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Contents
module RSpec
module Core
# @private
# Wrapper around Ruby's `DidYouMean::SpellChecker` when available to provide file name suggestions.
class DidYouMean
attr_reader :relative_file_name
def initialize(relative_file_name)
@relative_file_name = relative_file_name
end
if defined?(::DidYouMean::SpellChecker)
# provide probable suggestions
def call
checker = ::DidYouMean::SpellChecker.new(:dictionary => Dir["spec/**/*.rb"])
probables = checker.correct(relative_file_name.sub('./', ''))[0..2]
return '' unless probables.any?
formats probables
end
else
# return a hint if API for ::DidYouMean::SpellChecker not supported
def call
"\nHint: Install the `did_you_mean` gem in order to provide suggestions for similarly named files."
end
end
private
def formats(probables)
rspec_format = probables.map { |s, _| "rspec ./#{s}" }
red_font(top_and_tail rspec_format)
end
def top_and_tail(rspec_format)
spaces = ' ' * 20
rspec_format.insert(0, ' - Did you mean?').join("\n#{spaces}") + "\n"
end
def red_font(mytext)
colorizer = ::RSpec::Core::Formatters::ConsoleCodes
colorizer.wrap mytext, :failure
end
end
end
end
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