I would like to be able to run rspec and cucumber in my intermediate application on Heroku. I have a separate application for production, and I push my development branch to the stage, and my main branch - to production.
I set the RACK_ENV variable to 'staging' and also added the staging.rb configuration file.
Running rspec and cucumber locally:
Both rspec and cucumber execute normally locally using commands
$ rspec spec
..
$ cucumber features
Running rspec in Heroku hosting app
The problem is that I cannot get them to run in my Heroku hosting application. I understand that the correct path to rspec on Heroku is:
$ heroku rake spec --remote staging
Whenever I run this, I get the following errors:
rake aborted! You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.[] /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.7/lib/active_record/railties/databases.rake:429:in `block (3 levels) in <top (required)>' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `call' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `block in execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:595:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:605:in `block in invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:594:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:581:in `invoke' /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.7/lib/active_record/railties/databases.rake:460:in `block (3 levels) in <top (required)>' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `call' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `block in execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:595:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:605:in `block in invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:594:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:581:in `invoke' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2041:in `invoke_task' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2019:in `block (2 levels) in top_level' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2019:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2019:in `block in top_level' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2058:in `standard_exception_handling' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2013:in `top_level' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:1992:in `run' /usr/ruby1.9.2/bin/rake:31:in `<main>' (in /app)
Launching a cucumber on an application for placing Heroku
Similarly:
$ heroku rake cucumber --remote staging
Results in:
rake aborted! You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.[] /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.7/lib/active_record/railties/databases.rake:429:in `block (3 levels) in <top (required)>' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `call' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `block in execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:595:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:605:in `block in invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:594:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:581:in `invoke' /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.7/lib/active_record/railties/databases.rake:460:in `block (3 levels) in <top (required)>' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `call' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:634:in `block in execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:629:in `execute' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:595:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:605:in `block in invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:594:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:605:in `block in invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:602:in `invoke_prerequisites' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:594:in `block in invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:581:in `invoke' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2041:in `invoke_task' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2019:in `block (2 levels) in top_level' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2019:in `each' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2019:in `block in top_level' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2058:in `standard_exception_handling' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2013:in `top_level' /usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:1992:in `run' /usr/ruby1.9.2/bin/rake:31:in `<main>' (in /app)
The problem is clearly related to the database, but I'm not sure how to solve it.
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