vendor/gems/rspec-1.1.2/lib/spec/story/runner/story_runner.rb

   1 module Spec
   2   module Story
   3     module Runner
   4       class StoryRunner
   5         class << self
   6           attr_accessor :current_story_runner
   7
   8           def scenario_from_current_story(scenario_name)
   9             current_story_runner.scenario_from_current_story(scenario_name)
  10           end
  11         end
  12
  13         attr_accessor :stories, :scenarios, :current_story
  14
  15         def initialize(scenario_runner, world_creator = World)
  16           StoryRunner.current_story_runner = self
  17           @scenario_runner = scenario_runner
  18           @world_creator = world_creator
  19           @stories = []
  20           @scenarios_by_story = {}
  21           @scenarios = []
  22           @listeners = []
  23         end
  24
  25         def Story(title, narrative, params = {}, &body)
  26           story = Story.new(title, narrative, params, &body)
  27           @stories << story
  28
  29           # collect scenarios
  30           collector = ScenarioCollector.new(story)
  31           story.run_in(collector)
  32           @scenarios += collector.scenarios
  33           @scenarios_by_story[story.title] = collector.scenarios
  34         end
  35
  36         def run_stories
  37           return if @stories.empty?
  38           @listeners.each { |l| l.run_started(scenarios.size) }
  39           @stories.each do |story|
  40             story.assign_steps_to(World)
  41             @current_story = story
  42             @listeners.each { |l| l.story_started(story.title, story.narrative) }
  43             scenarios = @scenarios_by_story[story.title]
  44             scenarios.each do |scenario|
  45               type = story[:type] || Object
  46               args = story[:args] || []
  47               world = @world_creator.create(type, *args)
  48               @scenario_runner.run(scenario, world)
  49             end
  50             @listeners.each { |l| l.story_ended(story.title, story.narrative) }
  51             World.step_mother.clear
  52           end
  53           unique_steps = (World.step_names.collect {|n| Regexp === n ? n.source : n.to_s}).uniq.sort
  54           @listeners.each { |l| l.collected_steps(unique_steps) }
  55           @listeners.each { |l| l.run_ended }
  56         end
  57
  58         def add_listener(listener)
  59           @listeners << listener
  60         end
  61
  62         def scenario_from_current_story(scenario_name)
  63           @scenarios_by_story[@current_story.title].find {|s| s.name == scenario_name }
  64         end
  65       end
  66     end
  67   end
  68 end