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Interface design helpers for RSpec that encourage you to stick to the philosophy of "Write a Failing Spec First."
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README

README

You need a new class. Some dev on your team is *insisting* that everyone use
BDD and RSpec. You're not opposed, except that it takes so much time to 
figure out where to even begin! "Write a failing spec first?" Easier said
than done. 

What you really want is to write code. Plain and simple. RSpec should
facilitate that, not get in the way of it. But here you are, trying to 
figure out the simplest possible thing you could possibly make this spec
fail in a way that would actually look like progress. 

Enter: RFace.


How to use it:

# "Well, I know I'm going to need a method named..."
describe InterfaceExample do
  include InterfaceHelper

  subject {described_class.new}

  implements :some_instance_method, :some_other_instance_method
  # InterfaceExample defines #some_instance_method, #some_other_instance_method 

  class_implements :some_class_method, :some_other_class_method
  # InterfaceExample defines .some_class_method, .some_other_class_method
end

# "I'm probably going to have a simple attribute named..."
describe AssignmentExample do
  include AssignmentHelper 

  subject {described_class.new}

  sets :foo => 1, :bar => 2
  # Verifies that it is possible to assign subject.foo=1 or subject.bar=2 and 
  #   that value will not change without subsequent assignment.
end

# "There will probably be an attribute that lives in the DB named..."
describe PersistenceExample do
  include PersistenceHelper

  subject {described_class.new}

  persists :foo => 1, :bar => 2
  # Verifies that subject can be #save'd, #reload'ed, and that #foo will be 1 
  #   between save and reload, #bar will be 2 between save and reload. 
end
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