1 files changed, 54 insertions, 0 deletions
diff --git a/qa/spec/tools/ci/test_metrics_spec.rb b/qa/spec/tools/ci/test_metrics_spec.rb
new file mode 100644
index 00000000000..4c1c4092d15
--- /dev/null
+++ b/qa/spec/tools/ci/test_metrics_spec.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+RSpec.describe QA::Tools::Ci::TestMetrics do
+  include QA::Support::Helpers::StubEnv
+
+  let(:influx_client) { instance_double("InfluxDB2::Client", create_write_api: influx_write_api) }
+  let(:influx_write_api) { instance_double("InfluxDB2::WriteApi", write: nil) }
+  let(:logger) { instance_double("Logger", info: true, warn: true) }
+
+  let(:glob) { "metrics_glob/*.json" }
+  let(:paths) { ["/metrics_glob/metrics.json"] }
+  let(:timestamp) { "2022-11-11 07:54:11 +0000" }
+  let(:metrics_json) { metrics_data.to_json }
+
+  let(:metrics_data) do
+    [
+      {
+        time: timestamp.to_time,
+        name: "name",
+        tags: {},
+        fields: {}
+      }
+    ]
+  end
+
+  before do
+    allow(InfluxDB2::Client).to receive(:new) { influx_client }
+    allow(Gitlab::QA::TestLogger).to receive(:logger) { logger }
+    allow(Dir).to receive(:glob).with(glob) { paths }
+    allow(File).to receive(:read).with(paths.first) { metrics_json }
+
+    stub_env('QA_INFLUXDB_URL', "test")
+    stub_env('QA_INFLUXDB_TOKEN', "test")
+  end
+
+  context "with metrics files present" do
+    it "exports saved metrics to influxdb" do
+      described_class.export(glob)
+
+      expect(influx_write_api).to have_received(:write).with(data: metrics_data, bucket: "e2e-test-stats-main")
+    end
+  end
+
+  context "without metrics files present" do
+    let(:paths) { [] }
+
+    it "exits without error" do
+      described_class.export(glob)
+
+      expect(influx_write_api).not_to have_received(:write)
+      expect(logger).to have_received(:warn).with("No files matched pattern '#{glob}'")
+    end
+  end
+end