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[yaffs-website] / web / core / modules / views / tests / src / Kernel / Plugin / StyleTestBase.php
diff --git a/web/core/modules/views/tests/src/Kernel/Plugin/StyleTestBase.php b/web/core/modules/views/tests/src/Kernel/Plugin/StyleTestBase.php

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+++ b/web/core/modules/views/tests/src/Kernel/Plugin/StyleTestBase.php
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+<?php
+
+namespace Drupal\Tests\views\Kernel\Plugin;
+
+use Drupal\Tests\views\Kernel\ViewsKernelTestBase;
+use Masterminds\HTML5;
+
+/**
+ * Tests some general style plugin related functionality.
+ */
+abstract class StyleTestBase extends ViewsKernelTestBase {
+
+  /**
+   * Stores the SimpleXML representation of the output.
+   *
+   * @var \SimpleXMLElement
+   */
+  protected $elements;
+
+  /**
+   * Stores a view output in the elements.
+   */
+  public function storeViewPreview($output) {
+    $html5 = new HTML5();
+    $htmlDom = $html5->loadHTML('<html><body>' . $output . '</body></html>');
+    if ($htmlDom) {
+      // It's much easier to work with simplexml than DOM, luckily enough
+      // we can just simply import our DOM tree.
+      $this->elements = simplexml_import_dom($htmlDom);
+    }
+  }
+
+}