first commit

core/modules/system/tests/themes/deprecated_theme_test/deprecated_theme_test.info.yml

@@ -0,0 +1,12 @@
+name: 'Deprecated theme test'
+type: theme
+description: 'Deprecated test theme.'
+# version: VERSION
+lifecycle: deprecated
+lifecycle_link: 'https://example.com/deprecated'
+base theme: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/engines/nyan_cat/nyan_cat.engine

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * @file
+ * Handles integration of Nyan cat templates because we love kittens.
+ */
+
+use Drupal\Component\Utility\Html;
+
+/**
+ * Implements hook_theme().
+ */
+function nyan_cat_theme($existing, $type, $theme, $path) {
+  return drupal_find_theme_templates($existing, '.nyan-cat.html', $path);
+}
+
+/**
+ * Implements hook_extension().
+ */
+function nyan_cat_extension() {
+  return '.nyan-cat.html';
+}
+
+/**
+ * Implements hook_render_template().
+ */
+function nyan_cat_render_template($template_file, $variables) {
+  $output = str_replace('div', 'nyancat', file_get_contents(\Drupal::root() . '/' . $template_file));
+  foreach ($variables as $key => $variable) {
+    if (str_contains($output, '9' . $key)) {
+      $output = str_replace('9' . $key, Html::escape($variable), $output);
+    }
+  }
+  return $output;
+}

core/modules/system/tests/themes/engines/nyan_cat/nyan_cat.info.yml

@@ -0,0 +1,9 @@
+type: theme_engine
+name: Nyan cat
+# version: VERSION
+package: Core
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/experimental_theme_dependency_test/experimental_theme_dependency_test.info.yml

@@ -0,0 +1,10 @@
+name: 'Experimental dependency test'
+type: theme
+description: 'Experimental dependency test theme.'
+# version: VERSION
+base theme: experimental_theme_test
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/experimental_theme_test/experimental_theme_test.info.yml

@@ -0,0 +1,11 @@
+name: 'Experimental test'
+type: theme
+description: 'Experimental test theme.'
+# version: VERSION
+base theme: false
+lifecycle: experimental
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/name_collision_test/name_collision_test.info.yml

@@ -0,0 +1,10 @@
+name: 'Theme Same Name as Module'
+type: theme
+description: 'Test theme with the same name as a module.'
+base theme: false
+# version: VERSION
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/obsolete_theme_test/obsolete_theme_test.info.yml

@@ -0,0 +1,12 @@
+name: 'Obsolete theme test'
+type: theme
+description: 'Obsolete test theme.'
+# version: VERSION
+lifecycle: obsolete
+lifecycle_link: 'https://example.com/obsolete'
+base theme: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/sdc_theme_test/components/bar/bar.component.yml

@@ -0,0 +1 @@
+# This file is intentionally left empty

core/modules/system/tests/themes/sdc_theme_test/components/bar/bar.twig

@@ -0,0 +1 @@
+<h1>Bar</h1>

core/modules/system/tests/themes/sdc_theme_test/components/lib-overrides/another-stylesheet.css

@@ -0,0 +1,3 @@
+div#sdc-wrapper {
+  opacity: 0;
+}

core/modules/system/tests/themes/sdc_theme_test/components/lib-overrides/lib-overrides.component.yml

@@ -0,0 +1,14 @@
+$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
+name: Lib Overrides
+status: stable
+libraryOverrides:
+  version: 1
+  dependencies:
+    - core/drupal.dialog
+  css:
+    component:
+      another-stylesheet.css: {}
+      https://drupal.org/fake-dependency/styles.css: {}
+  js:
+    lib-overrides.js: { attributes: { defer: true, bar: foo } }
+    https://drupal.org/fake-dependency/index.min.js: {}

core/modules/system/tests/themes/sdc_theme_test/components/lib-overrides/lib-overrides.css

@@ -0,0 +1,4 @@
+/* The linter does not allow empty CSS. Let's add anything here. */
+div {
+  display: block;
+}

core/modules/system/tests/themes/sdc_theme_test/components/lib-overrides/lib-overrides.js

@@ -0,0 +1,7 @@
+((document, Drupal) => {
+  Drupal.behaviors.libOverridesComponent = {
+    attach() {
+      // Intentionally left blank. We only need the file to exist.
+    },
+  };
+})(document, Drupal);

core/modules/system/tests/themes/sdc_theme_test/components/lib-overrides/lib-overrides.twig

@@ -0,0 +1 @@
+It works

core/modules/system/tests/themes/sdc_theme_test/components/mismatching-folder-name/foo.component.yml

@@ -0,0 +1,11 @@
+$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
+name: Foo
+status: experimental
+libraryOverrides:
+  css: {}
+  js: {}
+props:
+  type: object
+  properties:
+    prop1:
+      type: string

core/modules/system/tests/themes/sdc_theme_test/components/mismatching-folder-name/foo.twig

@@ -0,0 +1 @@
+<h1>Foo</h1>

core/modules/system/tests/themes/sdc_theme_test/components/my-card/my-card.component.yml

