.
Have I misunderstood how to use this stubbing behavior? Is there a way
to correctly clear such expectations in an after block?
Many thanks,
Peter
--
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