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# The MIT License (MIT)
# Copyright (c) Microsoft Corporation. All rights reserved.
import time
import unittest
import uuid
import pytest
import test_config
from azure.cosmos import PartitionKey
from azure.cosmos.aio import CosmosClient, DatabaseProxy
@pytest.mark.cosmosSplit
class TestPartitionSplitChangeFeedAsync(unittest.IsolatedAsyncioTestCase):
host = test_config.TestConfig.host
masterKey = test_config.TestConfig.masterKey
connectionPolicy = test_config.TestConfig.connectionPolicy
client: CosmosClient = None
created_database: DatabaseProxy = None
TEST_DATABASE_ID = test_config.TestConfig.TEST_DATABASE_ID
@classmethod
def setUpClass(cls):
if (cls.masterKey == '[YOUR_KEY_HERE]' or
cls.host == '[YOUR_ENDPOINT_HERE]'):
raise Exception(
"You must specify your Azure Cosmos account values for "
"'masterKey' and 'host' at the top of this class to run the "
"tests.")
async def asyncSetUp(self):
self.client = CosmosClient(self.host, self.masterKey)
self.created_database = self.client.get_database_client(self.TEST_DATABASE_ID)
async def asyncTearDown(self):
await self.client.close()
async def test_query_change_feed_with_split_async(self):
created_collection = await self.created_database.create_container("change_feed_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 = [item async for item in 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'}
await created_collection.create_item(body=document_definition)
query_iterable = created_collection.query_items_change_feed(continuation=continuation)
iter_list = [item async for item in query_iterable]
assert len(iter_list) == 1
continuation = created_collection.client_connection.last_response_headers['etag']
await test_config.TestConfig.trigger_split_async(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:
await created_collection.create_item(body=document)
query_iterable = created_collection.query_items_change_feed(continuation=continuation)
it = query_iterable.__aiter__()
actual_ids = []
async for item in it:
actual_ids.append(item['id'])
assert actual_ids == expected_ids
await self.created_database.delete_container(created_collection.id)
if __name__ == '__main__':
unittest.main()
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