scheme-libraries/retropikzel/tap/README.md

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Test Anything Protocol output for SRFI-64
[Test Anything Protocol](https://testanything.org/)
## Usage
(import (scheme base)
(srfi 64)
(retropikzel tap))
(test-runner-current (tap-runner))
## Documentation
(**tap-runner**)
Get the TAP test runner.
(**set-tap-runner-output-port!** port)
Set the output port of the test runner. To output to file you can do:
(define tap-file "tap-result.txt")
(when (file-exists? tap-file) (delete-file tap-file))
(set-tap-runner-output-port! (open-output-file tap-file))
### Environment variables
**SCM_TAP_EXIT_FAIL**
If you want the test runner to exit on end with fail (1) if any of the tests
fail, set this environment variable.