Do the same generalization for Relayable for validators taking

into account that "author_signature" and "parent_author_signature"
are allowed to be empty, actually.

lib/diaspora_federation/validators.rb

@@ -34,6 +34,7 @@ module DiasporaFederation
   end
 end
 
+require "diaspora_federation/validators/relayable_validator"
 require "diaspora_federation/validators/h_card_validator"
 require "diaspora_federation/validators/person_validator"
 require "diaspora_federation/validators/profile_validator"

lib/diaspora_federation/validators/comment_validator.rb

@@ -5,11 +5,7 @@ module DiasporaFederation
 
       rule :guid, :guid
 
-      rule :parent_guid, :guid
-
-      rule :parent_author_signature, :not_empty
-
-      rule :author_signature, :not_empty
+      include RelayableValidator
 
       rule :text, [:not_empty,
                    length: {maximum: 65_535}]

lib/diaspora_federation/validators/like_validator.rb

@@ -5,11 +5,7 @@ module DiasporaFederation
 
       rule :guid, :guid
 
-      rule :parent_guid, :guid
-
-      rule :parent_author_signature, :not_empty
-
-      rule :author_signature, :not_empty
+      include RelayableValidator
 
       rule :diaspora_id, %i(not_empty diaspora_id)
     end

lib/diaspora_federation/validators/message_validator.rb

@@ -5,11 +5,7 @@ module DiasporaFederation
 
       rule :guid, :guid
 
-      rule :parent_guid, :guid
-
-      rule :parent_author_signature, :not_empty
-
-      rule :author_signature, :not_empty
+      include RelayableValidator
 
       rule :diaspora_id, %i(not_empty diaspora_id)
 

lib/diaspora_federation/validators/participation_validator.rb

@@ -7,11 +7,7 @@ module DiasporaFederation
 
       rule :target_type, :not_empty
 
-      rule :parent_guid, :guid
-
-      rule :parent_author_signature, :not_empty
-
-      rule :author_signature, :not_empty
+      include RelayableValidator
 
       rule :diaspora_id, %i(not_empty diaspora_id)
     end

lib/diaspora_federation/validators/poll_participation_validator.rb

@@ -5,9 +5,7 @@ module DiasporaFederation
 
       rule :guid, :guid
 
-      rule :parent_guid, :guid
-
-      rule :parent_author_signature, :not_empty
+      include RelayableValidator
 
       rule :diaspora_id, %i(not_empty diaspora_id)
 

lib/diaspora_federation/validators/relayable_validator.rb

@@ -0,0 +1,11 @@
+module DiasporaFederation
+  module Validators
+    module RelayableValidator
+      def self.included(model)
+        model.class_eval do
+          rule :parent_guid, :guid
+        end
+      end
+    end
+  end
+end

spec/lib/diaspora_federation/validators/comment_validator_spec.rb

@@ -4,22 +4,16 @@ module DiasporaFederation
 
     it_behaves_like "a common validator"
 
+    it_behaves_like "a relayable validator"
+
     it_behaves_like "a diaspora id validator" do
       let(:property) { :diaspora_id }
       let(:mandatory) { true }
     end
 
-    %i(guid parent_guid).each do |prop|
+    describe "#guid" do
       it_behaves_like "a guid validator" do
-        let(:property) { prop }
-      end
-    end
-
-    %i(author_signature parent_author_signature).each do |prop|
-      describe "##{prop}" do
-        it_behaves_like "a property that mustn't be empty" do
-          let(:property) { prop }
-        end
+        let(:property) { :guid }
       end
     end
 

spec/lib/diaspora_federation/validators/like_validator_spec.rb

@@ -3,17 +3,11 @@ module DiasporaFederation
     let(:entity) { :like_entity }
     it_behaves_like "a common validator"
 
-    %i(guid parent_guid).each do |prop|
-      it_behaves_like "a guid validator" do
-        let(:property) { prop }
-      end
-    end
+    it_behaves_like "a relayable validator"
 
-    %i(author_signature parent_author_signature).each do |prop|
-      describe "##{prop}" do
-        it_behaves_like "a property that mustn't be empty" do
-          let(:property) { prop }
-        end
+    describe "#guid" do
+      it_behaves_like "a guid validator" do
+        let(:property) { :guid }
       end
     end
 

spec/lib/diaspora_federation/validators/message_validator_spec.rb

@@ -3,25 +3,19 @@ module DiasporaFederation
     let(:entity) { :message_entity }
     it_behaves_like "a common validator"
 
+    it_behaves_like "a relayable validator"
+
     it_behaves_like "a diaspora id validator" do
       let(:property) { :diaspora_id }
       let(:mandatory) { true }
     end
 
-    %i(guid parent_guid conversation_guid).each do |prop|
+    %i(guid conversation_guid).each do |prop|
       describe "##{prop}" do
         it_behaves_like "a guid validator" do
           let(:property) { prop }
         end
       end
     end
-
-    %i(author_signature parent_author_signature).each do |prop|
-      describe "##{prop}" do
-        it_behaves_like "a property that mustn't be empty" do
-          let(:property) { prop }
-        end
-      end
-    end
   end
 end

spec/lib/diaspora_federation/validators/participation_validator_spec.rb

@@ -4,24 +4,22 @@ module DiasporaFederation
 
     it_behaves_like "a common validator"
 
+    it_behaves_like "a relayable validator"
+
     it_behaves_like "a diaspora id validator" do
       let(:property) { :diaspora_id }
       let(:mandatory) { true }
     end
 
-    %i(guid parent_guid).each do |prop|
-      describe "##{prop}" do
+    describe "#guid" do
       it_behaves_like "a guid validator" do
-          let(:property) { prop }
-        end
+        let(:property) { :guid }
       end
     end
 
-    %i(target_type author_signature parent_author_signature).each do |prop|
-      describe "##{prop}" do
+    describe "#target_type" do
       it_behaves_like "a property that mustn't be empty" do
-          let(:property) { prop }
-        end
+        let(:property) { :target_type }
       end
     end
   end

spec/lib/diaspora_federation/validators/poll_participation_validator_spec.rb

@@ -4,23 +4,19 @@ module DiasporaFederation
 
     it_behaves_like "a common validator"
 
+    it_behaves_like "a relayable validator"
+
     it_behaves_like "a diaspora id validator" do
       let(:property) { :diaspora_id }
       let(:mandatory) { true }
     end
 
-    %i(guid parent_guid poll_answer_guid).each do |prop|
+    %i(guid poll_answer_guid).each do |prop|
       describe "##{prop}" do
         it_behaves_like "a guid validator" do
           let(:property) { prop }
         end
       end
     end
-
-    describe "#parent_author_signature" do
-      it_behaves_like "a property that mustn't be empty" do
-        let(:property) { :parent_author_signature }
-      end
-    end
   end
 end

spec/support/shared_validator_specs.rb

@@ -16,6 +16,14 @@ shared_examples "a common validator" do
   end
 end
 
+shared_examples "a relayable validator" do
+  describe "#parent_guid" do
+    it_behaves_like "a guid validator" do
+      let(:property) { :parent_guid }
+    end
+  end
+end
+
 shared_examples "a property with a value validation/restriction" do
   it "fails if a wrong value is supplied" do
     wrong_values.each do |val|