Why does Jest –runInBand speed up tests?

Reading your linked page and some other related sources (like this github issue) some users have found that: …using the –runInBand helps in an environment with limited resources. and … –runInBand took our tests from >1.5 hours (actually I don’t know how long because Jenkins timed out at 1.5 hours) to around 4 minutes. (Note: … Read more

Skip some tests with go test

Testing package has SkipNow() and Skip() methods. So, an individual test could be prepended with something like this: func skipCI(t *testing.T) { if os.Getenv(“CI”) != “” { t.Skip(“Skipping testing in CI environment”) } } func TestNewFeature(t *testing.T) { skipCI(t) } You could then set the environment variable or run CI=true go test to set CI … Read more

how to test open graph on localhost

Using a local proxy is the right solution. ngrok didn’t work for me neither. A similar tool that did work with facebook debugger is localtunnel ✅ npm install -g localtunnel lt –port 8000 # or using npx without installing localtunnel npx lt –port 8000 Generates a url that looks something like https://<random_hash>.localtunnel.me/. Using this url … Read more

What is a sanity test/check

A sanity test isn’t limited in any way to the context of programming or software engineering. A sanity test is just a casual term to mean that you’re testing/confirming/validating something that should follow very clear and simple logic. It’s asking someone else to confirm that you are not insane and that what seems to make … Read more

Haskell testing workflow

Getting unit testing, code coverage, and benchmarks right is mostly about picking the right tools. test-framework provides a one-stop shop to run all your HUnit test-cases and QuickCheck properties all from one harness. Code coverage is built into GHC in the form of the HPC tool. Criterion provides some pretty great benchmarking machinery I’ll use … Read more