Class: HTMLProofer::Runner

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/html-proofer/runner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#create_nokogiri, #pluralize, #swap

Constructor Details

#initialize(src, opts = {}) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/html-proofer/runner.rb', line 9

def initialize(src, opts = {})
  @src = src

  @options = HTMLProofer::Configuration::PROOFER_DEFAULTS.merge(opts)

  @options[:typhoeus] = HTMLProofer::Configuration::TYPHOEUS_DEFAULTS.merge(opts[:typhoeus] || {})
  @options[:hydra] = HTMLProofer::Configuration::HYDRA_DEFAULTS.merge(opts[:hydra] || {})

  @options[:parallel] = HTMLProofer::Configuration::PARALLEL_DEFAULTS.merge(opts[:parallel] || {})
  @options[:validation] = HTMLProofer::Configuration::VALIDATION_DEFAULTS.merge(opts[:validation] || {})
  @options[:cache] = HTMLProofer::Configuration::CACHE_DEFAULTS.merge(opts[:cache] || {})

  @type = @options.delete(:type)
  @logger = HTMLProofer::Log.new(@options[:log_level])
  @cache = Cache.new(@logger, @options[:cache])
  @internal_link_checks = nil

  # Add swap patterns for internal domains
  unless @options[:internal_domains].empty?
    @options[:internal_domains].each do |dom|
      @options[:url_swap][Regexp.new("^http://#{dom}")] = ''
      @options[:url_swap][Regexp.new("^https://#{dom}")] = ''
      @options[:url_swap][Regexp.new("^//#{dom}")] = ''
    end
  end

  @internal_urls = {}
  @internal_urls_to_paths = {}
  @external_urls = {}
  @failures = []
  @before_request = []
end

Instance Attribute Details

#external_urls ⇒ Object (readonly)

Returns the value of attribute external_urls.



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# File 'lib/html-proofer/runner.rb', line 7

def external_urls
  @external_urls
end

#failures ⇒ Object (readonly)

Returns the value of attribute failures.



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# File 'lib/html-proofer/runner.rb', line 7

def failures
  @failures
end

#internal_urls ⇒ Object (readonly)

Returns the value of attribute internal_urls.



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# File 'lib/html-proofer/runner.rb', line 7

def internal_urls
  @internal_urls
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/html-proofer/runner.rb', line 7

def options
  @options
end

Instance Method Details

#before_request(&block) {|Typhoeus::Request| ... } ⇒ Array<Block>

Set before_request callback.

Examples:

Set before_request.

request.before_request { |request| p "yay" }

Parameters:

  • The block to execute.

Yields:

  • (Typhoeus::Request)

Returns:

  • All before_request blocks.



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# File 'lib/html-proofer/runner.rb', line 234

def before_request(&block)
  @before_request ||= []
  @before_request << block if block
  @before_request
end

#check_files ⇒ Object

Collects any external URLs found in a directory of files. Also collectes every failed test from process_files. Sends the external URLs to Typhoeus for batch processing.



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# File 'lib/html-proofer/runner.rb', line 75

def check_files
  process_files.each do |item|
    @external_urls.merge!(item[:external_urls])
    @failures.concat(item[:failures])
  end

  # TODO: lazy. if we're checking only external links,
  # we'll just trash all the failed tests. really, we should
  # just not run those other checks at all.
  if @options[:external_only]
    @failures = []
    validate_external_urls
  elsif !@options[:disable_external]
    validate_external_urls
    validate_internal_urls
  else
    validate_internal_urls
  end
end

#check_list_of_links ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 60

def check_list_of_links
  if @options[:url_swap]
    @src = @src.map do |url|
      swap(url, @options[:url_swap])
    end
  end
  @external_urls = @src.each_with_object({}) do |url, hash|
    hash[url] = nil
  end
  validate_external_urls
end

#check_parsed(html, path) ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 104

def check_parsed(html, path)
  result = { external_urls: {}, failures: [] }

  @src = [@src] if @type == :file

  @src.each do |src|
    checks.each do |klass|
      @logger.log :debug, "Checking #{klass.to_s.downcase} on #{path} ..."
      check = Object.const_get(klass).new(src, path, html, @logger, @cache, @options)
      check.run

      if klass == 'LinkCheck'
        @internal_link_checks = check
        check.internal_urls.each_pair do |url, internal_urls|
          if @internal_urls_to_paths[url]
            @internal_urls_to_paths[url].concat(internal_urls.map(&:path))
          else
            @internal_urls_to_paths[url] = internal_urls.map(&:path)
          end
        end
        @internal_urls.merge!(check.internal_urls)
      end

      external_urls = check.external_urls
      external_urls = check.external_urls.map { |url, file| [swap(url, @options[:url_swap]), file] }.to_h if @options[:url_swap]
      result[:external_urls].merge!(external_urls)
      result[:failures].concat(check.issues)
    end
  end
  result
end

