[Bug 1955134] [NEW] test_markdown fails rendering with pygments > 2.10

[Lukas Märdian]

Public bug reported:

Upstream is aware of the problem (tho, the proposed fix does not resolve the issue quite yet):
https://github.com/encode/django-rest-framework/issues/8160

=================================== FAILURES ===================================
__________________ TestViewNamesAndDescriptions.test_markdown __________________

self = <tests.test_description.TestViewNamesAndDescriptions
testMethod=test_markdown>

    @pytest.mark.skipif(not apply_markdown, reason="Markdown is not installed")
    def test_markdown(self):
        """
        Ensure markdown to HTML works as expected.
        """
        # Markdown 3.3 is only supported on Python 3.6 and higher
        if sys.version_info >= (3, 6):
>           assert apply_markdown(DESCRIPTION) == MARKDOWN_BASE % MARKDOWN_gte_33
E           AssertionError: assert '<h2 id="an-e...<p><br /></p>' == '<h2 id="an-e...<p><br /></p>'
E             Skipping 445 identical leading characters in diff, use -v to show
E             - an class="nt">"beta: "</span><span class="err">this</span> <span class="err">is</span> <span class="err">a</span> <span class="err">string"</span><br /><span class="p">}]</span><br /></pre></div>
E             + an class="s2">"beta: "</span><span class="kc">t</span><span class="err">his</span> <span class="err">is</span> <span class="err">a</span> <span class="err">s</span><span class="kc">tr</span><span class="err">i</span><span class="kc">n</span><span class="err">g"</span><br /><span cl...
E             
E             ...Full output truncated (2 lines hidden), use '-vv' to show

tests/test_description.py:170: AssertionError
=============================== warnings summary ===============================
tests/test_authtoken.py::AuthTokenTests::test_authtoken_can_be_imported_when_not_included_in_installed_apps
  /usr/lib/python3/dist-packages/django/db/models/base.py:316: RuntimeWarning: Model 'authtoken.token' was already registered. Reloading models is not advised as it can lead to inconsistencies, most notably with related models.
    new_class._meta.apps.register_model(new_class._meta.app_label, new_class)

tests/test_authtoken.py::AuthTokenTests::test_authtoken_can_be_imported_when_not_included_in_installed_apps
  /usr/lib/python3/dist-packages/django/db/models/base.py:316: RuntimeWarning: Model 'authtoken.tokenproxy' was already registered. Reloading models is not advised as it can lead to inconsistencies, most notably with related models.
    new_class._meta.apps.register_model(new_class._meta.app_label, new_class)

-- Docs: https://docs.pytest.org/en/stable/warnings.html
=========================== short test summary info ============================
FAILED tests/test_description.py::TestViewNamesAndDescriptions::test_markdown
=========== 1 failed, 1275 passed, 127 skipped, 2 warnings in 15.83s ===========

** Affects: djangorestframework (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: pygments (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: update-excuse

** Also affects: pygments (Ubuntu)
   Importance: Undecided
       Status: New

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1955134

Title:
  test_markdown fails rendering with pygments > 2.10

Status in djangorestframework package in Ubuntu:
  New
Status in pygments package in Ubuntu:
  New

Bug description:
  Upstream is aware of the problem (tho, the proposed fix does not resolve the issue quite yet):
  https://github.com/encode/django-rest-framework/issues/8160

  =================================== FAILURES ===================================
  __________________ TestViewNamesAndDescriptions.test_markdown __________________

  self = <tests.test_description.TestViewNamesAndDescriptions
  testMethod=test_markdown>

      @pytest.mark.skipif(not apply_markdown, reason="Markdown is not installed")
      def test_markdown(self):
          """
          Ensure markdown to HTML works as expected.
          """
          # Markdown 3.3 is only supported on Python 3.6 and higher
          if sys.version_info >= (3, 6):
  >           assert apply_markdown(DESCRIPTION) == MARKDOWN_BASE % MARKDOWN_gte_33
  E           AssertionError: assert '<h2 id="an-e...<p><br /></p>' == '<h2 id="an-e...<p><br /></p>'
  E             Skipping 445 identical leading characters in diff, use -v to show
  E             - an class="nt">"beta: "</span><span class="err">this</span> <span class="err">is</span> <span class="err">a</span> <span class="err">string"</span><br /><span class="p">}]</span><br /></pre></div>
  E             + an class="s2">"beta: "</span><span class="kc">t</span><span class="err">his</span> <span class="err">is</span> <span class="err">a</span> <span class="err">s</span><span class="kc">tr</span><span class="err">i</span><span class="kc">n</span><span class="err">g"</span><br /><span cl...
  E             
  E             ...Full output truncated (2 lines hidden), use '-vv' to show

  tests/test_description.py:170: AssertionError
  =============================== warnings summary ===============================
  tests/test_authtoken.py::AuthTokenTests::test_authtoken_can_be_imported_when_not_included_in_installed_apps
    /usr/lib/python3/dist-packages/django/db/models/base.py:316: RuntimeWarning: Model 'authtoken.token' was already registered. Reloading models is not advised as it can lead to inconsistencies, most notably with related models.
      new_class._meta.apps.register_model(new_class._meta.app_label, new_class)

  tests/test_authtoken.py::AuthTokenTests::test_authtoken_can_be_imported_when_not_included_in_installed_apps
    /usr/lib/python3/dist-packages/django/db/models/base.py:316: RuntimeWarning: Model 'authtoken.tokenproxy' was already registered. Reloading models is not advised as it can lead to inconsistencies, most notably with related models.
      new_class._meta.apps.register_model(new_class._meta.app_label, new_class)

  -- Docs: https://docs.pytest.org/en/stable/warnings.html
  =========================== short test summary info ============================
  FAILED tests/test_description.py::TestViewNamesAndDescriptions::test_markdown
  =========== 1 failed, 1275 passed, 127 skipped, 2 warnings in 15.83s ===========

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