handle SignedRetraction and RelayableRetraction as Retraction after parse

lib/diaspora_federation/entities/relayable_retraction.rb

@@ -61,6 +61,13 @@ module DiasporaFederation
 
       private
 
+      # @param [Nokogiri::XML::Element] root_node xml nodes
+      # @return [Retraction] instance
+      def self.populate_entity(root_node)
+        super(root_node).to_retraction
+      end
+      private_class_method :populate_entity
+
       # It updates also the signatures with the keys of the author and the parent
       # if the signatures are not there yet and if the keys are available.
       #

lib/diaspora_federation/entities/signed_retraction.rb

@@ -46,6 +46,13 @@ module DiasporaFederation
 
       private
 
+      # @param [Nokogiri::XML::Element] root_node xml nodes
+      # @return [Retraction] instance
+      def self.populate_entity(root_node)
+        super(root_node).to_retraction
+      end
+      private_class_method :populate_entity
+
       # It updates also the signatures with the keys of the author and the parent
       # if the signatures are not there yet and if the keys are available.
       #

spec/lib/diaspora_federation/entities/relayable_retraction_spec.rb

@@ -20,7 +20,7 @@ XML
 
     it_behaves_like "an Entity subclass"
 
-    it_behaves_like "an XML Entity"
+    it_behaves_like "an XML Entity", %i(parent_author_signature target_author_signature)
 
     describe "#to_xml" do
       let(:author_pkey) { OpenSSL::PKey::RSA.generate(1024) }
@@ -95,5 +95,12 @@ XML
         expect(retraction.target_type).to eq(relayable_retraction.target_type)
       end
     end
+
+    context "parse retraction" do
+      it "parses the xml as a retraction" do
+        retraction = Entities::RelayableRetraction.from_xml(Nokogiri::XML::Document.parse(xml).root)
+        expect(retraction).to be_a(Entities::Retraction)
+      end
+    end
   end
 end

spec/lib/diaspora_federation/entities/signed_retraction_spec.rb

@@ -15,7 +15,7 @@ XML
 
     it_behaves_like "an Entity subclass"
 
-    it_behaves_like "an XML Entity"
+    it_behaves_like "an XML Entity", [:target_author_signature]
 
     describe "#to_xml" do
       let(:author_pkey) { OpenSSL::PKey::RSA.generate(1024) }
@@ -63,5 +63,12 @@ XML
         expect(retraction.target_type).to eq(signed_retraction.target_type)
       end
     end
+
+    context "parse retraction" do
+      it "parses the xml as a retraction" do
+        retraction = Entities::SignedRetraction.from_xml(Nokogiri::XML::Document.parse(xml).root)
+        expect(retraction).to be_a(Entities::Retraction)
+      end
+    end
   end
 end