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diff --git a/web/modules/contrib/entity_embed/src/Tests/EntityEmbedFilterTest.php b/web/modules/contrib/entity_embed/src/Tests/EntityEmbedFilterTest.php
new file mode 100644
index 000000000..594ff953b
--- /dev/null
+++ b/web/modules/contrib/entity_embed/src/Tests/EntityEmbedFilterTest.php
@@ -0,0 +1,198 @@
+<?php
+
+namespace Drupal\entity_embed\Tests;
+
+/**
+ * Tests the entity_embed filter.
+ *
+ * @group entity_embed
+ */
+class EntityEmbedFilterTest extends EntityEmbedTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = [
+    'file',
+    'image',
+    'entity_embed',
+    'entity_embed_test',
+    'node',
+    'ckeditor',
+  ];
+
+  /**
+   * Tests the entity_embed filter.
+   *
+   * Ensures that entities are getting rendered when correct data attributes
+   * are passed. Also tests situations when embed fails.
+   */
+  public function testFilter() {
+    // Tests entity embed using entity ID and view mode.
+    $content = '<drupal-entity data-entity-type="node" data-entity-id="' . $this->node->id() . '" data-view-mode="teaser">This placeholder should not be rendered.</drupal-entity>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test entity embed with entity-id and view-mode';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertNoRaw('<drupal-entity data-entity-type="node" data-entity');
+    $this->assertText($this->node->body->value, 'Embedded node exists in page');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    $this->assertRaw('<article class="embedded-entity">', 'Embed container found.');
+
+    // Tests that embedded entity is not rendered if not accessible.
+    $this->node->setPublished(FALSE)->save();
+    $settings = [];
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test un-accessible entity embed with entity-id and view-mode';
+    $settings['body'] = [['value' => $content, 'format' => 'custom_format']];
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertNoRaw('<drupal-entity data-entity-type="node" data-entity');
+    $this->assertNoText($this->node->body->value, 'Embedded node does not exist in the page.');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    // Tests that embedded entity is displayed to the user who has the view
+    // unpublished content permission.
+    $this->createRole(['view own unpublished content'], 'access_unpublished');
+    $this->webUser->addRole('access_unpublished');
+    $this->webUser->save();
+    $this->drupalGet('node/' . $node->id());
+    $this->assertNoRaw('<drupal-entity data-entity-type="node" data-entity');
+    $this->assertText($this->node->body->value, 'Embedded node exists in the page.');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    $this->assertRaw('<article class="embedded-entity">', 'Embed container found.');
+    $this->webUser->removeRole('access_unpublished');
+    $this->webUser->save();
+    $this->node->setPublished(TRUE)->save();
+
+    // Tests entity embed using entity UUID and view mode.
+    $content = '<drupal-entity data-entity-type="node" data-entity-uuid="' . $this->node->uuid() . '" data-view-mode="teaser">This placeholder should not be rendered.</drupal-entity>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test entity embed with entity-uuid and view-mode';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertNoRaw('<drupal-entity data-entity-type="node" data-entity');
+    $this->assertText($this->node->body->value, 'Embedded node exists in page.');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    $this->assertRaw('<article class="embedded-entity">', 'Embed container found.');
+    $this->assertCacheTag('foo:' . $this->node->id());
+
+    // Ensure that placeholder is not replaced when embed is unsuccessful.
+    $content = '<drupal-entity data-entity-type="node" data-entity-id="InvalidID" data-view-mode="teaser">This placeholder should be rendered since specified entity does not exists.</drupal-entity>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test that placeholder is retained when specified entity does not exists';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertNoRaw('<drupal-entity data-entity-type="node" data-entity');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is unsuccessful.');
+
+    // Ensure that UUID is preferred over ID when both attributes are present.
+    $sample_node = $this->drupalCreateNode();
+    $content = '<drupal-entity data-entity-type="node" data-entity-id="' . $sample_node->id() . '" data-entity-uuid="' . $this->node->uuid() . '" data-view-mode="teaser">This placeholder should not be rendered.</drupal-entity>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test that entity-uuid is preferred over entity-id when both attributes are present';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertNoRaw('<drupal-entity data-entity-type="node" data-entity');
+    $this->assertText($this->node->body->value, 'Entity specifed with UUID exists in the page.');
+    $this->assertNoText($sample_node->body->value, 'Entity specifed with ID does not exists in the page.');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    $this->assertRaw('<article class="embedded-entity"', 'Embed container found.');
+
+    // Test deprecated 'default' Entity Embed Display plugin.
+    $content = '<drupal-entity data-entity-type="node" data-entity-uuid="' . $this->node->uuid() . '" data-entity-embed-display="default" data-entity-embed-display-settings=\'{"view_mode":"teaser"}\'>This placeholder should not be rendered.</drupal-entity>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test entity embed with entity-embed-display and data-entity-embed-display-settings';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertText($this->node->body->value, 'Embedded node exists in page.');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    $this->assertRaw('<article class="embedded-entity"', 'Embed container found.');
+
+    // Ensure that Entity Embed Display plugin is preferred over view mode when
+    // both attributes are present.
