From 29f27a71a2d391b9789f395c7818f25ed5d1ebe4 Mon Sep 17 00:00:00 2001
From: Alexander Schranz <alexander@sulu.io>
Date: Thu, 23 Mar 2023 14:36:43 +0100
Subject: [PATCH] Add Shadow Locale to Settings Tab (#238)

* Add Shadow Locale to Settings Tab

* Apply suggestions from code review

Co-authored-by: Prokyonn <daniel.mathis@sector8.eu>

---------

Co-authored-by: Prokyonn <daniel.mathis@sector8.eu>
---
 .../DataMapper/ShadowDataMapper.php           |  43 +++++++
 .../ContentMerger/Merger/ShadowMerger.php     |  42 +++++++
 .../Normalizer/ShadowNormalizer.php           |  45 +++++++
 Content/Domain/Model/ShadowInterface.php      |  39 ++++++
 Content/Domain/Model/ShadowTrait.php          |  68 +++++++++++
 .../Doctrine/MetadataLoader.php               |   8 +-
 .../Sulu/Admin/ContentViewBuilderFactory.php  |  12 ++
 Resources/config/data-mapper.xml              |   4 +
 .../config/forms/content_settings_shadow.xml  |  40 +++++++
 Resources/config/merger.xml                   |   4 +
 Resources/config/normalizer.xml               |   4 +
 Resources/translations/admin.de.json          |   4 +
 Resources/translations/admin.en.json          |   4 +
 .../Entity/ExampleDimensionContent.php        |   5 +-
 .../Integration/responses/example_get.json    |   6 +
 .../responses/example_get_ghost_locale.json   |   4 +
 .../Integration/responses/example_post.json   |   6 +
 .../responses/example_post_publish.json       |   6 +
 .../example_post_trigger_copy_locale.json     |   7 ++
 .../example_post_trigger_unpublish.json       |   6 +
 .../Integration/responses/example_put.json    |   7 ++
 .../DataMapper/ShadowDataMapperTest.php       | 111 ++++++++++++++++++
 .../ContentMerger/Merger/ShadowMergerTest.php |  92 +++++++++++++++
 .../Normalizer/ShadowNormalizerTest.php       |  93 +++++++++++++++
 .../Content/Domain/Model/ShadowTraitTest.php  |  50 ++++++++
 .../Doctrine/MetadataLoaderTest.php           |  14 +++
 .../Admin/ContentViewBuilderFactoryTest.php   |  10 ++
 UPGRADE.md                                    |   9 ++
 phpstan.neon                                  |   1 +
 29 files changed, 742 insertions(+), 2 deletions(-)
 create mode 100644 Content/Application/ContentDataMapper/DataMapper/ShadowDataMapper.php
 create mode 100644 Content/Application/ContentMerger/Merger/ShadowMerger.php
 create mode 100644 Content/Application/ContentNormalizer/Normalizer/ShadowNormalizer.php
 create mode 100644 Content/Domain/Model/ShadowInterface.php
 create mode 100644 Content/Domain/Model/ShadowTrait.php
 create mode 100644 Resources/config/forms/content_settings_shadow.xml
 create mode 100644 Tests/Unit/Content/Application/ContentDataMapper/DataMapper/ShadowDataMapperTest.php
 create mode 100644 Tests/Unit/Content/Application/ContentMerger/Merger/ShadowMergerTest.php
 create mode 100644 Tests/Unit/Content/Application/ContentNormalizer/Normalizer/ShadowNormalizerTest.php
 create mode 100644 Tests/Unit/Content/Domain/Model/ShadowTraitTest.php