@@ -0,0 +1,20 @@
+$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
+name: Card
+status: experimental
+props:
+  type: object
+  required:
+    - header
+  properties:
+    header:
+      type: string
+      title: Header
+      description: The card header
+      examples:
+        - I am a header!
+slots:
+  card_body:
+    title: Body
+    description: The contents of the card.
+    examples:
+      - <p>Foo is <strong>NOT</strong> bar.</p>

core/modules/system/tests/themes/sdc_theme_test/components/my-card/my-card.css

@@ -0,0 +1,23 @@
+.component--my-card {
+  max-width: 500px;
+  margin: 15px auto;
+  color: #f1f1f1;
+  border: 1px solid #141414;
+  background-color: #252525;
+}
+
+.component--my-card__header {
+  margin: 0;
+  padding: 12px 24px 5px 24px;
+  border-bottom: 1px solid #4a4a4a;
+  font-size: 2.5rem;
+  font-weight: bold;
+}
+
+.component--my-card__body {
+  padding: 12px 24px 24px 24px;
+}
+.component--my-card__body .component--my-button {
+  display: block;
+  margin: 0 auto;
+}

core/modules/system/tests/themes/sdc_theme_test/components/my-card/my-card.twig

@@ -0,0 +1,8 @@
+<div {{ attributes }}>
+  <h2 class="component--my-card__header">{{ header }}</h2>
+  <div class="component--my-card__body">
+    {% block card_body %}
+      Default contents for a card
+    {% endblock %}
+  </div>
+</div>

core/modules/system/tests/themes/sdc_theme_test/sdc_theme_test.info.yml

@@ -0,0 +1,12 @@
+name: 'SDC test theme'
+type: theme
+description: 'Test theme for sdc.'
+# version: VERSION
+base theme: sdc_theme_test_base
+
+enforce_prop_schemas: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/sdc_theme_test_base/components/my-card-no-schema/my-card-no-schema.component.yml

@@ -0,0 +1,3 @@
+$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
+name: Card Without Schema
+status: experimental

core/modules/system/tests/themes/sdc_theme_test_base/components/my-card-no-schema/my-card-no-schema.twig

@@ -0,0 +1,8 @@
+<div {{ attributes }}>
+  <h2 class="component--my-card-no-schema__header">{{ header }}</h2>
+  <div class="component--my-card-no-schema__body">
+    {% block card_body %}
+      Default contents for a card
+    {% endblock %}
+  </div>
+</div>

core/modules/system/tests/themes/sdc_theme_test_base/sdc_theme_test_base.info.yml

@@ -0,0 +1,12 @@
+name: 'SDC test theme'
+type: theme
+description: 'Test theme for sdc.'
+# version: VERSION
+base theme: starterkit_theme
+
+enforce_prop_schemas: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/sdc_theme_test_enforce_schema/components/my-card/my-card.component.yml

@@ -0,0 +1,21 @@
+$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
+name: Card
+status: experimental
+replaces: 'sdc_theme_test:my-card'
+props:
+  type: object
+  required:
+    - header
+  properties:
+    header:
+      type: string
+      title: Header
+      description: The card header
+      examples:
+        - I am a header!
+slots:
+  card_body:
+    title: Body
+    description: The contents of the card.
+    examples:
+      - <p>Foo is <strong>NOT</strong> bar.</p>

core/modules/system/tests/themes/sdc_theme_test_enforce_schema/components/my-card/my-card.css

@@ -0,0 +1,23 @@
+.component--my-card {
+  max-width: 500px;
+  margin: 15px auto;
+  color: #f1f1f1;
+  border: 1px solid #141414;
+  background-color: #252525;
+}
+
+.component--my-card__header {
+  margin: 0;
+  padding: 12px 24px 5px 24px;
+  border-bottom: 1px solid #4a4a4a;
+  font-size: 2.5rem;
+  font-weight: bold;
+}
+
+.component--my-card__body {
+  padding: 12px 24px 24px 24px;
+}
+.component--my-card__body .component--my-button {
+  display: block;
+  margin: 0 auto;
+}

core/modules/system/tests/themes/sdc_theme_test_enforce_schema/components/my-card/my-card.twig

@@ -0,0 +1,8 @@
+<div {{ attributes }}>
+  <h2 class="component--my-card__header">{{ header }}</h2>
+  <div class="component--my-card--replaced__body">
+    {% block card_body %}
+      Default contents for a card
+    {% endblock %}
+  </div>
+</div>

core/modules/system/tests/themes/sdc_theme_test_enforce_schema/sdc_theme_test_enforce_schema.info.yml

@@ -0,0 +1,12 @@
+name: 'SDC test theme'
+type: theme
+description: 'Test theme for sdc that enforces schema definitions.'
+# version: VERSION
+base theme: sdc_theme_test
+
+enforce_prop_schemas: true
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/sdc_theme_test_enforce_schema_invalid/components/my-card-no-schema/my-card-no-schema.component.yml

@@ -0,0 +1,3 @@
+$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
+name: Card Without Schema
+status: experimental

core/modules/system/tests/themes/sdc_theme_test_enforce_schema_invalid/components/my-card-no-schema/my-card-no-schema.twig

@@ -0,0 +1,8 @@
+<div {{ attributes }}>
+  <h2 class="component--my-card-no-schema__header">{{ header }}</h2>
+  <div class="component--my-card-no-schema__body">
+    {% block card_body %}
+      Default contents for a card
+    {% endblock %}
+  </div>
+</div>

core/modules/system/tests/themes/sdc_theme_test_enforce_schema_invalid/sdc_theme_test_enforce_schema_invalid.info.yml

@@ -0,0 +1,12 @@
+name: 'SDC test theme'
+type: theme
+description: 'Test theme for sdc that enforces schema and provides a schema-less component.'
+# version: VERSION
+base theme: sdc_theme_test
+
+enforce_prop_schemas: true
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_basetheme/test_basetheme.info.yml

@@ -0,0 +1,29 @@
+name: 'Theme test base theme'
+type: theme
+description: 'Test theme which acts as a base theme for other test subthemes.'
+# version: VERSION
+base theme: false
+hidden: true
+
+libraries:
+  - test_basetheme/global-styling
+libraries-override:
+  core/drupal.dialog:
+    js:
+      misc/dialog/dialog.js: false
+  core/loadjs:
+    js:
+      assets/vendor/loadjs/loadjs.min.js: js/loadjs.min.js
+  theme_test/theme_stylesheets_override_and_remove_test:
+    css:
+      base:
+        css/base-remove.css: false
+
+libraries-extend:
+  starterkit_theme/base:
+    - test_basetheme/global-styling
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_basetheme/test_basetheme.libraries.yml

