Hari Krishnan - Specmatic

Author name: Hari Krishnan

Hari Krishnan is a Polyglot Full Stack Developer, Architecture Consultant, XP Coach and Trainer, with over 18+ years of experience. He has worked across multiple tech stacks and application architectures. His domain exposure includes investment banking, network security, telecommunications, logistics and retail. Apart from building products, he has extensive experience in coaching developers, quality specialists, architects, and technology leaders. He has advised several organizations including unicorn startups and large enterprises on their transformation strategy.

Specmatic Docker Image now available

Feature Spotlight, Updates / By Hari Krishnan

Specmatic is now available as a Docker image! Turn your API specifications into executable contracts in seconds. Your favorite features such as contract tests, intelligent service virtualization, backward compatibility testing and more are all available through Specmatic Docker image. Getting started has never been easier. Get the Docker Image Now: https://hub.docker.com/r/znsio/specmatic Getting started in 5 […]

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JDBC stubbing with Redis and Specmatic contract testing.

Break the Chains of Database Dependencies: Leveraging Specmatic for JDBC Stubbing

Demonstration, Feature Spotlight, Updates / By Hari Krishnan / Contract Driven Development, Contract Testing, JDBC, Stubbing

With Specmatic JDBC stub, you can easily test APIs without the need for a complex database setup. By switching out the real database with a Specmatic JDBC stub, we can set expectations for the stub to respond to specific queries. These expectations can be recorded based on actual interactions. Once the expectations are set, we no longer need the database for our tests!

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Comparison of Specmatic and Spring Cloud Contract.

Comparison: Specmatic vs Spring Cloud Contract

Comparisons, Updates / By Hari Krishnan / Consumer Driven Contract, Contract Driven Development, Contract Testing, Integration Testing, microservices, OpenAPI, Provider Driven Contract, Specmatic, Spring Cloud Contract

With Spring Cloud Contract we can start by authoring the API contract in one of the supported DSLs, based on which the provider / producer is verified and in the process stubs are generated for consumers. This makes it possible to leverage it as both a “consumer driven” or “provider driven” contract testing tool. There are also some interesting points about how we share contracts and stubs (through artifact managers, source control, etc.) with Spring Cloud Contract. Let us look at the detailed comparison between Specmatic and Spring Cloud Contract. Please do leave a comment if there are other areas of comparison on which you would like to see additional details.

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Comparison: Specmatic vs WireMock

Comparisons, Updates / By Hari Krishnan / api mocking, Contract Driven Development, Contract Testing, OpenAPI, Specmatic, wiremock

API mocking is only effective if the mocks are truly representative of the provider / services they are emulating. Deviations between mocks and providers can lead to integration issues much later in the development cycle. In order to avoid such issues it is important to keep in mind that selecting an API mocking tool is not an isolated decision. It has to be in line with your overall microservices development, testing and deployment goals.

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Comparison: Specmatic vs Pact.io and Pactflow.io

Comparisons, Updates / By Hari Krishnan / BDCT, Bi-Directional Contract Testing, CDCT, CDD, Consumer Driven Contract Testing, Contract Driven Development, Contract Testing, Integration Testing, OpenAPI, pact, Pactflow, Specmatic

Specmatic and Contract Driven Development differ significantly from Pact. We built Specmatic out of our own necessity where Pact did not fit the bill for us. We have tried to cover as many areas of comparison as possible, however we would love to hear if you have any other criteria on which you would like to see additional details.

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