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Versions: 7
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Minitest
# This cop enforces the test to use `assert_empty`
# instead of using `assert(object.empty?)`.
#
# @example
# # bad
# assert(object.empty?)
# assert(object.empty?, 'message')
#
# # good
# assert_empty(object)
# assert_empty(object, 'message')
#
class AssertEmpty < Base
extend MinitestCopRule
define_rule :assert, target_method: :empty?
remove_method :on_send
def on_send(node)
return unless node.method?(:assert)
return unless (arguments = peel_redundant_parentheses_from(node.arguments))
return unless arguments.first.respond_to?(:method?) && arguments.first.method?(:empty?)
return unless arguments.first.arguments.empty?
add_offense(node, message: offense_message(arguments)) do |corrector|
autocorrect(corrector, node, arguments)
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems