[Pkg-javascript-devel] Bug#939461: node-supports-color breaks node-mocha autopkgtest: AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value

[Paul Gevers]

Source: node-supports-color, node-mocha
Control: found -1 node-supports-color/6.1.0-2
Control: found -1 node-mocha/4.1.0+ds3-5
Severity: serious
Tags: sid bullseye
X-Debbugs-CC: debian-ci at lists.debian.org
User: debian-ci at lists.debian.org
Usertags: breaks needs-update

Dear maintainers,

With a recent upload of node-supports-color the autopkgtest of
node-mocha fails in testing when that autopkgtest is run with the binary
packages of node-supports-color from unstable. It passes when run with
only packages from testing. In tabular form:
                       pass            fail
node-supports-color    from testing    6.1.0-2
node-mocha             from testing    4.1.0+ds3-5
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of
node-supports-color to testing [1]. Due to the nature of this issue, I
filed this bug report against both packages. Can you please investigate
the situation and reassign the bug to the right package?

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=node-supports-color

https://ci.debian.net/data/autopkgtest/testing/amd64/n/node-mocha/2890049/log.gz

  1 failing

  1) Mocha
       should not output colors to pipe:

      Uncaught AssertionError [ERR_ASSERTION]: The expression
evaluated to a falsy value:

  assert(stdout.indexOf('[90m') === -1)

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