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Add missing type hints to tests. (#14687) 

Adds type hints to tests.metrics and tests.crypto.
This commit is contained in:
Patrick Cloke 2022-12-28 08:29:35 -05:00 committed by GitHub
parent 2fb4071c1f
commit a4ca770655
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 95 additions and 64 deletions
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1
changelog.d/14687.misc Normal file
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@ -0,0 +1 @@
Add missing type hints.

6
mypy.ini
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@ -36,7 +36,6 @@ exclude = (?x)
|tests/api/test_ratelimiting.py
|tests/app/test_openid_listener.py
|tests/appservice/test_scheduler.py
|tests/crypto/test_keyring.py
|tests/events/test_presence_router.py
|tests/events/test_utils.py
|tests/federation/test_federation_catch_up.py
@ -90,13 +89,16 @@ disallow_untyped_defs = False
[mypy-tests.config.*]
disallow_untyped_defs = True
[mypy-tests.crypto.*]
disallow_untyped_defs = True
[mypy-tests.federation.transport.test_client]
disallow_untyped_defs = True
[mypy-tests.handlers.*]
disallow_untyped_defs = True
[mypy-tests.metrics.test_background_process_metrics]
[mypy-tests.metrics.*]
disallow_untyped_defs = True
[mypy-tests.push.test_bulk_push_rule_evaluator]

6
tests/crypto/test_event_signing.py
View File

@ -33,12 +33,12 @@ HOSTNAME = "domain"
class EventSigningTestCase(unittest.TestCase):
def setUp(self):
def setUp(self) -> None:
self.signing_key: SigningKey = decode_signing_key_base64(
KEY_ALG, KEY_VER, SIGNING_KEY_SEED
)
def test_sign_minimal(self):
def test_sign_minimal(self) -> None:
event_dict = {
"event_id": "$0:domain",
"origin": "domain",
@ -69,7 +69,7 @@ class EventSigningTestCase(unittest.TestCase):
"aIbygsSdLOFzvdDjww8zUVKCmI02eP9xtyJxc/cLiBA",
)
def test_sign_message(self):
def test_sign_message(self) -> None:
event_dict = {
"content": {"body": "Here is the message content"},
"event_id": "$0:domain",

122
tests/crypto/test_keyring.py
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@ -12,7 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import time
from typing import Dict, List
from typing import Any, Dict, List, Optional, cast
from unittest.mock import Mock
import attr
@ -20,10 +20,11 @@ import canonicaljson
import signedjson.key
import signedjson.sign
from signedjson.key import encode_verify_key_base64, get_verify_key
from signedjson.types import SigningKey
from signedjson.types import SigningKey, VerifyKey
from twisted.internet import defer
from twisted.internet.defer import Deferred, ensureDeferred
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.errors import SynapseError
from synapse.crypto import keyring
@ -33,11 +34,15 @@ from synapse.crypto.keyring import (
StoreKeyFetcher,
)
from synapse.logging.context import (
ContextRequest,
LoggingContext,
current_context,
make_deferred_yieldable,
)
from synapse.server import HomeServer
from synapse.storage.keys import FetchKeyResult
from synapse.types import JsonDict
from synapse.util import Clock
from tests import unittest
from tests.test_utils import make_awaitable
@ -45,15 +50,15 @@ from tests.unittest import logcontext_clean, override_config
class MockPerspectiveServer:
def __init__(self):
