Module: RubyInterface::ClassMethods

Defined in:
lib/ruby_interface.rb

Instance Method Summary collapse

Instance Method Details

#defines(*args) ⇒ Object 



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# File 'lib/ruby_interface.rb', line 10

def defines(*args)
  @methods_to_define ||= []
  @methods_to_define += args
end

#inherited(klass) ⇒ Object 



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# File 'lib/ruby_interface.rb', line 15

def inherited(klass)
  trace = TracePoint.new(:end) do |point|
    next unless point.self == klass
    missing_methods = @methods_to_define - klass.instance_methods(false)
    trace.disable

    next if missing_methods.empty?

    message = "Expected #{klass.name} to define "
    message << missing_methods.map { |method| "##{method}" }.join(', ')
    raise NotImplementedError, message
  end
  trace.enable
end