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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Rails
#
# Use `assert_not` instead of `assert !`.
#
# @example
# # bad
# assert !x
#
# # good
# assert_not x
#
class AssertNot < RuboCop::Cop::Cop
MSG = 'Prefer `assert_not` over `assert !`.'.freeze
def_node_matcher :offensive?, '(send nil? :assert (send ... :!) ...)'
def on_send(node)
add_offense(node) if offensive?(node)
end
def autocorrect(node)
expression = node.loc.expression
lambda do |corrector|
corrector.replace(
expression,
corrected_source(expression.source)
)
end
end
private
def corrected_source(source)
source.gsub(/^assert(\(| ) *! */, 'assert_not\\1')
end
end
end
end
end
Version data entries
6,785 entries across 6,779 versions & 25 rubygems