ExpectDeprecationTest.php

<?php

namespace Drupal\Tests;

use Drupal\Tests\Traits\ExpectDeprecationTrait;

/**
 * @coversDefaultClass \Drupal\Tests\Traits\ExpectDeprecationTrait
 *
 * @group Test
 * @group legacy
 */
class ExpectDeprecationTest extends UnitTestCase {
    use ExpectDeprecationTrait;
    
    /**
     * @covers ::addExpectedDeprecationMessage
     */
    public function testExpectDeprecation() {
        $this->addExpectedDeprecationMessage('Test deprecation');
        @trigger_error('Test deprecation', E_USER_DEPRECATED);
    }
    
    /**
     * @covers ::addExpectedDeprecationMessage
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    public function testExpectDeprecationInIsolation() {
        $this->addExpectedDeprecationMessage('Test isolated deprecation');
        $this->addExpectedDeprecationMessage('Test isolated deprecation2');
        @trigger_error('Test isolated deprecation', E_USER_DEPRECATED);
        @trigger_error('Test isolated deprecation2', E_USER_DEPRECATED);
    }
    
    /**
     * @covers ::expectDeprecation
     *
     * @todo the expectedDeprecation annotation does not work if tests are marked
     *   skipped.
     * @see https://github.com/symfony/symfony/pull/25757
     */
    public function testDeprecatedExpectDeprecation() {
        $this->addExpectedDeprecationMessage('ExpectDeprecationTrait::expectDeprecation is deprecated in drupal:8.8.5 and is removed from drupal:9.0.0. Use ::addExpectedDeprecationMessage() instead. See https://www.drupal.org/node/3106024');
        $this->expectDeprecation('Test deprecated expectDeprecation');
        @trigger_error('Test deprecated expectDeprecation', E_USER_DEPRECATED);
    }

}