@@ -0,0 +1,8 @@
+global-styling:
+  version: VERSION
+  css:
+    base:
+      base-add.css: {}
+      base-add.sub-remove.css: {}
+      samename.css: {}
+      css/base-libraries-extend.css: {}

core/modules/system/tests/themes/test_basetheme/test_basetheme.theme

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @file
+ * Add hooks for tests to use.
+ */
+
+use Drupal\views\Plugin\views\cache\CachePluginBase;
+use Drupal\views\ViewExecutable;
+
+/**
+ * Implements hook_views_pre_render().
+ */
+function test_basetheme_views_pre_render(ViewExecutable $view) {
+  // We append the function name to the title for test to check for.
+  $view->setTitle($view->getTitle() . ":" . __FUNCTION__);
+}
+
+/**
+ * Implements hook_views_post_render().
+ */
+function test_basetheme_views_post_render(ViewExecutable $view, &$output, CachePluginBase $cache) {
+  // We append the function name to the title for test to check for.
+  $view->setTitle($view->getTitle() . ":" . __FUNCTION__);
+}
+
+/**
+ * Implements hook_preprocess_HOOK() for theme_test_template_test templates.
+ */
+function test_basetheme_preprocess_theme_test_template_test(&$variables) {
+}
+
+/**
+ * Implements hook_preprocess_HOOK() for theme_test_function_suggestions theme functions.
+ */
+function test_basetheme_preprocess_theme_test_function_suggestions(&$variables) {
+}

core/modules/system/tests/themes/test_ckeditor_stylesheets_drupal_root/css/yokotsoko.css

@@ -0,0 +1,4 @@
+/**
+ * @file
+ * Test CSS asset file for test_ckeditor_stylesheets_drupal_root.theme.
+ */

core/modules/system/tests/themes/test_ckeditor_stylesheets_drupal_root/test_ckeditor_stylesheets_drupal_root.info.yml

@@ -0,0 +1,14 @@
+name: Test Drupal root CKEditor stylesheets
+type: theme
+description: 'A theme that uses a Drupal root CKEditor stylesheet.'
+package: Testing
+# version: VERSION
+base theme: false
+
+ckeditor5-stylesheets:
+  - /core/modules/system/tests/themes/test_ckeditor_stylesheets_drupal_root/css/yokotsoko.css
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_ckeditor_stylesheets_external/test_ckeditor_stylesheets_external.info.yml

@@ -0,0 +1,14 @@
+name: Test external CKEditor stylesheets
+type: theme
+description: 'A theme that uses an external CKEditor stylesheet.'
+# version: VERSION
+base theme: false
+ckeditor_stylesheets:
+  - https://fonts.googleapis.com/css?family=Open+Sans
+ckeditor5-stylesheets:
+  - https://fonts.googleapis.com/css?family=Open+Sans
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_ckeditor_stylesheets_protocol_relative/test_ckeditor_stylesheets_protocol_relative.info.yml

@@ -0,0 +1,14 @@
+name: Test protocol-relative CKEditor stylesheets
+type: theme
+description: 'A theme that uses a protocol-relative CKEditor stylesheet.'
+# version: VERSION
+base theme: false
+ckeditor_stylesheets:
+  - //fonts.googleapis.com/css?family=Open+Sans
+ckeditor5-stylesheets:
+  - //fonts.googleapis.com/css?family=Open+Sans
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_ckeditor_stylesheets_relative/css/yokotsoko.css

@@ -0,0 +1,4 @@
+/**
+ * @file
+ * Test CSS asset file for test_ckeditor_stylesheets_relative.theme.
+ */

core/modules/system/tests/themes/test_ckeditor_stylesheets_relative/test_ckeditor_stylesheets_relative.info.yml

@@ -0,0 +1,14 @@
+name: Test relative CKEditor stylesheets
+type: theme
+description: 'A theme that uses a relative CKEditor stylesheet.'
+# version: VERSION
+base theme: false
+ckeditor_stylesheets:
+  - css/yokotsoko.css
+ckeditor5-stylesheets:
+  - css/yokotsoko.css
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_ckeditor_stylesheets_without_5/css/yokotsoko.css

@@ -0,0 +1,4 @@
+/**
+ * @file
+ * Test CSS asset file for test_ckeditor_without_5.theme.
+ */

core/modules/system/tests/themes/test_ckeditor_stylesheets_without_5/test_ckeditor_stylesheets_without_5.info.yml

@@ -0,0 +1,14 @@
+name: No setting for CKEditor 5 stylesheets
+type: theme
+description: 'A theme that uses ckeditor_stylesheets without ckeditor5-stylesheets.'
+package: Testing
+# version: VERSION
+base theme: false
+
+ckeditor_stylesheets:
+  - /core/modules/system/tests/themes/test_ckeditor_stylesheets_without_5/css/yokotsoko.css
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_core_semver/test_core_semver.info.yml

@@ -0,0 +1,11 @@
+name: 'Theme test with semver core version'
+type: theme
+base theme: stable9
+description: 'Test theme which has semver core version.'
+# version: VERSION
+core_version_requirement: ^8 || ^9 || ^10
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_deprecated_theme/test_deprecated_theme.info.yml

@@ -0,0 +1,12 @@
+name: 'Test deprecated theme'
+type: theme
+description: 'Support module for testing deprecated themes.'
+# version: VERSION
+base theme: false
+lifecycle: deprecated
+lifecycle_link: 'http://example.com/deprecated_theme'
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_invalid_basetheme/test_invalid_basetheme.info.yml

