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✏️ Editing: test_starttls.py

# Copyright (c) 2015, Menno Smits
# Released subject to the New BSD License
# Please see http://en.wikipedia.org/wiki/BSD_licenses

from __future__ import unicode_literals

from mock import Mock, patch, sentinel

from ..imapclient import IMAPClient
from .imapclient_test import IMAPClientTest

class TestStarttls(IMAPClientTest):

def setUp(self):
        super(TestStarttls, self).setUp()

patcher = patch("imapclient.imapclient.tls")
        self.tls = patcher.start()
        self.addCleanup(patcher.stop)

self.client._imap.sock = sentinel.old_sock

self.new_sock = Mock()
        self.new_sock.makefile.return_value = sentinel.file
        self.tls.wrap_socket.return_value = self.new_sock

self.client.host = sentinel.host
        self.client.ssl = False
        self.client._starttls_done = False
        self.client._imap._simple_command.return_value = "OK", [b'start TLS negotiation']

def test_works(self):
        resp = self.client.starttls(sentinel.ssl_context)

self.tls.wrap_socket.assert_called_once_with(
            sentinel.old_sock,
            sentinel.ssl_context,
            sentinel.host,
        )
        self.new_sock.makefile.assert_called_once_with()
        self.assertEqual(self.client._imap.file, sentinel.file)
        self.assertEqual(resp, b'start TLS negotiation')

def test_command_fails(self):
        self.client._imap._simple_command.return_value = "NO", [b'sorry']

with self.assertRaises(IMAPClient.Error) as raised:
            self.client.starttls(sentinel.ssl_context)
        self.assertEqual(str(raised.exception), "starttls failed: sorry")

def test_fails_if_called_twice(self):
        self.client.starttls(sentinel.ssl_context)
        self.assert_tls_already_established()

def test_fails_if_ssl_true(self):
        self.client.ssl = True
        self.assert_tls_already_established()

def assert_tls_already_established(self):
        with self.assertRaises(IMAPClient.AbortError) as raised:
            self.client.starttls(sentinel.ssl_context)
        self.assertEqual(str(raised.exception), "TLS session already established")

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