1 files changed, 27 insertions, 0 deletions
diff --git a/spec/lib/gitlab/usage/metrics/instrumentations/batched_background_migrations_metric_spec.rb b/spec/lib/gitlab/usage/metrics/instrumentations/batched_background_migrations_metric_spec.rb
new file mode 100644
index 00000000000..f7b15539400
--- /dev/null
+++ b/spec/lib/gitlab/usage/metrics/instrumentations/batched_background_migrations_metric_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Usage::Metrics::Instrumentations::BatchedBackgroundMigrationsMetric, feature_category: :database do
+  let(:expected_value) do
+    [
+      {
+        job_class_name: 'test',
+        elapsed_time: 2.days.to_i
+      }
+    ]
+  end
+
+  let_it_be(:active_migration) { create(:batched_background_migration, :active) }
+  let_it_be(:finished_migration) do
+    create(:batched_background_migration, :finished, job_class_name: 'test', started_at: 5.days.ago,
+      finished_at: 3.days.ago)
+  end
+
+  let_it_be(:old_finished_migration) do
+    create(:batched_background_migration, :finished, job_class_name: 'old_test', started_at: 100.days.ago,
+      finished_at: 99.days.ago)
+  end
+
+  it_behaves_like 'a correct instrumented metric value', { time_frame: '7d' }
+end