+    $content = '<drupal-entity data-entity-type="node" data-entity-uuid="' . $this->node->uuid() . '" data-entity-embed-display="default" data-entity-embed-display-settings=\'{"view_mode":"full"}\' data-view-mode="some-invalid-view-mode" data-align="left" data-caption="test caption">This placeholder should not be rendered.</drupal-entity>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test entity embed with entity-embed-display and data-entity-embed-display-settings';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertText($this->node->body->value, 'Embedded node exists in page with the view mode specified by entity-embed-settings.');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    $this->assertRaw('<article class="embedded-entity"', 'Embed container found.');
+
+    // Ensure the embedded node doesn't contain data tags on the full page.
+    $this->drupalGet('node/' . $this->node->id());
+    $this->assertNoRaw('data-align="left"', 'Align data attribute not found.');
+    $this->assertNoRaw('data-caption="test caption"', 'Caption data attribute not found.');
+
+    // Test that tag of container element is not replaced when it's not
+    // <drupal-entity>.
+    $content = '<not-drupal-entity data-entity-type="node" data-entity-id="' . $this->node->id() . '" data-view-mode="teaser">this placeholder should not be rendered.</not-drupal-entity>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'test entity embed with entity-id and view-mode';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalget('node/' . $node->id());
+    $this->assertNoText($this->node->body->value, 'embedded node exists in page');
+    $this->assertRaw('</not-drupal-entity>');
+    $content = '<div data-entity-type="node" data-entity-id="' . $this->node->id() . '" data-view-mode="teaser">this placeholder should not be rendered.</div>';
+    $settings = array();
+    $settings['type'] = 'page';
+    $settings['title'] = 'test entity embed with entity-id and view-mode';
+    $settings['body'] = array(array('value' => $content, 'format' => 'custom_format'));
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalget('node/' . $node->id());
+    $this->assertNoText($this->node->body->value, 'embedded node exists in page');
+    $this->assertRaw('<div data-entity-type="node" data-entity-id');
+
+    // Test that attributes are correctly added when image formatter is used.
+    /** @var \Drupal\file\FileInterface $image */
+    $image = $this->getTestFile('image');
+    $image->setPermanent();
+    $image->save();
+    $content = '<drupal-entity data-entity-type="file" data-entity-uuid="' . $image->uuid() . '" data-entity-embed-display="image:image" data-entity-embed-display-settings=\'{"image_style":"","image_link":""}\' data-align="left" data-caption="test caption" alt="This is alt text" title="This is title text">This placeholder should not be rendered.</drupal-entity>';
+    $settings = [];
+    $settings['type'] = 'page';
+    $settings['title'] = 'test entity image formatter';
+    $settings['body'] = [['value' => $content, 'format' => 'custom_format']];
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalget('node/' . $node->id());
+    $this->assertRaw('<img src', 'IMG tag found.');
+    $this->assertRaw('data-caption="test caption"', 'Caption found.');
+    $this->assertRaw('data-align="left"', 'Alignment information found.');
+    $this->assertTrue((bool) $this->xpath("//img[@alt='This is alt text']"), 'Alt text found');
+    $this->assertTrue((bool) $this->xpath("//img[@title='This is title text']"), 'Title text found');
+    $this->assertRaw('<article class="embedded-entity"', 'Embed container found.');
+
+    // data-entity-embed-settings is replaced with
+    // data-entity-embed-display-settings. Check to see if
+    // data-entity-embed-settings is still working.
+    $content = '<drupal-entity data-entity-type="node" data-entity-uuid="' . $this->node->uuid() . '" data-entity-embed-display="entity_reference:entity_reference_label" data-entity-embed-settings=\'{"link":"0"}\' data-align="left" data-caption="test caption">This placeholder should not be rendered.</drupal-entity>';
+    $settings = [];
+    $settings['type'] = 'page';
+    $settings['title'] = 'Test entity embed with data-entity-embed-settings';
+    $settings['body'] = [['value' => $content, 'format' => 'custom_format']];
+    $node = $this->drupalCreateNode($settings);
+    $this->drupalGet('node/' . $node->id());
+    $this->assertText($this->node->getTitle(), 'Embeded node title is displayed.');
+    $this->assertNoLink($this->node->getTitle(), 'Embed settings are respected.');
+    $this->assertNoText($this->node->body->value, 'Embedded node exists in page.');
+    $this->assertNoText(strip_tags($content), 'Placeholder does not appear in the output when embed is successful.');
+    $this->assertRaw('<article class="embedded-entity"', 'Embed container found.');
+  }
+
+}