Exposed registered natures and formats

lib/format_parser.rb

@@ -68,9 +68,22 @@ def self.register_parser(callable_parser, formats:, natures:, priority: LEAST_PR
       end
       @parser_priorities ||= {}
       @parser_priorities[callable_parser] = priority
+
+      @registered_natures ||= []
+      @registered_natures |= parser_provided_natures
+      @registered_formats ||= []
+      @registered_formats |= parser_provided_formats
     end
   end
 
+  def self.registered_natures
+    @registered_natures
+  end
+
+  def self.registered_formats
+    @registered_formats
+  end
+
   # Deregister a parser object (makes FormatParser forget this parser existed). Is mostly used in
   # tests, but can also be used to forcibly disable some formats completely.
   #

spec/format_parser_spec.rb

@@ -217,16 +217,10 @@
     end
 
     it 'ensures that MP3 parser is the last one among all' do
-      parsers = FormatParser.parsers_for(
-        [:audio, :image, :document, :text, :video, :archive],
-        [
-          :aac, :aiff, :arw, :bmp, :cr2, :cr3, :dpx, :fdx, :flac, :gif, :heif, :heic,
-          :jpg, :json, :m3u, :mov, :mp3, :mp4, :m4a, :m4b, :m4p, :m4r, :m4v, :mpg,
-          :mpeg, :nef, :ogg, :pdf, :png, :psd, :rw2, :tif, :wav, :webp, :zip
-        ]
-      )
-
-      parser_class_names = parsers.map { |parser| parser.class.name }
+      natures = FormatParser.registered_natures
+      formats = FormatParser.registered_formats
+      prioritised_parsers = FormatParser.parsers_for(natures, formats)
+      parser_class_names = prioritised_parsers.map { |parser| parser.class.name }
       expect(parser_class_names.last).to eq 'FormatParser::MP3Parser'
     end
   end