An alternative to the "ugly mirror" shown in http://vitobotta.com/applying-bitwise-operations-to-rspec-testing/

snippet.rb

# A Ruby snippet posted as a comment on http://vitobotta.com/applying-bitwise-operations-to-rspec-testing/


# [ activable?, persisted?, new?,  suspended? ]
# =============================================
combinations = [
  [ false,      false,      false, false      ],
  [ false,      false,      true,  false      ],
  [ false,      false,      false, true       ],
  [ false,      true,       false, false      ],
  [ true,       true,       true,  false      ],
  # and the remaining possible combinations ...
]

combinations.each do |activable, persisted, _new, suspended|
  license.stub(:persisted?).and_return(persisted)
  license.stub(:status_new?).and_return(_new)
  license.stub(:status_suspended?).and_return(suspended)
  
  license.activable?.should eq(activable)
end