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Testing in Production Presentation – SVCC 2018

The following post is essentially a written version of the Testing in production talk I gave at Silicon Valley Code Camp 2018. You can find the presentation deck here at slideshare.


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Testing in Production

“Testing in production” used to be a joke. The implication was that by claiming to test in production, you didn’t really test anywhere, and instead just winged it: deploying to production and hoping that it all worked. Times have changed however, and testing in production is becoming accepted as a best practice.


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Running an individual unit test with maven

Individual tests can be run from maven. This must be done from within the folder that contains the source (as in the folder that contains src/test/java), which will likely be either be the root of your maven project, or in one of your modules.

For surefire (unit tests), this will be something like:

mvn -Dtest=com.your.package.YourTest test

For failsafe (integration tests), it will be something like:

mvn -Dit.test=com.your.package.YourIT verify

This is covered in the maven surefire plugin docs and maven failesafe plugin docs respectively, but those examples don’t mention packages names, which are required.

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