Load Testing Framework with k6

Installation (Ubuntu/Linux)

1. Node.js & npm:

curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -
sudo apt-get install -y nodejs

2. k6:

sudo gpg -k
sudo gpg --no-default-keyring --keyring /usr/share/keyrings/k6-archive-keyring.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys C5AD17C747E3415A3642D57D77C6C491D6AC1D69
echo "deb [signed-by=/usr/share/keyrings/k6-archive-keyring.gpg] https://dl.k6.io/deb stable main" | sudo tee /etc/apt/sources.list.d/k6.list
sudo apt-get update
sudo apt-get install k6

3. Project Dependencies:

npm install

Running Tests

# Example smoke test
BASE_URL=https://api.yoursite.com npm run test:smoke

# Full test suite
npm run test:smoke && npm run test:stress && npm run test:soak

Reports

HTML reports auto-generate in reports/ directory after each test run.

Running Tests from Dockerfile

• 1. Build Docker Image

      docker build -t k6-reqres .

• 2. Run Tests Inside Docker:

      sudo docker run -it --rm -v $(pwd)/reports:/app/reports -e BASE_URL=https://reqres.in/api -e TEST_TYPE=smoke k6-reqres run tests/smoke.test.js

Running Tests from Docker Compose

• Specify the test name in the terminal while running tests.

      ./run-test.sh smoke  # For Smoke test
      ./run-test.sh stress # For Stress test
      ./run-test.sh soak   # For Soak test

Adapting to Other Websites

To use this framework with different systems, modify:

1. API Endpoints:

   • Update endpoints in api/*.js files
   • Modify request payloads in test files

2. Environment Config:

   • Update config/global.js with new base URLs
   • Adjust thresholds in config/thresholds.js

3. Test Parameters:

   • Modify virtual users and duration in test files' options
   • Update workflow stages in config/workflowOptions.js

4. Data Generation:

   • Customize mock data templates in utils/dataGeneration.js

5. Assertions:

   • Update response validation checks in test files
   • Modify schema validations in config/constants.js

Maintenance

• Review reports in reports/ directory
• Monitor test thresholds in config/thresholds.js
• Update rate limiting rules in api/rateLimiter.js