Class: Ape::MediaLinkageValidator

Inherits:
Validator
  • Object
show all
Defined in:
lib/ape/validators/media_linkage_validator.rb

Instance Attribute Summary

Attributes inherited from Validator

#authent, #reporter

Instance Method Summary collapse

Methods inherited from Validator

custom_validators, instance

Methods included from Util

extended, included

Methods included from ValidatorDsl

included

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Ape::Validator

Instance Method Details

#validate(opts = {}) ⇒ Object 



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# File 'lib/ape/validators/media_linkage_validator.rb', line 6

def validate(opts = {})
  reporter.info(self, "TESTING: Media collection re-ordering after PUT.")
  coll = opts[:media_collection]
  
  # We'll post three mini entries to the collection
  data = Samples.picture
  poster = Poster.new(coll.href, @authent)
  ['One', 'Two', 'Three'].each do |num|
    slug = "Picture #{num}"
    poster.set_header('Slug', slug)
    name = "Posting pic #{num}"
    worked = poster.post('image/jpeg', data)
    reporter.save_dialog(name, poster)
    if !worked
      reporter.error(self, "Can't POST Picture #{num}: #{poster.last_error}", name)
      return
    end
    sleep 2
  end
  
  # grab the collection to gather the MLE ids
  entries = Feed.read(coll.href, 'Pictures from multi-post', reporter)
  if entries.size < 3 
    reporter.error(self, "Pictures apparently not in collection")
    return
  end
    
  ids = entries.map { |e| e.child_content('id') }
  
  # let's update one of them; have to fetch it first to get the ETag
  two_media = entries[1].link('edit-media')
  if !two_media
    reporter.error(self, "Second entry from feed doesn't have an 'edit-media' link.")
    return
  end
  two_resp = check_resource(two_media, 'Fetch image to get ETag', 'image/jpeg')
  unless two_resp
    reporter.error(self, "Can't fetch image to get ETag")
    return
  end
  etag = two_resp.header 'etag'
      
  putter = Putter.new(two_media, @authent)
  putter.set_header('If-Match', etag)
  
  name = 'Updating one of three pix with PUT'
  if putter.put('image/jpeg', data)
    reporter.success(self, "Update one of newly posted pictures went OK.")
  else  
    reporter.save_dialog(name, putter)
    reporter.error(self, "Can't update picture at #{two_media}", name)
    return
  end
  
  # now the order should have changed
  wanted = [ ids[2], ids[0], ids[1] ]
  entries = Feed.read(coll.href, 'MLEs post-update', reporter)
  entries.each do |from_feed|
    want = wanted.pop
    unless from_feed.child_content('id').eql?(want)
      reporter.error(self, "Updating bits failed to re-order link entries in media collection.")
      return
    end
    
    # next to godliness
    delete_entry(from_feed)
    
    break if wanted.empty?
  end
  reporter.success(self, "Entries correctly ordered after update of multi-post.")
end