Issue #2372201 by chx: Fixed FakeDelete is missing.

core/lib/Drupal/Core/Database/Driver/fake/FakeConnection.php

@@ -87,6 +87,13 @@ class FakeConnection extends Connection {
     return new FakeUpdate($this->databaseContents, $table);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function delete($table, array $options = array()) {
+    return new FakeDelete($this->databaseContents, $table);
+  }
+
   /**
    * {@inheritdoc}
    */

core/lib/Drupal/Core/Database/Driver/fake/FakeDelete.php

@@ -0,0 +1,79 @@
+<?php
+
+/**
+ * @file
+ * Contains Drupal\Core\Database\Driver\fake\FakeDelete.
+ */
+
+namespace Drupal\Core\Database\Driver\fake;
+
+use Drupal\Core\Database\Query\Condition;
+use Drupal\Core\Database\Query\Delete;
+use Drupal\Core\Database\Query\SelectInterface;
+
+/**
+ * Defines FakeDelete for use in database tests.
+ */
+class FakeDelete extends Delete {
+
+  /**
+   * The database table to delete from.
+   *
+   * @var string
+   */
+  protected $table;
+
+  /**
+   * The database contents.
+   *
+   * @var array
+   */
+  protected $databaseContents;
+
+  /**
+   * Constructs a FakeDelete object.
+   *
+   * @param array $database_contents
+   *   The database contents faked as an array. Each key is a table name, each
+   *   value is a list of table rows.
+   * @param string $table
+   *   The table to delete from.
+   */
+  public function __construct(array &$database_contents, $table) {
+    $this->databaseContents = &$database_contents;
+    $this->table = $table;
+    $this->condition = new Condition('AND');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function execute() {
+    $affected = 0;
+    if (isset($this->databaseContents[$this->table])) {
+      $original_row_count = count($this->databaseContents[$this->table]);
+      $condition = $this->condition;
+      $this->databaseContents[$this->table] = array_filter($this->databaseContents[$this->table], function ($row_array) use ($condition) {
+        $row = new DatabaseRow($row_array);
+        return !ConditionResolver::matchGroup($row, $condition);
+      });
+      $affected = $original_row_count - count($this->databaseContents[$this->table]);
+    }
+    return $affected;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function exists(SelectInterface $select) {
+    throw new \Exception(sprintf('Method "%s" is not supported', __METHOD__));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function where($snippet, $args = array()) {
+    throw new \Exception(sprintf('Method "%s" is not supported', __METHOD__));
+  }
+
+}