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Merge branch 'develop' of github.com:matrix-org/synapse into neilj/mau_sign_in_log_in_limits

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This commit is contained in:
Neil Johnson 2018-08-01 13:42:50 +01:00
commit 303f1c851f
27 changed files with 5194 additions and 199 deletions
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22
Dockerfile
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@ -1,16 +1,32 @@
FROM docker.io/python:2-alpine3.7
RUN apk add --no-cache --virtual .nacl_deps su-exec build-base libffi-dev zlib-dev libressl-dev libjpeg-turbo-dev linux-headers postgresql-dev libxslt-dev
RUN apk add --no-cache --virtual .nacl_deps \
build-base \
libffi-dev \
libjpeg-turbo-dev \
libressl-dev \
libxslt-dev \
linux-headers \
postgresql-dev \
su-exec \
zlib-dev
COPY . /synapse
# A wheel cache may be provided in ./cache for faster build
RUN cd /synapse \
&& pip install --upgrade pip setuptools psycopg2 lxml \
&& pip install --upgrade \
lxml \
pip \
psycopg2 \
setuptools \
&& mkdir -p /synapse/cache \
&& pip install -f /synapse/cache --upgrade --process-dependency-links . \
&& mv /synapse/contrib/docker/start.py /synapse/contrib/docker/conf / \
&& rm -rf setup.py setup.cfg synapse
&& rm -rf \
setup.cfg \
setup.py \
synapse
VOLUME ["/data"]

1
changelog.d/3384.misc Normal file
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@ -0,0 +1 @@
Rewrite cache list decorator

1
changelog.d/3543.misc Normal file
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@ -0,0 +1 @@
Improve Dockerfile and docker-compose instructions

1
changelog.d/3612.misc Normal file
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@ -0,0 +1 @@
Make EventStore inherit from EventFederationStore

1
changelog.d/3626.bugfix Normal file
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@ -0,0 +1 @@
Only import secrets when available (fix for py < 3.6)

1
changelog.d/3628.misc Normal file
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@ -0,0 +1 @@
Remove unused field "pdu_failures" from transactions.

1
changelog.d/3634.misc Normal file
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@ -0,0 +1 @@
rename replication_layer to federation_client

8
contrib/docker/README.md
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@ -9,13 +9,7 @@ use that server.
## Build
Build the docker image with the `docker build` command from the root of the synapse repository.
```
docker build -t docker.io/matrixdotorg/synapse .
```
The `-t` option sets the image tag. Official images are tagged `matrixdotorg/synapse:<version>` where `<version>` is the same as the release tag in the synapse git repository.
Build the docker image with the `docker-compose build` command.
You may have a local Python wheel cache available, in which case copy the relevant packages in the ``cache/`` directory at the root of the project.

1
contrib/docker/docker-compose.yml
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@ -6,6 +6,7 @@ version: '3'
services:
synapse:
build: ../..
image: docker.io/matrixdotorg/synapse:latest
# Since snyapse does not retry to connect to the database, restart upon
# failure

6
contrib/grafana/README.md Normal file
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@ -0,0 +1,6 @@
# Using the Synapse Grafana dashboard
0. Set up Prometheus and Grafana. Out of scope for this readme. Useful documentation about using Grafana with Prometheus: http://docs.grafana.org/features/datasources/prometheus/
1. Have your Prometheus scrape your Synapse. https://github.com/matrix-org/synapse/blob/master/docs/metrics-howto.rst
2. Import dashboard into Grafana. Download `synapse.json`. Import it to Grafana and select the correct Prometheus datasource. http://docs.grafana.org/reference/export_import/
3. Set up additional recording rules

4961
contrib/grafana/synapse.json Normal file
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4
synapse/federation/federation_server.py
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@ -207,10 +207,6 @@ class FederationServer(FederationBase):
edu.content
)
pdu_failures = getattr(transaction, "pdu_failures", [])
for fail in pdu_failures:
logger.info("Got failure %r", fail)
response = {
"pdus": pdu_results,
}

