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# ---------------------------------------------------------------------------
#
# This script validates the generated guides against the W3C Validator.
#
# Guides are taken from the output directory, from where all .html files are
# submitted to the validator.
#
# This script is prepared to be launched from the railties directory as a rake task:
#
# rake validate_guides
#
# If nothing is specified, all files will be validated, but you can check just
# some of them using this environment variable:
#
# ONLY
# Use ONLY if you want to validate only one or a set of guides. Prefixes are
# enough:
#
# # validates only association_basics.html
# ONLY=assoc rake validate_guides
#
# Separate many using commas:
#
# # validates only
# ONLY=assoc,migrations rake validate_guides
#
# ---------------------------------------------------------------------------
require 'rubygems'
require 'w3c_validators'
include W3CValidators
module RailsGuides
class Validator
def validate
validator = MarkupValidator.new
guides_to_validate.each do |f|
puts "Validating #{f}"
results = validator.validate_file(f)
if !results.validity
puts "#{f} FAILED W3C validation with #{results.errors.size} error(s):"
results.errors.each do |error|
puts error.to_s
end
end
end
end
private
def guides_to_validate
guides = Dir["./guides/output/*.html"]
ENV.key?('ONLY') ? select_only(guides) : guides
end
def select_only(guides)
prefixes = ENV['ONLY'].split(",").map(&:strip)
guides.select do |guide|
prefixes.any? {|p| guide.start_with?("./guides/output/#{p}")}
end
end
end
end
RailsGuides::Validator.new.validate
|
