CLI sometime do nothing

[fisker]

Sometime I run npx ava foo.js, the CLI don't do anything, just pass

>npx ava test/prefer-switch.mjs -u


>npx ava test/prefer-switch.mjs -u


>npx ava test/prefer-switch.mjs -u

/ Invalid #11
         1 | if (foo === 1) {}
         2 | else if (foo === 2) {}
         3 | else if (foo === 3) {}
         4 | else if (foo === 4) {}
         5 | else if (foo === 5) {}
         6 | else if (foo === 6) {}
         7 | else if (foo === 7) {}
         8 | else if (foo === 8) {}
         9 | else if (foo === 9) {}
        10 | else if (foo === 10) {}
        11 | else if (foo === 11) {}
        12 | else if (foo === 12) {}
        13 | else if (foo === 13) {}
        14 | else if (foo === 14) {}
        15 | else if (foo === 15) {}
        16 | else if (foo === 16) {}
        17 | else if (foo === 17) {}
        18 | else if (foo === 18) {}
        19 | else if (foo === 19) {}
        20 | else if (foo === 20) {}
        21 | else if (foo === 21) {}
        22 | else if (foo === 22) {}
        23 | else if (foo === 23) {}
  38 tests passed

Project: https://github.com/sindresorhus/eslint-plugin-unicorn

This happens a lot, I'm not sure how to reproduce, my system is windows 10. Node.js version seems doesn't mater.

[sindresorhus]

Are you sure it's a problem with AVA and not npx?

What AVA version?

[fisker]

Problem is I'm not sure what cause it... And sorry I didn't mention that it's not really doing nothing, it stuck for a while. Current version is 3.15.0, but it happened before.

[fisker]

It also print timeout sometime

>npx ava --verbose


  × Timed out while running tests


  × Timed out while running tests


  × Timed out while running tests


  × Exiting due to SIGINT (Pressed CTRL+C)

  ─

[fisker]

Another problem is it also ONLY run part of tests sometime, and I don't know what skipped. This really bothers me.

[novemberborn]

The multi-line output trips up the mini reporter a bit for me, to the point where I could see how the output may give the impression that nothing happened.

Timeouts and disappearance hint at the machine being stressed too much and IPC messages dropping. Reducing concurrency might help.

AVA 4 defaults to using worker threads, not child processes, which may also help.