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Contents
#
# Copyright:: 2019-2020, Chef Software, Inc.
# Author:: Tim Smith (<tsmith@chef.io>)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
module RuboCop
module Cop
module Chef
module ChefModernize
# In Chef Infra Client 12+ is is no longer necessary to gate the use of the provides methods in resources with `if respond_to?(:provides)` or `if defined? provides`.
#
# @example
#
# # bad
# provides :foo if respond_to?(:provides)
#
# provides :foo if defined? provides
#
# # good
# provides :foo
#
class RespondToProvides < Cop
MSG = 'Using `respond_to?(:provides)` or `if defined? provides` in resources is no longer necessary in Chef Infra Client 12+.'.freeze
def on_if(node)
if_respond_to_provides?(node) do
add_offense(node, location: :expression, message: MSG, severity: :refactor)
end
end
def_node_matcher :if_respond_to_provides?, <<~PATTERN
(if
{
(send nil? :respond_to?
(sym :provides))
(:defined?
(send nil? :provides))
}
(send nil? :provides
(sym _)) ... )
PATTERN
def autocorrect(node)
lambda do |corrector|
corrector.replace(node.loc.expression, node.children[1].source)
end
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems