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Pact
Pact contract testing solves one of the hardest problems in microservices: how do you know that your services will work together without running a full integration test suite? This guide covers Pact from the ground up — what it is, how consumer-driven contracts work, and how to integrate Pact into
Azure DevOps
Azure DevOps testing gives QA teams a unified platform to manage test plans, run automated pipelines, and track quality metrics — all in one place. Whether you're migrating from another CI/CD tool or building a new testing strategy, this guide covers everything you need to know. What Is
Pact
Consumer-driven contract testing with Pact is well-documented at the basics level: consumer writes expectations, provider verifies them. But real multi-team microservices environments hit edge cases that basic tutorials don't cover. This guide focuses on the advanced patterns: provider states, message contracts, Pact Broker integration, and
Azure DevOps
Azure DevOps Selenium integration lets you run browser-based tests automatically on every commit. This tutorial covers everything from initial setup to running Selenium tests reliably in Azure Pipelines, including headless execution, result publishing, and common failure modes. Prerequisites Before integrating Selenium with Azure DevOps, you need: * An Azure DevOps
Testing
Consumer-driven contract testing solves one of the trickiest problems in distributed systems: how do you know that changes to a provider API won't silently break every consumer that depends on it? Schema validation tells you the shape of a response. Contract testing tells you whether the response
Testing
Azure Cosmos DB is a globally distributed, multi-model database with unique behavior around partition keys, request units (RU/s), consistency levels, and the change feed. Testing these behaviors requires both local emulation and integration tests against the real service. This guide covers both. The Cosmos DB Emulator Microsoft provides
Testing
Azure Container Apps (ACA) is Microsoft's serverless container platform built on Kubernetes and KEDA. It handles scaling, load balancing, and traffic management for you. Testing ACA deployments requires verifying not just that your container runs, but that scaling behaves correctly, revision traffic splitting works, health probes pass, and
Testing
Generating a Pact contract locally is a useful proof of concept. But contracts only deliver their value when they're shared automatically between teams, versioned alongside code, and verified on every pull request. That's what the Pact Broker is for. This post covers running a Pact Broker,
Testing
Azure API Management (APIM) sits in front of your backend APIs and handles cross-cutting concerns: authentication, rate limiting, request/response transformation, caching, and routing. Policies are XML rules that execute on every request, and bugs in them break all your APIs simultaneously. Testing APIM policies requires running them locally
Testing
The Pact Broker is the hub of your contract testing workflow. Consumers publish pacts to it. Providers fetch pacts from it, run verification, and publish results back. The broker tracks which consumer/provider version pairs are compatible and answers the critical question: "can this version be safely deployed?"
Accessibility Testing
axe-core is the open source accessibility testing engine behind most automated a11y tooling: axe DevTools browser extension, @axe-core/playwright, jest-axe, and commercial tools like Deque's axe DevTools Pro. Understanding how axe works — and how to configure it — determines whether your automated accessibility testing is actually
Testing
Pa11y is a command-line accessibility testing tool built on top of HTML CodeSniffer. It's lighter than full browser automation frameworks, integrates naturally with any CI/CD pipeline, and supports running accessibility checks against URLs without requiring a test framework. This guide covers installation, configuration, CI integration, and