add parent_works and parent_work_ids

lib/wings/hydra/pcdm/models/concerns/pcdm_valkyrie_behavior.rb

@@ -127,6 +127,22 @@ def method_missing(name, *args, &block)
       def respond_to_missing?(_name, _include_private = false)
         true
       end
+
+      # @param valkyrie [Boolean] Should the returned ids be for Valkyrie or AF objects?
+      # @return [Enumerable<Hydra::Works::Work>] The works this work contains
+      # NOTE: This method avoids using the Hydra::Works version of parent_works because of Issue #361
+      def parent_works(valkyrie: false)
+        af_child = Wings::ActiveFedoraConverter.new(resource: self).convert
+        af_parents = af_child.member_of_works
+        return af_parents unless valkyrie
+        af_parents.map(&:valkyrie_resource)
+      end
+
+      # @param valkyrie [Boolean] Should the returned ids be for Valkyrie or AF objects?
+      # @return [Enumerable<String> | Enumerable<Valkerie::ID] The ids of the file sets this work contains
+      def parent_work_ids(valkyrie: false)
+        parent_works.map(&:id)
+      end
     end
   end
 end

spec/wings/hydra/pcdm/models/concerns/pcdm_valkyrie_behavior_spec.rb

@@ -330,4 +330,70 @@
       expect { resource.a_missing_method }.to raise_error NoMethodError
     end
   end
+
+  describe '#parent_works' do
+    let(:pcdm_object) { work3 }
+    let(:child_work_resource) { resource }
+
+    before do
+      work1.ordered_members = [work3]
+      work2.ordered_members = [work3]
+      work1.save!
+      work2.save!
+    end
+
+    context 'when valkyrie resources requested' do
+      it 'returns parent works as valkyrie resources through pcdm_valkyrie_behavior' do
+        resources = child_work_resource.parent_works(valkyrie: true)
+        expect(resources.map(&:work?)).to all(be true)
+        expect(resources.map(&:id)).to match_valkyrie_ids_with_active_fedora_ids([work1.id, work2.id])
+      end
+    end
+    context 'when active fedora objects requested' do
+      it 'returns parent works as fedora objects through pcdm_valkyrie_behavior' do
+        af_objects = child_work_resource.parent_works(valkyrie: false)
+        expect(af_objects.map(&:work?)).to all(be true)
+        expect(af_objects.map(&:id)).to match_array [work1.id, work2.id]
+      end
+    end
+    context 'when return type is not specified' do
+      it 'returns parent works as fedora objects through pcdm_valkyrie_behavior' do
+        af_objects = child_work_resource.parent_works
+        expect(af_objects.map(&:work?)).to all(be true)
+        expect(af_objects.map(&:id)).to match_array [work1.id, work2.id]
+      end
+    end
+  end
+
+  describe '#parent_work_ids' do
+    let(:pcdm_object) { work3 }
+    let(:child_work_resource) { resource }
+
+    before do
+      work1.ordered_members = [work3]
+      work2.ordered_members = [work3]
+      work1.save!
+      work2.save!
+    end
+
+    context 'when valkyrie resources requested' do
+      it 'returns parent works as valkyrie resources through pcdm_valkyrie_behavior' do
+        pending "TODO: Implementation of this method for valkyrie"
+        resource_ids = child_work_resource.parent_work_ids(valkyrie: true)
+        expect(resource_ids).to match_valkyrie_ids_with_active_fedora_ids([work1.id, work2.id])
+      end
+    end
+    context 'when active fedora objects requested' do
+      it 'returns parent works as fedora objects through pcdm_valkyrie_behavior' do
+        af_object_ids = child_work_resource.parent_work_ids(valkyrie: false)
+        expect(af_object_ids).to match_array [work1.id, work2.id]
+      end
+    end
+    context 'when return type is not specified' do
+      it 'returns parent works as fedora objects through pcdm_valkyrie_behavior' do
+        af_object_ids = child_work_resource.parent_work_ids
+        expect(af_object_ids).to match_array [work1.id, work2.id]
+      end
+    end
+  end
 end

spec/wings/hydra/works/models/concerns/work_valkyrie_behavior_spec.rb

@@ -26,7 +26,7 @@
     work4.save!
     work5.ordered_members << work1
     work5.save!
-    work1.members = [work2, work3, fileset1, fileset2]
+    work1.ordered_members = [work2, work3, fileset1, fileset2]
     work1.save!
   end