Expose FOS facets and filtering in Graphql

app/graphql/types/query_type.rb

@@ -271,6 +271,8 @@ def actor(id:)
     argument :has_views, Int, required: false
     argument :has_downloads, Int, required: false
     argument :field_of_science, String, required: false
+    argument :field_of_science_repository, String, required: false
+    argument :field_of_science_combined, String, required: false
     argument :facet_count, Int, required: false, default_value: 10
     argument :first, Int, required: false, default_value: 25
     argument :after, String, required: false
@@ -1281,6 +1283,8 @@ def response(**args)
       has_views: args[:has_views],
       has_downloads: args[:has_downloads],
       field_of_science: args[:field_of_science],
+      field_of_science_repository: args[:field_of_science_repository],
+      field_of_science_combined: args[:field_of_science_combined],
       facet_count: args[:facet_count],
       pid_entity: args[:pid_entity],
       state: "findable",

spec/graphql/types/work_type_spec.rb

@@ -1270,19 +1270,18 @@
       ).to match_array([])
     end
 
-    # Temporariliy disable these tests until gql/aggregates are enabled
-    # it "returns Field of Science Facets from the repository" do
-    # response = @facet_response
-    # expect(
-    # response.dig("data", "works", "fieldsOfScienceRepository")
-    # ).to match_array([ fos_facet ])
-    # end
-
-    # it "returns combined Field of Science Facets" do
-    # response = @facet_response
-    # expect(
-    # response.dig("data", "works", "fieldsOfScienceCombined")
-    # ).to match_array([ fos_facet ])
-    # end
+    it "returns Field of Science Facets from the repository" do
+      response = @facet_response
+      expect(
+        response.dig("data", "works", "fieldsOfScienceRepository")
+      ).to match_array([ fos_facet ])
+    end
+
+    it "returns combined Field of Science Facets" do
+      response = @facet_response
+      expect(
+        response.dig("data", "works", "fieldsOfScienceCombined")
+      ).to match_array([ fos_facet ])
+    end
   end
 end