/
runner.rb
254 lines (198 loc) · 6.94 KB
/
runner.rb
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# frozen_string_literal: true
require "async"
module HTMLProofer
class Runner
include HTMLProofer::Utils
attr_reader :options, :cache, :logger, :internal_urls, :external_urls, :checked_paths, :current_check
attr_accessor :current_filename, :current_source, :reporter
URL_TYPES = [:external, :internal].freeze
def initialize(src, opts = {})
@options = HTMLProofer::Configuration.generate_defaults(opts)
@type = @options.delete(:type)
@source = src
@logger = HTMLProofer::Log.new(@options[:log_level])
@cache = Cache.new(self, @options[:cache])
@external_urls = {}
@internal_urls = {}
@failures = []
@before_request = []
@checked_paths = {}
@current_check = nil
@current_source = nil
@current_filename = nil
@reporter = Reporter::Terminal.new(logger: @logger)
end
def run
check_text = pluralize(checks.length, "check", "checks")
if @type == :links
@logger.log(:info, "Running #{check_text} (#{format_checks_list(checks)}) on #{@source} ...\n\n")
check_list_of_links unless @options[:disable_external]
else
@logger.log(:info,
"Running #{check_text} (#{format_checks_list(checks)}) in #{@source} on *#{@options[:extensions].join(", ")} files ...\n\n")
check_files
@logger.log(:info, "Ran on #{pluralize(files.length, "file", "files")}!\n\n")
end
@cache.write
@reporter.failures = @failures
if @failures.empty?
@logger.log(:info, "HTML-Proofer finished successfully.")
else
@failures.uniq!
report_failed_checks
end
end
def check_list_of_links
@external_urls = @source.uniq.each_with_object({}) do |link, hash|
url = Attribute::Url.new(self, link, base_url: nil).to_s
hash[url] = []
end
validate_external_urls
end
# Walks over each implemented check and runs them on the files, in parallel.
# Sends the collected external URLs to Typhoeus for batch processing.
def check_files
process_files.each do |result|
URL_TYPES.each do |url_type|
type = :"#{url_type}_urls"
ivar_name = "@#{type}"
ivar = instance_variable_get(ivar_name)
if ivar.empty?
instance_variable_set(ivar_name, result[type])
else
result[type].each do |url, metadata|
ivar[url] = [] if ivar[url].nil?
ivar[url].concat(metadata)
end
end
end
@failures.concat(result[:failures])
end
validate_external_urls unless @options[:disable_external]
validate_internal_urls
end
# Walks over each implemented check and runs them on the files, in parallel.
def process_files
loaded_files = []
files.each do |file|
Async do |task|
task.async do
loaded_files << load_file(file[:path], file[:source])
end
end
end
loaded_files
end
def load_file(path, source)
@html = create_nokogiri(path)
check_parsed(path, source)
end
# Collects any external URLs found in a directory of files. Also collectes
# every failed test from process_files.
def check_parsed(path, source)
result = { internal_urls: {}, external_urls: {}, failures: [] }
checks.each do |klass|
@current_source = source
@current_filename = path
check = Object.const_get(klass).new(self, @html)
@logger.log(:debug, "Running #{check.short_name} in #{path}")
@current_check = check
check.run
result[:external_urls].merge!(check.external_urls) { |_key, old, current| old.concat(current) }
result[:internal_urls].merge!(check.internal_urls) { |_key, old, current| old.concat(current) }
result[:failures].concat(check.failures)
end
result
end
def validate_external_urls
external_url_validator = HTMLProofer::UrlValidator::External.new(self, @external_urls)
external_url_validator.before_request = @before_request
@failures.concat(external_url_validator.validate)
end
def validate_internal_urls
internal_link_validator = HTMLProofer::UrlValidator::Internal.new(self, @internal_urls)
@failures.concat(internal_link_validator.validate)
end
def files
@files ||= if @type == :directory
@source.map do |src|
pattern = File.join(src, "**", "*{#{@options[:extensions].join(",")}}")
Dir.glob(pattern).select do |f|
File.file?(f) && !ignore_file?(f)
end.map { |f| { source: src, path: f } }
end.flatten
elsif @type == :file && @options[:extensions].include?(File.extname(@source))
[@source].reject { |f| ignore_file?(f) }.map { |f| { source: f, path: f } }
else
[]
end
end
def ignore_file?(file)
@options[:ignore_files].each do |pattern|
if pattern.is_a?(String) && pattern == file
@logger.log(:debug, "Ignoring #{file} because it matches #{pattern}")
return true
end
next unless pattern.is_a?(Regexp) && pattern.match(file)
@logger.log(:debug, "Ignoring #{file} because it matches regexp #{pattern}")
return true
end
false
end
def check_sri?
@options[:check_sri]
end
def enforce_https?
@options[:enforce_https]
end
def checks
return @checks if defined?(@checks) && !@checks.nil?
return (@checks = ["LinkCheck"]) if @type == :links
@checks = HTMLProofer::Check.subchecks(@options).map(&:name)
@checks
end
def failed_checks
@reporter.failures.flatten.select { |f| f.is_a?(Failure) }
end
def report_failed_checks
@reporter.report
failure_text = pluralize(@failures.length, "failure", "failures")
@logger.log(:fatal, "\nHTML-Proofer found #{failure_text}!")
exit(1)
end
# Set before_request callback.
#
# @example Set before_request.
# request.before_request { |request| p "yay" }
#
# @param [ Block ] block The block to execute.
#
# @yield [ Typhoeus::Request ]
#
# @return [ Array<Block> ] All before_request blocks.
def before_request(&block)
@before_request ||= []
@before_request << block if block
@before_request
end
def load_internal_cache
load_cache(:internal)
end
def load_external_cache
load_cache(:external)
end
private def load_cache(type)
ivar = instance_variable_get("@#{type}_urls")
existing_urls_count = @cache.size(type)
cache_text = pluralize(existing_urls_count, "#{type} link", "#{type} links")
@logger.log(:debug, "Found #{cache_text} in the cache")
urls_to_check = @cache.retrieve_urls(ivar, type)
urls_to_check
end
private def format_checks_list(checks)
checks.map do |check|
check.sub(/HTMLProofer::Check::/, "")
end.sort.join(", ")
end
end
end