63
synapse/federation/send_queue.py
View File

@ -62,8 +62,6 @@ class FederationRemoteSendQueue(object):
self.edus = SortedDict() # stream position -> Edu
self.failures = SortedDict() # stream position -> (destination, Failure)
self.device_messages = SortedDict() # stream position -> destination
self.pos = 1
@ -79,7 +77,7 @@ class FederationRemoteSendQueue(object):
for queue_name in [
"presence_map", "presence_changed", "keyed_edu", "keyed_edu_changed",
"edus", "failures", "device_messages", "pos_time",
"edus", "device_messages", "pos_time",
]:
register(queue_name, getattr(self, queue_name))
@ -149,12 +147,6 @@ class FederationRemoteSendQueue(object):
for key in keys[:i]:
del self.edus[key]
# Delete things out of failure map
keys = self.failures.keys()
i = self.failures.bisect_left(position_to_delete)
for key in keys[:i]:
del self.failures[key]
# Delete things out of device map
keys = self.device_messages.keys()
i = self.device_messages.bisect_left(position_to_delete)
@ -204,13 +196,6 @@ class FederationRemoteSendQueue(object):
self.notifier.on_new_replication_data()
def send_failure(self, failure, destination):
"""As per TransactionQueue"""
pos = self._next_pos()
self.failures[pos] = (destination, str(failure))
self.notifier.on_new_replication_data()
def send_device_messages(self, destination):
"""As per TransactionQueue"""
pos = self._next_pos()
@ -285,17 +270,6 @@ class FederationRemoteSendQueue(object):
for (pos, edu) in edus:
rows.append((pos, EduRow(edu)))
# Fetch changed failures
i = self.failures.bisect_right(from_token)
j = self.failures.bisect_right(to_token) + 1
failures = self.failures.items()[i:j]
for (pos, (destination, failure)) in failures:
rows.append((pos, FailureRow(
destination=destination,
failure=failure,
)))
# Fetch changed device messages
i = self.device_messages.bisect_right(from_token)
j = self.device_messages.bisect_right(to_token) + 1
@ -417,34 +391,6 @@ class EduRow(BaseFederationRow, namedtuple("EduRow", (
buff.edus.setdefault(self.edu.destination, []).append(self.edu)
class FailureRow(BaseFederationRow, namedtuple("FailureRow", (
"destination", # str
"failure",
))):
"""Streams failures to a remote server. Failures are issued when there was
something wrong with a transaction the remote sent us, e.g. it included
an event that was invalid.
"""
TypeId = "f"
@staticmethod
def from_data(data):
return FailureRow(
destination=data["destination"],
failure=data["failure"],
)
def to_data(self):
return {
"destination": self.destination,
"failure": self.failure,
}
def add_to_buffer(self, buff):
buff.failures.setdefault(self.destination, []).append(self.failure)
class DeviceRow(BaseFederationRow, namedtuple("DeviceRow", (
"destination", # str
))):
@ -471,7 +417,6 @@ TypeToRow = {
PresenceRow,
KeyedEduRow,
EduRow,
FailureRow,
DeviceRow,
)
}
@ -481,7 +426,6 @@ ParsedFederationStreamData = namedtuple("ParsedFederationStreamData", (
"presence", # list(UserPresenceState)
"keyed_edus", # dict of destination -> { key -> Edu }
"edus", # dict of destination -> [Edu]
"failures", # dict of destination -> [failures]
"device_destinations", # set of destinations
))
@ -503,7 +447,6 @@ def process_rows_for_federation(transaction_queue, rows):
presence=[],
keyed_edus={},
edus={},
failures={},
device_destinations=set(),
)
@ -532,9 +475,5 @@ def process_rows_for_federation(transaction_queue, rows):
edu.destination, edu.edu_type, edu.content, key=None,
)
for destination, failure_list in iteritems(buff.failures):
for failure in failure_list:
transaction_queue.send_failure(destination, failure)
for destination in buff.device_destinations:
transaction_queue.send_device_messages(destination)

