class ImageFieldDefaultImagesTest

class ImageFieldDefaultImagesTest extends ImageFieldTestBase {
    use TestFileCreationTrait {
        getTestFiles as drupalGetTestFiles;
        compareFiles as drupalCompareFiles;
    }
    use EntityViewTrait {
        buildEntityView as drupalBuildEntityView;
    }
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'field_ui',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests CRUD for fields and field storages with default images.
     */
    public function testDefaultImages() : void {
        $node_storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('node');
        // Create files to use as the default images.
        $files = $this->drupalGetTestFiles('image');
        // Create 10 files so the default image fids are not a single value.
        for ($i = 1; $i <= 10; $i++) {
            $filename = $this->randomMachineName() . "{$i}";
            $desired_filepath = 'public://' . $filename;
            \Drupal::service('file_system')->copy($files[0]->uri, $desired_filepath, FileExists::Error);
            $file = File::create([
                'uri' => $desired_filepath,
                'filename' => $filename,
                'name' => $filename,
            ]);
            $file->save();
        }
        $default_images = [];
        foreach ([
            'field_storage',
            'field',
            'field2',
            'field_storage_new',
            'field_new',
            'field_storage_private',
            'field_private',
        ] as $image_target) {
            $file = File::create((array) array_pop($files));
            $file->save();
            $default_images[$image_target] = $file;
        }
        // Create an image field storage and add a field to the article content
        // type.
        $field_name = $this->randomMachineName();
        $storage_settings['default_image'] = [
            'uuid' => $default_images['field_storage']->uuid(),
            'alt' => '',
            'title' => '',
            'width' => 0,
            'height' => 0,
        ];
        $field_settings['default_image'] = [
            'uuid' => $default_images['field']->uuid(),
            'alt' => '',
            'title' => '',
            'width' => 0,
            'height' => 0,
        ];
        $widget_settings = [
            'preview_image_style' => 'medium',
        ];
        $field = $this->createImageField($field_name, 'node', 'article', $storage_settings, $field_settings, $widget_settings);
        // The field default image id should be 2.
        $this->assertEquals($default_images['field']->uuid(), $field->getSetting('default_image')['uuid']);
        // Also test \Drupal\field\Entity\FieldConfig::getSettings().
        $this->assertEquals($default_images['field']->uuid(), $field->getSettings()['default_image']['uuid']);
        $field_storage = $field->getFieldStorageDefinition();
        // The field storage default image id should be 1.
        $this->assertEquals($default_images['field_storage']->uuid(), $field_storage->getSetting('default_image')['uuid']);
        // Also test \Drupal\field\Entity\FieldStorageConfig::getSettings().
        $this->assertEquals($default_images['field_storage']->uuid(), $field_storage->getSettings()['default_image']['uuid']);
        // Add another field with another default image to the page content type.
        $field2 = FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'page',
            'label' => $field->label(),
            'required' => $field->isRequired(),
            'settings' => [
                'default_image' => [
                    'uuid' => $default_images['field2']->uuid(),
                    'alt' => '',
                    'title' => '',
                    'width' => 0,
                    'height' => 0,
                ],
            ],
        ]);
        $field2->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $widget_settings = $display_repository->getFormDisplay('node', $field->getTargetBundle())
            ->getComponent($field_name);
        $display_repository->getFormDisplay('node', 'page')
            ->setComponent($field_name, $widget_settings)
            ->save();
        $display_repository->getViewDisplay('node', 'page')
            ->setComponent($field_name)
            ->save();
        // Confirm the defaults are present on the article field storage settings
        // sub-form.
        $field_id = $field->id();
        $this->drupalGet("admin/structure/types/manage/article/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('field_storage[subform][settings][default_image][uuid][fids]', $default_images['field_storage']->id());
        // Confirm the defaults are present on the article field edit form.
        $this->drupalGet("admin/structure/types/manage/article/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('settings[default_image][uuid][fids]', $default_images['field']->id());
        // Confirm the defaults are present on the page field storage settings form.