diff --git a/Content/Application/ContentDataMapper/DataMapper/ShadowDataMapper.php b/Content/Application/ContentDataMapper/DataMapper/ShadowDataMapper.php
new file mode 100644
index 00000000..ec703703
--- /dev/null
+++ b/Content/Application/ContentDataMapper/DataMapper/ShadowDataMapper.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Content\Application\ContentDataMapper\DataMapper;
+
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
+
+class ShadowDataMapper implements DataMapperInterface
+{
+    public function map(
+        DimensionContentInterface $unlocalizedDimensionContent,
+        DimensionContentInterface $localizedDimensionContent,
+        array $data
+    ): void {
+        if (!$localizedDimensionContent instanceof ShadowInterface) {
+            return;
+        }
+
+        if (\array_key_exists('shadowOn', $data) || \array_key_exists('shadowLocale', $data)) {
+            /** @var bool $shadowOn */
+            $shadowOn = $data['shadowOn'] ?? false;
+            /** @var string|null $shadowLocale */
+            $shadowLocale = $data['shadowLocale'] ?? null;
+
+            $localizedDimensionContent->setShadowLocale(
+                $shadowOn
+                    ? $shadowLocale
+                    : null
+            );
+        }
+    }
+}
diff --git a/Content/Application/ContentMerger/Merger/ShadowMerger.php b/Content/Application/ContentMerger/Merger/ShadowMerger.php
new file mode 100644
index 00000000..4fd84169
--- /dev/null
+++ b/Content/Application/ContentMerger/Merger/ShadowMerger.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Content\Application\ContentMerger\Merger;
+
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
+
+/**
+ * @internal This class should not be instantiated by a project.
+ *           Create your own merger instead.
+ */
+final class ShadowMerger implements MergerInterface
+{
+    public function merge(object $targetObject, object $sourceObject): void
+    {
+        if (!$targetObject instanceof ShadowInterface) {
+            return;
+        }
+
+        if (!$sourceObject instanceof ShadowInterface) {
+            return;
+        }
+
+        if ($shadowLocale = $sourceObject->getShadowLocale()) {
+            $targetObject->setShadowLocale($shadowLocale);
+        }
+
+        foreach ($sourceObject->getShadowLocales() ?: [] as $locale => $shadowLocale) {
+            $targetObject->addShadowLocale($locale, $shadowLocale);
+        }
+    }
+}
diff --git a/Content/Application/ContentNormalizer/Normalizer/ShadowNormalizer.php b/Content/Application/ContentNormalizer/Normalizer/ShadowNormalizer.php
new file mode 100644
index 00000000..5e052315
--- /dev/null
+++ b/Content/Application/ContentNormalizer/Normalizer/ShadowNormalizer.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Content\Application\ContentNormalizer\Normalizer;
+
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
+use Webmozart\Assert\Assert;
+
+class ShadowNormalizer implements NormalizerInterface
+{
+    public function enhance(object $object, array $normalizedData): array
+    {
+        if (!$object instanceof ShadowInterface) {
+            return $normalizedData;
+        }
+
+        Assert::isInstanceOf($object, DimensionContentInterface::class);
+
+        $normalizedData['shadowOn'] = null !== $object->getShadowLocale();
+        $normalizedData['shadowLocales'] = $normalizedData['shadowLocales'] ?? [];
+        $normalizedData['contentLocales'] = $object->getAvailableLocales() ?? []; // TODO should be changed in Sulu Core (PageSettingsShadowLocaleSelect.js)
+
+        return $normalizedData;
+    }
+
+    public function getIgnoredAttributes(object $object): array
+    {
+        if (!$object instanceof ShadowInterface) {
+            return [];
+        }
+
+        return [];
+    }
+}
diff --git a/Content/Domain/Model/ShadowInterface.php b/Content/Domain/Model/ShadowInterface.php
new file mode 100644
index 00000000..49413997
--- /dev/null
+++ b/Content/Domain/Model/ShadowInterface.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Content\Domain\Model;
+
+interface ShadowInterface
+{
+    /**
+     * @internal should only be set by content bundle services not from outside
+     */
+    public function setShadowLocale(?string $shadowLocale): void;
+
+    public function getShadowLocale(): ?string;
+
+    /**
+     * @internal should only be set by content bundle services not from outside
+     */
+    public function addShadowLocale(string $locale, string $shadowLocale): void;
+
+    /**
+     * @internal should only be set by content bundle services not from outside
+     */
+    public function removeShadowLocale(string $locale): void;
+
+    /**
+     * @return array<string, string>|null
+     */
+    public function getShadowLocales(): ?array;
+}
diff --git a/Content/Domain/Model/ShadowTrait.php b/Content/Domain/Model/ShadowTrait.php
new file mode 100644
index 00000000..fb0b436f
--- /dev/null
+++ b/Content/Domain/Model/ShadowTrait.php
@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Content\Domain\Model;
+
+trait ShadowTrait
+{
+    /**
+     * @var string|null
+     */
+    protected $shadowLocale;
+
+    /**
+     * @var string[]|null
+     */
+    protected $shadowLocales = null;
+
+    /**
+     * @internal should only be set by content bundle services not from outside
+     */
+    public function setShadowLocale(?string $shadowLocale): void
+    {
+        $this->shadowLocale = $shadowLocale;
+    }
+
+    public function getShadowLocale(): ?string
+    {
+        return $this->shadowLocale;
+    }
+
+    /**
+     * @internal should only be set by content bundle services not from outside
+     */
+    public function addShadowLocale(string $locale, string $shadowLocale): void
+    {
+        if (null === $this->shadowLocales) {
+            $this->shadowLocales = [];
+        }
+
+        $this->shadowLocales[$locale] = $shadowLocale;
+    }
+
+    /**
+     * @internal should only be set by content bundle services not from outside
+     */
+    public function removeShadowLocale(string $locale): void
+    {
+        unset($this->shadowLocales[$locale]);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    public function getShadowLocales(): ?array
+    {
+        return $this->shadowLocales;
+    }
+}
diff --git a/Content/Infrastructure/Doctrine/MetadataLoader.php b/Content/Infrastructure/Doctrine/MetadataLoader.php
index 8244a7e4..477da89f 100644
--- a/Content/Infrastructure/Doctrine/MetadataLoader.php
+++ b/Content/Infrastructure/Doctrine/MetadataLoader.php
@@ -25,6 +25,7 @@
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\ExcerptInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\SeoInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\TemplateInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\WebspaceInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\WorkflowInterface;
@@ -53,7 +54,7 @@ public function loadClassMetadata(LoadClassMetadataEventArgs $event): void
             $this->addField($metadata, 'stage', 'string', ['length' => 16, 'nullable' => false]);
             $this->addField($metadata, 'locale', 'string', ['length' => 7, 'nullable' => true]);
             $this->addField($metadata, 'ghostLocale', 'string', ['length' => 7, 'nullable' => true]);
-            $this->addField($metadata, 'availableLocales', 'json', ['nullable' => true]);
+            $this->addField($metadata, 'availableLocales', 'json', ['nullable' => true, 'options' => ['jsonb' => true]]);
             $this->addIndex($metadata, 'idx_dimension', ['stage', 'locale']);
             $this->addIndex($metadata, 'idx_locale', ['locale']);
             $this->addIndex($metadata, 'idx_stage', ['stage']);
@@ -110,6 +111,11 @@ public function loadClassMetadata(LoadClassMetadataEventArgs $event): void
             $this->addField($metadata, 'mainWebspace', 'string', ['nullable' => true]);
         }
 
+        if ($reflection->implementsInterface(ShadowInterface::class)) {
+            $this->addField($metadata, 'shadowLocale', 'string', ['length' => 7, 'nullable' => true]);
+            $this->addField($metadata, 'shadowLocales', 'json', ['nullable' => true, 'options' => ['jsonb' => true]]);
+        }
+
         if ($reflection->implementsInterface(AuthorInterface::class)) {
             $this->addField($metadata, 'authored', 'datetime_immutable', ['nullable' => true]);
             $this->addManyToOne($event, $metadata, 'author', ContactInterface::class, true);
diff --git a/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactory.php b/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactory.php
index 5be50ab5..6f79fc54 100644
--- a/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactory.php
+++ b/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactory.php
@@ -22,12 +22,16 @@
 use Sulu\Bundle\ContentBundle\Content\Application\ContentMetadataInspector\ContentMetadataInspectorInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\ExcerptInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\SeoInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\TemplateInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\WorkflowInterface;
 use Sulu\Bundle\PreviewBundle\Preview\Object\PreviewObjectProviderRegistryInterface;
 use Sulu\Component\Security\Authorization\PermissionTypes;
 use Sulu\Component\Security\Authorization\SecurityCheckerInterface;
 
+/**
+ * @final
+ */
 class ContentViewBuilderFactory implements ContentViewBuilderFactoryInterface
 {
     /**
@@ -217,6 +221,14 @@ public function createViews(
                 );
             }
 
+            if (\is_subclass_of($dimensionContentClass, ShadowInterface::class)) {
+                foreach ($views as $view) {
+                    if ($view instanceof FormViewBuilderInterface || $view instanceof PreviewFormViewBuilderInterface) {
+                        $view->setTabCondition('shadowOn != true');
+                    }
+                }
+            }
+
             $views[] = $this->createSettingsFormView(
                 $editParentView,
                 $previewEnabled,
diff --git a/Resources/config/data-mapper.xml b/Resources/config/data-mapper.xml
index 138e2a6e..d4a7cfd5 100644
--- a/Resources/config/data-mapper.xml
+++ b/Resources/config/data-mapper.xml
@@ -38,6 +38,10 @@
             <tag name="sulu_content.data_mapper" priority="8"/>
         </service>
 