32
synapse/federation/transaction_queue.py
View File

@ -116,9 +116,6 @@ class TransactionQueue(object):
),
)
# destination -> list of tuple(failure, deferred)
self.pending_failures_by_dest = {}
# destination -> stream_id of last successfully sent to-device message.
# NB: may be a long or an int.
self.last_device_stream_id_by_dest = {}
@ -382,19 +379,6 @@ class TransactionQueue(object):
self._attempt_new_transaction(destination)
def send_failure(self, failure, destination):
if destination == self.server_name or destination == "localhost":
return
if not self.can_send_to(destination):
return
self.pending_failures_by_dest.setdefault(
destination, []
).append(failure)
self._attempt_new_transaction(destination)
def send_device_messages(self, destination):
if destination == self.server_name or destination == "localhost":
return
@ -469,7 +453,6 @@ class TransactionQueue(object):
pending_pdus = self.pending_pdus_by_dest.pop(destination, [])
pending_edus = self.pending_edus_by_dest.pop(destination, [])
pending_presence = self.pending_presence_by_dest.pop(destination, {})
pending_failures = self.pending_failures_by_dest.pop(destination, [])
pending_edus.extend(
self.pending_edus_keyed_by_dest.pop(destination, {}).values()
@ -497,7 +480,7 @@ class TransactionQueue(object):
logger.debug("TX [%s] len(pending_pdus_by_dest[dest]) = %d",
destination, len(pending_pdus))
if not pending_pdus and not pending_edus and not pending_failures:
if not pending_pdus and not pending_edus:
logger.debug("TX [%s] Nothing to send", destination)
self.last_device_stream_id_by_dest[destination] = (
device_stream_id
@ -507,7 +490,7 @@ class TransactionQueue(object):
# END CRITICAL SECTION
success = yield self._send_new_transaction(
destination, pending_pdus, pending_edus, pending_failures,
destination, pending_pdus, pending_edus,
)
if success:
sent_transactions_counter.inc()
@ -584,14 +567,12 @@ class TransactionQueue(object):
@measure_func("_send_new_transaction")
@defer.inlineCallbacks
def _send_new_transaction(self, destination, pending_pdus, pending_edus,
pending_failures):
def _send_new_transaction(self, destination, pending_pdus, pending_edus):
# Sort based on the order field
pending_pdus.sort(key=lambda t: t[1])
pdus = [x[0] for x in pending_pdus]
edus = pending_edus
failures = [x.get_dict() for x in pending_failures]
success = True
@ -601,11 +582,10 @@ class TransactionQueue(object):
logger.debug(
"TX [%s] {%s} Attempting new transaction"
" (pdus: %d, edus: %d, failures: %d)",
" (pdus: %d, edus: %d)",
destination, txn_id,
len(pdus),
len(edus),
len(failures)
)
logger.debug("TX [%s] Persisting transaction...", destination)
@ -617,7 +597,6 @@ class TransactionQueue(object):
destination=destination,
pdus=pdus,
edus=edus,
pdu_failures=failures,
)
self._next_txn_id += 1
@ -627,12 +606,11 @@ class TransactionQueue(object):
logger.debug("TX [%s] Persisted transaction", destination)
logger.info(
"TX [%s] {%s} Sending transaction [%s],"
" (PDUs: %d, EDUs: %d, failures: %d)",
" (PDUs: %d, EDUs: %d)",
destination, txn_id,
transaction.transaction_id,
len(pdus),
len(edus),
len(failures),
)
# Actually send the transaction

3
synapse/federation/transport/server.py
View File

@ -283,11 +283,10 @@ class FederationSendServlet(BaseFederationServlet):
)
logger.info(
"Received txn %s from %s. (PDUs: %d, EDUs: %d, failures: %d)",
"Received txn %s from %s. (PDUs: %d, EDUs: %d)",
transaction_id, origin,
len(transaction_data.get("pdus", [])),
len(transaction_data.get("edus", [])),
len(transaction_data.get("failures", [])),
)
# We should ideally be getting this from the security layer.

