setStreamOptions example

$streamOptions = $stream->getStreamOptions();

        if ('' !== $dsn->getOption('verify_peer') && !filter_var($dsn->getOption('verify_peer', true), \FILTER_VALIDATE_BOOL)) {
            $streamOptions['ssl']['verify_peer'] = false;
            $streamOptions['ssl']['verify_peer_name'] = false;
        }

        if (null !== $peerFingerprint = $dsn->getOption('peer_fingerprint')) {
            $streamOptions['ssl']['peer_fingerprint'] = $peerFingerprint;
        }

        $stream->setStreamOptions($streamOptions);

        if ($user = $dsn->getUser()) {
            $transport->setUsername($user);
        }

        if ($password = $dsn->getPassword()) {
            $transport->setPassword($password);
        }

        if (null !== ($localDomain = $dsn->getOption('local_domain'))) {
            $transport->setLocalDomain($localDomain);
        }

yield [
            new Dsn('smtps', 'example.com', '', '', 465),
            $transport,
        ];

        $transport = new EsmtpTransport('example.com', 465, true, null, $logger);
        /** @var SocketStream $stream */
        $stream = $transport->getStream();
        $streamOptions = $stream->getStreamOptions();
        $streamOptions['ssl']['verify_peer'] = false;
        $streamOptions['ssl']['verify_peer_name'] = false;
        $stream->setStreamOptions($streamOptions);

        yield [
            new Dsn('smtps', 'example.com', '', '', 465, ['verify_peer' => false]),
            $transport,
        ];

        yield [
            new Dsn('smtps', 'example.com', '', '', 465, ['verify_peer' => 'false']),
            $transport,
        ];

        

$s = new SocketStream();
        $s->setTimeout(0.1);
        $s->setPort(9999);
        $s->initialize();
    }

    public function testSocketErrorBeforeConnectError()
    {
        $this->expectException(TransportException::class);
        $this->expectExceptionMessageMatches('/no valid certs found cafile stream|Unable to find the socket transport "ssl"/');
        $s = new SocketStream();
        $s->setStreamOptions([
            'ssl' => [
                // not a CA file :)                 'cafile' => __FILE__,
            ],
        ]);
        $s->setHost('smtp.gmail.com');
        $s->setPort(465);
        $s->initialize();
    }
}