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Mock Server Framework for Local Testing

1 post · Sep 2018

What this trail covers

Grab has developed and adopted Mockers, a Go SDK and CLI tool, to enable comprehensive local box testing of microservices. This framework simulates microservice dependencies via mock servers, allowing for functional, resiliency, and contract testing earlier in the development lifecycle. Mockers supports HTTP and gRPC services, automatically generates mock servers from API specifications, and integrates with a chaos SDK for resiliency testing. This has led to earlier bug detection, reduced testing costs, and improved developer productivity.

All Grab trails
  1. Mockers - Overcoming Testing Challenges at GrabThis post introduces Mockers, a new tool for microservice testing at Grab. It details the challenges of testing in a microservice architecture, explains the limitations of conventional staging environments, and presents Mockers as a solution. Key contributions include the design of the Go SDK and CLI tool for generating and managing mock servers, automatic contract verification through API specifications, and integration with a chaos SDK for resiliency testing. The post also addresses common questions about its usage and outlines future plans for mobile app testing.