1 files changed, 23 insertions, 0 deletions
diff --git a/spec/lib/gitlab/usage/metrics/instrumentations/redis_metric_spec.rb b/spec/lib/gitlab/usage/metrics/instrumentations/redis_metric_spec.rb
new file mode 100644
index 00000000000..fb3bd1ba834
--- /dev/null
+++ b/spec/lib/gitlab/usage/metrics/instrumentations/redis_metric_spec.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Usage::Metrics::Instrumentations::RedisMetric, :clean_gitlab_redis_shared_state do
+  before do
+    4.times do
+      Gitlab::UsageDataCounters::SourceCodeCounter.count(:pushes)
+    end
+  end
+
+  let(:expected_value) { 4 }
+
+  it_behaves_like 'a correct instrumented metric value', { options: { event: 'pushes', counter_class: 'SourceCodeCounter' } }
+
+  it 'raises an exception if event option is not present' do
+    expect { described_class.new(counter_class: 'SourceCodeCounter') }.to raise_error(ArgumentError)
+  end
+
+  it 'raises an exception if counter_class option is not present' do
+    expect { described_class.new(event: 'pushes') }.to raise_error(ArgumentError)
+  end
+end