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Versions: 13
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Rails
# This cop checks for the use of old-style attribute validation macros.
class Validation < Cop
MSG = 'Prefer the new style validations `%s` over `%s`.'.freeze
TYPES = %w(
acceptance
confirmation
exclusion
format
inclusion
length
numericality
presence
size
uniqueness
).freeze
BLACKLIST = TYPES.map { |p| "validates_#{p}_of".to_sym }.freeze
WHITELIST = TYPES.map { |p| "validates :column, #{p}: value" }.freeze
def on_send(node)
receiver, method_name, *_args = *node
return unless receiver.nil? && BLACKLIST.include?(method_name)
add_offense(node,
:selector,
format(MSG,
preferred_method(method_name),
method_name))
end
private
def preferred_method(method)
WHITELIST[BLACKLIST.index(method.to_sym)]
end
def autocorrect(node)
lambda do |corrector|
corrector.replace(node.loc.selector, 'validates')
correct_validate_type(corrector, node)
end
end
def correct_validate_type(corrector, node)
_receiver, method_name, *args = *node
options = args.find { |arg| !arg.sym_type? }
validate_type = method_name.to_s.split('_')[1]
if options
corrector.replace(options.loc.expression,
"#{validate_type}: { #{options.source} }")
else
corrector.insert_after(node.loc.expression,
", #{validate_type}: true")
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems