Update entities compare method

lib/pubid/nist/edition.rb

@@ -1,5 +1,5 @@
 module Pubid::Nist
-  class Edition
+  class Edition < Pubid::Core::Entity
     attr_accessor :year, :month, :day, :parsed, :sequence
 
     def initialize(parsed: nil, year: nil, month: nil, day: nil, sequence: nil)

lib/pubid/nist/publisher.rb

@@ -2,7 +2,7 @@
                                       "../../../publishers.yaml"))
 
 module Pubid::Nist
-  class Publisher
+  class Publisher < Pubid::Core::Entity
     attr_accessor :publisher
 
     def initialize(publisher:)
@@ -17,10 +17,6 @@ def to_s(format = :short)
       PUBLISHERS[format.to_s][@publisher]
     end
 
-    def ==(other)
-      other.publisher == @publisher
-    end
-
     def self.publishers_keys
       PUBLISHERS["long"].keys
     end

lib/pubid/nist/stage.rb

@@ -1,7 +1,7 @@
 STAGES = YAML.load_file(File.join(File.dirname(__FILE__), "../../../stages.yaml"))
 
 module Pubid::Nist
-  class Stage
+  class Stage < Pubid::Core::Entity
     attr_accessor :id, :type
 
     def initialize(id:, type:)

lib/pubid/nist/update.rb

@@ -1,5 +1,5 @@
 module Pubid::Nist
-  class Update
+  class Update < Pubid::Core::Entity
     attr_accessor :number, :year, :month
 
     def initialize(number: nil, year: nil, month: nil)

pubid-nist.gemspec

@@ -33,6 +33,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency "thor"
   spec.add_dependency "lightly"
   spec.add_dependency "parslet"
-  spec.add_dependency "pubid-core", "~> 1.10.4"
+  spec.add_dependency "pubid-core", "~> 1.11.0"
   spec.add_dependency "rubyzip"
 end

spec/nist_pubid/identifier_spec.rb

@@ -954,4 +954,15 @@
         described_class.parse("NIST SP 260-162 2006ed.").weight
     end
   end
+
+  describe "#==" do
+    context "when identifiers equal" do
+      let(:id1) { described_class.parse("NIST SP 800-66r2 IPD") }
+      let(:id2) { described_class.parse("NIST SP 800-66r2 IPD") }
+
+      it "should return equal" do
+        expect(id1).to eq(id2)
+      end
+    end
+  end
 end