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374 lines (323 loc) · 17.1 KB
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"""Split syncrhonization task test module."""
import threading
import time
import pytest
from splitio.api.commons import FetchOptions
from splitio.tasks import segment_sync
from splitio.storage import SegmentStorage, SplitStorage, RuleBasedSegmentsStorage
from splitio.models.splits import Split
from splitio.models.segments import Segment
from splitio.models.grammar.condition import Condition
from splitio.models.grammar.matchers import UserDefinedSegmentMatcher
from splitio.sync.segment import SegmentSynchronizer, SegmentSynchronizerAsync
from splitio.optional.loaders import asyncio
class SegmentSynchronizationTests(object):
"""Split synchronization task test cases."""
def test_normal_operation(self, mocker):
"""Test the normal operation flow."""
split_storage = mocker.Mock(spec=SplitStorage)
split_storage.get_segment_names.return_value = ['segmentA', 'segmentB', 'segmentC']
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
rbs_storage.get_segment_names.return_value = []
# Setup a mocked segment storage whose changenumber returns -1 on first fetch and
# 123 afterwards.
storage = mocker.Mock(spec=SegmentStorage)
def change_number_mock(segment_name):
if segment_name == 'segmentA' and change_number_mock._count_a == 0:
change_number_mock._count_a = 1
return -1
if segment_name == 'segmentB' and change_number_mock._count_b == 0:
change_number_mock._count_b = 1
return -1
if segment_name == 'segmentC' and change_number_mock._count_c == 0:
change_number_mock._count_c = 1
return -1
return 123
change_number_mock._count_a = 0
change_number_mock._count_b = 0
change_number_mock._count_c = 0
storage.get_change_number.side_effect = change_number_mock
# Setup a mocked segment api to return segments mentioned before.
def fetch_segment_mock(segment_name, change_number, fetch_options):
if segment_name == 'segmentA' and fetch_segment_mock._count_a == 0:
fetch_segment_mock._count_a = 1
return {'name': 'segmentA', 'added': ['key1', 'key2', 'key3'], 'removed': [],
'since': -1, 'till': 123}
if segment_name == 'segmentB' and fetch_segment_mock._count_b == 0:
fetch_segment_mock._count_b = 1
return {'name': 'segmentB', 'added': ['key4', 'key5', 'key6'], 'removed': [],
'since': -1, 'till': 123}
if segment_name == 'segmentC' and fetch_segment_mock._count_c == 0:
fetch_segment_mock._count_c = 1
return {'name': 'segmentC', 'added': ['key7', 'key8', 'key9'], 'removed': [],
'since': -1, 'till': 123}
return {'added': [], 'removed': [], 'since': 123, 'till': 123}
fetch_segment_mock._count_a = 0
fetch_segment_mock._count_b = 0
fetch_segment_mock._count_c = 0
api = mocker.Mock()
fetch_options = FetchOptions(True, None, None, None, None)
api.fetch_segment.side_effect = fetch_segment_mock
segments_synchronizer = SegmentSynchronizer(api, split_storage, storage, rbs_storage)
task = segment_sync.SegmentSynchronizationTask(segments_synchronizer.synchronize_segments,
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()
api_calls = [call for call in api.fetch_segment.mock_calls]
assert mocker.call('segmentA', -1, fetch_options) in api_calls
assert mocker.call('segmentB', -1, fetch_options) in api_calls
assert mocker.call('segmentC', -1, fetch_options) in api_calls
assert mocker.call('segmentA', 123, fetch_options) in api_calls
assert mocker.call('segmentB', 123, fetch_options) in api_calls
assert mocker.call('segmentC', 123, fetch_options) in api_calls
segment_put_calls = storage.put.mock_calls
segments_to_validate = set(['segmentA', 'segmentB', 'segmentC'])
for call in segment_put_calls:
_, positional_args, _ = call
segment = positional_args[0]
assert isinstance(segment, Segment)
assert segment.name in segments_to_validate
segments_to_validate.remove(segment.name)
def test_that_errors_dont_stop_task(self, mocker):
"""Test that if fetching segments fails at some_point, the task will continue running."""
