def setUpClass(cls):
# There's no official Exchange server we can test against, and we can't really provide credentials for our
# own test server to everyone on the Internet. Travis-CI uses the encrypted settings.yml.enc for testing.
#
# If you want to test against your own server and account, create your own settings.yml with credentials for
# that server. 'settings.yml.sample' is provided as a template.
try:
with open(os.path.join(os.path.dirname(os.path.dirname(__file__)), 'settings.yml')) as f:
settings = safe_load(f)
except FileNotFoundError:
print('Skipping %s - no settings.yml file found' % cls.__name__)
print('Copy settings.yml.sample to settings.yml and enter values for your test server')
raise unittest.SkipTest('Skipping %s - no settings.yml file found' % cls.__name__)
cls.settings = settings
cls.verify_ssl = settings.get('verify_ssl', True)
if not cls.verify_ssl:
# Allow unverified TLS if requested in settings file
BaseProtocol.HTTP_ADAPTER_CLS = NoVerifyHTTPAdapter
# Create an account shared by all tests
tz = zoneinfo.ZoneInfo('Europe/Copenhagen')
cls.retry_policy = FaultTolerance(max_wait=600)
config = Configuration(
server=settings['server'],
credentials=Credentials(settings['username'], settings['password']),
retry_policy=cls.retry_policy,
)
cls.account = Account(primary_smtp_address=settings['account'], access_type=DELEGATE, config=config,
locale='da_DK', default_timezone=tz)
def setUp(self):
super().setUp()
# Enable retries, to make tests more robust
Autodiscovery.INITIAL_RETRY_POLICY = FaultTolerance(max_wait=5)
Autodiscovery.RETRY_WAIT = 5
# Each test should start with a clean autodiscover cache
clear_cache()
# Some mocking helpers
self.domain = get_domain(self.account.primary_smtp_address)
self.dummy_ad_endpoint = 'https://%s/Autodiscover/Autodiscover.xml' % self.domain
self.dummy_ews_endpoint = 'https://expr.example.com/EWS/Exchange.asmx'
self.dummy_ad_response = b'''\
<?xml version="1.0" encoding="utf-8"?>
<Autodiscover xmlns="http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006">
<Response xmlns="http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a">
<User>
<AutoDiscoverSMTPAddress>%s</AutoDiscoverSMTPAddress>
</User>
<Account>
<AccountType>email</AccountType>
<Action>settings</Action>
<Protocol>
<Type>EXPR</Type>
<EwsUrl>%s</EwsUrl>
</Protocol>
</Account>
</Response>
</Autodiscover>''' % (self.account.primary_smtp_address.encode(),
self.dummy_ews_endpoint.encode())
self.dummy_ews_response = b'''\
def setUpClass(cls):