@@ -0,0 +1,10 @@
+name: 'Theme test with invalid base theme'
+type: theme
+description: 'Test theme which has a non-existent base theme.'
+# version: VERSION
+base theme: not_real_test_basetheme
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_invalid_basetheme_sub/test_invalid_basetheme_sub.info.yml

@@ -0,0 +1,10 @@
+name: 'Theme test with valid base theme but no grandparent base theme'
+type: theme
+description: 'Test theme which has a non-existent base theme in the base chain.'
+# version: VERSION
+base theme: test_invalid_basetheme
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_invalid_core_semver/test_invalid_core_semver.info.yml

@@ -0,0 +1,11 @@
+name: 'Theme test with invalid semver core version'
+type: theme
+base theme: stable9
+description: 'Test theme which has an invalid semver core version.'
+# version: VERSION
+core_version_requirement: ^7
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_invalid_engine/test_invalid_engine.info.yml

@@ -0,0 +1,11 @@
+name: 'Theme test with invalid theme engine'
+type: theme
+description: 'Test theme which has a non-existent theme engine.'
+# version: VERSION
+engine: not_real_engine
+base theme: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_invalid_region/test_invalid_region.info.yml

@@ -0,0 +1,12 @@
+name: 'Theme test with missing content region'
+type: theme
+base theme: stable9
+description: 'Test theme which has a non-existent content region.'
+# version: VERSION
+regions:
+  - foo: Foo
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_messages/templates/status-messages.html.twig

@@ -0,0 +1,41 @@
+{#
+/**
+ * @file
+ * Test templates file with extra messages div.
+ */
+#}
+<div data-drupal-messages>
+{% block messages %}
+{% for type, messages in message_list %}
+  {%
+    set classes = [
+      'messages',
+      'messages--' ~ type,
+    ]
+  %}
+  <div role="contentinfo" aria-label="{{ status_headings[type] }}"{{ attributes.addClass(classes)|without('role', 'aria-label') }}>
+    {% if type == 'error' %}
+      <div role="alert">
+    {% endif %}
+      {% if status_headings[type] %}
+        <h2 class="visually-hidden">{{ status_headings[type] }}</h2>
+      {% endif %}
+      {% if messages|length > 1 %}
+        <ul class="messages__list">
+          {% for message in messages %}
+            <li class="messages__item">{{ message }}</li>
+          {% endfor %}
+        </ul>
+      {% else %}
+        {{ messages|first }}
+      {% endif %}
+    {% if type == 'error' %}
+      </div>
+    {% endif %}
+  </div>
+  {# Remove type specific classes. #}
+  {% set attributes = attributes.removeClass(classes) %}
+{% endfor %}
+{% endblock messages %}
+</div>
+<div data-drupal-messages-other></div>

core/modules/system/tests/themes/test_messages/test_messages.info.yml

@@ -0,0 +1,10 @@
+name: 'Theme test messages'
+type: theme
+description: 'Test theme which provides another div for messages.'
+# version: VERSION
+base theme: starterkit_theme
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_subsubtheme/test_subsubtheme.info.yml

@@ -0,0 +1,15 @@
+name: 'Theme test subsubtheme'
+type: theme
+description: 'Test theme which uses test_subtheme as the base theme.'
+# version: VERSION
+base theme: test_subtheme
+libraries-override:
+  test_basetheme/global-styling:
+    css:
+      base:
+        css/sub-sub-last-override.css: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_subsubtheme/test_subsubtheme.theme

@@ -0,0 +1,12 @@
+<?php
+
+/**
+ * @file
+ * Add hooks for tests to use.
+ */
+
+/**
+ * Implements hook_preprocess_HOOK() for theme_test_template_test templates.
+ */
+function test_subsubtheme_preprocess_theme_test_template_test(&$variables) {
+}

core/modules/system/tests/themes/test_subtheme/test_subtheme.info.yml

@@ -0,0 +1,24 @@
+name: 'Theme test subtheme'
+type: theme
+description: 'Test theme which uses test_basetheme as the base theme.'
+# version: VERSION
+base theme: test_basetheme
+libraries:
+  - test_subtheme/global-styling
+libraries-override:
+  theme_test/theme_stylesheets_override_and_remove_test:
+    css:
+      base:
+        css/sub-remove.css: false
+  test_basetheme/global-styling:
+    css:
+      base:
+        base-add.sub-remove.css: false
+libraries-extend:
+  starterkit_theme/base:
+    - test_subtheme/global-styling
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_subtheme/test_subtheme.libraries.yml

@@ -0,0 +1,7 @@
+global-styling:
+  version: VERSION
+  css:
+    base:
+      css/sub-add.css: {}
+      css/samename.css: {}
+      css/sub-libraries-extend.css: {}

core/modules/system/tests/themes/test_subtheme/test_subtheme.theme

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @file
+ * Add hooks for tests to use.
+ */
+
+use Drupal\views\Plugin\views\cache\CachePluginBase;
+use Drupal\views\ViewExecutable;
+
+/**
+ * Implements hook_views_pre_render().
+ */
+function test_subtheme_views_pre_render(ViewExecutable $view) {
+  // We append the function name to the title for test to check for.
+  $view->setTitle($view->getTitle() . ":" . __FUNCTION__);
+}
+
+/**
+ * Implements hook_views_post_render().
+ */
+function test_subtheme_views_post_render(ViewExecutable $view, &$output, CachePluginBase $cache) {
+  // We append the function name to the title for test to check for.
+  $view->setTitle($view->getTitle() . ":" . __FUNCTION__);
+  if ($view->id() == 'test_page_display') {
+    $output['#rows'][0]['#title'] = t('%total_rows items found.', ['%total_rows' => $view->total_rows]);
+  }
+}
+
+/**
+ * Implements hook_preprocess_HOOK() for theme_test_template_test templates.
+ */
+function test_subtheme_preprocess_theme_test_template_test(&$variables) {
+}

core/modules/system/tests/themes/test_subtheming_ckeditor_stylesheets_without_5/css/another.css

