Config Console Tests (#5621)

* Config Console Tests
- `MultiUseConsole` is now a testable console
- `ConsoleTest` is a abstract TestClass for console tests
- `ConfigConsoleTest` tests the config console commands

* disable preserve global state because of smarty

* fixed requires & basepath für Console Test

tests/src/Core/Console/ConsoleTest.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Friendica\Test\src\Core\Console;
+
+use Friendica\App;
+use Friendica\BaseObject;
+use Friendica\Test\Util\Intercept;
+use PHPUnit\Framework\TestCase;
+
+abstract class ConsoleTest extends TestCase
+{
+	/**
+	 * @var MultiUseConsole Extension of the basic Friendica Console for testing purpose
+	 */
+	private $console;
+	/**
+	 * @var App The Friendica App
+	 */
+	protected $app;
+
+	protected $stdout;
+
+	protected function setUp()
+	{
+		parent::setUp();
+
+		Intercept::setUp();
+
+		if (!getenv('MYSQL_DATABASE')) {
+			$this->markTestSkipped('Please set the MYSQL_* environment variables to your test database credentials.');
+		}
+
+		// Reusable App object
+		$this->app = BaseObject::getApp();
+		$this->console = new MultiUseConsole();
+	}
+
+	public function execute($args) {
+		Intercept::reset();
+		$this->console->reset();
+		$this->console->parseTestArgv($args);
+		$this->console->execute();
+
+		$returnStr = Intercept::$cache;
+		Intercept::reset();
+		return $returnStr;
+	}
+}