test failing when ruby is built against libedit instead of readline

[boutil]

Hi,

Recently, Debian started to build the ruby interpreter against libedit instead of readline for license reasons:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977724
One test in highline gem started to fail after this change:

  1) Failure:
TestHighLine#test_readline_mode [/tmp/autopkgtest-lxc.ln2dsy6w/downtmp/build.OjD/src/test/test_highline.rb:391]:
Expected /Prompt:\ \ any\ input\n/ to match "Prompt:  ".

170 runs, 1089 assertions, 1 failures, 0 errors, 3 skips

(see e.g.: https://ci.debian.net/data/autopkgtest/testing/amd64/r/ruby-highline/10349342/log.gz)

This does not seem to have an influence on other packages in Debian depending on this library though.

[abinoam]

Thanks for reporting.
I can't make any promise when I could see this.
I welcome any PR to fix it.

[abinoam]

Perhaps it's time for us to search again for a pure ruby readline implementation.

[kbrock]

irb uses https://github.com/ruby/reline
Would something like that meet the needs?

Sorry I haven't had the chance to test it out not drop it into here.

Per some reline PRs, it looks like in ruby 3.3, readline will be aliases to reline. And there are some possibly issues with configuration (at the current time).

So moving across and ensuring compatibility before the switch may be a good thing.
Or the problem may just go away.