[DRE-maint] Bug#996210: ruby-css-parser: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed.

[Antonio Terceiro]

Source: ruby-css-parser
Version: 1.6.0-1
Severity: serious
Justification: FTBFS
Tags: bookworm sid ftbfs
User: debian-ruby at lists.debian.org
Usertags: ruby3.0

Hi,

We are about to enable building against ruby3.0 on unstable. During a test
rebuild, ruby-css-parser was found to fail to build in that situation.

To reproduce this locally, you need to install ruby-all-dev from experimental
on an unstable system or build chroot.

Relevant part (hopefully):
> /usr/bin/ruby3.0 /usr/bin/gem2deb-test-runner
> 
> ┌──────────────────────────────────────────────────────────────────────────────┐
> │ Checking Rubygems dependency resolution on ruby3.0                           │
> └──────────────────────────────────────────────────────────────────────────────┘
> 
> GEM_PATH=/<<PKGBUILDDIR>>/debian/ruby-css-parser/usr/share/rubygems-integration/all:/var/lib/gems/3.0.0:/usr/local/lib/ruby/gems/3.0.0:/usr/lib/ruby/gems/3.0.0:/usr/lib/x86_64-linux-gnu/ruby/gems/3.0.0:/usr/share/rubygems-integration/3.0.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/3.0.0 ruby3.0 -e gem\ \"css_parser\"
> 
> ┌──────────────────────────────────────────────────────────────────────────────┐
> │ Run tests for ruby3.0 from debian/ruby-tests.rake                            │
> └──────────────────────────────────────────────────────────────────────────────┘
> 
> RUBYLIB=/<<PKGBUILDDIR>>/debian/ruby-css-parser/usr/lib/ruby/vendor_ruby:. GEM_PATH=/<<PKGBUILDDIR>>/debian/ruby-css-parser/usr/share/rubygems-integration/all:/var/lib/gems/3.0.0:/usr/local/lib/ruby/gems/3.0.0:/usr/lib/ruby/gems/3.0.0:/usr/lib/x86_64-linux-gnu/ruby/gems/3.0.0:/usr/share/rubygems-integration/3.0.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/3.0.0 ruby3.0 -S rake -f debian/ruby-tests.rake
> /usr/bin/ruby3.0 -w -I"test" /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb "test/test_css_parser_basic.rb" "test/test_css_parser_loading.rb" "test/test_css_parser_media_types.rb" "test/test_css_parser_misc.rb" "test/test_css_parser_offset_capture.rb" "test/test_css_parser_regexps.rb" "test/test_helper.rb" "test/test_merging.rb" "test/test_rule_set.rb" "test/test_rule_set_creating_shorthand.rb" "test/test_rule_set_expanding_shorthand.rb" -v
> 
> File does not exist: webrick
> 
> rake aborted!
> Command failed with status (1): [ruby -w -I"test" /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb "test/test_css_parser_basic.rb" "test/test_css_parser_loading.rb" "test/test_css_parser_media_types.rb" "test/test_css_parser_misc.rb" "test/test_css_parser_offset_capture.rb" "test/test_css_parser_regexps.rb" "test/test_helper.rb" "test/test_merging.rb" "test/test_rule_set.rb" "test/test_rule_set_creating_shorthand.rb" "test/test_rule_set_expanding_shorthand.rb" -v]
> 
> Tasks: TOP => default
> (See full trace by running task with --trace)
> ERROR: Test "ruby3.0" failed.

Note that webrick has been removed from the standard library. It's
already been packaged and is currently in NEW, but this package now
needs an explicit dependency on it.

The full build log is available at
https://people.debian.org/~kanashiro/ruby3.0/round2/builds/3/ruby-css-parser/ruby-css-parser_1.6.0-1+rebuild1633377318_amd64.build.txt
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