1 files changed, 20 insertions, 0 deletions
diff --git a/spec/lib/gitlab/usage/metrics/instrumentations/installation_creation_date_metric_spec.rb b/spec/lib/gitlab/usage/metrics/instrumentations/installation_creation_date_metric_spec.rb
new file mode 100644
index 00000000000..ff6be56c13f
--- /dev/null
+++ b/spec/lib/gitlab/usage/metrics/instrumentations/installation_creation_date_metric_spec.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Usage::Metrics::Instrumentations::InstallationCreationDateMetric,
+  feature_category: :service_ping do
+  context 'with a root user' do
+    let_it_be(:root) { create(:user, id: 1) }
+    let_it_be(:expected_value) { root.reload.created_at } # reloading to get the timestamp from the database
+
+    it_behaves_like 'a correct instrumented metric value', { time_frame: 'all', data_source: 'database' }
+  end
+
+  context 'without a root user' do
+    let_it_be(:another_user) { create(:user, id: 2) }
+    let_it_be(:expected_value) { nil }
+
+    it_behaves_like 'a correct instrumented metric value', { time_frame: 'all', data_source: 'database' }
+  end
+end