Misc tips and tricks

Created at: 30.01.2008 10:00, source: Rails on the Run - Home , tagged: autotest bdd bdd integration rspec rspec testing zentest

I haven't posted for quite a long time. The thing is I moved to a new place and I'm really busy on working clients + setting up my new office + dealing with way too much paperwork.

Anyway, enough excuses, here are few tips that I believe will be useful to some of you:

ZenTest Autotest

I love autotest, but you might have noticed that sometimes (especially on big projects), ZenTest might start using more CPU than expected. On my machine, that results in the fan going off and annoying the crap out of me.

The solution is quite simple, exclude all folders you don't need to monitor. To do that, update ZenTest to version 3.8.X 

sudo gem update ZenTest

(older version had a different syntax)

Now, edit your .autotest that should be located in ~/.autotest (if it doesn't exist, create it).

Finally add the following code:

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  Autotest.add_hook :initialize do |at|
    %w{.svn .hg .git vendor}.each {|exception| at.add_exception(exception)}
  end

I personally freeze rails in vendor and I autotest is way happier when it doesn't have to monitor some extra files. (note that we also exclude folders such as .git or .svn) (you can also include files etc... read more there)

RSpec

RSpec is certainly my favorite Ruby tool and I'm glad to say that most of my SD.rb friends finally got convinced!

Now, few people complained to me about spec failures outputting the full stack such as:

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 The Sessions controller should fail since it's a test' FAILED
 expected true, got false
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/expectations.rb:52:in `fail_with'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/expectations/handler.rb:21:in `handle_matcher'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/expectations/extensions/object.rb:34:in `should'
 ./spec/controllers/sessions_controller_spec.rb:25:
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_methods.rb:78:in `instance_eval'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_methods.rb:78:in `run_with_description_capturing'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_methods.rb:19:in `execute'
 /opt/local/lib/ruby/1.8/timeout.rb:48:in `timeout'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_methods.rb:16:in `execute'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:288:in `execute_examples'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:287:in `each'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:287:in `execute_examples'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:121:in `run'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/runner/example_group_runner.rb:22:in `run'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/runner/example_group_runner.rb:21:in `each'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/runner/example_group_runner.rb:21:in `run'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/runner/options.rb:89:in `run_examples'
 test_app-git/trunk/vendor/plugins/rspec/lib/spec/runner/command_line.rb:19:in `run'
 script/spec:4:

  Finished in 6.035147 seconds

  400 examples, 1 failure

We can really easily change that, open you spec.opts file located in your spec folder.

it probably looks like that:

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  --colour
  --format
  progress
  --loadby
  mtime
  --reverse
  --backtrace

Get rid of "--backtrace" and your new failure should look like:

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  1)
  'The Sessions controller The Sessions controller should fail since it's a test' FAILED
  expected false, got true
  ./spec/controllers/sessions_controller_spec.rb:25:
  script/spec:4:

  Finished in 0.269956 seconds

  15 examples, 1 failure

Other stuff you may find interesting (in no particular order):



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