+        <service id="sulu_content.shadow_data_mapper" class="Sulu\Bundle\ContentBundle\Content\Application\ContentDataMapper\DataMapper\ShadowDataMapper">
+            <tag name="sulu_content.data_mapper" priority="4"/>
+        </service>
+
         <service id="sulu_content.route_data_mapper" class="Sulu\Bundle\ContentBundle\Content\Application\ContentDataMapper\DataMapper\RoutableDataMapper">
             <argument type="service" id="sulu_page.structure.factory"/>
             <argument type="service" id="sulu_route.generator.route_generator"/>
diff --git a/Resources/config/forms/content_settings_shadow.xml b/Resources/config/forms/content_settings_shadow.xml
new file mode 100644
index 00000000..a9547f4e
--- /dev/null
+++ b/Resources/config/forms/content_settings_shadow.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" ?>
+<form xmlns="http://schemas.sulu.io/template/template"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://schemas.sulu.io/template/template http://schemas.sulu.io/template/form-1.0.xsd"
+>
+    <key>content_settings_shadow</key>
+
+    <tag name="sulu_content.content_settings_form" instanceOf="Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface" priority="-40"/>
+
+    <properties>
+        <section name="shadow">
+            <meta>
+                <title>sulu_content.shadow_page</title>
+            </meta>
+
+            <properties>
+                <property name="shadowOn" type="checkbox" disabledCondition="shadowLocales and __locale in shadowLocales|values">
+                    <meta>
+                        <info_text>sulu_content.enable_shadow_page_info_text</info_text>
+                    </meta>
+
+                    <params>
+                        <param name="type" value="toggler" />
+                        <param name="label">
+                            <meta>
+                                <title>sulu_content.enable_shadow_page</title>
+                            </meta>
+                        </param>
+                    </params>
+                </property>
+
+                <property name="shadowLocale" type="page_settings_shadow_locale_select" colspan="6" visibleCondition="shadowOn == true">
+                    <meta>
+                        <title>sulu_content.shadow_locale</title>
+                    </meta>
+                </property>
+            </properties>
+        </section>
+    </properties>
+</form>
diff --git a/Resources/config/merger.xml b/Resources/config/merger.xml
index c5778c46..00cfb003 100644
--- a/Resources/config/merger.xml
+++ b/Resources/config/merger.xml
@@ -31,5 +31,9 @@
         <service id="sulu_content.author_merger" class="Sulu\Bundle\ContentBundle\Content\Application\ContentMerger\Merger\AuthorMerger">
             <tag name="sulu_content.merger" priority="8"/>
         </service>
+
+        <service id="sulu_content.shadow_merger" class="Sulu\Bundle\ContentBundle\Content\Application\ContentMerger\Merger\ShadowMerger">
+            <tag name="sulu_content.merger" priority="4"/>
+        </service>
     </services>
 </container>
diff --git a/Resources/config/normalizer.xml b/Resources/config/normalizer.xml
index 28a5c5a6..35ba9e83 100644
--- a/Resources/config/normalizer.xml
+++ b/Resources/config/normalizer.xml
@@ -27,5 +27,9 @@
         <service id="sulu_content.author_normalizer" class="Sulu\Bundle\ContentBundle\Content\Application\ContentNormalizer\Normalizer\AuthorNormalizer">
             <tag name="sulu_content.normalizer" priority="8"/>
         </service>
+
+        <service id="sulu_content.shadow_normalizer" class="Sulu\Bundle\ContentBundle\Content\Application\ContentNormalizer\Normalizer\ShadowNormalizer">
+            <tag name="sulu_content.normalizer" priority="4"/>
+        </service>
     </services>
 </container>
diff --git a/Resources/translations/admin.de.json b/Resources/translations/admin.de.json
index 15532002..6bc4b705 100644
--- a/Resources/translations/admin.de.json
+++ b/Resources/translations/admin.de.json
@@ -5,6 +5,10 @@
     "sulu_content.published": "Veröffentlicht am",
     "sulu_content.author": "Autor",
     "sulu_content.authored_date": "Verfasst am",
+    "sulu_content.shadow_page": "Shadow Seite",
+    "sulu_content.enable_shadow_page": "Shadow Seite aktivieren",
+    "sulu_content.enable_shadow_page_info_text": "Diese Funktion ist deaktiviert, wenn die aktuelle Sprache bereits als Shadow verwendet wird.",
+    "sulu_content.shadow_locale": "Shadow Sprache",
     "sulu_content.webspace": "Webspace",
     "sulu_content.main_webspace": "Hauptwebspace",
     "sulu_content.additional_webspaces": "Weitere Webspaces"
diff --git a/Resources/translations/admin.en.json b/Resources/translations/admin.en.json
index 74ed95e1..d7db66b2 100644
--- a/Resources/translations/admin.en.json
+++ b/Resources/translations/admin.en.json
@@ -5,6 +5,10 @@
     "sulu_content.published": "Published on",
     "sulu_content.author": "Author",
     "sulu_content.authored_date": "Authored Date",
+    "sulu_content.shadow_page": "Shadow page",
+    "sulu_content.enable_shadow_page": "Enable Shadow page",
+    "sulu_content.enable_shadow_page_info_text": "This function is disabled if the current locale is already used as shadow locale.",
+    "sulu_content.shadow_locale": "Shadow locale",
     "sulu_content.webspace": "Webspace",
     "sulu_content.main_webspace": "Main Webspace",
     "sulu_content.additional_webspaces": "Weitere Webspaces"
diff --git a/Tests/Application/ExampleTestBundle/Entity/ExampleDimensionContent.php b/Tests/Application/ExampleTestBundle/Entity/ExampleDimensionContent.php
index 060408d8..b2438341 100644
--- a/Tests/Application/ExampleTestBundle/Entity/ExampleDimensionContent.php
+++ b/Tests/Application/ExampleTestBundle/Entity/ExampleDimensionContent.php
@@ -24,6 +24,8 @@
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\RoutableTrait;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\SeoInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\SeoTrait;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowTrait;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\TemplateInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\TemplateTrait;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\WebspaceInterface;
@@ -34,13 +36,14 @@
 /**
  * @implements DimensionContentInterface<Example>
  */
-class ExampleDimensionContent implements DimensionContentInterface, ExcerptInterface, SeoInterface, TemplateInterface, RoutableInterface, WorkflowInterface, AuthorInterface, WebspaceInterface
+class ExampleDimensionContent implements DimensionContentInterface, ExcerptInterface, SeoInterface, TemplateInterface, RoutableInterface, WorkflowInterface, AuthorInterface, WebspaceInterface, ShadowInterface
 {
     use AuthorTrait;
     use DimensionContentTrait;
     use ExcerptTrait;
     use RoutableTrait;
     use SeoTrait;
+    use ShadowTrait;
     use TemplateTrait {
         setTemplateData as parentSetTemplateData;
     }
diff --git a/Tests/Functional/Integration/responses/example_get.json b/Tests/Functional/Integration/responses/example_get.json
index 1652a886..00aa7a07 100644
--- a/Tests/Functional/Integration/responses/example_get.json
+++ b/Tests/Functional/Integration/responses/example_get.json
@@ -4,6 +4,9 @@
     "availableLocales": [
         "en"
     ],
+    "contentLocales": [
+        "en"
+    ],
     "excerptCategories": [],
     "excerptDescription": "Excerpt Description",
     "excerptIcon": null,
@@ -28,6 +31,9 @@
     "seoNoFollow": true,
     "seoNoIndex": true,
     "seoTitle": "Seo Title",
+    "shadowLocale": null,
+    "shadowLocales": [],
+    "shadowOn": false,
     "stage": "draft",
     "template": "example-2",
     "title": "Test Example",
diff --git a/Tests/Functional/Integration/responses/example_get_ghost_locale.json b/Tests/Functional/Integration/responses/example_get_ghost_locale.json
index d86ea55a..99727b2a 100644
--- a/Tests/Functional/Integration/responses/example_get_ghost_locale.json
+++ b/Tests/Functional/Integration/responses/example_get_ghost_locale.json
@@ -2,6 +2,7 @@
     "author": null,
     "authored": null,
     "availableLocales": ["en"],
+    "contentLocales": ["en"],
     "excerptCategories": [],
     "excerptDescription": null,
     "excerptIcon": null,
@@ -22,6 +23,9 @@
     "seoNoFollow": false,
     "seoNoIndex": false,
     "seoTitle": null,
+    "shadowLocale": null,
+    "shadowLocales": [],
+    "shadowOn": false,
     "stage": "draft",
     "template": null,