# There's no official Exchange server we can test against, and we can't really provide credentials for our
# own test server to everyone on the Internet. Travis-CI uses the encrypted settings.yml.enc for testing.
#
# If you want to test against your own server and account, create your own settings.yml with credentials for
# that server. 'settings.yml.sample' is provided as a template.
try:
with open(
os.path.join(os.path.dirname(os.path.dirname(__file__)),
"settings.yml")) as f:
settings = safe_load(f)
except FileNotFoundError:
print(f"Skipping {cls.__name__} - no settings.yml file found")
print(
"Copy settings.yml.sample to settings.yml and enter values for your test server"
)
raise unittest.SkipTest(
f"Skipping {cls.__name__} - no settings.yml file found")
cls.settings = settings
cls.verify_ssl = settings.get("verify_ssl", True)
if not cls.verify_ssl:
# Allow unverified TLS if requested in settings file
BaseProtocol.HTTP_ADAPTER_CLS = NoVerifyHTTPAdapter
# Create an account shared by all tests
cls.tz = zoneinfo.ZoneInfo("Europe/Copenhagen")
cls.retry_policy = FaultTolerance(max_wait=600)
cls.config = Configuration(
server=settings["server"],
credentials=Credentials(settings["username"],
settings["password"]),
retry_policy=cls.retry_policy,
)
cls.account = cls.get_account()
def test_get_service_authtype(self, m):
with self.assertRaises(TransportError) as e:
_ = self.get_test_protocol(auth_type=None).auth_type
self.assertEqual(e.exception.args[0], "XXX")
with self.assertRaises(RateLimitError) as e:
_ = self.get_test_protocol(
auth_type=None,
retry_policy=FaultTolerance(max_wait=0.5)).auth_type
self.assertEqual(e.exception.args[0], "Max timeout reached")
def test_failed_login_via_account(self):
Autodiscovery.INITIAL_RETRY_POLICY = FaultTolerance(max_wait=10)
clear_cache()
with self.assertRaises(AutoDiscoverFailed):
Account(
primary_smtp_address=self.account.primary_smtp_address,
access_type=DELEGATE,
credentials=Credentials(
self.account.protocol.credentials.username,
'WRONG_PASSWORD'),
autodiscover=True,
locale='da_DK',
)
def test_service_account_back_off(self):
# Test back-off logic in FaultTolerance
sa = FaultTolerance()
# Initially, the value is None
self.assertIsNone(sa.back_off_until)
# Test a non-expired back off value
in_a_while = datetime.datetime.now() + datetime.timedelta(seconds=10)
sa.back_off_until = in_a_while
self.assertEqual(sa.back_off_until, in_a_while)
# Test an expired back off value
sa.back_off_until = datetime.datetime.now()
time.sleep(0.001)
self.assertIsNone(sa.back_off_until)
# Test the back_off() helper
sa.back_off(10)
# This is not a precise test. Assuming fast computers, there should be less than 1 second between the two lines.
self.assertEqual(
int(
math.ceil((sa.back_off_until -
datetime.datetime.now()).total_seconds())), 10)
# Test expiry
sa.back_off(0)
time.sleep(0.001)
self.assertIsNone(sa.back_off_until)
# Test default value
sa.back_off(None)
self.assertEqual(
int(
math.ceil((sa.back_off_until -
datetime.datetime.now()).total_seconds())), 60)
def setUp(self):
super().setUp()
# Enable retries, to make tests more robust
Autodiscovery.INITIAL_RETRY_POLICY = FaultTolerance(max_wait=5)
Autodiscovery.RETRY_WAIT = 5
# Each test should start with a clean autodiscover cache
clear_cache()
# Some mocking helpers
self.domain = get_domain(self.account.primary_smtp_address)
self.dummy_ad_endpoint = f"https://{self.domain}/Autodiscover/Autodiscover.xml"
self.dummy_ews_endpoint = "https://expr.example.com/EWS/Exchange.asmx"
self.dummy_ad_response = self.settings_xml(self.account.primary_smtp_address, self.dummy_ews_endpoint)
def test_error_too_many_objects_opened(self, m):
# Test that we can parse ErrorTooManyObjectsOpened via ResponseMessage and return
version = mock_version(build=EXCHANGE_2010)
protocol = mock_protocol(version=version, service_endpoint='example.com')
account = mock_account(version=version, protocol=protocol)
ws = FindFolder(account=account, folders=[None])
xml = b'''\
<s:Envelope
xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Header>
<h:ServerVersionInfo
xmlns:h="http://schemas.microsoft.com/exchange/services/2006/types"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://schemas.microsoft.com/exchange/services/2006/types" MajorVersion="15" MinorVersion="0"
MajorBuildNumber="1497" MinorBuildNumber="6" Version="V2_23"/>
</s:Header>
<s:Body
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<m:FindFolderResponse
xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages"
xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types">
<m:ResponseMessages>
<m:FindFolderResponseMessage ResponseClass="Error">
<m:MessageText>Too many concurrent connections opened.</m:MessageText>
<m:ResponseCode>ErrorTooManyObjectsOpened</m:ResponseCode>
<m:DescriptiveLinkKey>0</m:DescriptiveLinkKey>
</m:FindFolderResponseMessage>
</m:ResponseMessages>
</m:FindFolderResponse>
</s:Body>
</s:Envelope>'''
header, body = ws._get_soap_parts(response=MockResponse(xml))
# Just test that we can parse the error
with self.assertRaises(ErrorTooManyObjectsOpened):
list(ws._get_elements_in_response(response=ws._get_soap_messages(body=body)))
