#havers

I didn't find the solution to using will_paginate in rpsec'd views anywhere, so here it is for anyone else searching for the same.

The solution is to build mock ActiveRecord models as part of an array, which will get you most of the way there. Then you can either the mock in the will_paginate methods, or you can simply call the paginate method on the array itself, as the plugin extends the Array class.

The code looks a bit like this:

describe "/items/index.html.erb" do

before(:each) do
    @items = [
      stub_model(Item,
        :name => "value for name",
        :description => "value for description"
      ),
      stub_model(Item,
        :name => "value for name",
        :description => "value for description"
      )
    ]
    assigns[:items] = @items.paginate({:page => 1, :per_page => 30})
end

UPDATED: For dev, you could also use Ruby Version Manager http://rvm.beginrescueend.com/

Recently I discovered that Karmic ships with Ruby 1.8.7 - not a problem in itself, but if you're using ActionMailer with Google Mail, there's some big changes between how SMTP/TLS is handled on 1.8.6 vs 1.8.7 that cause things to break.

I run Ruby Enterprise Edition on my web server - which is currently 1.8.6 - and so the code I had written and tested locally wouldn't run correctly on the server. I can easily install REE locally, but I'd like to hang on to the default ubuntu Ruby too. Thankfully, there's an easy solution

update-alternatives

Let's create an alternative path for REE

sudo update-alternatives --install /usr/local/bin/ruby ruby /opt/ruby-enterprise/bin/ruby 50 --slave /usr/local/bin/erb erb /opt/ruby-enterprise/bin/erb --slave /usr/local/bin/gem gem /opt/ruby-enterprise/bin/gem --slave /usr/local/bin/irb irb /opt/ruby-enterprise/bin/irb --slave /usr/local/bin/rdoc rdoc /opt/ruby-enterprise/bin/rdoc --slave /usr/local/bin/ri ri /opt/ruby-enterprise/bin/ri --slave /usr/local/bin/testrb testrb /opt/ruby-enterprise/bin/testrb --slave /usr/local/bin/rake rake /opt/ruby-enterprise/bin/rake --slave /usr/local/bin/rails rails /opt/ruby-enterprise/bin/rails

...and for MRI

sudo update-alternatives --install /usr/local/bin/ruby ruby /usr/bin/ruby 100 --slave /usr/local/bin/erb erb /usr/bin/erb --slave /usr/local/bin/gem gem /usr/bin/gem --slave /usr/local/bin/irb irb /usr/bin/irb --slave /usr/local/bin/rdoc rdoc /usr/bin/rdoc --slave /usr/local/bin/ri ri /usr/bin/ri --slave /usr/local/bin/testrb testrb /usr/bin/testrb --slave /usr/local/bin/rake rake /usr/bin/rake --slave /usr/local/bin/rails rails /usr/bin/rails

Oddly, my Karmic install already had an alternative by gems, so I had to remove that first using

sudo update-alternatives --remove-all gem

I can now easily switch betwen them using

sudo update-alternatives --config ruby

Too easy!

Mixing rspec and mislav's will_paginate plugin

Running multiple versions of Ruby on Ubuntu Karmic

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