require 'spectro'

class Sample

  include Spectro

  implements \
    hello: [:name]

end

__END__
spec_for hello String -> String
  "Minion"  -> "Say Hello to Minion"
  "Roberto" -> "Say Hello to Roberto"
  "Roland"  -> "Say Hello to Roland"

sample = Sample.new

sample.hello 'Eddie' #=> 'Say Hello to Eddie'

require 'spectro'

class EmailValidator

  include Spectro

  implements \
    valid?: [:email]

end

__END__
spec_for valid? String -> TrueClass|FalseClass
  "valid@email.com"  -> true
  "invalidATemail.com" -> false

require 'email_validator' #=> Spectro::Exception::UndefinedMethodDefinition

Spectro.configure do |config|
  config.enable_mocks!
end

require 'email_validator'

email_validator = EmailValidator.new

email_validator.valid?("valid@email.com") #=> true 
email_validator.valid?("invalidATemail.com") #=> false 
email_validator.valid?("unknown_param@email.com") #=> raise Spectro::Exception::UnkwnonMockResponse