1 files changed, 41 insertions, 0 deletions
diff --git a/spec/lib/serializers/symbolized_json_spec.rb b/spec/lib/serializers/symbolized_json_spec.rb
new file mode 100644
index 00000000000..b30fb074ddd
--- /dev/null
+++ b/spec/lib/serializers/symbolized_json_spec.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+
+RSpec.describe Serializers::SymbolizedJson do
+  describe '.dump' do
+    let(:obj) { { key: "value" } }
+
+    subject { described_class.dump(obj) }
+
+    it 'returns a hash' do
+      is_expected.to eq(obj)
+    end
+  end
+
+  describe '.load' do
+    let(:data_string) { '{"key":"value","variables":[{"key":"VAR1","value":"VALUE1"}]}' }
+    let(:data_hash) { Gitlab::Json.parse(data_string) }
+
+    context 'when loading a hash' do
+      subject { described_class.load(data_hash) }
+
+      it 'decodes a string' do
+        is_expected.to be_a(Hash)
+      end
+
+      it 'allows to access with symbols' do
+        expect(subject[:key]).to eq('value')
+        expect(subject[:variables].first[:key]).to eq('VAR1')
+      end
+    end
+
+    context 'when loading a nil' do
+      subject { described_class.load(nil) }
+
+      it 'returns nil' do
+        is_expected.to be_nil
+      end
+    end
+  end
+end