split_storage = mocker.Mock(spec=SplitStorage)
split_storage.get_segment_names.return_value = ['segmentA', 'segmentB', 'segmentC']
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
rbs_storage.get_segment_names.return_value = []
# Setup a mocked segment storage whose changenumber returns -1 on first fetch and
# 123 afterwards.
storage = mocker.Mock(spec=SegmentStorage)
def change_number_mock(segment_name):
if segment_name == 'segmentA' and change_number_mock._count_a == 0:
change_number_mock._count_a = 1
return -1
if segment_name == 'segmentB' and change_number_mock._count_b == 0:
change_number_mock._count_b = 1
return -1
if segment_name == 'segmentC' and change_number_mock._count_c == 0:
change_number_mock._count_c = 1
return -1
return 123
change_number_mock._count_a = 0
change_number_mock._count_b = 0
change_number_mock._count_c = 0
storage.get_change_number.side_effect = change_number_mock
# Setup a mocked segment api to return segments mentioned before.
def fetch_segment_mock(segment_name, change_number, fetch_options):
if segment_name == 'segmentA' and fetch_segment_mock._count_a == 0:
fetch_segment_mock._count_a = 1
return {'name': 'segmentA', 'added': ['key1', 'key2', 'key3'], 'removed': [],
'since': -1, 'till': 123}
if segment_name == 'segmentB' and fetch_segment_mock._count_b == 0:
fetch_segment_mock._count_b = 1
raise Exception("some exception")
if segment_name == 'segmentC' and fetch_segment_mock._count_c == 0:
fetch_segment_mock._count_c = 1
return {'name': 'segmentC', 'added': ['key7', 'key8', 'key9'], 'removed': [],
'since': -1, 'till': 123}
return {'added': [], 'removed': [], 'since': 123, 'till': 123}
fetch_segment_mock._count_a = 0
fetch_segment_mock._count_b = 0
fetch_segment_mock._count_c = 0
api = mocker.Mock()
fetch_options = FetchOptions(True, None, None, None, None)
api.fetch_segment.side_effect = fetch_segment_mock
segments_synchronizer = SegmentSynchronizer(api, split_storage, storage, rbs_storage)
task = segment_sync.SegmentSynchronizationTask(segments_synchronizer.synchronize_segments,
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()
api_calls = [call for call in api.fetch_segment.mock_calls]
assert mocker.call('segmentA', -1, fetch_options) in api_calls
assert mocker.call('segmentB', -1, fetch_options) in api_calls
assert mocker.call('segmentC', -1, fetch_options) in api_calls
assert mocker.call('segmentA', 123, fetch_options) in api_calls
assert mocker.call('segmentC', 123, fetch_options) in api_calls
segment_put_calls = storage.put.mock_calls
segments_to_validate = set(['segmentA', 'segmentB', 'segmentC'])
for call in segment_put_calls:
_, positional_args, _ = call
segment = positional_args[0]
assert isinstance(segment, Segment)
assert segment.name in segments_to_validate
segments_to_validate.remove(segment.name)
class SegmentSynchronizationAsyncTests(object):
"""Split synchronization async task test cases."""
@pytest.mark.asyncio
async def test_normal_operation(self, mocker):
"""Test the normal operation flow."""
split_storage = mocker.Mock(spec=SplitStorage)
async def get_segment_names():
return ['segmentA', 'segmentB', 'segmentC']
split_storage.get_segment_names = get_segment_names
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
async def get_segment_names_rbs():
return []
rbs_storage.get_segment_names = get_segment_names_rbs
# Setup a mocked segment storage whose changenumber returns -1 on first fetch and
# 123 afterwards.
storage = mocker.Mock(spec=SegmentStorage)
async def change_number_mock(segment_name):
if segment_name == 'segmentA' and change_number_mock._count_a == 0:
change_number_mock._count_a = 1
return -1
if segment_name == 'segmentB' and change_number_mock._count_b == 0:
change_number_mock._count_b = 1
return -1
if segment_name == 'segmentC' and change_number_mock._count_c == 0:
change_number_mock._count_c = 1
return -1
return 123
change_number_mock._count_a = 0
change_number_mock._count_b = 0
change_number_mock._count_c = 0
storage.get_change_number = change_number_mock
self.segments = []
async def put(segment):
self.segments.append(segment)
storage.put = put
async def update(*arg):
