SF.net SVN: docutils:[9695 ] trunk/docutils

Revision: 9695
          http://sourceforge.net/p/docutils/code/9695
Author:   milde
Date:     2024-05-08 07:11:05 +0000 (Wed, 08 May 2024)
Log Message:
-----------
Doctree validation: Validate number and types of element children.

The "manpage" writer tests include a sample with invalid doctree
(`<citation>` without content, generated from an "rST" source without warning)
to ensure this case is handled gracefully -> ensure "validate" setting is off.

Modified Paths:
--------------
    trunk/docutils/docutils/nodes.py
    trunk/docutils/test/test_writers/test_manpage.py

Modified: trunk/docutils/docutils/nodes.py
===================================================================
--- trunk/docutils/docutils/nodes.py	2024-05-08 07:10:56 UTC (rev 9694)
+++ trunk/docutils/docutils/nodes.py	2024-05-08 07:11:05 UTC (rev 9695)
@@ -1146,8 +1146,16 @@
         except ValueError as e:
             messages.append(e.args[0])  # the message argument
         # TODO: check number of children
+        n_min, n_max = self.valid_len
+        if len(self.children) < n_min:
+            messages.append(f'Expects at least {n_min} children, '
+                            f'not {len(self.children)}.')
+        if n_max is not None and len(self.children) > n_max:
+            messages.append(f'Expects at most {n_max} children, '
+                            f'not {len(self.children)}.')
         for child in self.children:
-            # TODO: check whether child has allowed type
+            if not isinstance(child, self.valid_children):
+                messages.append(f'May not contain "{child.tagname}" elements.')
             child.validate()
         if messages:
             msg = f'Element <{self.tagname}> invalid:\n' + '\n'.join(messages)

Modified: trunk/docutils/test/test_writers/test_manpage.py
===================================================================
--- trunk/docutils/test/test_writers/test_manpage.py	2024-05-08 07:10:56 UTC (rev 9694)
+++ trunk/docutils/test/test_writers/test_manpage.py	2024-05-08 07:11:05 UTC (rev 9695)
@@ -34,6 +34,7 @@
                         settings_overrides={
                             '_disable_config': True,
                             'strict_visitor': True,
+                            'validate': False,  # allow testing invalid doctree
                         }).decode()
                     self.assertEqual(case_expected, output)
 

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