1 files changed, 52 insertions, 0 deletions
diff --git a/spec/lib/gitlab/uuid_spec.rb b/spec/lib/gitlab/uuid_spec.rb
new file mode 100644
index 00000000000..a2e28f5a24d
--- /dev/null
+++ b/spec/lib/gitlab/uuid_spec.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::UUID do
+  let_it_be(:name) { "GitLab" }
+
+  describe '.v5' do
+    subject { described_class.v5(name) }
+
+    before do
+      # This is necessary to clear memoization for testing different environments
+      described_class.instance_variable_set(:@default_namespace_id, nil)
+    end
+
+    context 'in development' do
+      let_it_be(:development_proper_uuid) { "5b593e54-90f5-504b-8805-5394a4d14b94" }
+
+      before do
+        allow(Rails).to receive(:env).and_return(:development)
+      end
+
+      it { is_expected.to eq(development_proper_uuid) }
+    end
+
+    context 'in test' do
+      let_it_be(:test_proper_uuid) { "5b593e54-90f5-504b-8805-5394a4d14b94" }
+
+      it { is_expected.to eq(test_proper_uuid) }
+    end
+
+    context 'in staging' do
+      let_it_be(:staging_proper_uuid) { "dd190b37-7754-5c7c-80a0-85621a5823ad" }
+
+      before do
+        allow(Rails).to receive(:env).and_return(:staging)
+      end
+
+      it { is_expected.to eq(staging_proper_uuid) }
+    end
+
+    context 'in production' do
+      let_it_be(:production_proper_uuid) { "4961388b-9d8e-5da0-a499-3ef5da58daf0" }
+
+      before do
+        allow(Rails).to receive(:env).and_return(:production)
+      end
+
+      it { is_expected.to eq(production_proper_uuid) }
+    end
+  end
+end