#integration-testing

Cross-platform multi-protocol mock server — HTTP, WebSocket, gRPC, GraphQL, TCP, Redis, SMTP, MQTT — with a web UI, scenario system, and fault injection.

Free, open-source AWS emulator. LocalStack alternative: 105 services, 7,379 operations, true 100% Smithy conformance (248,319/248,319 variants pass). No account, no auth token, no paid tier.

PHPUnit and WordPress cross-version compatibility layer for testing plugins and themes build for WordPress

In-process chaos engineering for Go — inject faults at integration boundaries in tests or production

Headless Chrome/Chromium driver for Capybara

Port-free service routing for Go tests and CI: dial services by name with readiness built into the dial, an optional HTTP forward proxy, and a self-healing Kubernetes port-forward backend.

Real Linux VMs as Go test fixtures — Virtualization.framework on macOS, cloud-hypervisor on Linux. Routable IPs, no agents, no port forwarding.

Conex integrates Docker with testing package so you can easily run your integration tests with containers.