Testing
Testing rate limiting requires verifying your application respects API limits, implements correct backoff, handles Retry-After headers, and doesn't cascade failures when throttled. This guide covers unit testing retry logic, integration testing rate limits, and load testing throttle behavior. Why Rate Limiting Testing Matters Almost every external API
Testing
End-to-end checkout testing with Playwright covers the critical path from cart to order confirmation, including payment form interactions, address validation, edge cases like session expiry, and cross-browser compatibility for payment iframes. Why Checkout Needs Dedicated E2E Tests Checkout is the most valuable flow in any e-commerce
Testing
Testing Shopify apps requires dealing with embedded iframes, App Bridge authentication, and the Shopify CLI development environment. This guide covers mocking App Bridge for unit tests, integration testing with the development store, and testing checkout extensions. Shopify App Testing Challenges Shopify apps run in a unique environment that makes testing
Testing
Stripe provides a rich test environment with special test card numbers, a CLI for webhook simulation, and a test mode API. This guide covers unit testing with mocks, integration testing against the Stripe API, and webhook testing with the Stripe CLI. Stripe Testing Overview Stripe's testing infrastructure is
Testing
A robust e-commerce testing strategy layers unit tests for business logic, integration tests for payment and inventory APIs, and end-to-end tests for critical user journeys like checkout. This guide walks through the test pyramid applied to online stores. Why E-commerce Testing Is Different E-commerce applications
Testing
The average checkout abandonment rate is 70%. Most abandonment happens due to performance problems, form friction, unclear error messages, and trust signals. Funnel testing combines performance profiling, UX testing, and A/B testing to find and fix each drop-off point systematically. Understanding Checkout Funnel Metrics Before optimizing, you need
Testing
E-commerce regression testing is the systematic process of verifying that existing functionality still works after every code change. Every release is an opportunity to silently break checkout, inventory management, or payment processing. This guide defines what to test, in what order, and at what frequency. Why E-commerce Regression
Testing
Testing Stripe checkout requires covering more than the happy path. 3D Secure authentication, declined cards, insufficient funds, SCA compliance, and idempotency all need explicit test coverage. This guide covers Stripe's test card catalog, Checkout Session API testing, and full E2E automation with Playwright. Why Checkout Testing Is Harder
Testing
BigCommerce testing spans the Management API (products, orders, customers), the Storefront API (cart, checkout), and the Stencil theme layer. This guide covers each with Python and JavaScript examples, including complete checkout automation. BigCommerce Testing Stack BigCommerce has a different architecture from WooCommerce or Magento: * Management API — REST API for products,
Testing
WooCommerce testing spans three layers: PHP unit tests for plugin logic, REST API tests for order and product management, and end-to-end browser tests for checkout flows. This guide covers all three with practical setup and examples. WooCommerce Testing Overview Testing a WooCommerce store is different from testing a