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Contents
# frozen_string_literal: true
#
# Copyright:: Copyright 2019, 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 Correctness
# Scope file exist to access the correct File class by using ::File.exist? not File.exist?.
#
# @example
#
# # bad
# not_if { File.exist?('/etc/foo/bar') }
#
# # good
# not_if { ::File.exist?('/etc/foo/bar') }
#
class ScopedFileExist < Base
extend AutoCorrector
MSG = 'Scope file exist to access the correct File class by using ::File.exist? not File.exist?.'
def_node_matcher :unscoped_file_exist?, <<-PATTERN
(block (send nil? {:not_if :only_if}) (args) (send $(const nil? :File) {:exist? :exists?} (...)))
PATTERN
def on_block(node)
unscoped_file_exist?(node) do |m|
add_offense(m, message: MSG, severity: :refactor) do |corrector|
corrector.replace(m, '::File')
end
end
end
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems