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refute_empty.rb
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refute_empty.rb
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# frozen_string_literal: true
module RuboCop
module Cop
module Minitest
# Enforces to use `refute_empty` instead of using `refute(object.empty?)`.
#
# @example
# # bad
# refute(object.empty?)
# refute(object.empty?, 'message')
#
# # good
# refute_empty(object)
# refute_empty(object, 'message')
#
class RefuteEmpty < Base
extend MinitestCopRule
define_rule :refute, target_method: :empty?
remove_method :on_send
def on_send(node)
return unless node.method?(:refute)
return unless node.first_argument.respond_to?(:method?) && node.first_argument.method?(:empty?)
return unless node.first_argument.arguments.empty?
add_offense(node, message: offense_message(node.arguments)) do |corrector|
autocorrect(corrector, node, node.arguments)
end
end
end
end
end
end