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"""Split syncrhonization task test module."""
import threading
import time
import pytest
from splitio.api import APIException
from splitio.api.commons import FetchOptions
from splitio.tasks import split_sync
from splitio.storage import SplitStorage, RuleBasedSegmentsStorage
from splitio.models.splits import Split
from splitio.sync.split import SplitSynchronizer, SplitSynchronizerAsync
from splitio.optional.loaders import asyncio
splits = [{
'changeNumber': 123,
'trafficTypeName': 'user',
'name': 'some_name',
'trafficAllocation': 100,
'trafficAllocationSeed': 123456,
'seed': 321654,
'status': 'ACTIVE',
'killed': False,
'defaultTreatment': 'off',
'algo': 2,
'conditions': [
{
'partitions': [
{'treatment': 'on', 'size': 50},
{'treatment': 'off', 'size': 50}
],
'contitionType': 'WHITELIST',
'label': 'some_label',
'matcherGroup': {
'matchers': [
{
'matcherType': 'WHITELIST',
'whitelistMatcherData': {
'whitelist': ['k1', 'k2', 'k3']
},
'negate': False,
}
],
'combiner': 'AND'
}
}
]
}]
class SplitSynchronizationTests(object):
"""Split synchronization task test cases."""
def test_normal_operation(self, mocker):
"""Test the normal operation flow."""
storage = mocker.Mock(spec=SplitStorage)
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
def change_number_mock():
change_number_mock._calls += 1
if change_number_mock._calls == 1:
return -1
return 123
change_number_mock._calls = 0
storage.get_change_number.side_effect = change_number_mock
class flag_set_filter():
def should_filter():
return False
def intersect(sets):
return True
storage.flag_set_filter = flag_set_filter
storage.flag_set_filter.flag_sets = {}
storage.flag_set_filter.sorted_flag_sets = []
self.clear = False
def clear():
self.clear = True
storage.clear = clear
rbs_storage.clear = clear
api = mocker.Mock()
def get_changes(*args, **kwargs):
get_changes.called += 1
if get_changes.called == 1:
return {'ff': {
'd': splits,
's': -1,
't': 123}, 'rbs': {'d': [], 't': -1, 's': -1}
}
else:
return {'ff': {'d': [],'s': 123, 't': 123},
'rbs': {'d': [], 't': -1, 's': -1}}
get_changes.called = 0
fetch_options = FetchOptions(True)
api.fetch_splits.side_effect = get_changes
split_synchronizer = SplitSynchronizer(api, storage, rbs_storage)
task = split_sync.SplitSynchronizationTask(split_synchronizer.synchronize_splits, 0.5)
task.start()
time.sleep(0.7)
assert task.is_running()
stop_event = threading.Event()
task.stop(stop_event)
stop_event.wait()
assert not task.is_running()
assert api.fetch_splits.mock_calls[0][1][0] == -1
assert api.fetch_splits.mock_calls[0][1][2].cache_control_headers == True
assert api.fetch_splits.mock_calls[1][1][0] == 123
assert api.fetch_splits.mock_calls[1][1][2].cache_control_headers == True
inserted_split = storage.update.mock_calls[0][1][0][0]
assert isinstance(inserted_split, Split)
assert inserted_split.name == 'some_name'
def test_that_errors_dont_stop_task(self, mocker):
"""Test that if fetching splits fails at some_point, the task will continue running."""
storage = mocker.Mock(spec=SplitStorage)
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
api = mocker.Mock()
def run(x):
run._calls += 1
if run._calls == 1:
return {'ff': {'d': [],'s': -1, 't': -1},
'rbs': {'d': [], 't': -1, 's': -1}}
if run._calls == 2:
return {'ff': {'d': [],'s': -1, 't': -1},
'rbs': {'d': [], 't': -1, 's': -1}}
raise APIException("something broke")
run._calls = 0
api.fetch_splits.side_effect = run
storage.get_change_number.return_value = -1
split_synchronizer = SplitSynchronizer(api, storage, rbs_storage)
task = split_sync.SplitSynchronizationTask(split_synchronizer.synchronize_splits, 0.5)
task.start()
time.sleep(0.1)
assert task.is_running()
time.sleep(1)
assert task.is_running()
task.stop()
class SplitSynchronizationAsyncTests(object):
"""Split synchronization task async test cases."""
