Chris@16: <?php
Chris@16: 
Chris@16: namespace Drupal\Tests\image\Functional;
Chris@16: 
Chris@18: use Drupal\Core\Url;
Chris@16: use Drupal\Core\Field\FieldStorageDefinitionInterface;
Chris@16: use Drupal\field\Entity\FieldStorageConfig;
Chris@16: use Drupal\Tests\TestFileCreationTrait;
Chris@18: use Drupal\Tests\system\Functional\Cache\AssertPageCacheContextsAndTagsTrait;
Chris@16: use Drupal\user\RoleInterface;
Chris@16: use Drupal\image\Entity\ImageStyle;
Chris@16: 
Chris@16: /**
Chris@16:  * Tests the display of image fields.
Chris@16:  *
Chris@16:  * @group image
Chris@16:  */
Chris@16: class ImageFieldDisplayTest extends ImageFieldTestBase {
Chris@16: 
Chris@16:   use AssertPageCacheContextsAndTagsTrait;
Chris@16:   use TestFileCreationTrait {
Chris@16:     getTestFiles as drupalGetTestFiles;
Chris@16:     compareFiles as drupalCompareFiles;
Chris@16:   }
Chris@16: 
Chris@16:   protected $dumpHeaders = TRUE;
Chris@16: 
Chris@16:   /**
Chris@16:    * Modules to enable.
Chris@16:    *
Chris@16:    * @var array
Chris@16:    */
Chris@16:   public static $modules = ['field_ui'];
Chris@16: 
Chris@16:   /**
Chris@16:    * Test image formatters on node display for public files.
Chris@16:    */
Chris@16:   public function testImageFieldFormattersPublic() {
Chris@16:     $this->_testImageFieldFormatters('public');
Chris@16:   }
Chris@16: 
Chris@16:   /**
Chris@16:    * Test image formatters on node display for private files.
Chris@16:    */
Chris@16:   public function testImageFieldFormattersPrivate() {
Chris@16:     // Remove access content permission from anonymous users.
Chris@16:     user_role_change_permissions(RoleInterface::ANONYMOUS_ID, ['access content' => FALSE]);
Chris@16:     $this->_testImageFieldFormatters('private');
Chris@16:   }
Chris@16: 
Chris@16:   /**
Chris@16:    * Test image formatters on node display.
Chris@16:    */
Chris@16:   public function _testImageFieldFormatters($scheme) {
Chris@16:     /** @var \Drupal\Core\Render\RendererInterface $renderer */
Chris@16:     $renderer = $this->container->get('renderer');
Chris@16:     $node_storage = $this->container->get('entity.manager')->getStorage('node');
Chris@16:     $field_name = strtolower($this->randomMachineName());
Chris@16:     $field_settings = ['alt_field_required' => 0];
Chris@16:     $instance = $this->createImageField($field_name, 'article', ['uri_scheme' => $scheme], $field_settings);
Chris@16: 
Chris@16:     // Go to manage display page.
Chris@16:     $this->drupalGet("admin/structure/types/manage/article/display");
Chris@16: 
Chris@16:     // Test for existence of link to image styles configuration.
Chris@16:     $this->drupalPostForm(NULL, [], "{$field_name}_settings_edit");
Chris@18:     $this->assertLinkByHref(Url::fromRoute('entity.image_style.collection')->toString(), 0, 'Link to image styles configuration is found');
Chris@16: 
Chris@16:     // Remove 'administer image styles' permission from testing admin user.
Chris@16:     $admin_user_roles = $this->adminUser->getRoles(TRUE);
Chris@16:     user_role_change_permissions(reset($admin_user_roles), ['administer image styles' => FALSE]);
Chris@16: 
Chris@16:     // Go to manage display page again.
Chris@16:     $this->drupalGet("admin/structure/types/manage/article/display");
Chris@16: 
Chris@16:     // Test for absence of link to image styles configuration.
