Improved code coverage for GraphQL resolvers specs

lib/graph_ql/root_element_resolver.rb

@@ -7,11 +7,18 @@ module GraphQL
     end
 
     def call(object, arguments, context)
-      if target_model.respond_to?(:public_for_api)
-        target_model.public_for_api.find_by(id: arguments["id"])
-      else
-        target_model.find_by(id: arguments["id"])
-      end
+      public_elements.find_by(id: arguments['id'])
     end
+
+    private
+
+      def public_elements
+        if target_model.respond_to?(:public_for_api)
+          target_model.public_for_api
+        else
+          target_model
+        end
+      end
+
   end
 end

spec/lib/graph_ql/root_collection_resolver_spec.rb

@@ -1,19 +1,20 @@
 require 'rails_helper'
 
 describe GraphQL::RootCollectionResolver do
+  let(:geozones_resolver) { GraphQL::RootCollectionResolver.new(Geozone) }
   let(:comments_resolver) { GraphQL::RootCollectionResolver.new(Comment) }
 
   describe '#call' do
-    it 'resolves collections' do
-      comment_1 = create(:comment)
-      comment_2 = create(:comment)
+    it 'returns the whole colleciton for unscoped models' do
+      geozone_1 = create(:geozone)
+      geozone_2 = create(:geozone)
 
-      result = comments_resolver.call(nil, nil, nil)
+      result = geozones_resolver.call(nil, nil, nil)
 
-      expect(result).to match_array([comment_1, comment_2])
+      expect(result).to match_array([geozone_1, geozone_2])
     end
 
-    it 'blocks collection forbidden elements' do
+    it 'blocks forbidden elements for scoped models' do
       proposal = create(:proposal, :hidden)
       comment_1 = create(:comment)
       comment_2 = create(:comment, commentable: proposal)

spec/lib/graph_ql/root_element_resolver_spec.rb

@@ -2,13 +2,14 @@ require 'rails_helper'
 
 describe GraphQL::RootElementResolver do
   let(:comment_resolver) { GraphQL::RootElementResolver.new(Comment) }
+  let(:geozone_resolver) { GraphQL::RootElementResolver.new(Geozone) }
 
   describe '#call' do
+
     it 'resolves simple elements' do
       comment = create(:comment)
-      arguments = { 'id' => comment.id }
 
-      result = comment_resolver.call(nil, arguments, nil)
+      result = comment_resolver.call(nil, {'id' => comment.id}, nil)
 
       expect(result).to eq(comment)
     end
@@ -16,20 +17,28 @@ describe GraphQL::RootElementResolver do
     it 'returns nil when requested element is forbidden' do
       proposal = create(:proposal, :hidden)
       comment = create(:comment, commentable: proposal)
-      arguments = { 'id' => comment.id }
 
-      result = comment_resolver.call(nil, arguments, nil)
+      result = comment_resolver.call(nil, {'id' => comment.id}, nil)
 
       expect(result).to be_nil
     end
 
     it 'returns nil when requested element does not exist' do
-      arguments = { 'id' => 1 }
-
-      result = comment_resolver.call(nil, arguments, nil)
+      result = comment_resolver.call(nil, {'id' => 1}, nil)
 
       expect(result).to be_nil
     end
+
+    it 'uses the public_for_api scope when available' do
+      geozone = create(:geozone)
+      comment = create(:comment, commentable: create(:proposal, :hidden))
+
+      geozone_result = geozone_resolver.call(nil, {'id' => geozone.id}, nil)
+      comment_result = comment_resolver.call(nil, {'id' => comment.id}, nil)
+
+      expect(geozone_result).to eq(geozone)
+      expect(comment_result).to be_nil
+    end
   end
 
 end