@pytest.mark.asyncio
async def test_normal_operation(self, mocker):
"""Test the normal operation flow."""
storage = mocker.Mock(spec=SplitStorage)
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
async def change_number_mock():
change_number_mock._calls += 1
if change_number_mock._calls == 1:
return -1
return 123
change_number_mock._calls = 0
storage.get_change_number = change_number_mock
async def rb_change_number_mock():
return -1
rbs_storage.get_change_number = rb_change_number_mock
class flag_set_filter():
def should_filter():
return False
def intersect(sets):
return True
storage.flag_set_filter = flag_set_filter
storage.flag_set_filter.flag_sets = {}
storage.flag_set_filter.sorted_flag_sets = []
async def set_change_number(*_):
pass
change_number_mock._calls = 0
storage.set_change_number = set_change_number
self.clear = False
async def clear():
self.clear = True
storage.clear = clear
rbs_storage.clear = clear
api = mocker.Mock()
self.change_number = []
self.fetch_options = []
async def get_changes(change_number, rb_change_number, fetch_options):
self.change_number.append(change_number)
self.fetch_options.append(fetch_options)
get_changes.called += 1
if get_changes.called == 1:
return {'ff': {'d': splits,'s': -1, 't': 123},
'rbs': {'d': [], 't': -1, 's': -1}}
else:
return {'ff': {'d': [],'s': 123, 't': 123},
'rbs': {'d': [], 't': -1, 's': -1}}
api.fetch_splits = get_changes
get_changes.called = 0
self.inserted_split = None
async def update(split, deleted, change_number):
if len(split) > 0:
self.inserted_split = split
storage.update = update
async def rbs_update(split, deleted, change_number):
pass
rbs_storage.update = rbs_update
fetch_options = FetchOptions(True)
split_synchronizer = SplitSynchronizerAsync(api, storage, rbs_storage)
task = split_sync.SplitSynchronizationTaskAsync(split_synchronizer.synchronize_splits, 0.5)
task.start()
await asyncio.sleep(2)
assert task.is_running()
await task.stop()
assert not task.is_running()
assert (self.change_number[0], self.fetch_options[0].cache_control_headers) == (-1, fetch_options.cache_control_headers)
assert (self.change_number[1], self.fetch_options[1].cache_control_headers, self.fetch_options[1].change_number) == (123, fetch_options.cache_control_headers, fetch_options.change_number)
assert isinstance(self.inserted_split[0], Split)
assert self.inserted_split[0].name == 'some_name'
@pytest.mark.asyncio
async def test_that_errors_dont_stop_task(self, mocker):
"""Test that if fetching splits fails at some_point, the task will continue running."""
storage = mocker.Mock(spec=SplitStorage)
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
api = mocker.Mock()
async def run(x):
run._calls += 1
if run._calls == 1:
return {'ff': {'d': [],'s': -1, 't': -1},
'rbs': {'d': [], 't': -1, 's': -1}}
if run._calls == 2:
return {'ff': {'d': [],'s': -1, 't': -1},
'rbs': {'d': [], 't': -1, 's': -1}}
raise APIException("something broke")
run._calls = 0
api.fetch_splits = run
async def get_change_number():
return -1
storage.get_change_number = get_change_number
split_synchronizer = SplitSynchronizerAsync(api, storage, rbs_storage)
task = split_sync.SplitSynchronizationTaskAsync(split_synchronizer.synchronize_splits, 0.5)
task.start()
await asyncio.sleep(0.1)
assert task.is_running()
await asyncio.sleep(1)
assert task.is_running()
await task.stop()