Chris@16:     $this->drupalPostForm(NULL, [], "{$field_name}_settings_edit");
Chris@18:     $this->assertNoLinkByHref(Url::fromRoute('entity.image_style.collection')->toString(), 'Link to image styles configuration is absent when permissions are insufficient');
Chris@16: 
Chris@16:     // Restore 'administer image styles' permission to testing admin user
Chris@16:     user_role_change_permissions(reset($admin_user_roles), ['administer image styles' => TRUE]);
Chris@16: 
Chris@16:     // Create a new node with an image attached.
Chris@16:     $test_image = current($this->drupalGetTestFiles('image'));
Chris@16: 
Chris@16:     // Ensure that preview works.
Chris@16:     $this->previewNodeImage($test_image, $field_name, 'article');
Chris@16: 
Chris@16:     // After previewing, make the alt field required. It cannot be required
Chris@16:     // during preview because the form validation will fail.
Chris@16:     $instance->setSetting('alt_field_required', 1);
Chris@16:     $instance->save();
Chris@16: 
Chris@16:     // Create alt text for the image.
Chris@16:     $alt = $this->randomMachineName();
Chris@16: 
Chris@16:     // Save node.
Chris@16:     $nid = $this->uploadNodeImage($test_image, $field_name, 'article', $alt);
Chris@16:     $node_storage->resetCache([$nid]);
Chris@16:     $node = $node_storage->load($nid);
Chris@16: 
Chris@16:     // Test that the default formatter is being used.
Chris@16:     $file = $node->{$field_name}->entity;
Chris@16:     $image_uri = $file->getFileUri();
Chris@16:     $image = [
Chris@16:       '#theme' => 'image',
Chris@16:       '#uri' => $image_uri,
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:       '#alt' => $alt,
Chris@16:     ];
Chris@16:     $default_output = str_replace("\n", NULL, $renderer->renderRoot($image));
Chris@16:     $this->assertRaw($default_output, 'Default formatter displaying correctly on full node view.');
Chris@16: 
Chris@16:     // Test the image linked to file formatter.
Chris@16:     $display_options = [
Chris@16:       'type' => 'image',
Chris@16:       'settings' => ['image_link' => 'file'],
Chris@16:     ];
Chris@16:     $display = entity_get_display('node', $node->getType(), 'default');
Chris@16:     $display->setComponent($field_name, $display_options)
Chris@16:       ->save();
Chris@16: 
Chris@16:     $image = [
Chris@16:       '#theme' => 'image',
Chris@16:       '#uri' => $image_uri,
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:       '#alt' => $alt,
Chris@16:     ];
Chris@16:     $default_output = '<a href="' . file_create_url($image_uri) . '">' . $renderer->renderRoot($image) . '</a>';
Chris@16:     $this->drupalGet('node/' . $nid);
Chris@16:     $this->assertCacheTag($file->getCacheTags()[0]);
Chris@16:     // @todo Remove in https://www.drupal.org/node/2646744.
Chris@16:     $this->assertCacheContext('url.site');
Chris@16:     $cache_tags_header = $this->drupalGetHeader('X-Drupal-Cache-Tags');
Chris@16:     $this->assertTrue(!preg_match('/ image_style\:/', $cache_tags_header), 'No image style cache tag found.');
Chris@16:     $this->assertRaw($default_output, 'Image linked to file formatter displaying correctly on full node view.');
Chris@16:     // Verify that the image can be downloaded.
Chris@16:     $this->assertEqual(file_get_contents($test_image->uri), $this->drupalGet(file_create_url($image_uri)), 'File was downloaded successfully.');
Chris@16:     if ($scheme == 'private') {
Chris@16:       // Only verify HTTP headers when using private scheme and the headers are
Chris@16:       // sent by Drupal.
Chris@16:       $this->assertEqual($this->drupalGetHeader('Content-Type'), 'image/png', 'Content-Type header was sent.');
Chris@16:       $this->assertTrue(strstr($this->drupalGetHeader('Cache-Control'), 'private') !== FALSE, 'Cache-Control header was sent.');
Chris@16: 
Chris@16:       // Log out and try to access the file.
Chris@16:       $this->drupalLogout();
Chris@16:       $this->drupalGet(file_create_url($image_uri));
Chris@16:       $this->assertResponse('403', 'Access denied to original image as anonymous user.');
Chris@16: 
Chris@16:       // Log in again.
