Ensure that we can parse all files of the stdlib.

docs/tests/test_standard_library_docs.py

@@ -23,4 +23,11 @@ def test_std_lib_docs() -> None:
         elif entry.is_dir() and entry.joinpath('__init__.py').exists(): # Package
             assert BASE_DIR.joinpath('Lib.'+entry.name+'.html').exists()
 
+def test_std_lib_logs() -> None:
+    """
+    'Cannot parse file' do not appear too much.
+    This test expect a run.log file in cpython-output directory
+    """
+    log = (BASE_DIR / 'run.log').read_text()
+    assert log.count('Cannot parse file') == 4
 

tox.ini

@@ -17,6 +17,7 @@ allowlist_externals =
     rm
     sh
     touch
+    tee
 passenv = *
 
 [testenv:test]
@@ -169,13 +170,12 @@ commands =
     sh -c "cd {toxworkdir}/cpython && git checkout 3.11"
     touch {toxworkdir}/cpython/Lib/__init__.py
     rm -rf {toxworkdir}/cpython-summary-output
-    # TODO: Switch to restructuredtext when #261 is fixed.
     pydoctor \
         --docformat=plaintext \
         --project-base-dir={toxworkdir}/cpython \
         --html-output={toxworkdir}/cpython-summary-output \
         --html-summary-pages \
-        {toxworkdir}/cpython/Lib
+        {toxworkdir}/cpython/Lib | tee {toxworkdir}/cpython-summary-output/run.log
 
 
 [testenv:mypy]