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diff --git a/web/core/modules/views_ui/tests/src/FunctionalJavascript/PreviewTest.php b/web/core/modules/views_ui/tests/src/FunctionalJavascript/PreviewTest.php
new file mode 100644
index 000000000..489a3748d
--- /dev/null
+++ b/web/core/modules/views_ui/tests/src/FunctionalJavascript/PreviewTest.php
@@ -0,0 +1,304 @@
+<?php
+
+namespace Drupal\Tests\views_ui\FunctionalJavascript;
+
+use Behat\Mink\Element\NodeElement;
+use Drupal\Core\Database\Database;
+use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
+use Drupal\views\Tests\ViewTestData;
+
+/**
+ * Tests the UI preview functionality.
+ *
+ * @group views_ui
+ */
+class PreviewTest extends WebDriverTestBase {
+
+  /**
+   * Views used by this test.
+   *
+   * @var array
+   */
+  public static $testViews = ['test_preview', 'test_pager_full_ajax', 'test_mini_pager_ajax', 'test_click_sort_ajax'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'node',
+    'views',
+    'views_ui',
+    'views_test_config',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+
+    ViewTestData::createTestViews(self::class, ['views_test_config']);
+
+    $this->enableViewsTestModule();
+
+    $admin_user = $this->drupalCreateUser([
+      'administer site configuration',
+      'administer views',
+      'administer nodes',
+      'access content overview',
+    ]);
+
+    // Disable automatic live preview to make the sequence of calls clearer.
+    \Drupal::configFactory()->getEditable('views.settings')->set('ui.always_live_preview', FALSE)->save();
+    $this->drupalLogin($admin_user);
+  }
+
+  /**
+   * Sets up the views_test_data.module.
+   *
+   * Because the schema of views_test_data.module is dependent on the test
+   * using it, it cannot be enabled normally.
+   */
+  protected function enableViewsTestModule() {
+    // Define the schema and views data variable before enabling the test module.
+    \Drupal::state()->set('views_test_data_schema', $this->schemaDefinition());
+    \Drupal::state()->set('views_test_data_views_data', $this->viewsData());
+
+    \Drupal::service('module_installer')->install(['views_test_data']);
+    $this->resetAll();
+    $this->rebuildContainer();
+    $this->container->get('module_handler')->reload();
+
+    // Load the test dataset.
+    $data_set = $this->dataSet();
+    $query = Database::getConnection()->insert('views_test_data')
+      ->fields(array_keys($data_set[0]));
+    foreach ($data_set as $record) {
+      $query->values($record);
+    }
+    $query->execute();
+  }
+
+  /**
+   * Returns the schema definition.
+   *
+   * @internal
+   */
+  protected function schemaDefinition() {
+    return ViewTestData::schemaDefinition();
+  }
+
+  /**
+   * Returns the views data definition.
+   */
+  protected function viewsData() {
+    return ViewTestData::viewsData();
+  }
+
+  /**
+   * Returns a very simple test dataset.
+   */
+  protected function dataSet() {
+    return ViewTestData::dataSet();
+  }
+
+  /**
+   * Tests the taxonomy term preview AJAX.
+   *
+   * This tests a specific regression in the taxonomy term view preview.
+   *
+   * @see https://www.drupal.org/node/2452659
+   */
+  public function testTaxonomyAJAX() {
+    \Drupal::service('module_installer')->install(['taxonomy']);
+    $this->getPreviewAJAX('taxonomy_term', 'page_1', 0);
+  }
+
+  /**
+   * Tests pagers in the preview form.
+   */
+  public function testPreviewWithPagersUI() {
+    // Create 11 nodes and make sure that everyone is returned.
+    $this->drupalCreateContentType(['type' => 'page']);
+    for ($i = 0; $i < 11; $i++) {
+      $this->drupalCreateNode();
+    }
+
+    // Test Full Pager.
+    $this->getPreviewAJAX('test_pager_full_ajax', 'default', 5);
+
+    // Test that the pager is present and rendered.
+    $elements = $this->xpath('//ul[contains(@class, :class)]/li', [':class' => 'pager__items']);
+    $this->assertTrue(!empty($elements), 'Full pager found.');
+
+    // Verify elements and links to pages.