# Test that it gets converted to an ErrorServerBusy exception. This happens deep inside EWSService methods
# so it's easier to only mock the response.
self.account.root # Needed to get past the GetFolder request
m.post(self.account.protocol.service_endpoint, content=xml)
self.account.protocol.config.retry_policy = FaultTolerance(max_wait=0)
with self.assertRaises(ErrorServerBusy) as e:
list(FolderCollection(account=self.account, folders=[self.account.root]).find_folders())
self.assertEqual(e.exception.back_off, None) # ErrorTooManyObjectsOpened has no BackOffMilliseconds value
def test_error_too_many_objects_opened(self, m):
# Test that we can parse ErrorTooManyObjectsOpened via ResponseMessage and return
version = mock_version(build=EXCHANGE_2010)
protocol = mock_protocol(version=version,
service_endpoint="example.com")
account = mock_account(version=version, protocol=protocol)
ws = FindFolder(account=account)
xml = b"""\
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<m:FindFolderResponse
xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages"
xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types">
<m:ResponseMessages>
<m:FindFolderResponseMessage ResponseClass="Error">
<m:MessageText>Too many concurrent connections opened.</m:MessageText>
<m:ResponseCode>ErrorTooManyObjectsOpened</m:ResponseCode>
<m:DescriptiveLinkKey>0</m:DescriptiveLinkKey>
</m:FindFolderResponseMessage>
</m:ResponseMessages>
</m:FindFolderResponse>
</s:Body>
</s:Envelope>"""
# Just test that we can parse the error
with self.assertRaises(ErrorTooManyObjectsOpened):
list(ws.parse(xml))
# Test that it gets converted to an ErrorServerBusy exception. This happens deep inside EWSService methods
# so it's easier to only mock the response.
self.account.root # Needed to get past the GetFolder request
m.post(self.account.protocol.service_endpoint, content=xml)
orig_policy = self.account.protocol.config.retry_policy
try:
self.account.protocol.config.retry_policy = FaultTolerance(
max_wait=0)
with self.assertRaises(ErrorServerBusy) as e:
list(
FolderCollection(account=self.account,
folders=[self.account.root
]).find_folders())
self.assertEqual(
e.exception.back_off, None
) # ErrorTooManyObjectsOpened has no BackOffMilliseconds value
finally:
self.account.protocol.config.retry_policy = orig_policy
def test_pickle(self):
# Test that we can pickle various objects
item = Message(folder=self.account.inbox, subject='XXX', categories=self.categories).save()
attachment = FileAttachment(name='pickle_me.txt', content=b'')
for o in (
FaultTolerance(max_wait=3600),
self.account.protocol,
attachment,
self.account.root,
self.account.inbox,
self.account,
item,
):
with self.subTest(o=o):
pickled_o = pickle.dumps(o)
unpickled_o = pickle.loads(pickled_o)
self.assertIsInstance(unpickled_o, type(o))
if not isinstance(o, (Account, Protocol, FaultTolerance)):
# __eq__ is not defined on some classes
self.assertEqual(o, unpickled_o)
def test_post_ratelimited(self):
url = 'https://example.com'
protocol = self.account.protocol
orig_policy = protocol.config.retry_policy
RETRY_WAIT = exchangelib.util.RETRY_WAIT
MAX_REDIRECTS = exchangelib.util.MAX_REDIRECTS
session = protocol.get_session()
try:
# Make sure we fail fast in error cases
protocol.config.retry_policy = FailFast()
# Test the straight, HTTP 200 path
session.post = mock_post(url, 200, {}, 'foo')
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
self.assertEqual(r.content, b'foo')
# Test exceptions raises by the POST request
for err_cls in CONNECTION_ERRORS:
session.post = mock_session_exception(err_cls)
with self.assertRaises(err_cls):
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
# Test bad exit codes and headers
session.post = mock_post(url, 401, {})