Chris@16:       $this->drupalLogin($this->adminUser);
Chris@16:     }
Chris@16: 
Chris@16:     // Test the image linked to content formatter.
Chris@16:     $display_options['settings']['image_link'] = 'content';
Chris@16:     $display->setComponent($field_name, $display_options)
Chris@16:       ->save();
Chris@16:     $image = [
Chris@16:       '#theme' => 'image',
Chris@16:       '#uri' => $image_uri,
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:     ];
Chris@16:     $this->drupalGet('node/' . $nid);
Chris@16:     $this->assertCacheTag($file->getCacheTags()[0]);
Chris@16:     $cache_tags_header = $this->drupalGetHeader('X-Drupal-Cache-Tags');
Chris@16:     $this->assertTrue(!preg_match('/ image_style\:/', $cache_tags_header), 'No image style cache tag found.');
Chris@16:     $elements = $this->xpath(
Chris@16:       '//a[@href=:path]/img[@src=:url and @alt=:alt and @width=:width and @height=:height]',
Chris@16:       [
Chris@18:         ':path' => $node->toUrl()->toString(),
Chris@16:         ':url' => file_url_transform_relative(file_create_url($image['#uri'])),
Chris@16:         ':width' => $image['#width'],
Chris@16:         ':height' => $image['#height'],
Chris@16:         ':alt' => $alt,
Chris@16:       ]
Chris@16:     );
Chris@16:     $this->assertEqual(count($elements), 1, 'Image linked to content formatter displaying correctly on full node view.');
Chris@16: 
Chris@16:     // Test the image style 'thumbnail' formatter.
Chris@16:     $display_options['settings']['image_link'] = '';
Chris@16:     $display_options['settings']['image_style'] = 'thumbnail';
Chris@16:     $display->setComponent($field_name, $display_options)
Chris@16:       ->save();
Chris@16: 
Chris@16:     // Ensure the derivative image is generated so we do not have to deal with
Chris@16:     // image style callback paths.
Chris@16:     $this->drupalGet(ImageStyle::load('thumbnail')->buildUrl($image_uri));
Chris@16:     $image_style = [
Chris@16:       '#theme' => 'image_style',
Chris@16:       '#uri' => $image_uri,
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:       '#style_name' => 'thumbnail',
Chris@16:       '#alt' => $alt,
Chris@16:     ];
Chris@16:     $default_output = $renderer->renderRoot($image_style);
Chris@16:     $this->drupalGet('node/' . $nid);
Chris@16:     $image_style = ImageStyle::load('thumbnail');
Chris@16:     $this->assertCacheTag($image_style->getCacheTags()[0]);
Chris@16:     $this->assertRaw($default_output, 'Image style thumbnail formatter displaying correctly on full node view.');
Chris@16: 
Chris@16:     if ($scheme == 'private') {
Chris@16:       // Log out and try to access the file.
Chris@16:       $this->drupalLogout();
Chris@16:       $this->drupalGet(ImageStyle::load('thumbnail')->buildUrl($image_uri));
Chris@16:       $this->assertResponse('403', 'Access denied to image style thumbnail as anonymous user.');
Chris@16:     }
Chris@16: 
Chris@16:     // Test the image URL formatter without an image style.
Chris@16:     $display_options = [
Chris@16:       'type' => 'image_url',
Chris@16:       'settings' => ['image_style' => ''],
Chris@16:     ];
Chris@16:     $expected_url = file_url_transform_relative(file_create_url($image_uri));
Chris@16:     $this->assertEqual($expected_url, $node->{$field_name}->view($display_options)[0]['#markup']);
Chris@16: 
Chris@16:     // Test the image URL formatter with an image style.
Chris@16:     $display_options['settings']['image_style'] = 'thumbnail';
Chris@16:     $expected_url = file_url_transform_relative(ImageStyle::load('thumbnail')->buildUrl($image_uri));
Chris@16:     $this->assertEqual($expected_url, $node->{$field_name}->view($display_options)[0]['#markup']);
Chris@16:   }
Chris@16: 
Chris@16:   /**
Chris@16:    * Tests for image field settings.