     "title": null,
diff --git a/Tests/Functional/Integration/responses/example_post.json b/Tests/Functional/Integration/responses/example_post.json
index d68da06a..30d31e1b 100644
--- a/Tests/Functional/Integration/responses/example_post.json
+++ b/Tests/Functional/Integration/responses/example_post.json
@@ -4,6 +4,9 @@
     "availableLocales": [
         "en"
     ],
+    "contentLocales": [
+        "en"
+    ],
     "excerptCategories": [],
     "excerptDescription": "Excerpt Description",
     "excerptIcon": null,
@@ -27,6 +30,9 @@
     "seoNoFollow": true,
     "seoNoIndex": true,
     "seoTitle": "Seo Title",
+    "shadowLocale": null,
+    "shadowLocales": [],
+    "shadowOn": false,
     "stage": "draft",
     "template": "example-2",
     "title": "Test Example",
diff --git a/Tests/Functional/Integration/responses/example_post_publish.json b/Tests/Functional/Integration/responses/example_post_publish.json
index 868de249..1fcfbf81 100644
--- a/Tests/Functional/Integration/responses/example_post_publish.json
+++ b/Tests/Functional/Integration/responses/example_post_publish.json
@@ -4,6 +4,9 @@
     "availableLocales": [
         "en"
     ],
+    "contentLocales": [
+        "en"
+    ],
     "excerptCategories": [],
     "excerptDescription": "Excerpt Description",
     "excerptIcon": null,
@@ -27,6 +30,9 @@
     "seoNoFollow": true,
     "seoNoIndex": true,
     "seoTitle": "Seo Title",
+    "shadowLocale": null,
+    "shadowLocales": [],
+    "shadowOn": false,
     "stage": "draft",
     "template": "example-2",
     "title": "Test Example",
diff --git a/Tests/Functional/Integration/responses/example_post_trigger_copy_locale.json b/Tests/Functional/Integration/responses/example_post_trigger_copy_locale.json
index 8ba1161e..88c9a53a 100644
--- a/Tests/Functional/Integration/responses/example_post_trigger_copy_locale.json
+++ b/Tests/Functional/Integration/responses/example_post_trigger_copy_locale.json
@@ -5,6 +5,10 @@
         "en",
         "de"
     ],
+    "contentLocales": [
+        "en",
+        "de"
+    ],
     "excerptCategories": [],
     "excerptDescription": "Excerpt Description",
     "excerptIcon": null,
@@ -29,6 +33,9 @@
     "seoNoFollow": true,
     "seoNoIndex": true,
     "seoTitle": "Seo Title",
+    "shadowLocale": null,
+    "shadowLocales": [],
+    "shadowOn": false,
     "stage": "draft",
     "template": "example-2",
     "title": "Test Example",
diff --git a/Tests/Functional/Integration/responses/example_post_trigger_unpublish.json b/Tests/Functional/Integration/responses/example_post_trigger_unpublish.json
index 10c26a31..bfa1a3cd 100644
--- a/Tests/Functional/Integration/responses/example_post_trigger_unpublish.json
+++ b/Tests/Functional/Integration/responses/example_post_trigger_unpublish.json
@@ -4,6 +4,9 @@
     "availableLocales": [
         "en"
     ],
+    "contentLocales": [
+        "en"
+    ],
     "excerptCategories": [],
     "excerptDescription": "Excerpt Description",
     "excerptIcon": null,
@@ -27,6 +30,9 @@
     "seoNoFollow": true,
     "seoNoIndex": true,
     "seoTitle": "Seo Title",
+    "shadowLocale": null,
+    "shadowLocales": [],
+    "shadowOn": false,
     "stage": "draft",
     "template": "example-2",
     "title": "Test Example",
diff --git a/Tests/Functional/Integration/responses/example_put.json b/Tests/Functional/Integration/responses/example_put.json
index 70db621d..31644c04 100644
--- a/Tests/Functional/Integration/responses/example_put.json
+++ b/Tests/Functional/Integration/responses/example_put.json
@@ -6,6 +6,10 @@
         "en",
         "de"
     ],
+    "contentLocales": [
+        "en",
+        "de"
+    ],
     "blocks": null,
     "description": null,
     "excerptCategories": [],
@@ -31,6 +35,9 @@
     "seoNoFollow": false,
     "seoNoIndex": false,
     "seoTitle": "Seo Title 2",
+    "shadowLocale": null,
+    "shadowLocales": [],
+    "shadowOn": false,
     "stage": "draft",
     "template": "default",
     "title": "Test Example 2",
diff --git a/Tests/Unit/Content/Application/ContentDataMapper/DataMapper/ShadowDataMapperTest.php b/Tests/Unit/Content/Application/ContentDataMapper/DataMapper/ShadowDataMapperTest.php
new file mode 100644
index 00000000..a82b46f6
--- /dev/null
+++ b/Tests/Unit/Content/Application/ContentDataMapper/DataMapper/ShadowDataMapperTest.php
@@ -0,0 +1,111 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Tests\Unit\Content\Application\ContentDataMapper\DataMapper;
+
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Sulu\Bundle\ContentBundle\Content\Application\ContentDataMapper\DataMapper\ShadowDataMapper;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
+use Sulu\Bundle\ContentBundle\Tests\Application\ExampleTestBundle\Entity\Example;
+use Sulu\Bundle\ContentBundle\Tests\Application\ExampleTestBundle\Entity\ExampleDimensionContent;
+
+class ShadowDataMapperTest extends TestCase
+{
+    use ProphecyTrait;
+
+    protected function createShadowDataMapperInstance(): ShadowDataMapper
+    {
+        return new ShadowDataMapper();
+    }
+
+    public function testMapNoAuthorInterface(): void
+    {
+        $data = [
+            'shadowOn' => true,
+            'shadowLocale' => 'en',
+        ];
+
+        $unlocalizedDimensionContent = $this->prophesize(DimensionContentInterface::class);
+        $localizedDimensionContent = $this->prophesize(DimensionContentInterface::class);
+
+        $shadowMapper = $this->createShadowDataMapperInstance();
+        $shadowMapper->map($unlocalizedDimensionContent->reveal(), $localizedDimensionContent->reveal(), $data);
+
+        $this->assertTrue(true); // nothing called in this case
+    }
+
+    public function testMapShadowNoData(): void
+    {
+        $data = [];
+
+        $example = new Example();
+        $unlocalizedDimensionContent = new ExampleDimensionContent($example);
+        $localizedDimensionContent = new ExampleDimensionContent($example);
+
+        $shadowMapper = $this->createShadowDataMapperInstance();
+        $shadowMapper->map($unlocalizedDimensionContent, $localizedDimensionContent, $data);
+
+        $this->assertNull($localizedDimensionContent->getShadowLocale());
+    }
+
+    public function testMapShadowNoDataExistData(): void
+    {
+        $data = [];
+
+        $example = new Example();
+        $unlocalizedDimensionContent = new ExampleDimensionContent($example);
+        $localizedDimensionContent = new ExampleDimensionContent($example);
+        $localizedDimensionContent->setShadowLocale('en');
+
+        $shadowMapper = $this->createShadowDataMapperInstance();
+        $shadowMapper->map($unlocalizedDimensionContent, $localizedDimensionContent, $data);
+
+        $this->assertSame('en', $localizedDimensionContent->getShadowLocale());
+    }
+
+    public function testMapData(): void
+    {
+        $data = [
+            'shadowOn' => true,
+            'shadowLocale' => 'en',
+        ];
+
+        $example = new Example();
+        $unlocalizedDimensionContent = new ExampleDimensionContent($example);
+        $localizedDimensionContent = new ExampleDimensionContent($example);
+
+        $shadowMapper = $this->createShadowDataMapperInstance();
+        $shadowMapper->map($unlocalizedDimensionContent, $localizedDimensionContent, $data);
+
+        $this->assertSame('en', $localizedDimensionContent->getShadowLocale());
+    }
+
+    public function testMapDataNull(): void
+    {
+        $data = [
+            'shadowOn' => null,
+            'shadowLocale' => null,
+        ];
+
+        $example = new Example();
+        $unlocalizedDimensionContent = new ExampleDimensionContent($example);
+        $localizedDimensionContent = new ExampleDimensionContent($example);
+        $localizedDimensionContent->setShadowLocale(null);
+
+        $shadowMapper = $this->createShadowDataMapperInstance();
+        $shadowMapper->map($unlocalizedDimensionContent, $localizedDimensionContent, $data);
+
+        $this->assertNull($localizedDimensionContent->getShadowLocale());
+    }
+}
diff --git a/Tests/Unit/Content/Application/ContentMerger/Merger/ShadowMergerTest.php b/Tests/Unit/Content/Application/ContentMerger/Merger/ShadowMergerTest.php
new file mode 100644
index 00000000..b35008ee
--- /dev/null
+++ b/Tests/Unit/Content/Application/ContentMerger/Merger/ShadowMergerTest.php
@@ -0,0 +1,92 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Tests\Unit\Content\Application\ContentMerger\Merger;
+
