Differential D2812 Diff 10034 swh/journal/tests/test_write_replay.py

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swh/journal/tests/test_write_replay.py

# Copyright (C) 2019 The Software Heritage developers		# Copyright (C) 2019-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution		# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version		# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information		# See top-level LICENSE file for more information

import functools		import functools
from unittest.mock import patch		from unittest.mock import patch

import attr		import attr
from hypothesis import given, settings, HealthCheck		from hypothesis import given, settings, HealthCheck
from hypothesis.strategies import lists		from hypothesis.strategies import lists

from swh.model.hypothesis_strategies import object_dicts, present_contents		from swh.model.hypothesis_strategies import object_dicts, present_contents
		from swh.model.model import Origin
from swh.storage import get_storage, HashCollision		from swh.storage import get_storage, HashCollision

from swh.journal.replay import process_replay_objects		from swh.journal.replay import (
from swh.journal.replay import process_replay_objects_content		process_replay_objects, process_replay_objects_content, object_converter_fn
		)

from .utils import MockedJournalClient, MockedKafkaWriter		from .utils import MockedJournalClient, MockedKafkaWriter


storage_config = {		storage_config = {
'cls': 'pipeline',		'cls': 'pipeline',
'steps': [		'steps': [
{'cls': 'validate'},
{'cls': 'memory', 'journal_writer': {'cls': 'memory'}},		{'cls': 'memory', 'journal_writer': {'cls': 'memory'}},
]		]
}		}


def empty_person_name_email(rev_or_rel):		def empty_person_name_email(rev_or_rel):
"""Empties the 'name' and 'email' fields of the author/committer fields		"""Empties the 'name' and 'email' fields of the author/committer fields
of a revision or release; leaving only the fullname."""		of a revision or release; leaving only the fullname."""
Show All 25 Lines
def test_write_replay_same_order_batches(objects):		def test_write_replay_same_order_batches(objects):
queue = []		queue = []
replayer = MockedJournalClient(queue)		replayer = MockedJournalClient(queue)

with patch('swh.journal.writer.inmemory.InMemoryJournalWriter',		with patch('swh.journal.writer.inmemory.InMemoryJournalWriter',
return_value=MockedKafkaWriter(queue)):		return_value=MockedKafkaWriter(queue)):
storage1 = get_storage(**storage_config)		storage1 = get_storage(**storage_config)

		# Write objects to storage1
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':
storage1.origin_add_one({'url': obj['origin']})		storage1.origin_add_one(Origin(url=obj['origin']))
storage1.origin_visit_upsert([obj])		storage1.origin_visit_upsert([obj])
else:		else:
if obj_type == 'content' and obj.get('status') == 'absent':		if obj_type == 'content' and obj.get('status') == 'absent':
obj_type = 'skipped_content'		obj_type = 'skipped_content'
method = getattr(storage1, obj_type + '_add')		method = getattr(storage1, obj_type + '_add')
try:		try:
method([obj])		method([object_converter_fn[obj_type](obj)])
except HashCollision:		except HashCollision:
pass		pass

# Bail out early if we didn't insert any relevant objects...		# Bail out early if we didn't insert any relevant objects...
queue_size = len(queue)		queue_size = len(queue)
assert queue_size != 0, "No test objects found; hypothesis strategy bug?"		assert queue_size != 0, "No test objects found; hypothesis strategy bug?"

assert replayer.stop_after_objects is None		assert replayer.stop_after_objects is None
Show All 37 Lines	def test_write_replay_content(objects):
replayer = MockedJournalClient(queue)		replayer = MockedJournalClient(queue)

with patch('swh.journal.writer.inmemory.InMemoryJournalWriter',		with patch('swh.journal.writer.inmemory.InMemoryJournalWriter',
return_value=MockedKafkaWriter(queue)):		return_value=MockedKafkaWriter(queue)):
storage1 = get_storage(**storage_config)		storage1 = get_storage(**storage_config)

contents = []		contents = []
for obj in objects:		for obj in objects:
obj = obj.to_dict()		obj = obj
storage1.content_add([obj])		storage1.content_add([obj])
contents.append(obj)		contents.append(obj)

# Bail out early if we didn't insert any relevant objects...		# Bail out early if we didn't insert any relevant objects...
queue_size = len(queue)		queue_size = len(queue)
assert queue_size != 0, "No test objects found; hypothesis strategy bug?"		assert queue_size != 0, "No test objects found; hypothesis strategy bug?"

assert replayer.stop_after_objects is None		assert replayer.stop_after_objects is None
replayer.stop_after_objects = queue_size		replayer.stop_after_objects = queue_size

storage2 = get_storage(**storage_config)		storage2 = get_storage(**storage_config)

objstorage1 = storage1.objstorage.objstorage		objstorage1 = storage1.objstorage.objstorage
objstorage2 = storage2.objstorage.objstorage		objstorage2 = storage2.objstorage.objstorage

worker_fn = functools.partial(process_replay_objects_content,		worker_fn = functools.partial(process_replay_objects_content,
src=objstorage1,		src=objstorage1,
dst=objstorage2)		dst=objstorage2)

replayer.process(worker_fn)		replayer.process(worker_fn)

# only content with status visible will be copied in storage2		# only content with status visible will be copied in storage2
expected_objstorage_state = {		expected_objstorage_state = {
c['sha1']: c['data'] for c in contents if c['status'] == 'visible'		c.sha1: c.data for c in contents if c.status == 'visible'
}		}

assert expected_objstorage_state == objstorage2.state		assert expected_objstorage_state == objstorage2.state