Chris@16:    */
Chris@16:   public function testImageFieldSettings() {
Chris@16:     /** @var \Drupal\Core\Render\RendererInterface $renderer */
Chris@16:     $renderer = $this->container->get('renderer');
Chris@16:     $node_storage = $this->container->get('entity.manager')->getStorage('node');
Chris@16:     $test_image = current($this->drupalGetTestFiles('image'));
Chris@16:     list(, $test_image_extension) = explode('.', $test_image->filename);
Chris@16:     $field_name = strtolower($this->randomMachineName());
Chris@16:     $field_settings = [
Chris@16:       'alt_field' => 1,
Chris@16:       'file_extensions' => $test_image_extension,
Chris@16:       'max_filesize' => '50 KB',
Chris@16:       'max_resolution' => '100x100',
Chris@16:       'min_resolution' => '10x10',
Chris@16:       'title_field' => 1,
Chris@16:     ];
Chris@16:     $widget_settings = [
Chris@16:       'preview_image_style' => 'medium',
Chris@16:     ];
Chris@16:     $field = $this->createImageField($field_name, 'article', [], $field_settings, $widget_settings);
Chris@16: 
Chris@16:     // Verify that the min/max resolution set on the field are properly
Chris@16:     // extracted, and displayed, on the image field's configuration form.
Chris@16:     $this->drupalGet('admin/structure/types/manage/article/fields/' . $field->id());
Chris@16:     $this->assertFieldByName('settings[max_resolution][x]', '100', 'Expected max resolution X value of 100.');
Chris@16:     $this->assertFieldByName('settings[max_resolution][y]', '100', 'Expected max resolution Y value of 100.');
Chris@16:     $this->assertFieldByName('settings[min_resolution][x]', '10', 'Expected min resolution X value of 10.');
Chris@16:     $this->assertFieldByName('settings[min_resolution][y]', '10', 'Expected min resolution Y value of 10.');
Chris@16: 
Chris@16:     $this->drupalGet('node/add/article');
Chris@16:     $this->assertText(t('50 KB limit.'), 'Image widget max file size is displayed on article form.');
Chris@16:     $this->assertText(t('Allowed types: @extensions.', ['@extensions' => $test_image_extension]), 'Image widget allowed file types displayed on article form.');
Chris@16:     $this->assertText(t('Images must be larger than 10x10 pixels. Images larger than 100x100 pixels will be resized.'), 'Image widget allowed resolution displayed on article form.');
Chris@16: 
Chris@16:     // We have to create the article first and then edit it because the alt
Chris@16:     // and title fields do not display until the image has been attached.
Chris@16: 
Chris@16:     // Create alt text for the image.
Chris@16:     $alt = $this->randomMachineName();
Chris@16: 
Chris@16:     $nid = $this->uploadNodeImage($test_image, $field_name, 'article', $alt);
Chris@16:     $this->drupalGet('node/' . $nid . '/edit');
Chris@16: 
Chris@16:     // Verify that the optional fields alt & title are saved & filled.
Chris@16:     $this->assertFieldByName($field_name . '[0][alt]', $alt, 'Alt field displayed on article form.');
Chris@16:     $this->assertFieldByName($field_name . '[0][title]', '', 'Title field displayed on article form.');
Chris@16: 
Chris@16:     // Verify that the attached image is being previewed using the 'medium'
Chris@16:     // style.
Chris@16:     $node_storage->resetCache([$nid]);
Chris@16:     $node = $node_storage->load($nid);
Chris@16:     $file = $node->{$field_name}->entity;
Chris@16: 
Chris@18:     $url = file_url_transform_relative(ImageStyle::load('medium')->buildUrl($file->getFileUri()));
Chris@16:     $this->assertTrue($this->cssSelect('img[width=40][height=20][class=image-style-medium][src="' . $url . '"]'));
Chris@16: 
Chris@16:     // Add alt/title fields to the image and verify that they are displayed.