def __init__(self) -> None:
self.server_name = "mock_server"
self.key = signedjson.key.generate_signing_key(0)
self.key = signedjson.key.generate_signing_key("0")
def get_verify_keys(self):
def get_verify_keys(self) -> Dict[str, str]:
vk = signedjson.key.get_verify_key(self.key)
return {"%s:%s" % (vk.alg, vk.version): encode_verify_key_base64(vk)}
def get_signed_key(self, server_name, verify_key):
def get_signed_key(self, server_name: str, verify_key: VerifyKey) -> JsonDict:
key_id = "%s:%s" % (verify_key.alg, verify_key.version)
res = {
"server_name": server_name,
@ -64,34 +69,36 @@ class MockPerspectiveServer:
self.sign_response(res)
return res
def sign_response(self, res):
def sign_response(self, res: JsonDict) -> None:
signedjson.sign.sign_json(res, self.server_name, self.key)
@attr.s(slots=True)
@attr.s(slots=True, auto_attribs=True)
class FakeRequest:
id = attr.ib()
id: str
@logcontext_clean
class KeyringTestCase(unittest.HomeserverTestCase):
def check_context(self, val, expected):
def check_context(
self, val: ContextRequest, expected: Optional[ContextRequest]
) -> ContextRequest:
self.assertEqual(getattr(current_context(), "request", None), expected)
return val
def test_verify_json_objects_for_server_awaits_previous_requests(self):
def test_verify_json_objects_for_server_awaits_previous_requests(self) -> None:
mock_fetcher = Mock()
mock_fetcher.get_keys = Mock()
kr = keyring.Keyring(self.hs, key_fetchers=(mock_fetcher,))
# a signed object that we are going to try to validate
key1 = signedjson.key.generate_signing_key(1)
json1 = {}
key1 = signedjson.key.generate_signing_key("1")
json1: JsonDict = {}
signedjson.sign.sign_json(json1, "server10", key1)
# start off a first set of lookups. We make the mock fetcher block until this
# deferred completes.
first_lookup_deferred = Deferred()
first_lookup_deferred: "Deferred[None]" = Deferred()
async def first_lookup_fetch(
server_name: str, key_ids: List[str], minimum_valid_until_ts: int
@ -106,8 +113,10 @@ class KeyringTestCase(unittest.HomeserverTestCase):
mock_fetcher.get_keys.side_effect = first_lookup_fetch
async def first_lookup():
with LoggingContext("context_11", request=FakeRequest("context_11")):
async def first_lookup() -> None:
with LoggingContext(
"context_11", request=cast(ContextRequest, FakeRequest("context_11"))
):
res_deferreds = kr.verify_json_objects_for_server(
[("server10", json1, 0), ("server11", {}, 0)]
)
@ -144,8 +153,10 @@ class KeyringTestCase(unittest.HomeserverTestCase):
mock_fetcher.get_keys.side_effect = second_lookup_fetch
second_lookup_state = [0]
async def second_lookup():
with LoggingContext("context_12", request=FakeRequest("context_12")):
async def second_lookup() -> None:
with LoggingContext(
"context_12", request=cast(ContextRequest, FakeRequest("context_12"))
):
res_deferreds_2 = kr.verify_json_objects_for_server(
[
(
@ -175,10 +186,10 @@ class KeyringTestCase(unittest.HomeserverTestCase):
self.get_success(d0)
self.get_success(d2)
def test_verify_json_for_server(self):
def test_verify_json_for_server(self) -> None:
kr = keyring.Keyring(self.hs)
key1 = signedjson.key.generate_signing_key(1)
key1 = signedjson.key.generate_signing_key("1")
r = self.hs.get_datastores().main.store_server_verify_keys(
"server9",
time.time() * 1000,
