Add ETag response time comparison for 200 vs 304

- Added custom Trend metrics to measure and compare durations of 200 OK and 304 Not Modified responses - Validates that 304 responses are faster using If-None-Match header - Improved test clarity by focusing on ETag performance under load
eiresendez · Dec 18, 2024 · Dec 12, 2024 · Dec 16, 2024 · Dec 17, 2024 · Dec 17, 2024
commit 4e7afdc75c7501c004da89e3608398d4ad29acc3
diff --git a/tests/k6/etag/performance-test.js b/tests/k6/etag/performance-test.js
@@ -0,0 +1,48 @@
+import http from 'k6/http';
+import { check, sleep, group } from 'k6';
+import { Trend } from 'k6/metrics';
+
+// Custom metrics to track request durations.
+let duration200 = new Trend('duration_200');
+let duration304 = new Trend('duration_304');
+
+export let options = {
+  stages: [
+    { duration: '10s', target: 10 },
+    { duration: '20s', target: 50 },
+    { duration: '10s', target: 0 },
+  ],
+};
+
+export default function () {
+  const baseUrl = 'https://processmaker.test/api/1.0/start_processes?page=1&per_page=15&filter=&order_by=category.name%2Cname&order_direction=asc%2Casc&include=events%2Ccategories&without_event_definitions=true';
+  const token = 'fake-jwt'; // Replace with your actual token
+  const headers = { Authorization: `Bearer ${token}` };
+
+  group('ETag Performance', () => {
+    // Add the duration of the 200 response to the custom metric.
+    let res = http.get(baseUrl, { headers });
+    duration200.add(res.timings.duration);
+    check(res, {
+      'status is 200': (r) => r.status === 200,
+    });
+
+    // Use ETag with If-None-Match header to validate 304 response.
+    const etag = res.headers.Etag;
+    if (etag) {
+      const conditionalHeaders = {
+        ...headers,
+        'If-None-Match': etag,
+      };
+
+      // Add the duration of the 304 response to the custom metric
+      let conditionalRes = http.get(baseUrl, { headers: conditionalHeaders });
+      duration304.add(conditionalRes.timings.duration);
+      check(conditionalRes, {
+        'status is 304': (r) => r.status === 304,
+      });
+    }
+
+    sleep(1);
+  });
+}