1 files changed, 14 insertions, 0 deletions
diff --git a/spec/serializers/variable_entity_spec.rb b/spec/serializers/variable_entity_spec.rb
new file mode 100644
index 00000000000..effc0022633
--- /dev/null
+++ b/spec/serializers/variable_entity_spec.rb
@@ -0,0 +1,14 @@
+require 'spec_helper'
+
+describe VariableEntity do
+  let(:variable) { create(:ci_variable) }
+  let(:entity) { described_class.new(variable) }
+
+  describe '#as_json' do
+    subject { entity.as_json }
+
+    it 'contains required fields' do
+      expect(subject).to include(:id, :key, :value, :protected)
+    end
+  end
+end