<?php namespace WP_Ultimo\Tests; use WP_Ultimo\Gateways\Manual_Gateway; use WP_Ultimo\Managers\Gateway_Manager; class Gateway_Functions_Test extends \WP_UnitTestCase { public function test_wu_get_gateway_returns_false_for_invalid_id() { $invalid_gateway_id = 'non_existent_gateway'; $result = wu_get_gateway($invalid_gateway_id); $this->assertFalse($result); } public function test_wu_get_gateway_returns_instance_for_valid_id() { $valid_gateway_id = 'manual'; $gateway = wu_get_gateway($valid_gateway_id); $this->assertInstanceOf(Manual_Gateway::class, $gateway); } }