Suraj Deshmukh


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Notes on talk - Advanced testing in golang by Mitchell Hashimoto

This talk has really great takeaways which are worth considering while writing your tests

Suraj Deshmukh

1-Minute Read

Test Fixtures

  • “go test” sets pwd as package directory

Test Helpers

  • should never return an error they should access to the *testing.T object
  • call t.Helper() in the beginning (works only for go1.9+)
  • for things reqiuiring clean up return closures


  • Unconfigurable behavior is often a point of difficulty for tests. e.g. ports, timeouts, paths.
  • Over-parameterize structs to allow tests to fine-tune their behavior
  • It’s ok to make these configs unexported so only tests can set them.



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I am a Senior Software Engineer at Microsoft, working on various tooling around container technology like Docker, Kubernetes, etc.