I get...
undefined method `capture' for [Dynamically generated class for RSpec
example]
>From the spec, what should I require in the spec to get all the HAML
goodness?
Thanks
On Jul 12, 7:31 pm, Nathan Weizenbaum <[EMAIL PROTECTED]> wrote:
> That's really weird. I can't see anywhere that it would be trying to use
> a Symbol as a String. However, I do know how to get "open" as a string.
> The trick is that "open" and "puts," like "form_for" and the like, write
> directly to Haml's output buffer. However, there's a helper that allows
> you to take something directly written to the buffer and get it as a
> string, called "capture". It works like so:
>
> capture do
> open :foo, 'bar'
> end
>
> That would return "<foo>\n bar\n</foo>". So you could do "capture {
> display_flash }.should == ...".
>
> Try that and see if it works. If it doesn't, let me know.
>
> - Nathan
>
> wolfmanjm wrote:
> > So presuming I can require haml or something and overcome this error,
> > how would U check the output? Obviously this spec was written
> > expecting the display_flash helper to return a string (which it used
> > to do), by using open it now presumably renders directly to the haml
> > buffer, so how would I retrieve that so I can test it? (Remember this
> > helper spec runs without using actually using a view).
>
> > Thanks
>
> > On Jul 11, 10:13 pm, wolfmanjm <[EMAIL PROTECTED]> wrote:
>
> >> Sure here you go...
>
> >> TypeError in 'ApplicationHelper should display flash'
> >> can't convert Symbol into String
> >> /home/morris/work/snowdogsrus/rails/snowdogsrus/config/../app/helpers/
> >> application_helper.rb:15:in `open'
> >> /home/morris/work/snowdogsrus/rails/snowdogsrus/config/../app/helpers/
> >> application_helper.rb:15:in `display_flash'
> >> /home/morris/work/snowdogsrus/rails/snowdogsrus/config/../app/helpers/
> >> application_helper.rb:13:in `each'
> >> /home/morris/work/snowdogsrus/rails/snowdogsrus/config/../app/helpers/
> >> application_helper.rb:13:in `display_flash'
> >> /home/morris/work/snowdogsrus/rails/snowdogsrus/spec/helpers/
> >> application_helper_spec.rb:12:
> >> /home/morris/work/snowdogsrus/rails/snowdogsrus/spec/helpers/
> >> application_helper_spec.rb:10:in `each'
> >> /home/morris/work/snowdogsrus/rails/snowdogsrus/spec/helpers/
> >> application_helper_spec.rb:10:
>
> >> # application_helper_spec.rb
> >> require File.dirname(__FILE__) + '/../spec_helper'
>
> >> describe ApplicationHelper do
>
> >> it "should display flash" do
> >> for name in [:notice, :warning, :error]
> >> flash[name]= "flash #{name.to_s} message"
> >> display_flash.should == "<div class=\"#{name}\">#{flash[name]}</
> >> div>" # Line 12
> >> flash[name]= nil
> >> end
> >> end
> >> end
>
> >> # application_helper.rb
>
> >> def display_flash
> >> for name in [:notice, :warning, :error]
> >> if flash[name]
> >> open :div, flash[name], {:class => name} # Line 15
> >> end
> >> end
> >> nil
> >> end
>
> >> (Note I know this test will not match, but it is meant to fail the
> >> first time ;)
> >> However the error has nothing to do with the test, it is because open
> >> is probably trying to call File::open
>
> >> I don't believe HAML is even being loaded for this test.
>
> >> On Jul 11, 6:19 pm, Nathan Weizenbaum <[EMAIL PROTECTED]> wrote:
>
> >>> Do you have a backtrace I can see? I'm too lazy to do it myself :p. In
> >>> my defense, it's the hottest day of the year in Seattle...
>
> >>> - Nathan
>
> >>> wolfmanjm wrote:
>
> >>>> I like RSpec as it has the ability to test helpers standalone.
>
> >>>> However I have not yet found the magic incantation to get it to work
> >>>> with a helper that uses open or puts.
>
> >>>> I suspect you need to include HAML and setup some context for it to
> >>>> render to.
>
> >>>> Any ideas on how to do that would be appreciated as I had to disable
> >>>> many of my RSpec helper tests when I started using HAML open.
>
> >>>> On Jul 10, 11:46 pm, Moses Hohman <[EMAIL PROTECTED]> wrote:
>
> >>>>> What's the best way to test helper methods that generate HTML using
> >>>>> Haml::Helpers#open? I want to test the helper method directly without
> >>>>> using it in a view.
>
> >>>>> thanks, M
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