[rspec-users] how to spec views

David Chelimsky dchelimsky at gmail.com
Mon Oct 1 09:34:49 EDT 2007


On 10/1/07, Andrew WC Brown <omen.king at gmail.com> wrote:
> It didn't know what controller was, should it not know it what it is by
> default or do I have to assign a controller at the top of my spec?

Try template instead, or @controller.

The controller used in view specs is a generic controller that ships
w/ rspec_on_rails, not the controller that is mapped to the view.

>
>
> On 10/1/07, Andrew WC Brown <omen.king at gmail.com> wrote:
> > The was really helpful, thanks David!
> >
> > "There is no simple answer to your question. If anyone offers you one,
> > treat it with a grain of salt."
> >
> > The game I'm specing actually has an attribute called grains_of_salt.
> > No Lie.
> >
> >
> >
> >
> > On 10/1/07, David Chelimsky < dchelimsky at gmail.com> wrote:
> > > On 10/1/07, Andrew WC Brown <omen.king at gmail.com> wrote:
> > > > I'm trying to spec a view but haven't done much view specing.
> > > >
> > > > This view render different partials depending on authentication of the
> user:
> > > > annon, admin, player
> > > > So I I'll write if conditionals in the view with the partials
> > > >
> > > >
> > > >   it "should render signup propaganda for annon users trying to view
> games"
> > > > do
> > > >     render "/games/index.rhtml"
> > > >     @logged_in?.should eql(false)
> > > >     response.should
> render_template('_signup_propaganda')
> > > >   end
> > > >
> > > > Now for my partial I know it'll be wrapped all in a div with a
> > > > class="signup_propaganda"
> > > > Should I be testing for that instead? Can I write expectations for
> partials
> > > > similar to above?
> > > >
> > > >  When your specing views are you testing for the outputted results?
> > > >
> > > >   it "should render signup propaganda for annon users trying to view
> games"
> > > > do
> > > >      render "/games/index.rhtml"
> > > >      @logged_in?.should eql(false)
> > > >       response.should have_tag(div, "class=/"signup_propaganda/"")
> > > >    end
> > > >
> > > > How should I be writing my spec?
> > >
> > > There is no simple answer to your question. If anyone offers you one,
> > > treat it with a grain of salt.
> > >
> > > Coding by example is a process. If you're doing it right, the examples
> > > are going to change as you progress. So in this case, I might start
> > > like this:
> > >
> > > it "should render signup propaganda for annon users trying to view
> games" do
> > >   controller.stub!(:logged_in?).and_return(false)
> > >   render "/games/index.rhtml"
> > >   response.should have_tag('div.signup_propaganda')
> > > end
> > >
> > > The code to make this pass could just be:
> > >
> > > <div class='signup_propoganda'/>
> > >
> > > At this point I'd want to add an example about what a logged in user
> > > sees to force the conditional:
> > >
> > > it "should NOT render signup propaganda for logged in users trying to
> > > view games" do
> > >   controller.stub!(:logged_in?).and_return(true)
> > >   render "/games/index.rhtml"
> > >   response.should_not have_tag('div.signup_propaganda')
> > > end
> > >
> > > leading to this code:
> > >
> > > <% if logged_in? %>
> > >   <div class='signup_propoganda'/>
> > > <% end %>
> > >
> > > At some point down the line I might decide to extract the div to a
> > > partial. At *that* point, I should be able to do so without changing
> > > the example. Once the partial has been extracted, then comes the
> > > question about what to do with the example, and the answer will depend
> > > on a few things.
> > >
> > > If the partial is only ever used in this one template, and requires no
> > > additional setup, and the only reason I extracted it was to clean up
> > > the template, I might leave things as/is.
> > >
> > > Most of the time, however, I'd change the examples to expect that the
> > > partial gets rendered. First, I'd create a new example for the partial
> > > itself and move anything from the old example that was specific to the
> > > content inside that partial. Only after that's done and all examples
> > > are passing, I'd change the original examples to look like this:
> > >
> > > it "should render signup propaganda for annon users trying to view
> games" do
> > >   controller.stub!(:logged_in?).and_return(false)
> > >   template.expect_render(:partial => 'signup_propoganda')
> > >   render "/games/index.rhtml"
> > > end
> > >
> > > it "should NOT render signup propaganda for logged in users trying to
> > > view games" do
> > >   controller.stub!(:logged_in?).and_return(true)
> > >   template.expect_render (:partial => 'signup_propoganda').never
> > >   render "/games/index.rhtml"
> > > end
> > >
> > > HTH,
> > > David
> > >
> > > >
> > > > _______________________________________________
> > > > rspec-users mailing list
> > > > rspec-users at rubyforge.org
> > > > http://rubyforge.org/mailman/listinfo/rspec-users
> > > >
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> > >
> >
> >
>
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