+    // We expect to find 5 elements: current page == 1, links to pages 2 and
+    // and 3, links to 'next >' and 'last >>' pages.
+    $this->assertClass($elements[0], 'is-active', 'Element for current page has .is-active class.');
+    $this->assertTrue($elements[0]->find('css', 'a'), 'Element for current page has link.');
+
+    $this->assertClass($elements[1], 'pager__item', 'Element for page 2 has .pager__item class.');
+    $this->assertTrue($elements[1]->find('css', 'a'), 'Link to page 2 found.');
+
+    $this->assertClass($elements[2], 'pager__item', 'Element for page 3 has .pager__item class.');
+    $this->assertTrue($elements[2]->find('css', 'a'), 'Link to page 3 found.');
+
+    $this->assertClass($elements[3], 'pager__item--next', 'Element for next page has .pager__item--next class.');
+    $this->assertTrue($elements[3]->find('css', 'a'), 'Link to next page found.');
+
+    $this->assertClass($elements[4], 'pager__item--last', 'Element for last page has .pager__item--last class.');
+    $this->assertTrue($elements[4]->find('css', 'a'), 'Link to last page found.');
+
+    // Navigate to next page.
+    $elements = $this->xpath('//li[contains(@class, :class)]/a', [':class' => 'pager__item--next']);
+    $this->clickPreviewLinkAJAX($elements[0], 5);
+
+    // Test that the pager is present and rendered.
+    $elements = $this->xpath('//ul[contains(@class, :class)]/li', [':class' => 'pager__items']);
+    $this->assertTrue(!empty($elements), 'Full pager found.');
+
+    // Verify elements and links to pages.
+    // We expect to find 7 elements: links to '<< first' and '< previous'
+    // pages, link to page 1, current page == 2, link to page 3 and links
+    // to 'next >' and 'last >>' pages.
+    $this->assertClass($elements[0], 'pager__item--first', 'Element for first page has .pager__item--first class.');
+    $this->assertTrue($elements[0]->find('css', 'a'), 'Link to first page found.');
+
+    $this->assertClass($elements[1], 'pager__item--previous', 'Element for previous page has .pager__item--previous class.');
+    $this->assertTrue($elements[1]->find('css', 'a'), 'Link to previous page found.');
+
+    $this->assertClass($elements[2], 'pager__item', 'Element for page 1 has .pager__item class.');
+    $this->assertTrue($elements[2]->find('css', 'a'), 'Link to page 1 found.');
+
+    $this->assertClass($elements[3], 'is-active', 'Element for current page has .is-active class.');
+    $this->assertTrue($elements[3]->find('css', 'a'), 'Element for current page has link.');
+
+    $this->assertClass($elements[4], 'pager__item', 'Element for page 3 has .pager__item class.');
+    $this->assertTrue($elements[4]->find('css', 'a'), 'Link to page 3 found.');
+
+    $this->assertClass($elements[5], 'pager__item--next', 'Element for next page has .pager__item--next class.');
+    $this->assertTrue($elements[5]->find('css', 'a'), 'Link to next page found.');
+
+    $this->assertClass($elements[6], 'pager__item--last', 'Element for last page has .pager__item--last class.');
+    $this->assertTrue($elements[6]->find('css', 'a'), 'Link to last page found.');
+
+    // Test Mini Pager.
+    $this->getPreviewAJAX('test_mini_pager_ajax', 'default', 3);
+
+    // Test that the pager is present and rendered.
+    $elements = $this->xpath('//ul[contains(@class, :class)]/li', [':class' => 'pager__items']);
+    $this->assertTrue(!empty($elements), 'Mini pager found.');
+
+    // Verify elements and links to pages.
+    // We expect to find current pages element with no link, next page element
+    // with a link, and not to find previous page element.
+    $this->assertClass($elements[0], 'is-active', 'Element for current page has .is-active class.');
+
+    $this->assertClass($elements[1], 'pager__item--next', 'Element for next page has .pager__item--next class.');
+    $this->assertTrue($elements[1]->find('css', 'a'), 'Link to next page found.');
+
+    // Navigate to next page.
