[DRE-maint] Bug#891755: ruby-html-pipeline FTBFS with ruby 2.5: test failures

[Adrian Bunk]

Source: ruby-html-pipeline
Version: 1.11.0-1
Severity: serious

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/ruby-html-pipeline.html

...
┌──────────────────────────────────────────────────────────────────────────────┐
│ Run tests for ruby2.5 from debian/ruby-tests.rake                            │
└──────────────────────────────────────────────────────────────────────────────┘

RUBYLIB=/build/1st/ruby-html-pipeline-1.11.0/debian/ruby-html-pipeline/usr/lib/ruby/vendor_ruby:. GEM_PATH=debian/ruby-html-pipeline/usr/share/rubygems-integration/all:/var/lib/gems/2.5.0:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.5.0:/usr/share/rubygems-integration/2.5.0:/usr/share/rubygems-integration/all ruby2.5 -S rake -f debian/ruby-tests.rake
Run options: --seed 62382

# Running:

..............................................................................F.F...........................

Finished in 0.099830s, 1081.8441 runs/s, 1763.0052 assertions/s.

  1) Failure:
HTML::Pipeline::TableOfContentsFilterTest#test_anchors_with_utf8_characters [/build/1st/ruby-html-pipeline-1.11.0/test/html/pipeline/toc_filter_test.rb:112]:
--- expected
+++ actual
@@ -1,3 +1,3 @@
 # encoding: UTF-8
 "<h1>
-<a id=\"\u0420\u0443\u0441\u0441\u043A\u0438\u0439\" class=\"anchor\" href=\"#%D0%A0%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"></span></a>\u0420\u0443\u0441\u0441\u043A\u0438\u0439</h1>"
+<a id=\"\u0440\u0443\u0441\u0441\u043A\u0438\u0439\" class=\"anchor\" href=\"#%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"></span></a>\u0420\u0443\u0441\u0441\u043A\u0438\u0439</h1>"


  2) Failure:
HTML::Pipeline::TableOfContentsFilterTest#test_toc_with_utf8_characters [/build/1st/ruby-html-pipeline-1.11.0/test/html/pipeline/toc_filter_test.rb:124]:
--- expected
+++ actual
@@ -1,5 +1,5 @@
 # encoding: UTF-8
 "<ul class=\"section-nav\">
 <li><a href=\"#%E6%97%A5%E6%9C%AC%E8%AA%9E\">\u65E5\u672C\u8A9E</a></li>
-<li><a href=\"#%D0%A0%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9\">\u0420\u0443\u0441\u0441\u043A\u0438\u0439</a></li>
+<li><a href=\"#%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9\">\u0420\u0443\u0441\u0441\u043A\u0438\u0439</a></li>
 </ul>"


108 runs, 176 assertions, 2 failures, 0 errors, 0 skips
rake aborted!
Command failed with status (1)

Tasks: TOP => default => test
(See full trace by running task with --trace)
ERROR: Test "ruby2.5" failed. Exiting.
dh_auto_install: dh_ruby --install /build/1st/ruby-html-pipeline-1.11.0/debian/ruby-html-pipeline returned exit code 1
make: *** [debian/rules:18: binary] Error 1