1 files changed, 69 insertions, 0 deletions
diff --git a/spec/lib/gitlab/usage/service_ping_report_spec.rb b/spec/lib/gitlab/usage/service_ping_report_spec.rb
new file mode 100644
index 00000000000..9b9b24ad128
--- /dev/null
+++ b/spec/lib/gitlab/usage/service_ping_report_spec.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Usage::ServicePingReport, :use_clean_rails_memory_store_caching do
+  let(:usage_data) { { uuid: "1111" } }
+
+  context 'for output: :all_metrics_values' do
+    it 'generates the service ping' do
+      expect(Gitlab::UsageData).to receive(:data)
+
+      described_class.for(output: :all_metrics_values)
+    end
+  end
+
+  context 'for output: :metrics_queries' do
+    it 'generates the service ping' do
+      expect(Gitlab::UsageDataQueries).to receive(:data)
+
+      described_class.for(output: :metrics_queries)
+    end
+  end
+
+  context 'for output: :non_sql_metrics_values' do
+    it 'generates the service ping' do
+      expect(Gitlab::UsageDataNonSqlMetrics).to receive(:data)
+
+      described_class.for(output: :non_sql_metrics_values)
+    end
+  end
+
+  context 'when using cached' do
+    context 'for cached: true' do
+      let(:new_usage_data) { { uuid: "1112" } }
+
+      it 'caches the values' do
+        allow(Gitlab::UsageData).to receive(:data).and_return(usage_data, new_usage_data)
+
+        expect(described_class.for(output: :all_metrics_values)).to eq(usage_data)
+        expect(described_class.for(output: :all_metrics_values, cached: true)).to eq(usage_data)
+
+        expect(Rails.cache.fetch('usage_data')).to eq(usage_data)
+      end
+
+      it 'writes to cache and returns fresh data' do
+        allow(Gitlab::UsageData).to receive(:data).and_return(usage_data, new_usage_data)
+
+        expect(described_class.for(output: :all_metrics_values)).to eq(usage_data)
+        expect(described_class.for(output: :all_metrics_values)).to eq(new_usage_data)
+        expect(described_class.for(output: :all_metrics_values, cached: true)).to eq(new_usage_data)
+
+        expect(Rails.cache.fetch('usage_data')).to eq(new_usage_data)
+      end
+    end
+
+    context 'when no caching' do
+      let(:new_usage_data) { { uuid: "1112" } }
+
+      it 'returns fresh data' do
+        allow(Gitlab::UsageData).to receive(:data).and_return(usage_data, new_usage_data)
+
+        expect(described_class.for(output: :all_metrics_values)).to eq(usage_data)
+        expect(described_class.for(output: :all_metrics_values)).to eq(new_usage_data)
+
+        expect(Rails.cache.fetch('usage_data')).to eq(new_usage_data)
+      end
+    end
+  end
+end