@@ -0,0 +1,5 @@
+/* cspell:ignore subtheming */
+/**
+ * @file
+ * Test CSS asset file for test_subtheming_ckeditor_stylesheets_without_5.theme.
+ */

core/modules/system/tests/themes/test_subtheming_ckeditor_stylesheets_without_5/test_subtheming_ckeditor_stylesheets_without_5.info.yml

@@ -0,0 +1,14 @@
+name: No setting for CKEditor 5 stylesheets here or subtheme
+type: theme
+description: 'A theme that uses ckeditor_stylesheets without ckeditor5-stylesheets, nor does its base theme.'
+package: Testing
+# version: VERSION
+base theme: test_ckeditor_stylesheets_without_5
+
+ckeditor_stylesheets:
+  - /core/modules/system/tests/themes/test_ckeditor_stylesheets_without_5/css/another.css
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme/css/collapse.css

@@ -0,0 +1,4 @@
+/**
+ * @file
+ * Test CSS asset file for test_theme.theme.
+ */

core/modules/system/tests/themes/test_theme/js/collapse.js

@@ -0,0 +1,4 @@
+/**
+ * @file
+ * Test JS asset file for test_theme.theme.
+ */

core/modules/system/tests/themes/test_theme/node--1.html.twig

@@ -0,0 +1,4 @@
+{#
+  // node--1.html.twig - Dummy file for finding the template
+#}
+Node Content Dummy

core/modules/system/tests/themes/test_theme/src/ThemeClass.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Drupal\test_theme;
+
+/**
+ * Represents a random class, used to test if themes can provide classes.
+ */
+class ThemeClass {}

core/modules/system/tests/themes/test_theme/templates/node.html.twig

@@ -0,0 +1,13 @@
+{#
+/**
+ * @file
+ * Minimal template to ensure chained property access works with white-listing.
+ */
+#}
+<article{{ attributes }}>
+
+  <div>
+    {{ node.field_term.entity.label }}
+  </div>
+
+</article>

core/modules/system/tests/themes/test_theme/templates/theme-test--suggestion.html.twig

@@ -0,0 +1,2 @@
+{# Output for Theme API test #}
+Theme hook implementor=theme-test--suggestion.html.twig. Foo={{ foo }}

core/modules/system/tests/themes/test_theme/templates/theme-test-general-suggestions--module-override.html.twig

@@ -0,0 +1,3 @@
+{# Output for Theme API test #}
+Template overridden based on new theme suggestion provided by a module via hook_theme_suggestions_alter().
+Hooks: {{ module_hook }} {{ theme_hook }}

core/modules/system/tests/themes/test_theme/templates/theme-test-general-suggestions--theme-override.html.twig

@@ -0,0 +1,3 @@
+{# Output for Theme API test #}
+Template overridden based on new theme suggestion provided by the test_theme theme via hook_theme_suggestions_alter().
+Hooks: {{ module_hook }} {{ theme_hook }}

core/modules/system/tests/themes/test_theme/templates/theme-test-preprocess-suggestions--kitten--bearcat.html.twig

@@ -0,0 +1,4 @@
+<div class="suggestion">{{ foo }}</div>
+{% if bar %}
+  <div class="suggestion">{{ bar }}</div>
+{% endif %}

core/modules/system/tests/themes/test_theme/templates/theme-test-preprocess-suggestions--suggestion.html.twig

@@ -0,0 +1 @@
+<div class="suggestion">{{ foo }}</div>

core/modules/system/tests/themes/test_theme/templates/theme-test-registered-by-module.html.twig

@@ -0,0 +1,2 @@
+{# Output for Theme API test #}
+Template provided by theme is registered by module.

core/modules/system/tests/themes/test_theme/templates/theme-test-specific-suggestions--variant--foo.html.twig

@@ -0,0 +1,5 @@
+{# Output for Theme API test #}
+Template overridden based on suggestion alter hook determined by the base hook.
+
+<p>Theme hook suggestions:
+{{ theme_hook_suggestions|safe_join("<br />") }}</p>

core/modules/system/tests/themes/test_theme/templates/theme-test-specific-suggestions--variant.html.twig

@@ -0,0 +1,5 @@
+{# Output for Theme API test #}
+Template matching the specific theme call.
+
+<p>Theme hook suggestions:
+{{ theme_hook_suggestions|safe_join("<br />") }}</p>

core/modules/system/tests/themes/test_theme/templates/theme-test-suggestion-provided--foo.html.twig

@@ -0,0 +1,2 @@
+{# Output for Theme API test #}
+Template overridden based on suggestion provided by the module declaring the theme hook.

core/modules/system/tests/themes/test_theme/templates/theme-test-suggestions--module-override.html.twig

@@ -0,0 +1,2 @@
+{# Output for Theme API test #}
+Template overridden based on new theme suggestion provided by a module via hook_theme_suggestions_HOOK_alter().

core/modules/system/tests/themes/test_theme/templates/theme-test-suggestions--theme-override.html.twig

@@ -0,0 +1,2 @@
+{# Output for Theme API test #}
+Template overridden based on new theme suggestion provided by the test_theme theme via hook_theme_suggestions_HOOK_alter().

core/modules/system/tests/themes/test_theme/templates/views-view--test-preprocess--display-2.html.twig

