Performance test types (load, stress, spike, soak) in Testing Fundamentals - Framework Patterns

Framework Mode - Performance test types (load, stress, spike, soak)

Folder Structure for Performance Testing Framework

performance-testing-project/
├── tests/
│   ├── load_tests/
│   │   └── load_test_scenario_1.js
│   ├── stress_tests/
│   │   └── stress_test_scenario_1.js
│   ├── spike_tests/
│   │   └── spike_test_scenario_1.js
│   └── soak_tests/
│       └── soak_test_scenario_1.js
├── scripts/
│   └── setup_environment.sh
├── reports/
│   └── latest_report.html
├── config/
│   ├── environments.json
│   └── test_config.json
├── utils/
│   ├── data_generators.js
│   └── metrics_collector.js
└── README.md

Test Framework Layers

• Test Scripts Layer: Contains test scripts for each performance test type (load, stress, spike, soak). Each script defines the test scenario and expected behavior.
• Utilities Layer: Helper functions for generating test data, collecting and processing performance metrics, and logging.
• Configuration Layer: Holds environment settings, test parameters like user load, duration, and thresholds for pass/fail criteria.
• Reporting Layer: Generates human-readable reports and dashboards from raw test results.
• Setup/Environment Layer: Scripts or tools to prepare the test environment, such as starting/stopping servers or clearing caches.

Configuration Patterns

• Environment Configurations: Use JSON or YAML files to define different environments (dev, staging, production) with URLs, credentials, and resource limits.
• Test Parameters: Define user load, ramp-up time, test duration, and thresholds in separate config files to easily adjust test intensity without code changes.
• Credentials Management: Store sensitive data securely using environment variables or encrypted files, never hard-coded in scripts.
• Browser/Client Settings: If applicable, configure client simulation parameters like browser type or network speed in config files.

Test Reporting and CI/CD Integration

• Automated Reports: Generate HTML or JSON reports summarizing key metrics like response time, error rates, throughput, and resource usage.
• Dashboard Integration: Push results to dashboards (e.g., Grafana) for real-time monitoring and historical comparison.
• CI/CD Integration: Integrate performance tests into pipelines (Jenkins, GitHub Actions) to run tests on code changes or scheduled intervals.
• Alerts: Configure alerts for threshold breaches to notify teams immediately.

Framework Design Best Practices

1. Separate Test Types: Organize tests by type (load, stress, spike, soak) for clarity and easier maintenance.
2. Parameterize Tests: Use configuration files to control test parameters, enabling flexible test runs without code edits.
3. Use Realistic Scenarios: Model user behavior and system usage patterns closely to get meaningful results.
4. Automate Reporting: Always generate clear, actionable reports to quickly understand test outcomes.
5. Integrate with CI/CD: Run performance tests regularly to catch regressions early and ensure system reliability.

Self-Check Question

Where in this folder structure would you add a new test script for a spike test scenario?

Key Result

Organize performance tests by type with clear layers for tests, utilities, config, and reporting to enable flexible, maintainable, and automated performance testing.