#check_path(path) ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 136

def check_path(path)
  check_parsed(create_nokogiri(path), path)
end

#checks ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 193

def checks
  return @checks if defined?(@checks) && !@checks.nil?

  return (@checks = ['LinkCheck']) if @type == :links

  @checks = HTMLProofer::Check.subchecks.map(&:name)
  @checks.delete('FaviconCheck') unless @options[:check_favicon]
  @checks.delete('HtmlCheck') unless @options[:check_html]
  @checks.delete('OpenGraphCheck') unless @options[:check_opengraph]
  @options[:checks_to_ignore].each { |ignored| @checks.delete(ignored) }
  @checks
end

#failed_tests ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 206

def failed_tests
  result = []
  return result if @failures.empty?

  @failures.each { |f| result << f.to_s }
  result
end

#files ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 170

def files
  @files ||= if @type == :directory
               @src.map do |src|
                 pattern = File.join(src, '**', "*#{@options[:extension]}")
                 files = Dir.glob(pattern).select { |fn| File.file? fn }
                 files.reject { |f| ignore_file?(f) }
               end.flatten
             elsif @type == :file && File.extname(@src) == @options[:extension]
               [@src].reject { |f| ignore_file?(f) }
             else
               []
             end
end

#ignore_file?(file) ⇒ Boolean

Returns:



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# File 'lib/html-proofer/runner.rb', line 184

def ignore_file?(file)
  @options[:file_ignore].each do |pattern|
    return true if pattern.is_a?(String) && pattern == file
    return true if pattern.is_a?(Regexp) && pattern =~ file
  end

  false
end

#load_internal_cache ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 240

def load_internal_cache
  urls_to_check = @cache.retrieve_urls(@internal_urls, :internal)
  cache_text = pluralize(urls_to_check.count, 'internal link', 'internal links')
  @logger.log :info, "Found #{cache_text} in the cache..."

  urls_to_check
end

#print_failed_tests ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 214

def print_failed_tests
  sorted_failures = SortedIssues.new(@failures, @options[:error_sort], @logger)

  sorted_failures.sort_and_report
  count = @failures.length
  failure_text = pluralize(count, 'failure', 'failures')
  @logger.log :fatal, "\nHTML-Proofer found #{failure_text}!"
  exit 1
end

#process_files ⇒ Object

Walks over each implemented check and runs them on the files, in parallel.



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# File 'lib/html-proofer/runner.rb', line 96

def process_files
  if @options[:parallel].empty?
    files.map { |path| check_path(path) }
  else
    Parallel.map(files, @options[:parallel]) { |path| check_path(path) }
  end
end

#run ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 42

def run
  if @type == :links
    @logger.log :info, "Running #{checks} on #{@src}... \n\n"
    check_list_of_links unless @options[:disable_external]
  else
    @logger.log :info, "Running #{checks} on #{@src} on *#{@options[:extension]}... \n\n"
    check_files
    file_text = pluralize(files.length, 'file', 'files')
    @logger.log :info, "Ran on #{file_text}!\n\n"
  end

  if @failures.empty?
    @logger.log :info, 'HTML-Proofer finished successfully.'
  else
    print_failed_tests
  end
end

#validate_external_urls ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 140

def validate_external_urls
  url_validator = HTMLProofer::UrlValidator.new(@logger, @cache, @external_urls, @options)
  url_validator.before_request = @before_request
  @failures.concat(url_validator.run)
  @external_urls = url_validator.external_urls
end

#validate_internal_urls ⇒ Object 



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# File 'lib/html-proofer/runner.rb', line 147

def validate_internal_urls
  if @cache.use_cache?
    urls_to_check = load_internal_cache

    urls_to_check.each_pair do |url, internal_urls|
      # pulled from cache
      internal_urls = @internal_urls[url] unless internal_urls.first.is_a?(LinkCheck::InternalLink)

      result = @internal_link_checks.check_internal_link(internal_urls.first.link, internal_urls.first.path, internal_urls.first.line, internal_urls.first.content)
      code = result ? 200 : 404
      @cache.add(url, @internal_urls_to_paths[url].sort, code, '') # TODO: blank msg for now
    end
    @cache.write
  else
    @internal_urls.values.flatten.each do |internal_url|
      result = @internal_link_checks.check_internal_link(internal_url.link, internal_url.path, internal_url.line, internal_url.content)
      next if result

      @failures.concat(@internal_link_checks.issues) unless @internal_link_checks.issues.length.zero?
    end
  end
end