1 files changed, 21 insertions, 0 deletions
diff --git a/spec/lib/gitlab/graphql/copy_field_description_spec.rb b/spec/lib/gitlab/graphql/copy_field_description_spec.rb
new file mode 100644
index 00000000000..e7462c5b954
--- /dev/null
+++ b/spec/lib/gitlab/graphql/copy_field_description_spec.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Graphql::CopyFieldDescription do
+  subject { Class.new.include(described_class) }
+
+  describe '.copy_field_description' do
+    let(:type) do
+      Class.new(Types::BaseObject) do
+        graphql_name "TestType"
+
+        field :field_name, GraphQL::STRING_TYPE, null: true, description: 'Foo'
+      end
+    end
+
+    it 'returns the correct description' do
+      expect(subject.copy_field_description(type, :field_name)).to eq('Foo')
+    end
+  end
+end