1
synapse/federation/units.py
View File

@ -73,7 +73,6 @@ class Transaction(JsonEncodedObject):
"previous_ids",
"pdus",
"edus",
"pdu_failures",
]
internal_keys = [

28
synapse/handlers/federation.py
View File

@ -76,7 +76,7 @@ class FederationHandler(BaseHandler):
self.hs = hs
self.store = hs.get_datastore()
self.replication_layer = hs.get_federation_client()
self.federation_client = hs.get_federation_client()
self.state_handler = hs.get_state_handler()
self.server_name = hs.hostname
self.keyring = hs.get_keyring()
@ -255,7 +255,7 @@ class FederationHandler(BaseHandler):
# know about
for p in prevs - seen:
state, got_auth_chain = (
yield self.replication_layer.get_state_for_room(
yield self.federation_client.get_state_for_room(
origin, pdu.room_id, p
)
)
@ -338,7 +338,7 @@ class FederationHandler(BaseHandler):
#
# see https://github.com/matrix-org/synapse/pull/1744
missing_events = yield self.replication_layer.get_missing_events(
missing_events = yield self.federation_client.get_missing_events(
origin,
pdu.room_id,
earliest_events_ids=list(latest),
@ -522,7 +522,7 @@ class FederationHandler(BaseHandler):
if dest == self.server_name:
raise SynapseError(400, "Can't backfill from self.")
events = yield self.replication_layer.backfill(
events = yield self.federation_client.backfill(
dest,
room_id,
limit=limit,
@ -570,7 +570,7 @@ class FederationHandler(BaseHandler):
state_events = {}
events_to_state = {}
for e_id in edges:
state, auth = yield self.replication_layer.get_state_for_room(
state, auth = yield self.federation_client.get_state_for_room(
destination=dest,
room_id=room_id,
event_id=e_id
@ -612,7 +612,7 @@ class FederationHandler(BaseHandler):
results = yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
logcontext.run_in_background(
self.replication_layer.get_pdu,
self.federation_client.get_pdu,
[dest],
event_id,
outlier=True,
@ -893,7 +893,7 @@ class FederationHandler(BaseHandler):
Invites must be signed by the invitee's server before distribution.
"""
pdu = yield self.replication_layer.send_invite(
pdu = yield self.federation_client.send_invite(
destination=target_host,
room_id=event.room_id,
event_id=event.event_id,
@ -955,7 +955,7 @@ class FederationHandler(BaseHandler):
target_hosts.insert(0, origin)
except ValueError:
pass
ret = yield self.replication_layer.send_join(target_hosts, event)
ret = yield self.federation_client.send_join(target_hosts, event)
origin = ret["origin"]
state = ret["state"]
@ -1211,7 +1211,7 @@ class FederationHandler(BaseHandler):
except ValueError:
pass
yield self.replication_layer.send_leave(
yield self.federation_client.send_leave(
target_hosts,
event
)
@ -1234,7 +1234,7 @@ class FederationHandler(BaseHandler):
@defer.inlineCallbacks
def _make_and_verify_event(self, target_hosts, room_id, user_id, membership,
content={},):
origin, pdu = yield self.replication_layer.make_membership_event(
origin, pdu = yield self.federation_client.make_membership_event(
target_hosts,
room_id,
user_id,
@ -1567,7 +1567,7 @@ class FederationHandler(BaseHandler):
missing_auth_events.add(e_id)
for e_id in missing_auth_events:
m_ev = yield self.replication_layer.get_pdu(
m_ev = yield self.federation_client.get_pdu(
[origin],
e_id,
outlier=True,
@ -1777,7 +1777,7 @@ class FederationHandler(BaseHandler):
logger.info("Missing auth: %s", missing_auth)
# If we don't have all the auth events, we need to get them.
try:
remote_auth_chain = yield self.replication_layer.get_event_auth(
remote_auth_chain = yield self.federation_client.get_event_auth(
origin, event.room_id, event.event_id
)
@ -1893,7 +1893,7 @@ class FederationHandler(BaseHandler):
try:
# 2. Get remote difference.
result = yield self.replication_layer.query_auth(
result = yield self.federation_client.query_auth(
origin,
event.room_id,
event.event_id,
@ -2192,7 +2192,7 @@ class FederationHandler(BaseHandler):
yield member_handler.send_membership_event(None, event, context)
else:
destinations = set(x.split(":", 1)[-1] for x in (sender_user_id, room_id))
yield self.replication_layer.forward_third_party_invite(
yield self.federation_client.forward_third_party_invite(
destinations,
room_id,
event_dict,