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Sulu\Bundle\ContentBundle\Content\Application\ContentMerger\Merger\MergerInterface;
+use Sulu\Bundle\ContentBundle\Content\Application\ContentMerger\Merger\ShadowMerger;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
+
+class ShadowMergerTest extends TestCase
+{
+    use ProphecyTrait;
+
+    protected function getShadowMergerInstance(): MergerInterface
+    {
+        return new ShadowMerger();
+    }
+
+    public function testMergeSourceNotImplementShadowInterface(): void
+    {
+        $merger = $this->getShadowMergerInstance();
+
+        $source = $this->prophesize(DimensionContentInterface::class);
+
+        $target = $this->prophesize(DimensionContentInterface::class);
+        $target->willImplement(ShadowInterface::class);
+        $target->setShadowLocale(Argument::any())->shouldNotBeCalled();
+
+        $merger->merge($target->reveal(), $source->reveal());
+    }
+
+    public function testMergeTargetNotImplementShadowInterface(): void
+    {
+        $merger = $this->getShadowMergerInstance();
+
+        $source = $this->prophesize(DimensionContentInterface::class);
+        $source->willImplement(ShadowInterface::class);
+        $source->getShadowLocale(Argument::any())->shouldNotBeCalled();
+
+        $target = $this->prophesize(DimensionContentInterface::class);
+
+        $merger->merge($target->reveal(), $source->reveal());
+    }
+
+    public function testMergeSet(): void
+    {
+        $merger = $this->getShadowMergerInstance();
+
+        $source = $this->prophesize(DimensionContentInterface::class);
+        $source->willImplement(ShadowInterface::class);
+        $source->getShadowLocale()->willReturn('en')->shouldBeCalled();
+        $source->getShadowLocales()->willReturn(['de' => 'en'])->shouldBeCalled();
+
+        $target = $this->prophesize(DimensionContentInterface::class);
+        $target->willImplement(ShadowInterface::class);
+        $target->setShadowLocale('en')->shouldBeCalled();
+        $target->addShadowLocale('de', 'en')->shouldBeCalled();
+
+        $merger->merge($target->reveal(), $source->reveal());
+    }
+
+    public function testMergeNotSet(): void
+    {
+        $merger = $this->getShadowMergerInstance();
+
+        $source = $this->prophesize(DimensionContentInterface::class);
+        $source->willImplement(ShadowInterface::class);
+        $source->getShadowLocale()->willReturn(null)->shouldBeCalled();
+        $source->getShadowLocales()->willReturn(null)->shouldBeCalled();
+
+        $target = $this->prophesize(DimensionContentInterface::class);
+        $target->willImplement(ShadowInterface::class);
+        $target->setShadowLocale(Argument::any())->shouldNotBeCalled();
+        $target->addShadowLocale(Argument::any())->shouldNotBeCalled();
+
+        $merger->merge($target->reveal(), $source->reveal());
+    }
+}
diff --git a/Tests/Unit/Content/Application/ContentNormalizer/Normalizer/ShadowNormalizerTest.php b/Tests/Unit/Content/Application/ContentNormalizer/Normalizer/ShadowNormalizerTest.php
new file mode 100644
index 00000000..9567018b
--- /dev/null
+++ b/Tests/Unit/Content/Application/ContentNormalizer/Normalizer/ShadowNormalizerTest.php
@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Tests\Unit\Content\Application\ContentNormalizer\Normalizer;
+
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Sulu\Bundle\ContentBundle\Content\Application\ContentNormalizer\Normalizer\ShadowNormalizer;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
+
+class ShadowNormalizerTest extends TestCase
+{
+    use ProphecyTrait;
+
+    protected function createShadowNormalizerInstance(): ShadowNormalizer
+    {
+        return new ShadowNormalizer();
+    }
+
+    public function testIgnoredAttributesNotImplementShadowInterface(): void
+    {
+        $normalizer = $this->createShadowNormalizerInstance();
+        $object = $this->prophesize(\stdClass::class);
+
+        $this->assertSame(
+            [],
+            $normalizer->getIgnoredAttributes($object->reveal())
+        );
+    }
+
+    public function testIgnoredAttributes(): void
+    {
+        $normalizer = $this->createShadowNormalizerInstance();
+        $object = $this->prophesize(ShadowInterface::class);
+
+        $this->assertSame(
+            [],
+            $normalizer->getIgnoredAttributes($object->reveal())
+        );
+    }
+
+    public function testEnhanceNotImplementShadowInterface(): void
+    {
+        $normalizer = $this->createShadowNormalizerInstance();
+        $object = $this->prophesize(\stdClass::class);
+
+        $data = [];
+
+        $this->assertSame(
+            $data,
+            $normalizer->enhance($object->reveal(), $data)
+        );
+    }
+
+    public function testEnhance(): void
+    {
+        $normalizer = $this->createShadowNormalizerInstance();
+        $object = $this->prophesize(DimensionContentInterface::class);
+        $object->willImplement(ShadowInterface::class);
+        $object->getAvailableLocales()->willReturn(['en', 'de']);
+        $object->getShadowLocale()->willReturn('en');
+
+        $data = [
+            'availableLocales' => ['en', 'de'],
+            'shadowLocale' => 'en',
+            'shadowLocales' => ['de' => 'en'],
+        ];
+
+        $expectedResult = [
+            'availableLocales' => ['en', 'de'],
+            'shadowLocale' => 'en',
+            'shadowLocales' => ['de' => 'en'],
+            'shadowOn' => true,
+            'contentLocales' => ['en', 'de'],
+        ];
+
+        $this->assertSame(
+            $expectedResult,
+            $normalizer->enhance($object->reveal(), $data)
+        );
+    }
+}
diff --git a/Tests/Unit/Content/Domain/Model/ShadowTraitTest.php b/Tests/Unit/Content/Domain/Model/ShadowTraitTest.php
new file mode 100644
index 00000000..b0417a29
--- /dev/null
+++ b/Tests/Unit/Content/Domain/Model/ShadowTraitTest.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Sulu.
+ *
+ * (c) Sulu GmbH
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Sulu\Bundle\ContentBundle\Tests\Unit\Content\Domain\Model;
+
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowTrait;
+
+class ShadowTraitTest extends TestCase
+{
+    use ProphecyTrait;
+
+    protected function getShadowInstance(): ShadowInterface
+    {
+        return new class() implements ShadowInterface {
+            use ShadowTrait;
+        };
+    }
+
+    public function testGetSetShadowLocale(): void
+    {
+        $model = $this->getShadowInstance();
+        $this->assertNull($model->getShadowLocale());
+        $model->setShadowLocale('en');
+        $this->assertSame('en', $model->getShadowLocale());
+    }
+
+    public function testAddRemoveShadowLocales(): void
+    {
+        $model = $this->getShadowInstance();
+        $Shadowed = new \DateTimeImmutable('2020-05-08T00:00:00+00:00');
+        $this->assertNull($model->getShadowLocales());
+        $model->addShadowLocale('de', 'en');
+        $this->assertSame(['de' => 'en'], $model->getShadowLocales());
+        $model->removeShadowLocale('de');
+        $this->assertSame([], $model->getShadowLocales());
+    }
+}
diff --git a/Tests/Unit/Content/Infrastructure/Doctrine/MetadataLoaderTest.php b/Tests/Unit/Content/Infrastructure/Doctrine/MetadataLoaderTest.php
index bfb02fc1..7eef7285 100644
--- a/Tests/Unit/Content/Infrastructure/Doctrine/MetadataLoaderTest.php
+++ b/Tests/Unit/Content/Infrastructure/Doctrine/MetadataLoaderTest.php
@@ -26,6 +26,7 @@
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\ExcerptInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\SeoInterface;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\ShadowInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\TemplateInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\WebspaceInterface;
 use Sulu\Bundle\ContentBundle\Content\Domain\Model\WorkflowInterface;
@@ -71,6 +72,7 @@ public function testInvalidMetadata(array $interfaces, array $fields, array $man
         $reflectionClass->implementsInterface(WorkflowInterface::class)->willReturn(\in_array(WorkflowInterface::class, $interfaces, true));
         $reflectionClass->implementsInterface(WebspaceInterface::class)->willReturn(\in_array(WebspaceInterface::class, $interfaces, true));
         $reflectionClass->implementsInterface(AuthorInterface::class)->willReturn(\in_array(AuthorInterface::class, $interfaces, true));
+        $reflectionClass->implementsInterface(ShadowInterface::class)->willReturn(\in_array(ShadowInterface::class, $interfaces, true));
 