        $this->drupalGet("admin/structure/types/manage/page/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('field_storage[subform][settings][default_image][uuid][fids]', $default_images['field_storage']->id());
        // Confirm the defaults are present on the page field edit form.
        $field2_id = $field2->id();
        $this->drupalGet("admin/structure/types/manage/page/fields/{$field2_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('settings[default_image][uuid][fids]', $default_images['field2']->id());
        // Confirm that the image default is shown for a new article node.
        $article = $this->drupalCreateNode([
            'type' => 'article',
        ]);
        $article_built = $this->drupalBuildEntityView($article);
        $this->assertEquals($default_images['field']->id(), $article_built[$field_name][0]['#item']->target_id, "A new article node without an image has the expected default image file ID of {$default_images['field']->id()}.");
        // Also check that the field renders without warnings when the label is
        // hidden.
        EntityViewDisplay::load('node.article.default')->setComponent($field_name, [
            'label' => 'hidden',
            'type' => 'image',
        ])
            ->save();
        $this->drupalGet('node/' . $article->id());
        // Confirm that the image default is shown for a new page node.
        $page = $this->drupalCreateNode([
            'type' => 'page',
        ]);
        $page_built = $this->drupalBuildEntityView($page);
        $this->assertEquals($default_images['field2']->id(), $page_built[$field_name][0]['#item']->target_id, "A new page node without an image has the expected default image file ID of {$default_images['field2']->id()}.");
        // Upload a new default for the field storage.
        $default_image_settings = $field_storage->getSetting('default_image');
        $default_image_settings['uuid'] = $default_images['field_storage_new']->uuid();
        $field_storage->setSetting('default_image', $default_image_settings);
        $field_storage->save();
        // Confirm that the new default is used on the article field storage
        // settings form.
        $this->drupalGet("admin/structure/types/manage/article/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('field_storage[subform][settings][default_image][uuid][fids]', $default_images['field_storage_new']->id());
        // Reload the nodes and confirm the field defaults are used.
        $node_storage->resetCache([
            $article->id(),
            $page->id(),
        ]);
        $article_built = $this->drupalBuildEntityView($article = $node_storage->load($article->id()));
        $page_built = $this->drupalBuildEntityView($page = $node_storage->load($page->id()));
        $this->assertEquals($default_images['field']->id(), $article_built[$field_name][0]['#item']->target_id, "An existing article node without an image has the expected default image file ID of {$default_images['field']->id()}.");
        $this->assertEquals($default_images['field2']->id(), $page_built[$field_name][0]['#item']->target_id, "An existing page node without an image has the expected default image file ID of {$default_images['field2']->id()}.");
        // Upload a new default for the article's field.
        $default_image_settings = $field->getSetting('default_image');
        $default_image_settings['uuid'] = $default_images['field_new']->uuid();
        $field->setSetting('default_image', $default_image_settings);
        $field->save();
        // Confirm the new field default is used on the article field admin form.
        $this->drupalGet("admin/structure/types/manage/article/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('settings[default_image][uuid][fids]', $default_images['field_new']->id());
        // Reload the nodes.
        $node_storage->resetCache([
            $article->id(),
            $page->id(),
        ]);
        $article_built = $this->drupalBuildEntityView($article = $node_storage->load($article->id()));
        $page_built = $this->drupalBuildEntityView($page = $node_storage->load($page->id()));
        // Confirm the article uses the new default.
        $this->assertEquals($default_images['field_new']->id(), $article_built[$field_name][0]['#item']->target_id, "An existing article node without an image has the expected default image file ID of {$default_images['field_new']->id()}.");
        // Confirm the page remains unchanged.
        $this->assertEquals($default_images['field2']->id(), $page_built[$field_name][0]['#item']->target_id, "An existing page node without an image has the expected default image file ID of {$default_images['field2']->id()}.");
        // Confirm the default image is shown on the node form.
        $file = File::load($default_images['field_new']->id());
        $this->drupalGet('node/add/article');
        $this->assertSession()
            ->responseContains($file->getFilename());
        // Remove the field default from articles.
