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Add missing type hints for tests.unittest. (#13397)

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Patrick Cloke 2022-07-27 13:18:41 -04:00 • committed by GitHub
parent 502f075e96
commit 922b771337
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6 changed files with 66 additions and 52 deletions
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86
tests/unittest.py
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@ -28,6 +28,7 @@ from typing import (
Generic,
Iterable,
List,
NoReturn,
Optional,
Tuple,
Type,
@ -39,7 +40,7 @@ from unittest.mock import Mock, patch
import canonicaljson
import signedjson.key
import unpaddedbase64
from typing_extensions import Protocol
from typing_extensions import Concatenate, ParamSpec, Protocol
from twisted.internet.defer import Deferred, ensureDeferred
from twisted.python.failure import Failure
@ -67,7 +68,7 @@ from synapse.logging.context import (
from synapse.rest import RegisterServletsFunc
from synapse.server import HomeServer
from synapse.storage.keys import FetchKeyResult
from synapse.types import JsonDict, UserID, create_requester
from synapse.types import JsonDict, Requester, UserID, create_requester
from synapse.util import Clock
from synapse.util.httpresourcetree import create_resource_tree
@ -88,6 +89,10 @@ setup_logging()
TV = TypeVar("TV")
_ExcType = TypeVar("_ExcType", bound=BaseException, covariant=True)
P = ParamSpec("P")
R = TypeVar("R")
S = TypeVar("S")
class _TypedFailure(Generic[_ExcType], Protocol):
"""Extension to twisted.Failure, where the 'value' has a certain type."""
@ -97,7 +102,7 @@ class _TypedFailure(Generic[_ExcType], Protocol):
...
def around(target):
def around(target: TV) -> Callable[[Callable[Concatenate[S, P], R]], None]:
"""A CLOS-style 'around' modifier, which wraps the original method of the
given instance with another piece of code.
@ -106,11 +111,11 @@ def around(target):
return orig(*args, **kwargs)
"""
def _around(code):
def _around(code: Callable[Concatenate[S, P], R]) -> None:
name = code.__name__
orig = getattr(target, name)
def new(*args, **kwargs):
def new(*args: P.args, **kwargs: P.kwargs) -> R:
return code(orig, *args, **kwargs)
setattr(target, name, new)
@ -131,7 +136,7 @@ class TestCase(unittest.TestCase):
level = getattr(method, "loglevel", getattr(self, "loglevel", None))
@around(self)
def setUp(orig):
def setUp(orig: Callable[[], R]) -> R:
# if we're not starting in the sentinel logcontext, then to be honest
# all future bets are off.
if current_context():
@ -144,7 +149,7 @@ class TestCase(unittest.TestCase):
if level is not None and old_level != level:
@around(self)
def tearDown(orig):
def tearDown(orig: Callable[[], R]) -> R:
ret = orig()
logging.getLogger().setLevel(old_level)
return ret
@ -158,7 +163,7 @@ class TestCase(unittest.TestCase):
return orig()
@around(self)
def tearDown(orig):
def tearDown(orig: Callable[[], R]) -> R:
ret = orig()
# force a GC to workaround problems with deferreds leaking logcontexts when
# they are GCed (see the logcontext docs)
@ -167,7 +172,7 @@ class TestCase(unittest.TestCase):
return ret
def assertObjectHasAttributes(self, attrs, obj):
def assertObjectHasAttributes(self, attrs: Dict[str, object], obj: object) -> None:
"""Asserts that the given object has each of the attributes given, and
that the value of each matches according to assertEqual."""
for key in attrs.keys():
@ -178,12 +183,12 @@ class TestCase(unittest.TestCase):
except AssertionError as e:
raise (type(e))(f"Assert error for '.{key}':") from e
def assert_dict(self, required, actual):
def assert_dict(self, required: dict, actual: dict) -> None:
"""Does a partial assert of a dict.
Args:
required (dict): The keys and value which MUST be in 'actual'.
actual (dict): The test result. Extra keys will not be checked.
required: The keys and value which MUST be in 'actual'.
actual: The test result. Extra keys will not be checked.
"""
for key in required:
self.assertEqual(
@ -191,31 +196,31 @@ class TestCase(unittest.TestCase):
)
def DEBUG(target):
def DEBUG(target: TV) -> TV:
"""A decorator to set the .loglevel attribute to logging.DEBUG.
Can apply to either a TestCase or an individual test method."""
target.loglevel = logging.DEBUG
target.loglevel = logging.DEBUG # type: ignore[attr-defined]
return target
def INFO(target):
def INFO(target: TV) -> TV:
"""A decorator to set the .loglevel attribute to logging.INFO.