@@ -0,0 +1,2 @@
+css_class: {{ css_class }}<br>
+attributes: {{- attributes -}}<br>

core/modules/system/tests/themes/test_theme/test_theme.info.yml

@@ -0,0 +1,71 @@
+# Normally, themes may list CSS files like this, and if they exist in the theme
+# folder, then they get added to the page. If they have the same file name as a
+# module CSS file, then the theme's version overrides the module's version, so
+# that the module's version is not added to the page. Additionally, a theme may
+# have an entry like this one, without having the corresponding CSS file in the
+# theme's folder, and in this case, it just stops the module's version from
+# being loaded, and does not replace it with an alternate version. We have this
+# here in order for a test to ensure that this correctly prevents the module
+# version from being loaded, and that errors aren't caused by the lack of this
+# file within the theme folder.
+name: '<strong>Test theme</strong>'
+type: theme
+description: 'Theme for testing the theme system'
+# version: VERSION
+base theme: starterkit_theme
+logo: images/logo2.svg
+libraries:
+  - test_theme/global-styling
+libraries-override:
+  # Replace an entire library.
+  core/drupal.collapse: test_theme/collapse
+  # Remove an entire library.
+  core/drupal.progress: false
+  # Replace particular library assets.
+  starterkit_theme/base:
+    css:
+      component:
+        css/components/button.css: css/my-button.css
+        css/components/container-inline.css: /themes/my_theme/css/my-container-inline.css
+        css/components/details.css: /themes/my_theme/css/my-details.css
+  # Remove particular library assets.
+  starterkit_theme/dialog:
+    css:
+      component:
+        css/components/dialog.css: false
+  system/base:
+    css:
+      component:
+        /core/themes/stable9/css/system/components/js.module.css: false
+  # It works for JS as well.
+  core/drupal.batch:
+    js:
+      misc/batch.js: js/collapse.js
+  # Use Drupal-relative paths.
+  core/drupal.dropbutton:
+    css:
+      component:
+        /core/themes/stable9/css/core/dropbutton/dropbutton.css: /themes/my_theme/css/dropbutton.css
+  # Use stream wrappers.
+  core/drupal.vertical-tabs:
+    css:
+      component:
+        /core/themes/stable9/css/core/vertical-tabs.css: public://my_css/vertical-tabs.css
+  # Use a protocol-relative URI.
+  core/drupal.displace:
+    js:
+      misc/displace.js: //my-server/my_theme/js/overridden.js
+  # Use an absolute URI.
+  core/drupal.announce:
+    js:
+      misc/announce.js: http://example.com/my_theme/js/announce.js
+
+regions:
+  content: Content
+  left: Left
+  right: Right
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme/test_theme.libraries.yml

@@ -0,0 +1,13 @@
+global-styling:
+  version: VERSION
+  css:
+    base:
+      kitten.css: {}
+
+collapse:
+  version: VERSION
+  js:
+    js/collapse.js: { }
+  css:
+    base:
+      css/collapse.css: { }

core/modules/system/tests/themes/test_theme/test_theme.theme

@@ -0,0 +1,135 @@
+<?php
+
+/**
+ * @file
+ * Theme to help test the Twig engine.
+ */
+
+/**
+ * Implements THEME_preprocess_twig_theme_test_php_variables().
+ */
+function test_theme_preprocess_twig_theme_test_php_variables(&$variables) {
+  $variables['php_values'] = _test_theme_twig_php_values();
+}
+
+/**
+ * Implements hook_element_info_alter().
+ */
+function test_theme_element_info_alter(&$info) {
+  // Decrease the default size of textfields.
+  if (isset($info['textfield']['#size'])) {
+    $info['textfield']['#size'] = 40;
+  }
+}
+
+/**
+ * Implements hook_library_info_alter().
+ */
+function test_theme_library_info_alter(&$libraries, $extension) {
+  if ($extension === 'test_theme') {
+    $libraries['kitten']['js']['kittens.js'] = [];
+  }
+}
+
+/**
+ * Tests a theme implementing an alter hook.
+ *
+ * The confusing function name here is due to this being an implementation of
+ * the alter hook invoked when the 'theme_test' module calls
+ * \Drupal::moduleHandler->alter('theme_test_alter').
+ */
+function test_theme_theme_test_alter_alter(&$data) {
+  $data = 'test_theme_theme_test_alter_alter was invoked';
+}
+
+/**
+ * Implements hook_theme_suggestions_alter().
+ */
+function test_theme_theme_suggestions_alter(array &$suggestions, array &$variables, $hook) {
+  \Drupal::messenger()->addStatus(__FUNCTION__ . '() executed.');
+  // Theme alter hooks run after module alter hooks, so add this theme
+  // suggestion to the beginning of the array so that the suggestion added by
+  // the theme_suggestions_test module can be picked up when that module is
+  // enabled.
+  if ($hook == 'theme_test_general_suggestions') {
+    array_unshift($suggestions, 'theme_test_general_suggestions__' . 'theme_override');
+    $variables['theme_hook'] = 'test_theme_theme_suggestions_alter';
+  }
+}
+
+/**
+ * Implements hook_theme_suggestions_HOOK_alter().
+ */
+function test_theme_theme_suggestions_theme_test_suggestions_alter(array &$suggestions, array $variables) {
+  \Drupal::messenger()->addStatus(__FUNCTION__ . '() executed.');
+  // Theme alter hooks run after module alter hooks, so add this theme
+  // suggestion to the beginning of the array so that the suggestion added by
+  // the theme_suggestions_test module can be picked up when that module is
+  // enabled.
+  array_unshift($suggestions, 'theme_test_suggestions__' . 'theme_override');
+}
+
+/**
+ * Implements hook_theme_suggestions_HOOK_alter().
+ */
+function test_theme_theme_suggestions_node_alter(array &$suggestions, array $variables) {
+  // Add an invalid suggestion to be tested.
+  $suggestions[] = 'invalid_theme_suggestions';
+  \Drupal::messenger()->addStatus(__FUNCTION__ . '() executed.');
+}
+
+/**
+ * Implements hook_theme_registry_alter().
+ */
+function test_theme_theme_registry_alter(&$registry) {
+  $registry['theme_test_template_test']['variables']['additional'] = 'value';
+}
+
+/**
+ * Tests a theme overriding a default hook with a suggestion.
+ *
+ * Implements hook_preprocess_HOOK().
+ */
+function test_theme_preprocess_theme_test_preprocess_suggestions(&$variables) {
+  $variables['foo'] = 'Theme hook implementor=test_theme_preprocess_theme_test_preprocess_suggestions().';
+}
+
+/**
+ * Tests a theme overriding a default hook with a suggestion.
+ */
+function test_theme_preprocess_theme_test_preprocess_suggestions__suggestion(&$variables) {
+  $variables['foo'] = 'Suggestion';
+}
+
+/**
+ * Tests a theme overriding a default hook with a suggestion.
+ */
+function test_theme_preprocess_theme_test_preprocess_suggestions__kitten(&$variables) {
+  $variables['foo'] = 'Kitten';
+}
+
+/**
+ * Tests a theme overriding a default hook with a suggestion.
+ */
+function test_theme_preprocess_theme_test_preprocess_suggestions__kitten__flamingo(&$variables) {
+  $variables['bar'] = 'Flamingo';
+}
+
+/**
+ * Tests a preprocess function with suggestions.
+ */
+function test_theme_preprocess_theme_test_preprocess_suggestions__kitten__meerkat__tarsier__moose(&$variables) {
+  $variables['bar'] = 'Moose';
+}
+
+/**
+ * Tests that a class can be loaded within a .theme file.
+ */
+function test_theme_preprocess_theme_test_theme_class(&$variables) {
+  if (class_exists('\Drupal\test_theme\ThemeClass')) {
+    $variables['message'] = 'Loading ThemeClass was successful.';
+  }
+  else {
+    $variables['message'] = 'Loading ThemeClass failed.';
+  }
+}