@ -186,7 +197,7 @@ class KeyringTestCase(unittest.HomeserverTestCase):
)
self.get_success(r)
json1 = {}
json1: JsonDict = {}
signedjson.sign.sign_json(json1, "server9", key1)
# should fail immediately on an unsigned object
@ -198,12 +209,12 @@ class KeyringTestCase(unittest.HomeserverTestCase):
# self.assertFalse(d.called)
self.get_success(d)
def test_verify_for_local_server(self):
def test_verify_for_local_server(self) -> None:
"""Ensure that locally signed JSON can be verified without fetching keys
over federation
"""
kr = keyring.Keyring(self.hs)
json1 = {}
json1: JsonDict = {}
signedjson.sign.sign_json(json1, self.hs.hostname, self.hs.signing_key)
# Test that verify_json_for_server succeeds on a object signed by ourselves
@ -216,22 +227,24 @@ class KeyringTestCase(unittest.HomeserverTestCase):
{
"old_signing_keys": {
f"{OLD_KEY.alg}:{OLD_KEY.version}": {
"key": encode_verify_key_base64(OLD_KEY.verify_key),
"key": encode_verify_key_base64(
signedjson.key.get_verify_key(OLD_KEY)
),
"expired_ts": 1000,
}
}
}
)
def test_verify_for_local_server_old_key(self):
def test_verify_for_local_server_old_key(self) -> None:
"""Can also use keys in old_signing_keys for verification"""
json1 = {}
json1: JsonDict = {}
signedjson.sign.sign_json(json1, self.hs.hostname, self.OLD_KEY)
kr = keyring.Keyring(self.hs)
d = kr.verify_json_for_server(self.hs.hostname, json1, 0)
self.get_success(d)
def test_verify_for_local_server_unknown_key(self):
def test_verify_for_local_server_unknown_key(self) -> None:
"""Local keys that we no longer have should be fetched via the fetcher"""
# the key we'll sign things with (nb, not known to the Keyring)
@ -253,14 +266,14 @@ class KeyringTestCase(unittest.HomeserverTestCase):
)
# sign the json
json1 = {}
json1: JsonDict = {}
signedjson.sign.sign_json(json1, self.hs.hostname, key2)
# ... and check we can verify it.
d = kr.verify_json_for_server(self.hs.hostname, json1, 0)
self.get_success(d)
def test_verify_json_for_server_with_null_valid_until_ms(self):
def test_verify_json_for_server_with_null_valid_until_ms(self) -> None:
"""Tests that we correctly handle key requests for keys we've stored
with a null `ts_valid_until_ms`
"""
@ -271,15 +284,18 @@ class KeyringTestCase(unittest.HomeserverTestCase):
self.hs, key_fetchers=(StoreKeyFetcher(self.hs), mock_fetcher)
)
key1 = signedjson.key.generate_signing_key(1)
key1 = signedjson.key.generate_signing_key("1")
r = self.hs.get_datastores().main.store_server_verify_keys(
"server9",
time.time() * 1000,
[("server9", get_key_id(key1), FetchKeyResult(get_verify_key(key1), None))],
# None is not a valid value in FetchKeyResult, but we're abusing this
# API to insert null values into the database. The nulls get converted
# to 0 when fetched in KeyStore.get_server_verify_keys.
[("server9", get_key_id(key1), FetchKeyResult(get_verify_key(key1), None))], # type: ignore[arg-type]
)
self.get_success(r)
json1 = {}
json1: JsonDict = {}
signedjson.sign.sign_json(json1, "server9", key1)
# should fail immediately on an unsigned object
@ -304,9 +320,9 @@ class KeyringTestCase(unittest.HomeserverTestCase):
)
self.get_success(d)
def test_verify_json_dedupes_key_requests(self):
def test_verify_json_dedupes_key_requests(self) -> None:
"""Two requests for the same key should be deduped."""
