Update ConfigInspectorManager::getNodeConstraints() for #3364109: NotNull + PrimitiveType is insufficient validation
>>> [!note] Migrated issue
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Reported by: [wim leers](https://www.drupal.org/user/99777)
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>Once <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/drupal/issues/3364109" title="Status: Closed (fixed)">#3364109: Configuration schema & required values: add test coverage for `nullable: true` validation support</a></span> lands, MANY (most!) config schema data types will automatically get the <code>NotNull</code> validation constraint.</p>
<p>But … that still is not sufficient validation.</p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<p>With Config Inspector's latest release, <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/drupal/issues/3364109" title="Status: Closed (fixed)">#3364109: Configuration schema & required values: add test coverage for `nullable: true` validation support</a></span> will show:</p>
<pre>$ vendor/bin/drush config:inspect --filter-keys system.date --detail --strict-validation --list-constraints<br> Legend for Data: <br> ✅❓ → Correct primitive type, detailed validation impossible.<br> ✅✅ → Correct primitive type, passed all validation constraints.<br> ----------------------------------------- --------- ------------- ------ ------------------------------ <br> Key Status Validatable Data Validation constraints <br> ----------------------------------------- --------- ------------- ------ ------------------------------ <br> system.date Correct 100% ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date: Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:_core Correct Validatable ✅✅ ValidKeys: <br> - default_config_hash <br> ↣ NotNull: { } <br> system.date:_core.default_config_hash Correct Validatable ✅✅ NotNull: { } <br> Regex: '/^[a-zA-Z0-9\-_]+$/' <br> Length: 43 <br> ↣ PrimitiveType: { } <br> system.date:country Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:country.default Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> system.date:first_day Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> system.date:timezone Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:timezone.default Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> system.date:timezone.user Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:timezone.user.configurable Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> system.date:timezone.user.default Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> system.date:timezone.user.warn Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> ----------------------------------------- --------- ------------- ------ ------------------------------ </pre><p>This is invalid.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Require more than <code>PrimitiveType</code> AND more than <code>NotNull</code>! That should lead to:</p>
<pre>$ vendor/bin/drush config:inspect --filter-keys system.date --detail --strict-validation --list-constraints<br> Legend for Data: <br> ✅❓ → Correct primitive type, detailed validation impossible.<br> ✅✅ → Correct primitive type, passed all validation constraints.<br> ----------------------------------------- --------- ------------- ------ ------------------------------ <br> Key Status Validatable Data Validation constraints <br> ----------------------------------------- --------- ------------- ------ ------------------------------ <br> system.date Correct 67% ✅❓ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date: Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:_core Correct Validatable ✅✅ ValidKeys: <br> - default_config_hash <br> ↣ NotNull: { } <br> system.date:_core.default_config_hash Correct Validatable ✅✅ NotNull: { } <br> Regex: '/^[a-zA-Z0-9\-_]+$/' <br> Length: 43 <br> ↣ PrimitiveType: { } <br> system.date:country Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:country.default Correct NOT ✅❓ <br> system.date:first_day Correct NOT ✅❓ <br> system.date:timezone Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:timezone.default Correct NOT ✅❓ <br> system.date:timezone.user Correct Validatable ✅✅ ValidKeys: '<infer>' <br> ↣ NotNull: { } <br> system.date:timezone.user.configurable Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> system.date:timezone.user.default Correct NOT ✅❓ <br> system.date:timezone.user.warn Correct Validatable ✅✅ ↣ PrimitiveType: { } <br> ↣ NotNull: { } <br> ----------------------------------------- --------- ------------- ------ ------------------------------ </pre><h3 id="summary-remaining-tasks">Remaining tasks</h3>
<p>TBD</p>
<h3 id="summary-ui-changes">User interface changes</h3>
<p>None.</p>
<h3 id="summary-api-changes">API changes</h3>
<p>None.</p>
<h3 id="summary-data-model-changes">Data model changes</h3>
<p>None.</p>
> Related issue: [Issue #3364109](https://www.drupal.org/node/3364109)
issue
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