Add before/after database truncation methods to DatabaseTruncation tr…

…ait (#48345)

src/Illuminate/Foundation/Testing/DatabaseTruncation.php

@@ -24,6 +24,8 @@ trait DatabaseTruncation
      */
     protected function truncateDatabaseTables(): void
     {
+        $this->beforeTruncatingDatabase();
+
         // Migrate and seed the database on first run...
         if (! RefreshDatabaseState::$migrated) {
             $this->artisan('migrate:fresh', $this->migrateFreshUsing());
@@ -45,6 +47,8 @@ protected function truncateDatabaseTables(): void
             // Use the default seeder class...
             $this->artisan('db:seed');
         }
+
+        $this->afterTruncatingDatabase();
     }
 
     /**
@@ -144,4 +148,24 @@ protected function exceptTables(?string $connectionName): array
 
         return [$this->app['config']->get('database.migrations')];
     }
+
+    /**
+     * Perform any work that should take place before the database has started truncating.
+     *
+     * @return void
+     */
+    protected function beforeTruncatingDatabase(): void
+    {
+        //
+    }
+
+    /**
+     * Perform any work that should take place once the database has finished truncating.
+     *
+     * @return void
+     */
+    protected function afterTruncatingDatabase(): void
+    {
+        //
+    }
 }