Chris@16:     $image = [
Chris@16:       '#theme' => 'image',
Chris@16:       '#uri' => $file->getFileUri(),
Chris@16:       '#alt' => $alt,
Chris@16:       '#title' => $this->randomMachineName(),
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:     ];
Chris@16:     $edit = [
Chris@16:       $field_name . '[0][alt]' => $image['#alt'],
Chris@16:       $field_name . '[0][title]' => $image['#title'],
Chris@16:     ];
Chris@16:     $this->drupalPostForm('node/' . $nid . '/edit', $edit, t('Save'));
Chris@16:     $default_output = str_replace("\n", NULL, $renderer->renderRoot($image));
Chris@16:     $this->assertRaw($default_output, 'Image displayed using user supplied alt and title attributes.');
Chris@16: 
Chris@16:     // Verify that alt/title longer than allowed results in a validation error.
Chris@16:     $test_size = 2000;
Chris@16:     $edit = [
Chris@16:       $field_name . '[0][alt]' => $this->randomMachineName($test_size),
Chris@16:       $field_name . '[0][title]' => $this->randomMachineName($test_size),
Chris@16:     ];
Chris@16:     $this->drupalPostForm('node/' . $nid . '/edit', $edit, t('Save'));
Chris@16:     $schema = $field->getFieldStorageDefinition()->getSchema();
Chris@16:     $this->assertRaw(t('Alternative text cannot be longer than %max characters but is currently %length characters long.', [
Chris@16:       '%max' => $schema['columns']['alt']['length'],
Chris@16:       '%length' => $test_size,
Chris@16:     ]));
Chris@16:     $this->assertRaw(t('Title cannot be longer than %max characters but is currently %length characters long.', [
Chris@16:       '%max' => $schema['columns']['title']['length'],
Chris@16:       '%length' => $test_size,
Chris@16:     ]));
Chris@16: 
Chris@16:     // Set cardinality to unlimited and add upload a second image.
Chris@16:     // The image widget is extending on the file widget, but the image field
Chris@16:     // type does not have the 'display_field' setting which is expected by
Chris@16:     // the file widget. This resulted in notices before when cardinality is not
Chris@16:     // 1, so we need to make sure the file widget prevents these notices by
Chris@16:     // providing all settings, even if they are not used.
Chris@16:     // @see FileWidget::formMultipleElements().
Chris@16:     $this->drupalPostForm('admin/structure/types/manage/article/fields/node.article.' . $field_name . '/storage', ['cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED], t('Save field settings'));
Chris@16:     $edit = [
Chris@16:       'files[' . $field_name . '_1][]' => \Drupal::service('file_system')->realpath($test_image->uri),
Chris@16:     ];
Chris@16:     $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
Chris@16:     // Add the required alt text.
Chris@16:     $this->drupalPostForm(NULL, [$field_name . '[1][alt]' => $alt], t('Save'));
Chris@16:     $this->assertText(format_string('Article @title has been updated.', ['@title' => $node->getTitle()]));
Chris@16: 
Chris@16:     // Assert ImageWidget::process() calls FieldWidget::process().
Chris@16:     $this->drupalGet('node/' . $node->id() . '/edit');
Chris@16:     $edit = [
Chris@16:       'files[' . $field_name . '_2][]' => \Drupal::service('file_system')->realpath($test_image->uri),
Chris@16:     ];
Chris@16:     $this->drupalPostForm(NULL, $edit, $field_name . '_2_upload_button');
Chris@16:     $this->assertSession()->elementNotExists('css', 'input[name="files[' . $field_name . '_2][]"]');
Chris@16:     $this->assertSession()->elementExists('css', 'input[name="files[' . $field_name . '_3][]"]');
Chris@16:   }
Chris@16: 
Chris@16:   /**
Chris@16:    * Test use of a default image with an image field.
Chris@16:    */
Chris@16:   public function testImageFieldDefaultImage() {
Chris@16:     /** @var \Drupal\Core\Render\RendererInterface $renderer */
Chris@16:     $renderer = $this->container->get('renderer');
Chris@16: 
Chris@16:     $node_storage = $this->container->get('entity.manager')->getStorage('node');
Chris@16:     // Create a new image field.