pass
storage.update = update
# Setup a mocked segment api to return segments mentioned before.
self.segment_name = []
self.change_number = []
self.fetch_options = []
async def fetch_segment_mock(segment_name, change_number, fetch_options):
self.segment_name.append(segment_name)
self.change_number.append(change_number)
self.fetch_options.append(fetch_options)
if segment_name == 'segmentA' and fetch_segment_mock._count_a == 0:
fetch_segment_mock._count_a = 1
return {'name': 'segmentA', 'added': ['key1', 'key2', 'key3'], 'removed': [],
'since': -1, 'till': 123}
if segment_name == 'segmentB' and fetch_segment_mock._count_b == 0:
fetch_segment_mock._count_b = 1
return {'name': 'segmentB', 'added': ['key4', 'key5', 'key6'], 'removed': [],
'since': -1, 'till': 123}
if segment_name == 'segmentC' and fetch_segment_mock._count_c == 0:
fetch_segment_mock._count_c = 1
return {'name': 'segmentC', 'added': ['key7', 'key8', 'key9'], 'removed': [],
'since': -1, 'till': 123}
return {'added': [], 'removed': [], 'since': 123, 'till': 123}
fetch_segment_mock._count_a = 0
fetch_segment_mock._count_b = 0
fetch_segment_mock._count_c = 0
api = mocker.Mock()
fetch_options = FetchOptions(True, None, None, None, None)
api.fetch_segment = fetch_segment_mock
segments_synchronizer = SegmentSynchronizerAsync(api, split_storage, storage, rbs_storage)
task = segment_sync.SegmentSynchronizationTaskAsync(segments_synchronizer.synchronize_segments,
0.5)
task.start()
await asyncio.sleep(0.7)
assert task.is_running()
await task.stop()
assert not task.is_running()
api_calls = []
for i in range(6):
api_calls.append((self.segment_name[i], self.change_number[i], self.fetch_options[i]))
assert ('segmentA', -1, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentA', 123, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentB', -1, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentB', 123, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentC', -1, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentC', 123, FetchOptions(True, None, None, None, None)) in api_calls
segments_to_validate = set(['segmentA', 'segmentB', 'segmentC'])
for segment in self.segments:
assert isinstance(segment, Segment)
assert segment.name in segments_to_validate
segments_to_validate.remove(segment.name)
@pytest.mark.asyncio
async def test_that_errors_dont_stop_task(self, mocker):
"""Test that if fetching segments fails at some_point, the task will continue running."""
split_storage = mocker.Mock(spec=SplitStorage)
async def get_segment_names():
return ['segmentA', 'segmentB', 'segmentC']
split_storage.get_segment_names = get_segment_names
rbs_storage = mocker.Mock(spec=RuleBasedSegmentsStorage)
async def get_segment_names_rbs():
return []
rbs_storage.get_segment_names = get_segment_names_rbs
# Setup a mocked segment storage whose changenumber returns -1 on first fetch and
# 123 afterwards.
storage = mocker.Mock(spec=SegmentStorage)
async def change_number_mock(segment_name):
if segment_name == 'segmentA' and change_number_mock._count_a == 0:
change_number_mock._count_a = 1
return -1
if segment_name == 'segmentB' and change_number_mock._count_b == 0:
change_number_mock._count_b = 1
return -1
if segment_name == 'segmentC' and change_number_mock._count_c == 0:
change_number_mock._count_c = 1
return -1
return 123
change_number_mock._count_a = 0
change_number_mock._count_b = 0
change_number_mock._count_c = 0
storage.get_change_number = change_number_mock
self.segments = []
async def put(segment):
self.segments.append(segment)
storage.put = put
async def update(*arg):
pass
storage.update = update
# Setup a mocked segment api to return segments mentioned before.
self.segment_name = []
self.change_number = []
self.fetch_options = []
async def fetch_segment_mock(segment_name, change_number, fetch_options):
self.segment_name.append(segment_name)
self.change_number.append(change_number)
self.fetch_options.append(fetch_options)
if segment_name == 'segmentA' and fetch_segment_mock._count_a == 0:
fetch_segment_mock._count_a = 1
return {'name': 'segmentA', 'added': ['key1', 'key2', 'key3'], 'removed': [],
'since': -1, 'till': 123}
if segment_name == 'segmentB' and fetch_segment_mock._count_b == 0:
fetch_segment_mock._count_b = 1
raise Exception("some exception")
if segment_name == 'segmentC' and fetch_segment_mock._count_c == 0:
fetch_segment_mock._count_c = 1
return {'name': 'segmentC', 'added': ['key7', 'key8', 'key9'], 'removed': [],
'since': -1, 'till': 123}
return {'added': [], 'removed': [], 'since': 123, 'till': 123}
fetch_segment_mock._count_a = 0
fetch_segment_mock._count_b = 0
fetch_segment_mock._count_c = 0
api = mocker.Mock()
fetch_options = FetchOptions(True, None, None, None, None)
api.fetch_segment = fetch_segment_mock
segments_synchronizer = SegmentSynchronizerAsync(api, split_storage, storage, rbs_storage)
task = segment_sync.SegmentSynchronizationTaskAsync(segments_synchronizer.synchronize_segments,
0.5)
task.start()
await asyncio.sleep(0.7)
assert task.is_running()
await task.stop()
assert not task.is_running()
api_calls = []
for i in range(5):
api_calls.append((self.segment_name[i], self.change_number[i], self.fetch_options[i]))
assert ('segmentA', -1, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentA', 123, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentB', -1, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentC', -1, FetchOptions(True, None, None, None, None)) in api_calls
assert ('segmentC', 123, FetchOptions(True, None, None, None, None)) in api_calls
segments_to_validate = set(['segmentA', 'segmentB', 'segmentC'])
for segment in self.segments:
assert isinstance(segment, Segment)
assert segment.name in segments_to_validate
segments_to_validate.remove(segment.name)