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# frozen_string_literal: true
module RuboCop
module RSpec
# RSpec example wording rewriter
class Wording
SHOULDNT_PREFIX = /\Ashould(?:n't| not)\b/i.freeze
SHOULDNT_BE_PREFIX = /#{SHOULDNT_PREFIX} be\b/i.freeze
ES_SUFFIX_PATTERN = /(?:o|s|x|ch|sh|z)\z/i.freeze
IES_SUFFIX_PATTERN = /[^aeou]y\z/i.freeze
def initialize(text, ignore:, replace:)
@text = text
@ignores = ignore
@replacements = replace
end
def rewrite
case text
when SHOULDNT_BE_PREFIX
replace_prefix(SHOULDNT_BE_PREFIX, 'is not')
when SHOULDNT_PREFIX
replace_prefix(SHOULDNT_PREFIX, 'does not')
else
remove_should_and_pluralize
end
end
private
attr_reader :text, :ignores, :replacements
def replace_prefix(pattern, replacement)
text.sub(pattern) do |shouldnt|
uppercase?(shouldnt) ? replacement.upcase : replacement
end
end
def uppercase?(word)
word.upcase.eql?(word)
end
def remove_should_and_pluralize
_should, *words = text.split
words.each_with_index do |word, index|
next if ignored_word?(word)
words[index] = substitute(word)
break
end
words.join(' ')
end
def ignored_word?(word)
ignores.any? { |ignore| ignore.casecmp(word).zero? }
end
def substitute(word)
# NOTE: Custom replacements are case sensitive.
return replacements.fetch(word) if replacements.key?(word)
case word
when ES_SUFFIX_PATTERN then append_suffix(word, 'es')
when IES_SUFFIX_PATTERN then append_suffix(word[0..-2], 'ies')
else append_suffix(word, 's')
end
end
def append_suffix(word, suffix)
suffix = suffix.upcase if uppercase?(word)
"#{word}#{suffix}"
end
private_constant(*constants(false))
end
end
end
Version data entries
42 entries across 40 versions & 2 rubygems