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swh/journal/tests/test_write_replay.py
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from swh.storage.in_memory import Storage | from swh.storage.in_memory import Storage | ||||
from swh.storage import HashCollision | from swh.storage import HashCollision | ||||
from swh.journal.serializers import ( | from swh.journal.serializers import ( | ||||
key_to_kafka, kafka_to_key, value_to_kafka, kafka_to_value) | key_to_kafka, kafka_to_key, value_to_kafka, kafka_to_value) | ||||
from swh.journal.direct_writer import DirectKafkaWriter | from swh.journal.direct_writer import DirectKafkaWriter | ||||
from swh.journal.replay import StorageReplayer, OBJECT_TYPES | from swh.journal.replay import StorageReplayer, OBJECT_TYPES | ||||
FakeKafkaMessage = namedtuple('FakeKafkaMessage', 'topic key value') | FakeKafkaMessage = namedtuple('FakeKafkaMessage', 'key value') | ||||
FakeKafkaPartition = namedtuple('FakeKafkaPartition', 'topic') | |||||
class MockedDirectKafkaWriter(DirectKafkaWriter): | class MockedDirectKafkaWriter(DirectKafkaWriter): | ||||
def __init__(self): | def __init__(self): | ||||
self._prefix = 'prefix' | self._prefix = 'prefix' | ||||
class MockedStorageReplayer(StorageReplayer): | class MockedStorageReplayer(StorageReplayer): | ||||
def __init__(self, object_types=OBJECT_TYPES): | def __init__(self, object_types=OBJECT_TYPES): | ||||
self._object_types = object_types | self._object_types = object_types | ||||
@given(lists(object_dicts())) | @given(lists(object_dicts(), min_size=1)) | ||||
@settings(suppress_health_check=[HealthCheck.too_slow]) | @settings(suppress_health_check=[HealthCheck.too_slow]) | ||||
def test_write_replay_same_order(objects): | def test_write_replay_same_order(objects): | ||||
committed = False | |||||
queue = [] | queue = [] | ||||
def send(topic, key, value): | def send(topic, key, value): | ||||
key = kafka_to_key(key_to_kafka(key)) | key = kafka_to_key(key_to_kafka(key)) | ||||
value = kafka_to_value(value_to_kafka(value)) | value = kafka_to_value(value_to_kafka(value)) | ||||
queue.append(FakeKafkaMessage(topic=topic, key=key, value=value)) | queue.append({ | ||||
FakeKafkaPartition(topic): | |||||
[FakeKafkaMessage(key=key, value=value)] | |||||
}) | |||||
def poll(): | def poll(): | ||||
yield from queue | return queue.pop(0) | ||||
def commit(): | |||||
nonlocal committed | |||||
if queue == []: | |||||
committed = True | |||||
storage1 = Storage() | storage1 = Storage() | ||||
storage1.journal_writer = MockedDirectKafkaWriter() | storage1.journal_writer = MockedDirectKafkaWriter() | ||||
storage1.journal_writer.send = send | storage1.journal_writer.send = send | ||||
for (obj_type, obj) in objects: | for (obj_type, obj) in objects: | ||||
obj = obj.copy() | obj = obj.copy() | ||||
if obj_type == 'origin_visit': | if obj_type == 'origin_visit': | ||||
origin_id = storage1.origin_add_one(obj.pop('origin')) | origin_id = storage1.origin_add_one(obj.pop('origin')) | ||||
if 'visit' in obj: | if 'visit' in obj: | ||||
del obj['visit'] | del obj['visit'] | ||||
storage1.origin_visit_add(origin_id, **obj) | storage1.origin_visit_add(origin_id, **obj) | ||||
else: | else: | ||||
method = getattr(storage1, obj_type + '_add') | method = getattr(storage1, obj_type + '_add') | ||||
try: | try: | ||||
method([obj]) | method([obj]) | ||||
except HashCollision: | except HashCollision: | ||||
pass | pass | ||||
storage2 = Storage() | storage2 = Storage() | ||||
replayer = MockedStorageReplayer() | replayer = MockedStorageReplayer() | ||||
replayer.poll = poll | replayer.poll = poll | ||||
replayer.fill(storage2) | replayer.commit = commit | ||||
replayer.fill(storage2, max_messages=len(queue)) | |||||
assert committed | |||||
for attr_name in ('_contents', '_directories', '_revisions', '_releases', | for attr_name in ('_contents', '_directories', '_revisions', '_releases', | ||||
'_snapshots', '_origin_visits', '_origins'): | '_snapshots', '_origin_visits', '_origins'): | ||||
assert getattr(storage1, attr_name) == getattr(storage2, attr_name), \ | assert getattr(storage1, attr_name) == getattr(storage2, attr_name), \ | ||||
attr_name | attr_name | ||||
# TODO: add test for hash collision | # TODO: add test for hash collision |