Chris@16:     $field_name = strtolower($this->randomMachineName());
Chris@16:     $this->createImageField($field_name, 'article');
Chris@16: 
Chris@16:     // Create a new node, with no images and verify that no images are
Chris@16:     // displayed.
Chris@16:     $node = $this->drupalCreateNode(['type' => 'article']);
Chris@16:     $this->drupalGet('node/' . $node->id());
Chris@16:     // Verify that no image is displayed on the page by checking for the class
Chris@16:     // that would be used on the image field.
Chris@18:     $this->assertSession()->responseNotMatches('<div class="(.*?)field--name-' . strtr($field_name, '_', '-') . '(.*?)">', 'No image displayed when no image is attached and no default image specified.');
Chris@16:     $cache_tags_header = $this->drupalGetHeader('X-Drupal-Cache-Tags');
Chris@16:     $this->assertTrue(!preg_match('/ image_style\:/', $cache_tags_header), 'No image style cache tag found.');
Chris@16: 
Chris@16:     // Add a default image to the public image field.
Chris@16:     $images = $this->drupalGetTestFiles('image');
Chris@16:     $alt = $this->randomString(512);
Chris@16:     $title = $this->randomString(1024);
Chris@16:     $edit = [
Chris@16:       // Get the path of the 'image-test.png' file.
Chris@16:       'files[settings_default_image_uuid]' => \Drupal::service('file_system')->realpath($images[0]->uri),
Chris@16:       'settings[default_image][alt]' => $alt,
Chris@16:       'settings[default_image][title]' => $title,
Chris@16:     ];
Chris@16:     $this->drupalPostForm("admin/structure/types/manage/article/fields/node.article.$field_name/storage", $edit, t('Save field settings'));
Chris@16:     // Clear field definition cache so the new default image is detected.
Chris@16:     \Drupal::entityManager()->clearCachedFieldDefinitions();
Chris@16:     $field_storage = FieldStorageConfig::loadByName('node', $field_name);
Chris@16:     $default_image = $field_storage->getSetting('default_image');
Chris@18:     $file = \Drupal::service('entity.repository')->loadEntityByUuid('file', $default_image['uuid']);
Chris@16:     $this->assertTrue($file->isPermanent(), 'The default image status is permanent.');
Chris@16:     $image = [
Chris@16:       '#theme' => 'image',
Chris@16:       '#uri' => $file->getFileUri(),
Chris@16:       '#alt' => $alt,
Chris@16:       '#title' => $title,
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:     ];
Chris@16:     $default_output = str_replace("\n", NULL, $renderer->renderRoot($image));
Chris@16:     $this->drupalGet('node/' . $node->id());
Chris@16:     $this->assertCacheTag($file->getCacheTags()[0]);
Chris@16:     $cache_tags_header = $this->drupalGetHeader('X-Drupal-Cache-Tags');
Chris@16:     $this->assertTrue(!preg_match('/ image_style\:/', $cache_tags_header), 'No image style cache tag found.');
Chris@16:     $this->assertRaw($default_output, 'Default image displayed when no user supplied image is present.');
Chris@16: 
Chris@16:     // Create a node with an image attached and ensure that the default image
Chris@16:     // is not displayed.
Chris@16: 
Chris@16:     // Create alt text for the image.
Chris@16:     $alt = $this->randomMachineName();
Chris@16: 
Chris@16:     // Upload the 'image-test.gif' file.
Chris@16:     $nid = $this->uploadNodeImage($images[2], $field_name, 'article', $alt);
Chris@16:     $node_storage->resetCache([$nid]);
Chris@16:     $node = $node_storage->load($nid);
Chris@16:     $file = $node->{$field_name}->entity;
Chris@16:     $image = [
Chris@16:       '#theme' => 'image',
Chris@16:       '#uri' => $file->getFileUri(),
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:       '#alt' => $alt,
Chris@16:     ];
Chris@16:     $image_output = str_replace("\n", NULL, $renderer->renderRoot($image));
Chris@16:     $this->drupalGet('node/' . $nid);
Chris@16:     $this->assertCacheTag($file->getCacheTags()[0]);
Chris@16:     $cache_tags_header = $this->drupalGetHeader('X-Drupal-Cache-Tags');
Chris@16:     $this->assertTrue(!preg_match('/ image_style\:/', $cache_tags_header), 'No image style cache tag found.');
Chris@16:     $this->assertNoRaw($default_output, 'Default image is not displayed when user supplied image is present.');
Chris@16:     $this->assertRaw($image_output, 'User supplied image is displayed.');
Chris@16: 
Chris@16:     // Remove default image from the field and make sure it is no longer used.
