Test case for Feedjira issue #253

0_README.md

bundle install
bundle exec ruby feedjira_test.rb
bundle exec ruby monkeypatched_feedjira_test.rb

feedjira_test.rb

require 'feedjira'

xml = <<-XML
  <?xml version="1.0" encoding="UTF-8" ?>
  <rss version="2.0">
  <channel>
    <title>RSS Title</title>
    <item>
      <description>This entry is ok.</description>
    </item>
    <item>
      <description>Here is an invalid character: \xE9!</description>
    </item>
    <item>
      <description>This other entry is also ok, but never reached.</description>
    </item>
  </channel>
  </rss>
XML

# Force Feedjira::Parser::RSS.able_to_parse? to return true
xml.force_encoding("ASCII-8BIT")

# Callback that is supposed to be called
callback = ->(*args) { puts "Callback was called with args: "; puts args.inspect }

# This line should cause callback to be called, but nothing happens
feed = Feedjira::Feed.parse(xml, &callback)

# Inspect feed object
puts "Feed entries: #{feed.entries.count}"

Gemfile

source 'https://rubygems.org'

gem 'feedjira', git: 'https://github.com/feedjira/feedjira.git'

monkeypatched_feedjira_test.rb

require 'feedjira'

# Monkey-patch Feedjira
module Feedjira::FeedUtilities::ClassMethods
  def parse(xml, &block)
    xml = xml.lstrip
    xml = preprocess(xml) if preprocess_xml
    super xml, block
  end
end

# Run the same script
load './feedjira_test.rb'