         foreach ($interfaces as $interface) {
             $reflectionClass->implementsInterface($interface)->willReturn(true);
@@ -262,5 +264,17 @@ public function dataProvider(): \Generator
             [],
             [],
         ];
+
+        yield [
+            [
+                ShadowInterface::class,
+            ],
+            [
+                'shadowLocale' => false,
+                'shadowLocales' => false,
+            ],
+            [],
+            [],
+        ];
     }
 }
diff --git a/Tests/Unit/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactoryTest.php b/Tests/Unit/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactoryTest.php
index 38456251..0141cc45 100644
--- a/Tests/Unit/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactoryTest.php
+++ b/Tests/Unit/Content/Infrastructure/Sulu/Admin/ContentViewBuilderFactoryTest.php
@@ -140,18 +140,27 @@ public function testCreateViews(): void
         $this->assertInstanceOf(FormViewBuilderInterface::class, $views[0]);
         $this->assertSame('add_parent_key.content', $views[0]->getName());
         $this->assertSame(Example::TEMPLATE_TYPE, $views[0]->getView()->getOption('formKey'));
+        $this->assertSame('shadowOn != true', $views[0]->getView()->getOption('tabCondition'));
 
         $this->assertInstanceOf(FormViewBuilderInterface::class, $views[1]);
         $this->assertSame('edit_parent_key.content', $views[1]->getName());
         $this->assertSame(Example::TEMPLATE_TYPE, $views[1]->getView()->getOption('formKey'));
+        $this->assertSame('shadowOn != true', $views[1]->getView()->getOption('tabCondition'));
 