7
synapse/secrets.py
View File

@ -20,17 +20,16 @@ See https://docs.python.org/3/library/secrets.html#module-secrets for the API
used in Python 3.6, and the API emulated in Python 2.7.
"""
import six
import sys
if six.PY3:
# secrets is available since python 3.6
if sys.version_info[0:2] >= (3, 6):
import secrets
def Secrets():
return secrets
else:
import os
import binascii

2
synapse/storage/__init__.py
View File

@ -66,6 +66,7 @@ class DataStore(RoomMemberStore, RoomStore,
PresenceStore, TransactionStore,
DirectoryStore, KeyStore, StateStore, SignatureStore,
ApplicationServiceStore,
EventsStore,
EventFederationStore,
MediaRepositoryStore,
RejectionsStore,
@ -73,7 +74,6 @@ class DataStore(RoomMemberStore, RoomStore,
PusherStore,
PushRuleStore,
ApplicationServiceTransactionStore,
EventsStore,
ReceiptsStore,
EndToEndKeyStore,
SearchStore,

2
synapse/storage/appservice.py
View File

@ -22,7 +22,7 @@ from twisted.internet import defer
from synapse.appservice import AppServiceTransaction
from synapse.config.appservice import load_appservices
from synapse.storage.events import EventsWorkerStore
from synapse.storage.events_worker import EventsWorkerStore
from ._base import SQLBaseStore

2
synapse/storage/event_federation.py
View File

@ -25,7 +25,7 @@ from twisted.internet import defer
from synapse.api.errors import StoreError
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.storage._base import SQLBaseStore
from synapse.storage.events import EventsWorkerStore
from synapse.storage.events_worker import EventsWorkerStore
from synapse.storage.signatures import SignatureWorkerStore
from synapse.util.caches.descriptors import cached

6
synapse/storage/events.py
View File

@ -34,6 +34,8 @@ from synapse.api.errors import SynapseError
from synapse.events import EventBase # noqa: F401
from synapse.events.snapshot import EventContext # noqa: F401
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.storage.background_updates import BackgroundUpdateStore
from synapse.storage.event_federation import EventFederationStore
from synapse.storage.events_worker import EventsWorkerStore
from synapse.types import RoomStreamToken, get_domain_from_id
from synapse.util.async import ObservableDeferred
@ -193,7 +195,9 @@ def _retry_on_integrity_error(func):
return f
class EventsStore(EventsWorkerStore):
# inherits from EventFederationStore so that we can call _update_backward_extremities
# and _handle_mult_prev_events (though arguably those could both be moved in here)
class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore):
EVENT_ORIGIN_SERVER_TS_NAME = "event_origin_server_ts"
EVENT_FIELDS_SENDER_URL_UPDATE_NAME = "event_fields_sender_url"

2
synapse/storage/roommember.py
View File

@ -24,7 +24,7 @@ from canonicaljson import json
from twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.storage.events import EventsWorkerStore
from synapse.storage.events_worker import EventsWorkerStore
from synapse.types import get_domain_from_id
from synapse.util.async import Linearizer
from synapse.util.caches import intern_string

2
synapse/storage/stream.py
View File

@ -43,7 +43,7 @@ from twisted.internet import defer
from synapse.storage._base import SQLBaseStore
from synapse.storage.engines import PostgresEngine
from synapse.storage.events import EventsWorkerStore
from synapse.storage.events_worker import EventsWorkerStore
from synapse.types import RoomStreamToken
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.util.logcontext import make_deferred_yieldable, run_in_background

