require 'rake'
require 'rspec/core/rake_task'
 
module Henry
  
  class Task
    
    # The Henry Task implementation for Rspec
    class RspecTask < Task
      
      # Executes the Task and returns its results.
      def execute
        begin
          Rake.application['spec'].invoke 
 
          self.execution.code = 'OK'
          self.execution.message = 'OK'
          self.execution.output = File.open('rspec.out', 'r').read
        rescue Exception => e
          self.execution.code = 'ERROR'
          self.execution.message = 'ERROR'
          self.execution.output = File.open('rspec.out', 'r').read
          self.execution.backtrace = e.message
        end
      end

      # Configures the Task.
      #
      # @param [Hash] params the task params.
      def configure(params)
        File.open('rspec.out', 'w') { |f| }

        # Makes available the spec rake task.
        RSpec::Core::RakeTask.new do |t|
          t.pattern = (self.data.options && self.data.options['pattern']) || 'spec/*'
          t.rspec_opts = '--out rspec.out'
        end

        self.export_params(params)
      end

    end

  end

end