1 files changed, 28 insertions, 0 deletions
diff --git a/spec/lib/gitlab/usage/metrics/instrumentations/redis_hll_metric_spec.rb b/spec/lib/gitlab/usage/metrics/instrumentations/redis_hll_metric_spec.rb
new file mode 100644
index 00000000000..347a2c779cb
--- /dev/null
+++ b/spec/lib/gitlab/usage/metrics/instrumentations/redis_hll_metric_spec.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Usage::Metrics::Instrumentations::RedisHLLMetric, :clean_gitlab_redis_shared_state do
+  before do
+    Gitlab::UsageDataCounters::HLLRedisCounter.track_event(:i_quickactions_approve, values: 1, time: 1.week.ago)
+    Gitlab::UsageDataCounters::HLLRedisCounter.track_event(:i_quickactions_approve, values: 1, time: 2.weeks.ago)
+    Gitlab::UsageDataCounters::HLLRedisCounter.track_event(:i_quickactions_approve, values: 2, time: 2.weeks.ago)
+    Gitlab::UsageDataCounters::HLLRedisCounter.track_event(:i_quickactions_approve, values: 2, time: 2.months.ago)
+  end
+
+  context 'for 28d' do
+    let(:expected_value) { 2 }
+
+    it_behaves_like 'a correct instrumented metric value', { time_frame: '28d', options: { events: ['i_quickactions_approve'] } }
+  end
+
+  context 'for 7d' do
+    let(:expected_value) { 1 }
+
+    it_behaves_like 'a correct instrumented metric value', { time_frame: '7d', options: { events: ['i_quickactions_approve'] } }
+  end
+
+  it 'raise exception if events options is not present' do
+    expect { described_class.new(time_frame: '28d') }.to raise_error(ArgumentError)
+  end
+end