with self.assertRaises(UnauthorizedError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
session.post = mock_post(url, 999, {'connection': 'close'})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
session.post = mock_post(
url, 302, {
'location':
'/ews/genericerrorpage.htm?aspxerrorpath=/ews/exchange.asmx'
})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
session.post = mock_post(url, 503, {})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
# No redirect header
session.post = mock_post(url, 302, {})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='')
# Redirect header to same location
session.post = mock_post(url, 302, {'location': url})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='')
# Redirect header to relative location
session.post = mock_post(url, 302, {'location': url + '/foo'})
with self.assertRaises(RedirectError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='')
# Redirect header to other location and allow_redirects=False
session.post = mock_post(url, 302,
{'location': 'https://contoso.com'})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='')
# Redirect header to other location and allow_redirects=True
exchangelib.util.MAX_REDIRECTS = 0
session.post = mock_post(url, 302,
{'location': 'https://contoso.com'})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='',
allow_redirects=True)
# CAS error
session.post = mock_post(url, 999, {'X-CasErrorCode': 'AAARGH!'})
with self.assertRaises(CASError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='')
# Allow XML data in a non-HTTP 200 response
session.post = mock_post(url, 500, {},
'<?xml version="1.0" ?><foo></foo>')
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='')
self.assertEqual(r.content, b'<?xml version="1.0" ?><foo></foo>')
# Bad status_code and bad text
session.post = mock_post(url, 999, {})
with self.assertRaises(TransportError):
r, session = post_ratelimited(protocol=protocol,
session=session,
url=url,
headers=None,
data='')
# Test rate limit exceeded
exchangelib.util.RETRY_WAIT = 1
protocol.config.retry_policy = FaultTolerance(
max_wait=0.5) # Fail after first RETRY_WAIT
session.post = mock_post(url, 503, {'connection': 'close'})
# Mock renew_session to return the same session so the session object's 'post' method is still mocked
protocol.renew_session = lambda s: s
with self.assertRaises(RateLimitError) as rle:
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
self.assertEqual(rle.exception.status_code, 503)
self.assertEqual(rle.exception.url, url)
self.assertTrue(1 <= rle.exception.total_wait <
2) # One RETRY_WAIT plus some overhead
# Test something larger than the default wait, so we retry at least once
protocol.retry_policy.max_wait = 3 # Fail after second RETRY_WAIT
session.post = mock_post(url, 503, {'connection': 'close'})
with self.assertRaises(RateLimitError) as rle:
r, session = post_ratelimited(protocol=protocol,
session=session,
url='http://',
headers=None,
data='')
self.assertEqual(rle.exception.status_code, 503)
self.assertEqual(rle.exception.url, url)
# We double the wait for each retry, so this is RETRY_WAIT + 2*RETRY_WAIT plus some overhead
self.assertTrue(3 <= rle.exception.total_wait < 4,
rle.exception.total_wait)
finally:
protocol.retire_session(
session) # We have patched the session, so discard it
# Restore patched attributes and functions
protocol.config.retry_policy = orig_policy
exchangelib.util.RETRY_WAIT = RETRY_WAIT
exchangelib.util.MAX_REDIRECTS = MAX_REDIRECTS
try:
delattr(protocol, 'renew_session')
except AttributeError:
pass
def setUpClass(cls):
super(AutodiscoverTest, cls).setUpClass()
AutodiscoverProtocol.INITIAL_RETRY_POLICY = FaultTolerance(max_wait=30)