core/modules/system/tests/themes/test_theme/theme-test-function-template-override.html.twig

@@ -0,0 +1,2 @@
+{# Output for Theme API test #}
+Success: Template overrides theme function.

core/modules/system/tests/themes/test_theme/theme_test.template_test.html.twig

@@ -0,0 +1,2 @@
+{# Output for Theme API test #}
+Success: Template overridden.

core/modules/system/tests/themes/test_theme_depending_on_constrained_modules/test_module_compatible_constraint/test_module_compatible_constraint.info.yml

@@ -0,0 +1,9 @@
+name: Test Module Theme Depends on with Compatible Constraint
+type: module
+package: Testing
+# version: '8.x-1.2'
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_depending_on_constrained_modules/test_module_incompatible_constraint/test_module_incompatible_constraint.info.yml

@@ -0,0 +1,9 @@
+name: Test Module Theme Depends on with Incompatible Constraint
+type: module
+package: Testing
+# version: '8.x-1.8'
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_depending_on_constrained_modules/test_theme_depending_on_constrained_modules.info.yml

@@ -0,0 +1,11 @@
+name: Test Theme Depending on Version Constrained Modules
+type: theme
+base theme: stark
+dependencies:
+  - test_module_compatible_constraint (>=8.x-1.x)
+  - test_module_incompatible_constraint (>=8.x-2.x)
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_depending_on_modules/test_another_module_required_by_theme/test_another_module_required_by_theme.info.yml

@@ -0,0 +1,9 @@
+name: Test Another Module Required by Theme
+type: module
+package: Testing
+# version: VERSION
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_depending_on_modules/test_module_required_by_theme/test_module_required_by_theme.info.yml

@@ -0,0 +1,9 @@
+name: Test Module Required by Theme
+type: module
+package: Testing
+# version: VERSION
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_depending_on_modules/test_module_required_by_theme/test_module_required_by_theme.module

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * @file
+ * This file provides testing functionality for update.php.
+ */
+
+use Drupal\Core\Extension\Extension;
+
+/**
+ * Implements hook_system_info_alter().
+ */
+function test_module_required_by_theme_system_info_alter(array &$info, Extension $file, $type) {
+  if ($file->getName() == 'test_theme_depending_on_modules') {
+    $new_info = \Drupal::state()->get('test_theme_depending_on_modules.system_info_alter');
+    if ($new_info) {
+      $info = $new_info + $info;
+    }
+  }
+}

core/modules/system/tests/themes/test_theme_depending_on_modules/test_theme_depending_on_modules.info.yml

@@ -0,0 +1,11 @@
+name: Test Theme Depending on Modules
+type: theme
+base theme: stark
+dependencies:
+  - test_module_required_by_theme
+  - test_another_module_required_by_theme
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_depending_on_modules/test_theme_depending_on_modules.post_update.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * @file
+ * Test theme depending on modules post update hooks.
+ */
+
+if (\Drupal::state()->get('test_theme_depending_on_modules.post_update')) {
+
+  /**
+   * Install a dependent module.
+   */
+  function test_theme_depending_on_modules_post_update_module_install(&$sandbox = NULL) {
+    \Drupal::service('module_installer')->install(['test_another_module_required_by_theme']);
+    return 'Post update message from theme post update function';
+  }
+
+}
+
+if (\Drupal::state()->get('test_theme_depending_on_modules.removed_post_updates')) {
+
+  /**
+   * Implements HOOK_removed_post_updates().
+   */
+  function test_theme_depending_on_modules_removed_post_updates() {
+    return [
+      'test_theme_depending_on_modules_post_update_foo' => '3.1',
+    ];
+  }
+
+}

core/modules/system/tests/themes/test_theme_depending_on_nonexisting_module/test_theme_depending_on_nonexisting_module.info.yml

@@ -0,0 +1,11 @@
+name: Test Theme Depending on Nonexisting Module
+type: theme
+base theme: stark
+# version: VERSION
+dependencies:
+  - test_module_non_existing
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_having_veery_long_name_which_is_too_long/test_theme_having_veery_long_name_which_is_too_long.info.yml

