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Hossain Khan
Hossain Khan

Posted on • Originally published at Medium on

Travis CI script for your Swagger/OpenAPI Specification

Recently I have been working with swagger in a project. Swagger 2.0 has become open standard and now referred as OpenAPI Specification (OAS).

I also love , so when I saw their API doc was hand written in plain text, I thought it would be good exercise to convert it to OpenAPI Specification format. The result is

Now, recently I’ve started adding Travis Continuous Integration (CI) script for most of my recent projects. So, I wanted to add CI support for this OAS project.

Adding Travis CI build support for OpenAPI specification

Googling for this specific topic didn’t bring much content. I wanted to keep the scrip simple and use existing validator provided by swagger-validator-badge web service (NOTE: There are over dozens of validator in different languages built by the community — see

Here are the key elements used for CI:

* shUnit2 — for writing unit tests in shell script. This is downloaded via Travis build config before the build begins.

* validator-badge — online web-service to validate OpenAPI specification file

I hope somebody finds this useful for their project.

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