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require 'rubocop-rspec'
module RuboCop
module Cop
module RSpec
# This cop checks for single-line hook blocks
#
# @example
#
# # bad
# before { do_something }
# after(:each) { undo_something }
#
# # good
# before do
# do_something
# end
#
# after(:each) do
# undo_something
# end
class SingleLineHook < Cop
MESSAGE = "Don't use single-line hook blocks.".freeze
def_node_search :rspec_hook?, <<~PATTERN
(send nil {:after :around :before} ...)
PATTERN
def on_block(node)
return unless rspec_hook?(node)
return unless node.single_line?
add_offense(node, :expression, MESSAGE)
end
end
end
end
end
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