Commit 92e7810

@@ -19,6 +19,7 @@ module Scim
         attr_accessor :required
         attr_accessor :case_exact
         attr_accessor :description
+        attr_accessor :reference_types
         attr_reader :mutability
         attr_reader :returned
         attr_reader :uniqueness
@@ -77,7 +78,8 @@ module Scim
               returned: returned,
               uniqueness: uniqueness
             }
-            x[:caseExact] = case_exact if string?
+            x[:caseExact] = case_exact if string? || reference?
+            x[:referenceTypes] = reference_types if reference?
             x
           end
         end
@@ -91,6 +93,10 @@ module Scim
         def string?
           type.to_sym == :string
         end
+
+        def reference?
+          type.to_sym == :reference
+        end
       end
     end
   end

@@ -84,4 +84,24 @@ RSpec.describe Scim::Kit::V2::Schema do
     specify { expect(result[:attributes][0][:subAttributes][1][:returned]).to eql('default') }
     specify { expect(result[:attributes][0][:subAttributes][1][:uniqueness]).to eql('none') }
   end
+
+  context 'with a reference attribute' do
+    before do
+      subject.add_attribute(name: '$ref', type: 'reference') do |x|
+        x.reference_types = %w[User Group]
+        x.mutability = :read_only
+      end
+    end
+
+    specify { expect(result[:attributes][0][:name]).to eql('$ref') }
+    specify { expect(result[:attributes][0][:type]).to eql('reference') }
+    specify { expect(result[:attributes][0][:referenceTypes]).to match_array(%w[User Group]) }
+    specify { expect(result[:attributes][0][:multiValued]).to be(false) }
+    specify { expect(result[:attributes][0][:description]).to eql('') }
+    specify { expect(result[:attributes][0][:required]).to be(false) }
+    specify { expect(result[:attributes][0][:caseExact]).to be(false) }
+    specify { expect(result[:attributes][0][:mutability]).to eql('readOnly') }
+    specify { expect(result[:attributes][0][:returned]).to eql('default') }
+    specify { expect(result[:attributes][0][:uniqueness]).to eql('none') }
+  end
 end