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# frozen_string_literal: true
module RuboCop
module Cop
module RSpec
# Sort RSpec metadata alphabetically.
#
# @example
# # bad
# describe 'Something', :b, :a
# context 'Something', foo: 'bar', baz: true
# it 'works', :b, :a, foo: 'bar', baz: true
#
# # good
# describe 'Something', :a, :b
# context 'Something', baz: true, foo: 'bar'
# it 'works', :a, :b, baz: true, foo: 'bar'
#
class SortMetadata < Base
extend AutoCorrector
include Metadata
include RangeHelp
MSG = 'Sort metadata alphabetically.'
def on_metadata(symbols, pairs)
return if sorted?(symbols, pairs)
crime_scene = crime_scene(symbols, pairs)
add_offense(crime_scene) do |corrector|
corrector.replace(crime_scene, replacement(symbols, pairs))
end
end
private
def crime_scene(symbols, pairs)
metadata = symbols + pairs
range_between(
metadata.first.loc.expression.begin_pos,
metadata.last.loc.expression.end_pos
)
end
def replacement(symbols, pairs)
(sort_symbols(symbols) + sort_pairs(pairs)).map(&:source).join(', ')
end
def sorted?(symbols, pairs)
symbols == sort_symbols(symbols) && pairs == sort_pairs(pairs)
end
def sort_pairs(pairs)
pairs.sort_by { |pair| pair.key.source.downcase }
end
def sort_symbols(symbols)
symbols.sort_by do |symbol|
if %i[str sym].include?(symbol.type)
symbol.value.to_s.downcase
else
symbol.source.downcase
end
end
end
end
end
end
end
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