Class: Proof::Extend

Inherits:
Object
  • Object
show all
Includes:
Initializer
Defined in:
lib/proof/extend.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.into(obj_under_test) ⇒ Object 



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# File 'lib/proof/extend.rb', line 7

def self.into(obj_under_test)
  instance = new obj_under_test
  instance.extend_obj
end

Instance Method Details

#defined ⇒ Object 



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# File 'lib/proof/extend.rb', line 37

def defined
  @defined ||= mod.const_defined? :Proof, search_ancestors=false
end

#extend_obj ⇒ Object 



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# File 'lib/proof/extend.rb', line 16

def extend_obj
  if extension.nil?
    Output.details "#{mod.name} not extended by #{extension_name}"
    return obj_under_test
  end

  Output.details "Extending #{extension_name} into #{mod.name}"
  Extension.! obj_under_test, extension
end

#extension ⇒ Object 



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# File 'lib/proof/extend.rb', line 26

def extension
  return @extension if @extension

  Output.details "#{mod.name} has #{defined ? '' : 'no '}inner Proof"

  return nil unless defined
  
  Output.details "Getting constant #{mod.name}::Proof"
  @extension ||= mod.const_get :Proof, search_ancestors=false
end

#extension_name ⇒ Object 



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# File 'lib/proof/extend.rb', line 41

def extension_name
  "#{mod.name}::Proof"
end

#mod ⇒ Object 



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# File 'lib/proof/extend.rb', line 12

def mod
  @mod ||= ([Module, Class].include?(obj_under_test.class) ? obj_under_test : obj_under_test.class)
end