Add load test script

integration_test/load_test/ccv-flow.yml

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+config:
+  # This is a test server run by team Artillery
+  # It's designed to be highly scalable
+  target: https://mainnet-ccv.cardanoapi.io
+  phases:
+    - duration: 20
+      arrivalRate: 1
+      rampTo: 5
+      name: Warm up phase
+    - duration: 20
+      arrivalRate: 5
+      rampTo: 10
+      name: Ramp up load
+    - duration: 30
+      arrivalRate: 4
+      rampTo: 30
+      name: Spike phase
+  # Load & configure a couple of useful plugins
+  # https://docs.art/reference/extensions
+  plugins:
+    ensure: {}
+    apdex: {}
+    metrics-by-endpoint: {}
+  apdex:
+    threshold: 100
+  ensure:
+    thresholds:
+      - http.response_time.p99: 500
+      - http.response_time.p95: 400
+  engines:
+    playwright: {}
+  # Path to JavaScript file that defines Playwright test functions
+  processor: './flows.js'
+scenarios:
+  - engine: playwright
+    testFunction:  visitPollFlow
+  - engine: playwright
+    testFunction: 'representativeFlow'

integration_test/load_test/flows.js

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+
+async function representativeFlow(page) {
+  // Navigate to the home page
+  await page.goto('/');
+  await page.waitForLoadState('networkidle')
+  const randomX = Math.floor(Math.random() * 63)+1;
+
+  // Navigate to the generated URL
+  await page.goto(`/representatives/${randomX}`);
+  await page.waitForLoadState('networkidle')
+
+}
+
+async function visitPollFlow(page) {
+  // Navigate to the home page
+  await page.goto('/');
+
+  await page.waitForLoadState('networkidle');
+
+  // List all cards with the data-testid attribute 'poll-card-xxx'
+  const pollCards = await page.$$('[data-testid^="poll-card-"]');  // Select all elements starting with 'poll-card-'
+
+  if (pollCards.length === 0) {
+    console.log("No poll cards found!");
+    return;
+  }
+
+  // Select a random poll card
+  const randomIndex = Math.floor(Math.random() * pollCards.length);
+  const randomPollCard = pollCards[randomIndex];
+
+  // Click on the random card
+  await randomPollCard.click();
+  await page.waitForLoadState('networkidle')
+
+  // You can uncomment the next line if you need to navigate to a specific page after clicking
+  // await page.goto(`/representatives/${randomX}`); 
+}
+
+module.exports = { representativeFlow,visitPollFlow };

integration_test/load_test/package.json

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+{
+  "scripts": {
+    "start": "artillery run --output result.json ccv-flow.yml ; artillery report result.json ",
+    "serve": "python3 -m http.server ",
+    "report": "artillery report result.json"
+  },
+  "dependencies": {
+    "playwright": "^1.49.0"
+  }
+}