Chris@16:     // Can't use fillField cause Mink can't fill hidden fields.
Chris@16:     $this->drupalGet("admin/structure/types/manage/article/fields/node.article.$field_name/storage");
Chris@16:     $this->getSession()->getPage()->find('css', 'input[name="settings[default_image][uuid][fids]"]')->setValue(0);
Chris@16:     $this->getSession()->getPage()->pressButton(t('Save field settings'));
Chris@16: 
Chris@16:     // Clear field definition cache so the new default image is detected.
Chris@16:     \Drupal::entityManager()->clearCachedFieldDefinitions();
Chris@16:     $field_storage = FieldStorageConfig::loadByName('node', $field_name);
Chris@16:     $default_image = $field_storage->getSetting('default_image');
Chris@16:     $this->assertFalse($default_image['uuid'], 'Default image removed from field.');
Chris@16:     // Create an image field that uses the private:// scheme and test that the
Chris@16:     // default image works as expected.
Chris@16:     $private_field_name = strtolower($this->randomMachineName());
Chris@16:     $this->createImageField($private_field_name, 'article', ['uri_scheme' => 'private']);
Chris@16:     // Add a default image to the new field.
Chris@16:     $edit = [
Chris@16:       // Get the path of the 'image-test.gif' file.
Chris@16:       'files[settings_default_image_uuid]' => \Drupal::service('file_system')->realpath($images[2]->uri),
Chris@16:       'settings[default_image][alt]' => $alt,
Chris@16:       'settings[default_image][title]' => $title,
Chris@16:     ];
Chris@16:     $this->drupalPostForm('admin/structure/types/manage/article/fields/node.article.' . $private_field_name . '/storage', $edit, t('Save field settings'));
Chris@16:     // Clear field definition cache so the new default image is detected.
Chris@16:     \Drupal::entityManager()->clearCachedFieldDefinitions();
Chris@16: 
Chris@16:     $private_field_storage = FieldStorageConfig::loadByName('node', $private_field_name);
Chris@16:     $default_image = $private_field_storage->getSetting('default_image');
Chris@18:     $file = \Drupal::service('entity.repository')->loadEntityByUuid('file', $default_image['uuid']);
Chris@16:     $this->assertEqual('private', file_uri_scheme($file->getFileUri()), 'Default image uses private:// scheme.');
Chris@16:     $this->assertTrue($file->isPermanent(), 'The default image status is permanent.');
Chris@16:     // Create a new node with no image attached and ensure that default private
Chris@16:     // image is displayed.
Chris@16:     $node = $this->drupalCreateNode(['type' => 'article']);
Chris@16:     $image = [
Chris@16:       '#theme' => 'image',
Chris@16:       '#uri' => $file->getFileUri(),
Chris@16:       '#alt' => $alt,
Chris@16:       '#title' => $title,
Chris@16:       '#width' => 40,
Chris@16:       '#height' => 20,
Chris@16:     ];
Chris@16:     $default_output = str_replace("\n", NULL, $renderer->renderRoot($image));
Chris@16:     $this->drupalGet('node/' . $node->id());
Chris@16:     $this->assertCacheTag($file->getCacheTags()[0]);
Chris@16:     $cache_tags_header = $this->drupalGetHeader('X-Drupal-Cache-Tags');
Chris@16:     $this->assertTrue(!preg_match('/ image_style\:/', $cache_tags_header), 'No image style cache tag found.');
Chris@16:     $this->assertRaw($default_output, 'Default private image displayed when no user supplied image is present.');
Chris@16:   }
Chris@16: 
Chris@16: }