        $default_image_settings = $field->getSetting('default_image');
        $default_image_settings['uuid'] = \Drupal::service('uuid')->generate();
        $field->setSetting('default_image', $default_image_settings);
        $field->save();
        // Confirm the article field default has been removed.
        $this->drupalGet("admin/structure/types/manage/article/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('settings[default_image][uuid][fids]', '');
        // Reload the nodes.
        $node_storage->resetCache([
            $article->id(),
            $page->id(),
        ]);
        $article_built = $this->drupalBuildEntityView($article = $node_storage->load($article->id()));
        $page_built = $this->drupalBuildEntityView($page = $node_storage->load($page->id()));
        // Confirm the article uses the new field storage (not field) default.
        $this->assertEquals($default_images['field_storage_new']->id(), $article_built[$field_name][0]['#item']->target_id, "An existing article node without an image has the expected default image file ID of {$default_images['field_storage_new']->id()}.");
        // Confirm the page remains unchanged.
        $this->assertEquals($default_images['field2']->id(), $page_built[$field_name][0]['#item']->target_id, "An existing page node without an image has the expected default image file ID of {$default_images['field2']->id()}.");
        $non_image = $this->drupalGetTestFiles('text');
        $this->submitForm([
            'files[settings_default_image_uuid]' => \Drupal::service('file_system')->realpath($non_image[0]->uri),
        ], 'Upload');
        $this->assertSession()
            ->statusMessageContains('The specified file text-0.txt could not be uploaded.', 'error');
        $this->assertSession()
            ->statusMessageContains('Only files with the following extensions are allowed: png gif jpg jpeg webp.', 'error');
        // Confirm the default image is shown on the node form.
        $file = File::load($default_images['field_storage_new']->id());
        $this->drupalGet('node/add/article');
        $this->assertSession()
            ->responseContains($file->getFilename());
        // Change the default image for the field storage and also change the upload
        // destination to the private filesystem at the same time.
        $default_image_settings = $field_storage->getSetting('default_image');
        $default_image_settings['uuid'] = $default_images['field_storage_private']->uuid();
        $field_storage->setSetting('default_image', $default_image_settings);
        $field_storage->setSetting('uri_scheme', 'private');
        $field_storage->save();
        // Confirm that the new default is used on the article field storage
        // settings sub-form.
        $this->drupalGet("admin/structure/types/manage/article/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('field_storage[subform][settings][default_image][uuid][fids]', $default_images['field_storage_private']->id());
        // Upload a new default for the article's field after setting the field
        // storage upload destination to 'private'.
        $default_image_settings = $field->getSetting('default_image');
        $default_image_settings['uuid'] = $default_images['field_private']->uuid();
        $field->setSetting('default_image', $default_image_settings);
        $field->save();
        // Confirm the new field default is used on the article field admin form.
        $this->drupalGet("admin/structure/types/manage/article/fields/{$field_id}");
        $this->assertSession()
            ->hiddenFieldValueEquals('settings[default_image][uuid][fids]', $default_images['field_private']->id());
    }
    
    /**
     * Tests image field and field storage having an invalid default image.
     */
    public function testInvalidDefaultImage() : void {
        $field_storage = FieldStorageConfig::create([
            'field_name' => $this->randomMachineName(),
            'entity_type' => 'node',
            'type' => 'image',
            'settings' => [
                'default_image' => [
                    'uuid' => 100000,
                ],
            ],
        ]);
        $field_storage->save();
        $settings = $field_storage->getSettings();
        // The non-existent default image should not be saved.
        $this->assertNull($settings['default_image']['uuid']);
        $field = FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'page',
            'label' => $this->randomMachineName(),
            'settings' => [
                'default_image' => [
                    'uuid' => 100000,
                ],
            ],
        ]);
        $field->save();
        $settings = $field->getSettings();
        // The non-existent default image should not be saved.
        $this->assertNull($settings['default_image']['uuid']);
    }

}