function IconFinderTest::testExtractIconIdFromFilenameWarning

Test the IconFinder::extractIconIdFromFilename method with failing pattern.

File

core/tests/Drupal/Tests/Core/Theme/Icon/IconFinderTest.php, line 776

Class

IconFinderTest

@coversDefaultClass \Drupal\Core\Theme\Icon\IconFinder

Namespace

Code

public function testExtractIconIdFromFilenameWarning() : void {
    $method = new \ReflectionMethod(IconFinder::class, 'extractIconIdFromFilename');
    $method->setAccessible(TRUE);
    // PHPUnit 10 cannot expect warnings, so we have to catch them ourselves.
    // Thanks to: Drupal\Tests\Component\PhpStorage\FileStorageTest.
    $messages = [];
    set_error_handler(function (int $errno, string $errstr) use (&$messages) : void {
        $messages[] = [
            $errno,
            $errstr,
        ];
    });
    $method->invoke($this->iconFinder, 'foo*bar*baz', 'foo*{icon_id}*baz');
    restore_error_handler();
    $this->assertCount(1, $messages);
    $this->assertSame(E_WARNING, $messages[0][0]);
    $this->assertSame('preg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 19', $messages[0][1]);
}