From a4ca770655a6b067468de3d507292ec133fdc5ca Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Wed, 28 Dec 2022 08:29:35 -0500 Subject: [PATCH] Add missing type hints to tests. (#14687) Adds type hints to tests.metrics and tests.crypto. --- changelog.d/14687.misc | 1 + mypy.ini | 6 +- tests/crypto/test_event_signing.py | 6 +- tests/crypto/test_keyring.py | 122 +++++++++++++++++------------ tests/metrics/test_metrics.py | 24 ++++-- 5 files changed, 95 insertions(+), 64 deletions(-) create mode 100644 changelog.d/14687.misc diff --git a/changelog.d/14687.misc b/changelog.d/14687.misc new file mode 100644 index 0000000000..d44571b731 --- /dev/null +++ b/changelog.d/14687.misc @@ -0,0 +1 @@ +Add missing type hints. diff --git a/mypy.ini b/mypy.ini index 80fbcdfeab..013fbbdfc0 100644 --- a/mypy.ini +++ b/mypy.ini @@ -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] diff --git a/tests/crypto/test_event_signing.py b/tests/crypto/test_event_signing.py index 8fa710c9dc..2b0972eee8 100644 --- a/tests/crypto/test_event_signing.py +++ b/tests/crypto/test_event_signing.py @@ -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", diff --git a/tests/crypto/test_keyring.py b/tests/crypto/test_keyring.py index f7c309cad0..0e8af2da54 100644 --- a/tests/crypto/test_keyring.py +++ b/tests/crypto/test_keyring.py @@ -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) diff --git a/tests/metrics/test_metrics.py b/tests/metrics/test_metrics.py index bddc4228bc..7c3656d049 100644 --- a/tests/metrics/test_metrics.py +++ b/tests/metrics/test_metrics.py @@ -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. """