key1 = signedjson.key.generate_signing_key(1)
key1 = signedjson.key.generate_signing_key("1")
async def get_keys(
server_name: str, key_ids: List[str], minimum_valid_until_ts: int
@ -322,7 +338,7 @@ class KeyringTestCase(unittest.HomeserverTestCase):
mock_fetcher.get_keys = Mock(side_effect=get_keys)
kr = keyring.Keyring(self.hs, key_fetchers=(mock_fetcher,))
json1 = {}
json1: JsonDict = {}
signedjson.sign.sign_json(json1, "server1", key1)
# the first request should succeed; the second should fail because the key
@ -346,9 +362,9 @@ class KeyringTestCase(unittest.HomeserverTestCase):
# there should have been a single call to the fetcher
mock_fetcher.get_keys.assert_called_once()
def test_verify_json_falls_back_to_other_fetchers(self):
def test_verify_json_falls_back_to_other_fetchers(self) -> None:
"""If the first fetcher cannot provide a recent enough key, we fall back"""
key1 = signedjson.key.generate_signing_key(1)
key1 = signedjson.key.generate_signing_key("1")
async def get_keys1(
server_name: str, key_ids: List[str], minimum_valid_until_ts: int
@ -372,7 +388,7 @@ class KeyringTestCase(unittest.HomeserverTestCase):
mock_fetcher2.get_keys = Mock(side_effect=get_keys2)
kr = keyring.Keyring(self.hs, key_fetchers=(mock_fetcher1, mock_fetcher2))
json1 = {}
json1: JsonDict = {}
signedjson.sign.sign_json(json1, "server1", key1)
results = kr.verify_json_objects_for_server(
@ -402,12 +418,12 @@ class KeyringTestCase(unittest.HomeserverTestCase):
@logcontext_clean
class ServerKeyFetcherTestCase(unittest.HomeserverTestCase):
def make_homeserver(self, reactor, clock):
def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
self.http_client = Mock()
hs = self.setup_test_homeserver(federation_http_client=self.http_client)
return hs
def test_get_keys_from_server(self):
def test_get_keys_from_server(self) -> None:
# arbitrarily advance the clock a bit
self.reactor.advance(100)
@ -431,7 +447,7 @@ class ServerKeyFetcherTestCase(unittest.HomeserverTestCase):
}
signedjson.sign.sign_json(response, SERVER_NAME, testkey)
async def get_json(destination, path, **kwargs):
async def get_json(destination: str, path: str, **kwargs: Any) -> JsonDict:
self.assertEqual(destination, SERVER_NAME)
self.assertEqual(path, "/_matrix/key/v2/server")
return response
@ -471,7 +487,7 @@ class ServerKeyFetcherTestCase(unittest.HomeserverTestCase):
class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
def make_homeserver(self, reactor, clock):
def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
self.mock_perspective_server = MockPerspectiveServer()
self.http_client = Mock()
@ -522,7 +538,9 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
Tell the mock http client to expect a perspectives-server key query
"""
async def post_json(destination, path, data, **kwargs):
async def post_json(
destination: str, path: str, data: JsonDict, **kwargs: Any
) -> JsonDict:
self.assertEqual(destination, self.mock_perspective_server.server_name)
self.assertEqual(path, "/_matrix/key/v2/query")
@ -533,7 +551,7 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
self.http_client.post_json.side_effect = post_json
def test_get_keys_from_perspectives(self):
def test_get_keys_from_perspectives(self) -> None:
# arbitrarily advance the clock a bit
self.reactor.advance(100)
@ -578,7 +596,7 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
bytes(res["key_json"]), canonicaljson.encode_canonical_json(response)
)
def test_get_multiple_keys_from_perspectives(self):
def test_get_multiple_keys_from_perspectives(self) -> None:
"""Check that we can correctly request multiple keys for the same server"""
fetcher = PerspectivesKeyFetcher(self.hs)
@ -606,7 +624,9 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
VALID_UNTIL_TS,
)
async def post_json(destination, path, data, **kwargs):
async def post_json(
destination: str, path: str, data: JsonDict, **kwargs: str
) -> JsonDict:
self.assertEqual(destination, self.mock_perspective_server.server_name)
self.assertEqual(path, "/_matrix/key/v2/query")
@ -648,7 +668,7 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
