send(); $data = ob_get_clean(); Assert::contains('JFIF', $data); if (PHP_SAPI !== 'cli') { Assert::contains('Content-Type: image/jpeg', headers_list()); } }); test('', function () use ($main) { ob_start(); $main->send(Image::PNG); $data = ob_get_clean(); Assert::contains('PNG', $data); if (PHP_SAPI !== 'cli') { Assert::contains('Content-Type: image/png', headers_list()); } }); test('', function () use ($main) { if (!Image::isTypeSupported(Image::WEBP)) { return; } ob_start(); $main->send(Image::WEBP); $data = ob_get_clean(); Assert::contains('WEBP', $data); if (PHP_SAPI !== 'cli') { Assert::contains('Content-Type: image/webp', headers_list()); } }); Assert::exception( fn() => $main->send(IMG_WBMP), Nette\InvalidArgumentException::class, sprintf('Unsupported image type \'%d\'.', IMG_WBMP), );