         $this->assertInstanceOf(FormViewBuilderInterface::class, $views[2]);
         $this->assertSame('edit_parent_key.seo', $views[2]->getName());
         $this->assertSame('content_seo', $views[2]->getView()->getOption('formKey'));
+        $this->assertSame('shadowOn != true', $views[2]->getView()->getOption('tabCondition'));
 
         $this->assertInstanceOf(FormViewBuilderInterface::class, $views[3]);
         $this->assertSame('edit_parent_key.excerpt', $views[3]->getName());
         $this->assertSame('content_excerpt', $views[3]->getView()->getOption('formKey'));
+        $this->assertSame('shadowOn != true', $views[3]->getView()->getOption('tabCondition'));
+
+        $this->assertInstanceOf(FormViewBuilderInterface::class, $views[4]);
+        $this->assertSame('edit_parent_key.settings', $views[4]->getName());
+        $this->assertSame('content_settings', $views[4]->getView()->getOption('formKey'));
+        $this->assertNull($views[4]->getView()->getOption('tabCondition'));
     }
 
     public function testCreateViewsWithPreview(): void
@@ -187,6 +196,7 @@ public function testCreateViewsWithPreview(): void
         $this->assertInstanceOf(PreviewFormViewBuilderInterface::class, $views[0]);
         $this->assertInstanceOf(PreviewFormViewBuilderInterface::class, $views[1]);
         $this->assertInstanceOf(PreviewFormViewBuilderInterface::class, $views[2]);
+        $this->assertInstanceOf(PreviewFormViewBuilderInterface::class, $views[3]);
     }
 
     /**
diff --git a/UPGRADE.md b/UPGRADE.md
index ae75c503..1bf0b47c 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -2,6 +2,15 @@
 
 ## 0.7.0
 
+### Add shadowLocale and shadowLocales fields
+
+To support shadow feature of sulu shadowLocale and shadowLocales fields need to be added to
+the dimension content tables.
+
+```sql
+ALTER TABLE test_example_dimension_contents ADD shadowLocale VARCHAR(7) DEFAULT NULL, ADD shadowLocales JSON DEFAULT NULL; -- replace `test_example_dimension_contents` with your table
+```
+
 ### Add ghostLocale and availableLocales field
 
 To support multi localization feature of sulu a ghostLocale need to be added to
diff --git a/phpstan.neon b/phpstan.neon
index 8422236b..137738bb 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -16,6 +16,7 @@ parameters:
         - %currentWorkingDirectory%/vendor/*
         - %currentWorkingDirectory%/Tests/Application/Kernel.php
         - %currentWorkingDirectory%/Tests/Application/var/*
+        - %currentWorkingDirectory%/Tests/Application/assets/*
         - %currentWorkingDirectory%/Tests/Unit/Mocks/*
     symfony:
         containerXmlPath: %currentWorkingDirectory%/Tests/Application/var/cache/admin/dev/Sulu_Bundle_ContentBundle_Tests_Application_KernelDevDebugContainer.xml