Add ramping arrival rate tests

scripts/iterationRate/rampingArrivalRate/fastRampingArrivalRate.js

@@ -0,0 +1,46 @@
+import http from 'k6/http';
+import { group, sleep } from 'k6';
+
+const BASE_URL = `http://${__ENV.HOST || 'localhost'}:8080/tools.descartes.teastore.webui`;
+
+const groupResponseTimes = {};
+
+export const options = {
+    discardResponseBodies: true,
+    scenarios: {
+        fastRampingArrivalRate: {
+            executor: 'ramping-arrival-rate',
+
+            // Start `startRate` iterations per second
+            timeUnit: '1s',
+
+            // Pre-allocate necessary VUs.
+            preAllocatedVUs: 100,
+
+            stages: [
+
+                { target: 20, duration: '10s' },
+
+                { target: 50, duration: '10s' },
+
+                { target: 100, duration: '30s' },
+
+                { target: 200, duration: '60s' },
+
+                { target: 50, duration: '30s' },
+            ],
+        },
+    },
+};
+
+export default function () {
+    group('Black Tea Category Browse', () => {
+        const start = new Date();
+        http.get(`${BASE_URL}/category?category=2&page=1`);
+        const end = new Date();
+        const duration = end - start;
+        groupResponseTimes['Black Tea Category Browse'] = (groupResponseTimes['Black Tea Category Browse'] || 0) + duration;
+        // Sleep time is 1000ms. Total iteration time is sleep + time to finish request.
+        sleep(1);
+    });
+}

scripts/iterationRate/rampingArrivalRate/rampingExample.js

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+import http from 'k6/http';
+
+export const options = {
+  discardResponseBodies: true,
+
+  scenarios: {
+    contacts: {
+      executor: 'ramping-arrival-rate',
+
+      // Start iterations per `timeUnit`
+      startRate: 300,
+
+      // Start `startRate` iterations per minute
+      timeUnit: '1m',
+
+      // Pre-allocate necessary VUs.
+      preAllocatedVUs: 50,
+
+      stages: [
+        // Start 300 iterations per `timeUnit` for the first minute.
+        { target: 300, duration: '1m' },
+
+        // Linearly ramp-up to starting 600 iterations per `timeUnit` over the following two minutes.
+        { target: 600, duration: '2m' },
+
+        // Continue starting 600 iterations per `timeUnit` for the following four minutes.
+        { target: 600, duration: '4m' },
+
+        // Linearly ramp-down to starting 60 iterations per `timeUnit` over the last two minutes.
+        { target: 60, duration: '2m' },
+      ],
+    },
+  },
+};
+
+export default function () {
+  http.get('https://test.k6.io/contacts.php');
+}

scripts/iterationRate/rampingArrivalRate/slowerRampingArrivalRate.js

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+import http from 'k6/http';
+import { group, sleep } from 'k6';
+
+const BASE_URL = `http://${__ENV.HOST || 'localhost'}:8080/tools.descartes.teastore.webui`;
+
+const groupResponseTimes = {};
+
+export const options = {
+    discardResponseBodies: true,
+    scenarios: {
+        fastRampingArrivalRate: {
+            executor: 'ramping-arrival-rate',
+
+            // Start `startRate` iterations per second
+            timeUnit: '1m',
+
+            // Pre-allocate necessary VUs.
+            preAllocatedVUs: 100,
+
+            stages: [
+
+                { target: 20, duration: '1min' },
+
+                { target: 50, duration: '1min' },
+
+                { target: 100, duration: '1min' },
+
+                { target: 200, duration: '2min' },
+
+                { target: 50, duration: '2min' },
+
+                { target: 50, duration: '30s' },
+            ],
+        },
+    },
+};
+
+export default function () {
+    group('Black Tea Category Browse', () => {
+        const start = new Date();
+        http.get(`${BASE_URL}/category?category=2&page=1`);
+        const end = new Date();
+        const duration = end - start;
+        groupResponseTimes['Black Tea Category Browse'] = (groupResponseTimes['Black Tea Category Browse'] || 0) + duration;
+        // Sleep time is 1000ms. Total iteration time is sleep + time to finish request.
+        sleep(1);
+    });
+}