On Wednesday, December 5, 2012 1:23:36 PM UTC-8, netzfisch wrote:
>
> I have model (event.rb) method, that retrieves a list of all recurrence
> dates for the named period
>
> def self.dates_between(start_date, end_date)
> dates = (start_date..end_date).step(7).to_a
> end
>
> than I specify the following in event_spec.rb
>
> before(:each) do
> @event = FactoryGirl.create(:event)
> end
> subject { @event }
>
> ... other working tests ...
>
> describe '#dates_between' do
> context 'finds recurrences dates of a event' do
> start_date = "2012-12-01 18:25:25"
> end_date = "2012-12-15 18:25:25"
> output_dates = ["2012-12-01 18:25:25", "2012-12-08 18:25:25",
> "2012-12-15 18:25:25"]
>
> it 'should call Event with method dates_between' do
> @event.should_receive(:dates_between).with(start_date,
> end_date)
> @event.dates_between(start_date, end_date)
> end
>
> it 'should find and return the RIGHT recurrences dates' do
> @event.dates_between(start_date, end_date).should
> eq(output_dates)
> end
> end
> end
>
> and get this failure:
>
> 1) Event#dates_between finds recurrences dates of a event should find
> and return the RIGHT recurrences dates
> Failure/Error: @event.dates_between(start_date, end_date).should
> eq(output_dates)
> NoMethodError:
> undefined method `dates_between' for #<Event:0xb99e9f8>
> # ./spec/models/event_spec.rb:52:in `block (4 levels) in <top
> (required)>'
>
> when I change in the model from a class method to an instance method
> (removing "self.") the console just prints out "wild data":
>
> > 22:93:55", "2012-12-01 22:93:62", "2012-12-01 22:93:69", "2012-12-01
> > 22:93:76", "2012-12-01 22:93:83", "2012-12-01 22:93:90", "2012-12-01
> > 22:93:97", "2012-12-01 22:94:04", "2012-12-01 22:94:11", "2012-12-01
> > 22:94:18", "2012-12-01 22:94:25", "2012-12-01 22:94:32", ...
>
> any ideas?
>
If you want to test a class method, then your test needs to send the
message *to the class object*, not to an instance of that class:
class Event
def self.dates_between
end
end
Event.dates_between # calls the defined method
Event.new.dates_between # raises a NoMethodError because Event instances
don't respond to #dates_between
HTH,
Myron
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