# File lib/webmock/util/headers.rb, line 7 def self.normalize_headers(headers) return nil unless headers array = headers.map { |name, value| [name.to_s.split(/_|-/).map { |segment| segment.capitalize }.join("-"), case value when Regexp then value when Array then (value.size == 1) ? value.first : value.map {|v| v.to_s}.sort else value.to_s end ] } Hash[*array.inject([]) {|r,x| r + x}] end