Module: DoRewrite

Defined in:
lib/spec/spec_helper.rb

Instance Method Summary collapse

Instance Method Details

#do_rewrite(method_name, object, verbose = false, old_and_new_are_same = true) ⇒ Object 



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# File 'lib/spec/spec_helper.rb', line 127

def do_rewrite(method_name, object, verbose = false,
               old_and_new_are_same = true)
  sexp = @methods[method_name]
  # Run all rewriters on the sexp
  result = rewriters.reduce(sexp) { |rewritee, rewriter|
    rewriter.process rewritee
  }
  stringifier = VirtualKeywords::SexpStringifier.new

  # Visually inspecting this result, it appears to be right
  code_result = stringifier.stringify result
  if verbose
    puts code_result
  end

  # my_* are  dummy methods that do not change behavior, so both the
  # old and new code should produce the same result,
  # except that @my_*_calls is incremented
  old_result = object.send method_name
  object.instance_eval code_result
  #VirtualKeywords::ClassReflection.new.install_method_on_instance(
       #object, code_result)
  new_result = object.send method_name

  if old_and_new_are_same
    new_result.should eql old_result
  end
end

#rewriters ⇒ Object

Override this and return a list of rewriters, in order, so do_rewrite can call them

Raises:



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# File 'lib/spec/spec_helper.rb', line 123

def rewriters
  raise Abstract, 'Must provide rewriters!'
end