Can apply to either a TestCase or an individual test method."""
target.loglevel = logging.INFO
target.loglevel = logging.INFO # type: ignore[attr-defined]
return target
def logcontext_clean(target):
def logcontext_clean(target: TV) -> TV:
"""A decorator which marks the TestCase or method as 'logcontext_clean'
... ie, any logcontext errors should cause a test failure
"""
def logcontext_error(msg):
def logcontext_error(msg: str) -> NoReturn:
raise AssertionError("logcontext error: %s" % (msg))
patcher = patch("synapse.logging.context.logcontext_error", new=logcontext_error)
return patcher(target)
return patcher(target) # type: ignore[call-overload]
class HomeserverTestCase(TestCase):
@ -255,7 +260,7 @@ class HomeserverTestCase(TestCase):
method = getattr(self, methodName)
self._extra_config = getattr(method, "_extra_config", None)
def setUp(self):
def setUp(self) -> None:
"""
Set up the TestCase by calling the homeserver constructor, optionally
hijacking the authentication system to return a fixed user, and then
@ -306,7 +311,9 @@ class HomeserverTestCase(TestCase):
)
)
async def get_user_by_access_token(token=None, allow_guest=False):
async def get_user_by_access_token(
token: Optional[str] = None, allow_guest: bool = False
) -> JsonDict:
assert self.helper.auth_user_id is not None
return {
"user": UserID.from_string(self.helper.auth_user_id),
@ -314,7 +321,11 @@ class HomeserverTestCase(TestCase):
"is_guest": False,
}
async def get_user_by_req(request, allow_guest=False):
async def get_user_by_req(
request: SynapseRequest,
allow_guest: bool = False,
allow_expired: bool = False,
) -> Requester:
assert self.helper.auth_user_id is not None
return create_requester(
UserID.from_string(self.helper.auth_user_id),
@ -339,11 +350,11 @@ class HomeserverTestCase(TestCase):
if hasattr(self, "prepare"):
self.prepare(self.reactor, self.clock, self.hs)
def tearDown(self):
def tearDown(self) -> None:
# Reset to not use frozen dicts.
events.USE_FROZEN_DICTS = False
def wait_on_thread(self, deferred, timeout=10):
def wait_on_thread(self, deferred: Deferred, timeout: int = 10) -> None:
"""
Wait until a Deferred is done, where it's waiting on a real thread.
"""
@ -374,7 +385,7 @@ class HomeserverTestCase(TestCase):
clock (synapse.util.Clock): The Clock, associated with the reactor.
Returns:
A homeserver (synapse.server.HomeServer) suitable for testing.
A homeserver suitable for testing.
Function to be overridden in subclasses.
"""
@ -408,7 +419,7 @@ class HomeserverTestCase(TestCase):
"/_synapse/admin": servlet_resource,
}
def default_config(self):
def default_config(self) -> JsonDict:
"""
Get a default HomeServer config dict.
"""
@ -421,7 +432,9 @@ class HomeserverTestCase(TestCase):
return config
def prepare(self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer):
def prepare(
self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
) -> None:
"""
Prepare for the test. This involves things like mocking out parts of
the homeserver, or building test data common across the whole test
@ -519,7 +532,7 @@ class HomeserverTestCase(TestCase):
config_obj.parse_config_dict(config, "", "")
kwargs["config"] = config_obj
async def run_bg_updates():
async def run_bg_updates() -> None:
with LoggingContext("run_bg_updates"):
self.get_success(stor.db_pool.updates.run_background_updates(False))
@ -538,11 +551,7 @@ class HomeserverTestCase(TestCase):
"""
self.reactor.pump([by] * 100)
def get_success(
self,
d: Awaitable[TV],
by: float = 0.0,
) -> TV:
def get_success(self, d: Awaitable[TV], by: float = 0.0) -> TV:
deferred: Deferred[TV] = ensureDeferred(d) # type: ignore[arg-type]
self.pump(by=by)
return self.successResultOf(deferred)
@ -755,7 +764,7 @@ class FederatingHomeserverTestCase(HomeserverTestCase):
OTHER_SERVER_NAME = "other.example.com"
OTHER_SERVER_SIGNATURE_KEY = signedjson.key.generate_signing_key("test")
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer):
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
super().prepare(reactor, clock, hs)
# poke the other server's signing key into the key store, so that we don't
@ -879,7 +888,7 @@ def _auth_header_for_request(
)
def override_config(extra_config):
def override_config(extra_config: JsonDict) -> Callable[[TV], TV]:
"""A decorator which can be applied to test functions to give additional HS config
For use
@ -892,12 +901,13 @@ def override_config(extra_config):
...
Args:
extra_config(dict): Additional config settings to be merged into the default
extra_config: Additional config settings to be merged into the default
config dict before instantiating the test homeserver.
"""
def decorator(func):
func._extra_config = extra_config
def decorator(func: TV) -> TV:
# This attribute is being defined.
func._extra_config = extra_config # type: ignore[attr-defined]
return func
return decorator