133
synapse/util/caches/descriptors.py
View File

@ -473,105 +473,101 @@ class CacheListDescriptor(_CacheDescriptorBase):
@functools.wraps(self.orig)
def wrapped(*args, **kwargs):
# If we're passed a cache_context then we'll want to call its invalidate()
# whenever we are invalidated
# If we're passed a cache_context then we'll want to call its
# invalidate() whenever we are invalidated
invalidate_callback = kwargs.pop("on_invalidate", None)
arg_dict = inspect.getcallargs(self.orig, obj, *args, **kwargs)
keyargs = [arg_dict[arg_nm] for arg_nm in self.arg_names]
list_args = arg_dict[self.list_name]
# cached is a dict arg -> deferred, where deferred results in a
# 2-tuple (`arg`, `result`)
results = {}
cached_defers = {}
missing = []
def update_results_dict(res, arg):
results[arg] = res
# list of deferreds to wait for
cached_defers = []
missing = set()
# If the cache takes a single arg then that is used as the key,
# otherwise a tuple is used.
if num_args == 1:
def cache_get(arg):
return cache.get(arg, callback=invalidate_callback)
def arg_to_cache_key(arg):
return arg
else:
key = list(keyargs)
keylist = list(keyargs)
def cache_get(arg):
key[self.list_pos] = arg
return cache.get(tuple(key), callback=invalidate_callback)
def arg_to_cache_key(arg):
keylist[self.list_pos] = arg
return tuple(keylist)
for arg in list_args:
try:
res = cache_get(arg)
res = cache.get(arg_to_cache_key(arg),
callback=invalidate_callback)
if not isinstance(res, ObservableDeferred):
results[arg] = res
elif not res.has_succeeded():
res = res.observe()
res.addCallback(lambda r, arg: (arg, r), arg)
cached_defers[arg] = res
res.addCallback(update_results_dict, arg)
cached_defers.append(res)
else:
results[arg] = res.get_result()
except KeyError:
missing.append(arg)
missing.add(arg)
if missing:
args_to_call = dict(arg_dict)
args_to_call[self.list_name] = missing
# we need an observable deferred for each entry in the list,
# which we put in the cache. Each deferred resolves with the
# relevant result for that key.
deferreds_map = {}
for arg in missing:
deferred = defer.Deferred()
deferreds_map[arg] = deferred
key = arg_to_cache_key(arg)
observable = ObservableDeferred(deferred)
cache.set(key, observable, callback=invalidate_callback)
ret_d = defer.maybeDeferred(
def complete_all(res):
# the wrapped function has completed. It returns a
# a dict. We can now resolve the observable deferreds in
# the cache and update our own result map.
for e in missing:
val = res.get(e, None)
deferreds_map[e].callback(val)
results[e] = val
def errback(f):
# the wrapped function has failed. Invalidate any cache
# entries we're supposed to be populating, and fail
# their deferreds.
for e in missing:
key = arg_to_cache_key(e)
cache.invalidate(key)
deferreds_map[e].errback(f)
# return the failure, to propagate to our caller.
return f
args_to_call = dict(arg_dict)
args_to_call[self.list_name] = list(missing)
cached_defers.append(defer.maybeDeferred(
logcontext.preserve_fn(self.function_to_call),
**args_to_call
)
ret_d = ObservableDeferred(ret_d)
# We need to create deferreds for each arg in the list so that
# we can insert the new deferred into the cache.
for arg in missing:
observer = ret_d.observe()
observer.addCallback(lambda r, arg: r.get(arg, None), arg)
observer = ObservableDeferred(observer)
if num_args == 1:
cache.set(
arg, observer,
callback=invalidate_callback
)
def invalidate(f, key):
cache.invalidate(key)
return f
observer.addErrback(invalidate, arg)
else:
key = list(keyargs)
key[self.list_pos] = arg
cache.set(
tuple(key), observer,
callback=invalidate_callback
)
def invalidate(f, key):
cache.invalidate(key)
return f
observer.addErrback(invalidate, tuple(key))
res = observer.observe()
res.addCallback(lambda r, arg: (arg, r), arg)
cached_defers[arg] = res
).addCallbacks(complete_all, errback))
if cached_defers:
def update_results_dict(res):
results.update(res)
return results
return logcontext.make_deferred_yieldable(defer.gatherResults(
list(cached_defers.values()),
d = defer.gatherResults(
cached_defers,
consumeErrors=True,
).addCallback(update_results_dict).addErrback(
).addCallbacks(
lambda _: results,
unwrapFirstError
))
)
return logcontext.make_deferred_yieldable(d)
else:
return results
@ -625,7 +621,8 @@ def cachedList(cached_method_name, list_name, num_args=None, inlineCallbacks=Fal
cache.
Args:
cache (Cache): The underlying cache to use.
cached_method_name (str): The name of the single-item lookup method.
This is only used to find the cache to use.
list_name (str): The name of the argument that is the list to use to
do batch lookups in the cache.
num_args (int): Number of arguments to use as the key in the cache

