1 files changed, 18 insertions, 0 deletions
diff --git a/spec/lib/gitlab/serializer/ci/variables_spec.rb b/spec/lib/gitlab/serializer/ci/variables_spec.rb
new file mode 100644
index 00000000000..b810c68ea03
--- /dev/null
+++ b/spec/lib/gitlab/serializer/ci/variables_spec.rb
@@ -0,0 +1,18 @@
+require 'spec_helper'
+
+describe Gitlab::Serializer::Ci::Variables do
+  subject do
+    described_class.load(described_class.dump(object))
+  end
+
+  let(:object) do
+    [{ key: :key, value: 'value', public: true },
+     { key: 'wee', value: 1, public: false }]
+  end
+
+  it 'converts keys into strings' do
+    is_expected.to eq([
+      { key: 'key', value: 'value', public: true },
+      { key: 'wee', value: 1, public: false }])
+  end
+end