+    $elements = $this->xpath('//li[contains(@class, :class)]/a', [':class' => 'pager__item--next']);
+    $this->clickPreviewLinkAJAX($elements[0], 3);
+
+    // Test that the pager is present and rendered.
+    $elements = $this->xpath('//ul[contains(@class, :class)]/li', [':class' => 'pager__items']);
+    $this->assertTrue(!empty($elements), 'Mini pager found.');
+
+    // Verify elements and links to pages.
+    // We expect to find 3 elements: previous page with a link, current
+    // page with no link, and next page with a link.
+    $this->assertClass($elements[0], 'pager__item--previous', 'Element for previous page has .pager__item--previous class.');
+    $this->assertTrue($elements[0]->find('css', 'a'), 'Link to previous page found.');
+
+    $this->assertClass($elements[1], 'is-active', 'Element for current page has .is-active class.');
+    $this->assertEmpty($elements[1]->find('css', 'a'), 'Element for current page has no link.');
+
+    $this->assertClass($elements[2], 'pager__item--next', 'Element for next page has .pager__item--next class.');
+    $this->assertTrue($elements[2]->find('css', 'a'), 'Link to next page found.');
+  }
+
+  /**
+   * Tests the link to sort in the preview form.
+   */
+  public function testPreviewSortLink() {
+    // Get the preview.
+    $this->getPreviewAJAX('test_click_sort_ajax', 'page_1', 0);
+
+    // Test that the header label is present.
+    $elements = $this->xpath('//th[contains(@class, :class)]/a', [':class' => 'views-field views-field-name']);
+    $this->assertTrue(!empty($elements), 'The header label is present.');
+
+    // Verify link.
+    $this->assertLinkByHref('preview/page_1?_wrapper_format=drupal_ajax&order=name&sort=desc', 0, 'The output URL is as expected.');
+
+    // Click link to sort.
+    $elements[0]->click();
+    $sort_link = $this->assertSession()->waitForElement('xpath', '//th[contains(@class, \'views-field views-field-name is-active\')]/a');
+
+    $this->assertNotEmpty($sort_link);
+
+    // Verify link.
+    $this->assertLinkByHref('preview/page_1?_wrapper_format=drupal_ajax&order=name&sort=asc', 0, 'The output URL is as expected.');
+  }
+
+  /**
+   * Get the preview form and force an AJAX preview update.
+   *
+   * @param string $view_name
+   *   The view to test.
+   * @param string $panel_id
+   *   The view panel to test.
+   * @param int $row_count
+   *   The expected number of rows in the preview.
+   */
+  protected function getPreviewAJAX($view_name, $panel_id, $row_count) {
+    $this->drupalGet('admin/structure/views/view/' . $view_name . '/edit/' . $panel_id);
+    $this->getSession()->getPage()->pressButton('Update preview');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+    $this->assertPreviewAJAX($row_count);
+  }
+
+  /**
+   * Click on a preview link.
+   *
+   * @param \Behat\Mink\Element\NodeElement $element
+   *   The element to click.
+   * @param int $row_count
+   *   The expected number of rows in the preview.
+   */
+  protected function clickPreviewLinkAJAX(NodeElement $element, $row_count) {
+    $element->click();
+    $this->assertSession()->assertWaitOnAjaxRequest();
+    $this->assertPreviewAJAX($row_count);
+  }
+
+  /**
+   * Assert that the preview contains expected data.
+   *
+   * @param int $row_count
+   *   The expected number of rows in the preview.
+   */
+  protected function assertPreviewAJAX($row_count) {
+    $elements = $this->getSession()->getPage()->findAll('css', '.view-content .views-row');
+    $this->assertCount($row_count, $elements, 'Expected items found on page.');
+  }
+
+  /**
+   * Asserts that an element has a given class.
+   *
+   * @param \Behat\Mink\Element\NodeElement $element
+   *   The element to test.
+   * @param string $class
+   *   The class to assert.
+   * @param string $message
+   *   (optional) A verbose message to output.
+   */
+  protected function assertClass(NodeElement $element, $class, $message = NULL) {
+    if (!isset($message)) {
+      $message = "Class .$class found.";
+    }
+    $this->assertTrue(strpos($element->getAttribute('class'), $class) !== FALSE, $message);
+  }
+
+}