FLPR

config.frameworks -= [ :active_record ]

require 'application'

# Make double-sure the RAILS_ENV is set to test, 
# so fixtures are loaded to the right database
silence_warnings { RAILS_ENV = "test" }

require 'test/unit'
require 'action_controller/test_process'
require 'action_web_service/test_invoke'
require 'breakpoint'

require 'application'

# Make double-sure the RAILS_ENV is set to test, 
# so fixtures are loaded to the right database
silence_warnings { RAILS_ENV = "test" }

require 'test/unit'
require 'active_record/fixtures'
require 'action_controller/test_process'
require 'action_web_service/test_invoke'
require 'breakpoint'

Test::Unit::TestCase.fixture_path = RAILS_ROOT + "/test/fixtures/"

def create_fixtures(*table_names)
  Fixtures.create_fixtures(RAILS_ROOT + "/test/fixtures", table_names)
end

ENV["RAILS_ENV"] = "test"
require File.expand_path(File.dirname(__FILE__) + "/../config/environment")
require 'test_help_without_ar'

class Test::Unit::TestCase
  # Add whatever specific functionality you want
end

# The following code is by Blair Zajac and appeared in the Ruby on Rails mailing list.
# See archived message here:  http://article.gmane.org/gmane.comp.lang.ruby.rails/27426

module Rake
   class Task
     # Clear all existing actions for the given task and then set the action for the task to the given block.
     def self.redefine_task(args, &block)
       task_name, deps = resolve_args(args)
       TASKS.delete(task_name.to_s)
       define_task(args, &block)
     end
   end
end

# Clear all existing actions for the given task and then set the action for the task to the given block.
def redefine_task(args, &block)
   Rake::Task.redefine_task(args, &block)
end

# The following code is by (obvious) master hacker Pat Maddox
desc "Prepare the test database"
redefine_task :prepare_test_database do |t|
  # Don't do anything, there's no database to prepare
end

Posted in Rails | Tags rails, testing | 6 comments

Comments

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1. nukeedit
   Jim Weirich said about 5 hours later:
   

   Hmmm … I’m wondering if it is worth adding a delete_task and redefine_task to the base Rake system. Looks like there is a good user case for it.

2. nukeedit
   Eric Hodel said about 9 hours later:
   

   silence_warnings is such an ugly, ugly hack. Ruby provides defined? and String#replace.

3. nukeedit
   Pat said about 12 hours later:
   

   Hey Eric,

   I was a bit confused at first because I couldn’t remember using silence_warnings in my solution. It’s actually not a hack at all…I edited the blog post to show the original test_help.rb file in railties, and silence_warnings is included there. In my code, I simply got rid of the AR and fixture stuff I didn’t need.

   Just to try something out, I commented out the silence_warnings line in my updated test_help.rb, and everything runs fine still. However, I’d just like to point out that, unless you explicitly change it all your apps are using silence_warnings during testing by default.

   Pat

4. nukeedit
   indy said 21 days later:
   

   The redefine_task doesn’t work with rake-0.7.0, it gives the error:

   undefined method 'resolve_args' for Rake::Task:Class

   rake-0.6.2 seems be fine however

   Indy

5. nukeedit
   Jim Weirich said 22 days later:
   

   Rake 0.7.0 has done some significant internal reorganizations. In particular, the task list is now stored in a Rake application object, possibly allowing multiple rake dependency trees in a single application. Therefore the task management functions were take out of the Task class and moved to a TaskManager class. The following hack should provide the same functionality as the above code.

   module Rake
     module TaskManager
        # Clear all existing actions for the given task and then set the
        # action for the task to the given block.
        def redefine_task(task_class, args, &block)
          task_name, deps = resolve_args(args)
          @tasks.delete(task_name.to_s)
          define_task(task_class, args, &block)
        end
      end
   
      class Task
        def self.redefine_task(args, &block)
          Rake.application.redefine_task(self, args, &block)
        end
      end
   end
   
   # Clear all existing actions for the given task and then set the
   # action for the task to the given block.
   def redefine_task(args, &block)
      Rake::Task.redefine_task(args, &block)
   end
   

   I would point out that the redefine_task command will always redefine the named task to be a plain old vanilla Task, even if it was a FileTask or MultiTask previously.

6. nukeedit
   Jim Weirich said 22 days later:
   

   Just a note about the whole redefine thing: Hacks like this are playing around with some of the internals of Rake, and as such, it is not a publically supported API. There is no guarantee going forward that the internals will not change again as they did for 0.7.0. (I.e. my hack given above is just that, a hack with no guarantee of future support).

   Not that I mind this kind of stuff. In fact, it is hacks like this that help me determine where rake needs to go in the future.

   So, with that disclaimer in mind, have fun.

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