# finally, ensure that only one request was sent
self.assertEqual(self.http_client.post_json.call_count, 1)
def test_get_perspectives_own_key(self):
def test_get_perspectives_own_key(self) -> None:
"""Check that we can get the perspectives server's own keys
This is slightly complicated by the fact that the perspectives server may
@ -697,7 +717,7 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
bytes(res["key_json"]), canonicaljson.encode_canonical_json(response)
)
def test_invalid_perspectives_responses(self):
def test_invalid_perspectives_responses(self) -> None:
"""Check that invalid responses from the perspectives server are rejected"""
# arbitrarily advance the clock a bit
self.reactor.advance(100)
@ -708,12 +728,12 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
testverifykey_id = "ed25519:ver1"
VALID_UNTIL_TS = 200 * 1000
def build_response():
def build_response() -> dict:
return self.build_perspectives_response(
SERVER_NAME, testkey, VALID_UNTIL_TS
)
def get_key_from_perspectives(response):
def get_key_from_perspectives(response: JsonDict) -> Dict[str, FetchKeyResult]:
fetcher = PerspectivesKeyFetcher(self.hs)
self.expect_outgoing_key_query(SERVER_NAME, "key1", response)
return self.get_success(fetcher.get_keys(SERVER_NAME, ["key1"], 0))
@ -737,6 +757,6 @@ class PerspectivesKeyFetcherTestCase(unittest.HomeserverTestCase):
self.assertEqual(keys, {}, "Expected empty dict with missing origin server sig")
def get_key_id(key):
def get_key_id(key: SigningKey) -> str:
"""Get the matrix ID tag for a given SigningKey or VerifyKey"""
return "%s:%s" % (key.alg, key.version)

24
tests/metrics/test_metrics.py
View File

@ -12,6 +12,8 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Dict, Tuple
from typing_extensions import Protocol
try:
@ -22,6 +24,7 @@ except ImportError:
from unittest.mock import patch
from pkg_resources import parse_version
from prometheus_client.core import Sample
from synapse.app._base import _set_prometheus_client_use_created_metrics
from synapse.metrics import REGISTRY, InFlightGauge, generate_latest
@ -30,7 +33,7 @@ from synapse.util.caches.deferred_cache import DeferredCache
from tests import unittest
def get_sample_labels_value(sample):
def get_sample_labels_value(sample: Sample) -> Tuple[Dict[str, str], float]:
"""Extract the labels and values of a sample.
prometheus_client 0.5 changed the sample type to a named tuple with more
@ -48,12 +51,15 @@ def get_sample_labels_value(sample):
return sample.labels, sample.value
# Otherwise fall back to treating it as a plain 3 tuple.
else:
_, labels, value = sample
# In older versions of prometheus_client Sample was a 3-tuple.
labels: Dict[str, str]
value: float
_, labels, value = sample # type: ignore[misc]
return labels, value
class TestMauLimit(unittest.TestCase):
def test_basic(self):
def test_basic(self) -> None:
class MetricEntry(Protocol):
foo: int
bar: int
@ -62,11 +68,11 @@ class TestMauLimit(unittest.TestCase):
"test1", "", labels=["test_label"], sub_metrics=["foo", "bar"]
)
def handle1(metrics):
def handle1(metrics: MetricEntry) -> None:
metrics.foo += 2
metrics.bar = max(metrics.bar, 5)
def handle2(metrics):
def handle2(metrics: MetricEntry) -> None:
metrics.foo += 3
metrics.bar = max(metrics.bar, 7)
@ -116,7 +122,9 @@ class TestMauLimit(unittest.TestCase):
self.get_metrics_from_gauge(gauge),
)
def get_metrics_from_gauge(self, gauge):
def get_metrics_from_gauge(
self, gauge: InFlightGauge
) -> Dict[str, Dict[Tuple[str, ...], float]]:
results = {}
for r in gauge.collect():
@ -129,7 +137,7 @@ class TestMauLimit(unittest.TestCase):
class BuildInfoTests(unittest.TestCase):
def test_get_build(self):
def test_get_build(self) -> None:
"""
The synapse_build_info metric reports the OS version, Python version,
and Synapse version.
@ -147,7 +155,7 @@ class BuildInfoTests(unittest.TestCase):
class CacheMetricsTests(unittest.HomeserverTestCase):
def test_cache_metric(self):
def test_cache_metric(self) -> None:
"""
Caches produce metrics reflecting their state when scraped.
"""