@@ -0,0 +1,9 @@
+type: theme
+base theme: stable9
+name: 'Test theme with a too long name'
+# version: VERSION
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_libraries_empty/test_theme_libraries_empty.info.yml

@@ -0,0 +1,11 @@
+name: 'Test theme libraries empty'
+type: theme
+description: 'Test theme with empty libraries in theme.info.yml'
+# version: VERSION
+base theme: starterkit_theme
+libraries:
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_libraries_extend/test_theme_libraries_extend.info.yml

@@ -0,0 +1,19 @@
+name: 'Test theme libraries-extend'
+type: theme
+description: 'Test Theme with libraries-extend'
+# version: VERSION
+base theme: starterkit_theme
+libraries-extend:
+  starterkit_theme/test-navigation:
+    - test_theme_libraries_extend/extend_one
+    - test_theme_libraries_extend/extend_two
+  core/drupal.dialog:
+    - test_theme_libraries_extend/non_existent_library
+  test_theme/collapse:
+    - not_a_string:
+        expected: 'an exception'
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_libraries_extend/test_theme_libraries_extend.libraries.yml

@@ -0,0 +1,11 @@
+extend_one:
+  css:
+    theme:
+      css/extend_1.css: { }
+  js:
+    js/extend_1.js: { }
+
+extend_two:
+  css:
+    theme:
+      css/extend_2.css: { }

core/modules/system/tests/themes/test_theme_libraries_override_with_drupal_settings/test_theme_libraries_override_with_drupal_settings.info.yml

@@ -0,0 +1,16 @@
+name: 'Test theme libraries-override'
+type: theme
+description: 'Theme with drupalSettings libraries-override'
+# version: VERSION
+base theme: starterkit_theme
+libraries-override:
+  # drupalSettings libraries override. Should throw a
+  # \Drupal\Core\Asset\Exception\InvalidLibrariesOverrideSpecificationException.
+  core/drupal.ajax:
+    drupalSettings:
+      ajaxPageState: { }
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_libraries_override_with_invalid_asset/test_theme_libraries_override_with_invalid_asset.info.yml

@@ -0,0 +1,15 @@
+name: 'Test theme libraries-override'
+type: theme
+description: 'Theme with invalid libraries-override asset spec.'
+# version: VERSION
+base theme: starterkit_theme
+libraries-override:
+  # A malformed library asset name. Should throw a
+  # \Drupal\Core\Asset\Exception\InvalidLibrariesOverrideSpecificationException.
+  core/drupal.dialog:
+    css: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_mixed_module_dependencies/test_theme_mixed_module_dependencies.info.yml

@@ -0,0 +1,10 @@
+name: Test Theme with a Module Dependency and Base Theme with a Different Module Dependency
+type: theme
+base theme: test_theme_depending_on_modules
+dependencies:
+  - help
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_nyan_cat_engine/test_theme_nyan_cat_engine.info.yml

@@ -0,0 +1,11 @@
+name: 'Test theme for Nyan Cat engine'
+type: theme
+description: 'Theme for testing the theme system with the Nyan Cat theme engine'
+# version: VERSION
+engine: nyan_cat
+base theme: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_nyan_cat_engine/test_theme_nyan_cat_engine.theme

@@ -0,0 +1,13 @@
+<?php
+
+/**
+ * @file
+ * Test theme.
+ */
+
+/**
+ * Implements hook_preprocess_theme_test_template_test().
+ */
+function test_theme_nyan_cat_engine_preprocess_theme_test_template_test(&$variables) {
+  $variables['kittens'] = 'All of them';
+}

core/modules/system/tests/themes/test_theme_nyan_cat_engine/theme_test.template_test.nyan-cat.html

@@ -0,0 +1 @@
+Success: Template overridden with Nyan Cat theme. 9kittens

core/modules/system/tests/themes/test_theme_settings/test_theme_settings.info.yml

@@ -0,0 +1,10 @@
+name: 'Theme test theme-settings.php'
+type: theme
+description: 'Test theme that extends theme settings options via theme-settings.php file'
+# version: VERSION
+base theme: false
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/modules/system/tests/themes/test_theme_settings/theme-settings.php

@@ -0,0 +1,50 @@
+<?php
+
+/**
+ * @file
+ * Test to ensure theme compatibility with managed files.
+ */
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\file\Entity\File;
+
+/**
+ * Implements hook_form_system_theme_settings_alter().
+ */
+function test_theme_settings_form_system_theme_settings_alter(&$form, FormStateInterface $form_state) {
+  $form['custom_logo'] = [
+    '#type' => 'managed_file',
+    '#title' => t('Secondary logo.'),
+    '#default_value' => theme_get_setting('custom_logo'),
+    '#progress_indicator' => 'bar',
+    '#progress_message'   => t('Processing...'),
+    '#upload_location' => 'public://test',
+    '#upload_validators'  => [
+      'FileExtension' => ['extensions' => 'gif png jpg jpeg'],
+    ],
+  ];
+
+  $form['multi_file'] = [
+    '#type' => 'managed_file',
+    '#title' => t('Multiple file field with all file extensions'),
+    '#multiple' => TRUE,
+    '#default_value' => theme_get_setting('multi_file'),
+    '#upload_location' => 'public://test',
+    '#upload_validators'  => [
+      'FileExtension' => [],
+    ],
+  ];
+
+  $form['#submit'][] = 'test_theme_settings_form_system_theme_settings_submit';
+}
+
+/**
+ * Test theme form settings submission handler.
+ */
+function test_theme_settings_form_system_theme_settings_submit(&$form, FormStateInterface $form_state) {
+  if ($file_id = $form_state->getValue(['custom_logo', '0'])) {
+    $file = File::load($file_id);
+    $file->setPermanent();
+    $file->save();
+  }
+}