Module: RBehave::World

Includes:
Spec::Matchers
Defined in:
lib/rbehave/world.rb

Overview

A World represents the actual instance a scenario will run in.

RBehave ensures any instance variables and methods defined anywhere
in a story block are available to all the scenarios. This includes
variables that are created or referenced inside Given, When and Then
blocks.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.add_listener(listener) ⇒ Object 



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# File 'lib/rbehave/world.rb', line 28

def add_listener(listener)
  listeners() << listener
end

.create(cls = Object, *args) ⇒ Object 



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# File 'lib/rbehave/world.rb', line 20

def create(cls = Object, *args)
  cls.new(*args).extend(World)
end

.listeners ⇒ Object 



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# File 'lib/rbehave/world.rb', line 24

def listeners
  @listeners ||= []
end

.run_with_suspended_listeners(instance, type, name, step) ⇒ Object

TODO: lots of duplication between #run_with_suspended_listeners and #store_and_call



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# File 'lib/rbehave/world.rb', line 38

def run_with_suspended_listeners(instance, type, name, step)
  current_listeners = Array.new(@listeners)
  begin
    listeners.each { |l| l.found_step(type, name) }
    @listeners.clear
    step.perform(instance) unless RBehave::Runner.dry_run
  ensure
    @listeners.replace(current_listeners)
  end
end

.step_mother ⇒ Object 



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# File 'lib/rbehave/world.rb', line 32

def step_mother
  @step_mother ||= StepMother.new
end

.store_and_call(instance, type, name, *args, &block) ⇒ Object 



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# File 'lib/rbehave/world.rb', line 49

def store_and_call(instance, type, name, *args, &block)
  if block_given?
    step_mother.store(type, name, SimpleStep.new(name, &block))
  end
  step = step_mother.find(type, name)
  listeners.each { |l| l.found_step(type, name, *args) }
  step.perform(instance, *args) unless RBehave::Runner.dry_run
end

Instance Method Details

#Given(name, *args, &block) ⇒ Object 



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# File 'lib/rbehave/world.rb', line 63

def Given(name, *args, &block)
  World.store_and_call self, :given, name, *args, &block
end

#GivenScenario(name) ⇒ Object 



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# File 'lib/rbehave/world.rb', line 59

def GivenScenario(name)
  World.run_with_suspended_listeners(self, :'given scenario', name, GivenScenario.new(name))
end

#pending(message = 'todo') ⇒ Object

Raises:



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# File 'lib/rbehave/world.rb', line 75

def pending(message = 'todo')
  raise PendingException, message unless RBehave::Runner.dry_run
end

#Then(name, *args, &block) ⇒ Object 



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# File 'lib/rbehave/world.rb', line 71

def Then(name, *args, &block)
  World.store_and_call self, :then, name, *args, &block
end

#When(name, *args, &block) ⇒ Object 



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# File 'lib/rbehave/world.rb', line 67

def When(name, *args, &block)
  World.store_and_call self, :when, name, *args, &block
end