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# The MIT License (MIT)
# Copyright (c) Microsoft Corporation. All rights reserved.
import time
import unittest
import uuid
import pytest
import azure.cosmos.cosmos_client as cosmos_client
import test_config
from azure.cosmos import DatabaseProxy, PartitionKey
@pytest.mark.cosmosSplit
class TestPartitionSplitChangeFeed(unittest.TestCase):
database: DatabaseProxy = None
client: cosmos_client.CosmosClient = None
configs = test_config.TestConfig
host = configs.host
masterKey = configs.masterKey
TEST_DATABASE_ID = configs.TEST_DATABASE_ID
@classmethod
def setUpClass(cls):
cls.client = cosmos_client.CosmosClient(cls.host, cls.masterKey)
cls.database = cls.client.get_database_client(cls.TEST_DATABASE_ID)
def test_query_change_feed_with_split(self):
created_collection = self.database.create_container("change_feed_split_test_" + str(uuid.uuid4()),
PartitionKey(path="/pk"),
offer_throughput=400)
# initial change feed query returns empty result
query_iterable = created_collection.query_items_change_feed(start_time="Beginning")
iter_list = list(query_iterable)
assert len(iter_list) == 0
continuation = created_collection.client_connection.last_response_headers['etag']
assert continuation != ''
# create one doc and make sure change feed query can return the document
document_definition = {'pk': 'pk', 'id': 'doc1'}
created_collection.create_item(body=document_definition)
query_iterable = created_collection.query_items_change_feed(continuation=continuation)
iter_list = list(query_iterable)
assert len(iter_list) == 1
continuation = created_collection.client_connection.last_response_headers['etag']
test_config.TestConfig.trigger_split(created_collection, 11000)
print("creating few more documents")
new_documents = [{'pk': 'pk2', 'id': 'doc2'}, {'pk': 'pk3', 'id': 'doc3'}, {'pk': 'pk4', 'id': 'doc4'}]
expected_ids = ['doc2', 'doc3', 'doc4']
for document in new_documents:
created_collection.create_item(body=document)
query_iterable = created_collection.query_items_change_feed(continuation=continuation)
it = query_iterable.__iter__()
actual_ids = []
for item in it:
actual_ids.append(item['id'])
assert actual_ids == expected_ids
self.database.delete_container(created_collection.id)
if __name__ == "__main__":
unittest.main()
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