Test outgoing messages of your app.
It's possible to replace secure-smtpd
with default smtpd if AUTH is not forced by your application.
Last active
March 13, 2016 14:26
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py.test SMTPd fixture
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| import pytest | |
| import secure_smtpd | |
| from multiprocessing import Queue, Process | |
| @pytest.yield_fixture(scope='module') | |
| def SmtpServer(): | |
| """ | |
| Return dummy SMTP server to check outgoing messages. | |
| The ``multiprocessing.Queue`` of ``tuple`` objects is yelded | |
| Sent queue example usage:: | |
| def test_get_msg(SmtpServer): | |
| addr, sender, recipients, body = SmtpServer.get() | |
| Note that execution will be freezed until something is retrieved | |
| from ``sent`` queue. You can use ``Queue.get_nowait()`` or | |
| ``timeout`` parameter to avoid such behavior. | |
| Read more about `multiprocessing <https://docs.python.org/2/library/multiprocessing.html>`_ | |
| """ | |
| sent = Queue() | |
| port = 1125 | |
| host = 'localhost' | |
| class _TestSmtpServer(secure_smtpd.SMTPServer): | |
| def __init__(self, sent_queue, *args, **kwargs): | |
| secure_smtpd.SMTPServer.__init__(self, *args, **kwargs) | |
| self.sent_queue = sent_queue | |
| def process_message(self, *args): | |
| self.sent_queue.put(args) | |
| class DufferValidator(object): | |
| def validate(self, user, password): | |
| return True | |
| def run(host, port, sent_queue): | |
| s = _TestSmtpServer(sent_queue, ('0.0.0.0', port), None, | |
| require_authentication=True, | |
| credential_validator=DufferValidator()) | |
| s.run() | |
| srv_proc = Process(target=run, args=(host, port, sent)) | |
| srv_proc.start() | |
| yield sent | |
| srv_proc.terminate() |
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| import pytest | |
| import smtplib | |
| def test_send(SmtpServer): | |
| sender = smtplib.SMTP() | |
| sender.connect('localhost', 1125) | |
| sender.login('john.doe44', 'correct horse battery staple') | |
| sender_email = '[email protected]' | |
| recipient_email = '[email protected]' | |
| text = 'Hello! Here your invoice.' | |
| sender.sendmail(sender_email, recipient_email, text) | |
| addr, sender, recipients, body = SmtpServer.get(timeout=10) | |
| assert sender_email == sender | |
| assert recipient_email == recipients.pop() | |
| assert body == text | |
| assert SmtpServer.empty() == True |
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