[Ruby on Rails] Wants to load Rails-3 project models in cucumber for database transactions

[jitendra....@gmail.com]

My project is in Rails 3.  I am using latest version of cucumber gem for writing cukes to test my app which is hosted on QA env (i.e external url). And for that I have feature , feature/support/env.rb and feature/step_definition directory in my project root directory. I am using cucumber for outline my scenarios with other gems like capybara or rest-client for implementing steps.

It works fine till I don't want to do database transaction. Even for database transaction I can connect to database and execute my SQL query.  But I want to do it Rails way, so that I can reuse my existing models defined in my rails project for database transaction; And for that I need to load Rails environment when my cukes start executing test cases.

I don't want to use cucumber-rails gem because it clean my QA env database. Because I also want to use same QA env for manual testing some time so I don't want it to clean up my data on the database. My test cases are written in such as way that it won't be affected by existing data in the database.

So, Is there any way to load my project Rails environment when I execute bundle execute cucumber ....?

[Perry Smith]

I thought cucumber-rails did not directly clean the database.  It calls database_cleaner if it is installed.  If it is not installed, then it will not use it.

Also, IIRC you can set database_cleaner to use the null method

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[jitendra....@gmail.com]

Actually , the project is also using rspec gem for unit testing and that requires database_cleaner gem. So, I can't remove database_cleaner.
So I have set the database_cleaner strategy to nill.

Thanks! its worked.

[jitendra....@gmail.com]

Now after successful execution of cucumber test cases I getting below error. But if any test case failed then I don't get this error. This irritating. I am not using any where test-unit in env.rb ... Is this a bug in  cucumber-rails-1.3.1/lib/cucumber/rails/world.rb:13:in `initialize':  ?

1 scenario (1 passed)
1 step (1 passed)
0m5.522s
/home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/cucumber-rails-1.3.1/lib/cucumber/rails/world.rb:13:in `initialize': wrong number of arguments (1 for 0) (ArgumentError)
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/testsuitecreator.rb:38:in `new'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/testsuitecreator.rb:38:in `append_test'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/testsuitecreator.rb:32:in `create'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/testcase.rb:139:in `suite'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/collector.rb:60:in `block in add_test_case'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/collector.rb:59:in `each'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/collector.rb:59:in `add_test_case'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/collector.rb:35:in `block in add_test_cases'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/collector.rb:34:in `each'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/collector.rb:34:in `add_test_cases'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/collector/descendant.rb:13:in `collect'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/autorunner.rb:84:in `block in <class:AutoRunner>'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/autorunner.rb:400:in `[]'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/autorunner.rb:400:in `run'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit/autorunner.rb:59:in `run'
    from /home/jitendra/.rvm/gems/ruby-1.9.3-p327@myproj/gems/test-unit-2.5.4/lib/test/unit.rb:502:in `block (2 levels) in <top (required)>'

[Matt Wynne]

On 25 Mar 2013, at 09:14, jitendra....@gmail.com wrote:

Now after successful execution of cucumber test cases I getting below error. But if any test case failed then I don't get this error. This irritating. I am not using any where test-unit in env.rb ... Is this a bug in  cucumber-rails-1.3.1/lib/cucumber/rails/world.rb:13:in `initialize':  ?

I think maybe you've got this bug:

https://github.com/cucumber/cucumber/issues/404

Try adding this line somewhere in your features/support directory:

Test::Unit::AutoRunner.need_auto_run = false

cheers,

Matt

--
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[jitendra....@gmail.com]

Thanks Matt!!! You are correct its cucumber 404 issue. I used the resolution and it worked.