1
tests/handlers/test_typing.py
View File

@ -44,7 +44,6 @@ def _expect_edu(destination, edu_type, content, origin="test"):
"content": content,
}
],
"pdu_failures": [],
}

101
tests/util/caches/test_descriptors.py
View File

@ -273,3 +273,104 @@ class DescriptorTestCase(unittest.TestCase):
r = yield obj.fn(2, 3)
self.assertEqual(r, 'chips')
obj.mock.assert_not_called()
class CachedListDescriptorTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_cache(self):
class Cls(object):
def __init__(self):
self.mock = mock.Mock()
@descriptors.cached()
def fn(self, arg1, arg2):
pass
@descriptors.cachedList("fn", "args1", inlineCallbacks=True)
def list_fn(self, args1, arg2):
assert (
logcontext.LoggingContext.current_context().request == "c1"
)
# we want this to behave like an asynchronous function
yield run_on_reactor()
assert (
logcontext.LoggingContext.current_context().request == "c1"
)
defer.returnValue(self.mock(args1, arg2))
with logcontext.LoggingContext() as c1:
c1.request = "c1"
obj = Cls()
obj.mock.return_value = {10: 'fish', 20: 'chips'}
d1 = obj.list_fn([10, 20], 2)
self.assertEqual(
logcontext.LoggingContext.current_context(),
logcontext.LoggingContext.sentinel,
)
r = yield d1
self.assertEqual(
logcontext.LoggingContext.current_context(),
c1
)
obj.mock.assert_called_once_with([10, 20], 2)
self.assertEqual(r, {10: 'fish', 20: 'chips'})
obj.mock.reset_mock()
# a call with different params should call the mock again
obj.mock.return_value = {30: 'peas'}
r = yield obj.list_fn([20, 30], 2)
obj.mock.assert_called_once_with([30], 2)
self.assertEqual(r, {20: 'chips', 30: 'peas'})
obj.mock.reset_mock()
# all the values should now be cached
r = yield obj.fn(10, 2)
self.assertEqual(r, 'fish')
r = yield obj.fn(20, 2)
self.assertEqual(r, 'chips')
r = yield obj.fn(30, 2)
self.assertEqual(r, 'peas')
r = yield obj.list_fn([10, 20, 30], 2)
obj.mock.assert_not_called()
self.assertEqual(r, {10: 'fish', 20: 'chips', 30: 'peas'})
@defer.inlineCallbacks
def test_invalidate(self):
"""Make sure that invalidation callbacks are called."""
class Cls(object):
def __init__(self):
self.mock = mock.Mock()
@descriptors.cached()
def fn(self, arg1, arg2):
pass
@descriptors.cachedList("fn", "args1", inlineCallbacks=True)
def list_fn(self, args1, arg2):
# we want this to behave like an asynchronous function
yield run_on_reactor()
defer.returnValue(self.mock(args1, arg2))
obj = Cls()
invalidate0 = mock.Mock()
invalidate1 = mock.Mock()
# cache miss
obj.mock.return_value = {10: 'fish', 20: 'chips'}
r1 = yield obj.list_fn([10, 20], 2, on_invalidate=invalidate0)
obj.mock.assert_called_once_with([10, 20], 2)
self.assertEqual(r1, {10: 'fish', 20: 'chips'})
obj.mock.reset_mock()
# cache hit
r2 = yield obj.list_fn([10, 20], 2, on_invalidate=invalidate1)
obj.mock.assert_not_called()
self.assertEqual(r2, {10: 'fish', 20: 'chips'})
invalidate0.assert_not_called()
invalidate1.assert_not_called()
# now if we invalidate the keys, both invalidations should get called
obj.fn.invalidate((10, 2))
invalidate0.assert_called_once()
invalidate1.assert_called_once()