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Migration RSpec 2 matchers to spec migration files, fx as generated by a Thor generator
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 Dependencies

Development

>= 2.0.0

Runtime

~> 1.2.0
>= 2.0.0
 Project Readme

Migration spec

RSpec 2 matchers to let you specify expectations for your migration files and/or generators that generate migrations. There is currently only support for Active Record migrations.

Install

gem install migration-spec

Usage

See specs for how to use it!

Example:

  require 'rspec'
  require 'rspec/autorun'
  require 'migration-spec'

  def other_rails_app
    File.expand_path(File.dirname(__FILE__) + '/rails_app')
  end    

  it "should match expected column layout" do

    Rails.root.should have_migration :add_columns
    
    other_rails_app.should have_migration :do_columns do |klass|
      klass.should have_up do |up|
        up.should have_create_table :users do |user_tbl|
           user_tbl.should have_columns :name => :string, :age => :integer, :admin => :boolean
           user_tbl.should_not have_timestamps              
        end
      end

      klass.should have_down do |down|
        down.should have_call 'drop_table', :users
      end
    end
  end

Notes

The gem depends on 'code-spec', which I plan to improve with better argument handling than the current 'crude' approach. This will make the 'have_call' statements used in the various matchers much better:

I am targeting to replace the current format:

    have_call 'rename_column', ":#{tbl_name}\s*,\s*:#{old_name},\s*:#{new_name}"  

With a much more readable DSL format:

    have_call 'rename_column', [:users, :name, :first_name]

I will add this ASAP, so let me know if it's already there and I have forgotten to remove this notice!

Note on Patches/Pull Requests

  • Fork the project.
  • Make your feature addition or bug fix.
  • Add tests for it. This is important so I don't break it in a future version unintentionally.
  • Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)
  • Send me a pull request. Bonus points for topic branches.

Copyright

Copyright (c) 2010 Kristian Mandrup. See LICENSE for details.