postman-load-test-collection.json

{
  "info": {
    "_postman_id": "load-test-yclubs-2025",
    "name": "YClubs Load Testing Collection",
    "description": "Load testing collection for YClubs API endpoints focusing on concurrent write operations",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
  },
  "item": [
    {
      "name": "Get Anonymous User ID",
      "event": [
        {
          "listen": "prerequest",
          "script": {
            "exec": [""],
            "type": "text/javascript"
          }
        },
        {
          "listen": "test",
          "script": {
            "exec": [
              "pm.test(\"Status code is 200\", function () {",
              "    pm.response.to.have.status(200);",
              "});",
              "",
              "// Extract and store user ID from response",
              "if (pm.response.code === 200) {",
              "    var jsonData = pm.response.json();",
              "    if (jsonData.userId) {",
              "        pm.environment.set('ab_user_id', jsonData.userId);",
              "    }",
              "    // Also extract from Set-Cookie header if present",
              "    var cookies = pm.response.headers.get('Set-Cookie');",
              "    if (cookies) {",
              "        var match = cookies.match(/ab_user_id=([^;]+)/);",
              "        if (match && match[1]) {",
              "            pm.environment.set('ab_user_id', match[1]);",
              "        }",
              "    }",
              "}"
            ],
            "type": "text/javascript"
          }
        }
      ],
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "body": {
          "mode": "raw",
          "raw": "{\n    \"testName\": \"homepage_layout\"\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        },
        "url": {
          "raw": "{{base_url}}/api/abtest/assign",
          "host": ["{{base_url}}"],
          "path": ["api", "abtest", "assign"]
        },
        "description": "Get or create an anonymous user ID for A/B testing. This sets the ab_user_id cookie automatically. Run this first before testing A/B test endpoints."
      },
      "response": []
    },
    {
      "name": "Follow/Unfollow Club",
      "event": [
        {
          "listen": "test",
          "script": {
            "exec": [
              "pm.test(\"Status code is 200\", function () {",
              "    pm.response.to.have.status(200);",
              "});",
              "",
              "pm.test(\"Response has isFollowing and followers\", function () {",
              "    var jsonData = pm.response.json();",
              "    pm.expect(jsonData).to.have.property('isFollowing');",
              "    pm.expect(jsonData).to.have.property('followers');",
              "});"
            ],
            "type": "text/javascript"
          }
        }
      ],
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          },
          {
            "key": "Cookie",
            "value": "token={{auth_token}}",
            "type": "text"
          }
        ],
        "body": {
          "mode": "raw",
          "raw": "{\n    \"clubId\": \"{{test_club_id}}\",\n    \"isFollowing\": {{follow_action}}\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        },
        "url": {
          "raw": "{{base_url}}/api/follow",
          "host": ["{{base_url}}"],
          "path": ["api", "follow"]
        },
        "description": "Follow or unfollow a club. This endpoint mutates shared state (follower counts) and uses MongoDB transactions, making it ideal for concurrency testing. **REQUIRES AUTHENTICATION** - This endpoint cannot be tested without a valid auth token."
      },
      "response": []
    },
    {
      "name": "Log A/B Test Event",
      "event": [
        {
          "listen": "test",
          "script": {
            "exec": [
              "pm.test(\"Status code is 200\", function () {",
              "    pm.response.to.have.status(200);",
              "});",
              "",
              "pm.test(\"Response indicates success\", function () {",
              "    var jsonData = pm.response.json();",
              "    pm.expect(jsonData).to.have.property('success', true);",
              "});"
            ],
            "type": "text/javascript"
          }
        }
      ],
      "event": [
        {
          "listen": "prerequest",
          "script": {
            "exec": [
              "// If ab_user_id is not set, try to get it from cookies",
              "if (!pm.environment.get('ab_user_id')) {",
              "    // Postman will automatically use cookies from previous requests",
              "    // But we can also set it manually if needed",
              "}"
            ],
            "type": "text/javascript"
          }
        }
      ],
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "body": {
          "mode": "raw",
          "raw": "{\n    \"testName\": \"homepage_layout\",\n    \"eventType\": \"click_follow_button\",\n    \"eventData\": {\n        \"clubId\": \"{{test_club_id}}\",\n        \"timestamp\": {{$timestamp}}\n    }\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        },
        "url": {
          "raw": "{{base_url}}/api/abtest/event",
          "host": ["{{base_url}}"],
          "path": ["api", "abtest", "event"]
        },
        "description": "Log an A/B test event. This is a simpler write operation that can help identify concurrency issues in event logging. **Works without authentication** - uses anonymous user ID from 'Get Anonymous User ID' request. Postman will automatically use cookies from previous requests."
      },
      "response": []
    },
    {
      "name": "Get Club Followers Count",
      "event": [
        {
          "listen": "test",
          "script": {
            "exec": [
              "pm.test(\"Status code is 200\", function () {",
              "    pm.response.to.have.status(200);",
              "});",
              "",
              "// Store followers count for verification",
              "if (pm.response.code === 200) {",
              "    var clubs = pm.response.json();",
              "    var testClub = clubs.find(c => c._id === pm.environment.get('test_club_id'));",
              "    if (testClub) {",
              "        pm.environment.set('last_followers_count', testClub.followers || 0);",
              "    }",
              "}"
            ],
            "type": "text/javascript"
          }
        }
      ],
      "request": {
        "method": "GET",
        "header": [],
        "url": {
          "raw": "{{base_url}}/api/clubs",
          "host": ["{{base_url}}"],
          "path": ["api", "clubs"]
        },
        "description": "Get all clubs to verify follower counts after concurrent operations."
      },
      "response": []
    }
  ],
  "variable": [
    {
      "key": "base_url",
      "value": "http://localhost:3000",
      "type": "string"
    },
    {
      "key": "test_club_id",
      "value": "",
      "type": "string"
    },
    {
      "key": "auth_token",
      "value": "",
      "type": "string"
    },
    {
      "key": "ab_user_id",
      "value": "",
      "type": "string"
    },
    {
      "key": "follow_action",
      "value": "true",
      "type": "string"
    }
  ]
}