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# The MIT License (MIT)
# Copyright (c) Microsoft Corporation. All rights reserved.
import os
import unittest
import uuid
import pytest
import azure.cosmos.cosmos_client as cosmos_client
import azure.cosmos.documents as documents
import test_config
from azure.cosmos.exceptions import CosmosHttpResponseError
from azure.cosmos.partition_key import PartitionKey
class _config:
host = test_config.TestConfig.host
master_key = test_config.TestConfig.masterKey
connection_policy = test_config.TestConfig.connectionPolicy
PARTITION_KEY = 'key'
UNIQUE_PARTITION_KEY = 'uniquePartitionKey'
FIELD = 'field'
DOCUMENTS_COUNT = 400
DOCS_WITH_SAME_PARTITION_KEY = 200
docs_with_numeric_id = 0
sum = 0
@pytest.mark.cosmosQuery
class TestAggregateQuery(unittest.TestCase):
client: cosmos_client.CosmosClient = None
@classmethod
def setUpClass(cls):
cls._all_tests = []
cls._setup()
cls._generate_test_configs()
@classmethod
def tearDownClass(cls) -> None:
try:
cls.created_db.delete_container(cls.created_collection.id)
except CosmosHttpResponseError:
pass
@classmethod
def _setup(cls):
if not _config.master_key or not _config.host:
raise Exception(
"You must specify your Azure Cosmos account values for "
"'masterKey' and 'host' at the top of this class to run the "
"tests.")
cls.client = cosmos_client.CosmosClient(_config.host, _config.master_key)
cls.created_db = cls.client.get_database_client(test_config.TestConfig.TEST_DATABASE_ID)
cls.created_collection = cls._create_collection(cls.created_db)
if _config.host == "https://localhost:8081/":
os.environ["AZURE_COSMOS_DISABLE_NON_STREAMING_ORDER_BY"] = "True"
# test documents
document_definitions = []
values = [None, False, True, "abc", "cdfg", "opqrs", "ttttttt", "xyz", "oo", "ppp"]
for value in values:
d = {_config.PARTITION_KEY: value, 'id': str(uuid.uuid4())}
document_definitions.append(d)
for i in range(_config.DOCS_WITH_SAME_PARTITION_KEY):
d = {_config.PARTITION_KEY: _config.UNIQUE_PARTITION_KEY,
'resourceId': i,
_config.FIELD: i + 1,
'id': str(uuid.uuid4())}
document_definitions.append(d)
_config.docs_with_numeric_id = \
_config.DOCUMENTS_COUNT - len(values) - _config.DOCS_WITH_SAME_PARTITION_KEY
for i in range(_config.docs_with_numeric_id):
d = {_config.PARTITION_KEY: i + 1, 'id': str(uuid.uuid4())}
document_definitions.append(d)
_config.sum = _config.docs_with_numeric_id \
* (_config.docs_with_numeric_id + 1) / 2.0
cls._insert_doc(cls.created_collection, document_definitions)
@classmethod
def _generate_test_configs(cls):
aggregate_query_format = 'SELECT VALUE {}(r.{}) FROM r WHERE {}'
aggregate_orderby_query_format = 'SELECT VALUE {}(r.{}) FROM r WHERE {} ORDER BY r.{}'
aggregate_configs = [
['AVG', _config.sum / _config.docs_with_numeric_id,
'IS_NUMBER(r.{})'.format(_config.PARTITION_KEY)],
['AVG', None, 'true'],
['COUNT', _config.DOCUMENTS_COUNT, 'true'],
['MAX', 'xyz', 'true'],
['MIN', None, 'true'],
['SUM', _config.sum, 'IS_NUMBER(r.{})'.format(_config.PARTITION_KEY)],
['SUM', None, 'true']
]
for operator, expected, condition in aggregate_configs:
cls._all_tests.append([
'{} {}'.format(operator, condition),
aggregate_query_format.format(operator, _config.PARTITION_KEY, condition),
expected])
cls._all_tests.append([
'{} {} OrderBy'.format(operator, condition),
aggregate_orderby_query_format.format(operator, _config.PARTITION_KEY, condition,
_config.PARTITION_KEY),
expected])
aggregate_single_partition_format = 'SELECT VALUE {}(r.{}) FROM r WHERE r.{} = \'{}\''
aggregate_orderby_single_partition_format = 'SELECT {}(r.{}) FROM r WHERE r.{} = \'{}\''
same_partiton_sum = _config.DOCS_WITH_SAME_PARTITION_KEY * (_config.DOCS_WITH_SAME_PARTITION_KEY + 1) / 2.0
aggregate_single_partition_configs = [
['AVG', same_partiton_sum / _config.DOCS_WITH_SAME_PARTITION_KEY],
['COUNT', _config.DOCS_WITH_SAME_PARTITION_KEY],
['MAX', _config.DOCS_WITH_SAME_PARTITION_KEY],
['MIN', 1],
['SUM', same_partiton_sum]
]
for operator, expected in aggregate_single_partition_configs:
cls._all_tests.append([
'{} SinglePartition {}'.format(operator, 'SELECT VALUE'),
aggregate_single_partition_format.format(
operator, _config.FIELD, _config.PARTITION_KEY, _config.UNIQUE_PARTITION_KEY), expected])
cls._all_tests.append([
'{} SinglePartition {}'.format(operator, 'SELECT'),
aggregate_orderby_single_partition_format.format(
operator, _config.FIELD, _config.PARTITION_KEY, _config.UNIQUE_PARTITION_KEY),
Exception()])
def test_run_all(self):
for test_name, query, expected_result in self._all_tests:
test_name = "test_%s" % test_name
try:
self._run_one(query, expected_result)
print(test_name + ': ' + query + " PASSED")
except Exception as e:
print(test_name + ': ' + query + " FAILED")
raise e
def _run_one(self, query, expected_result):
self._execute_query_and_validate_results(self.created_collection, query, expected_result)
@classmethod
def _create_collection(cls, created_db):
# type: (Database) -> Container
created_collection = created_db.create_container(
id='aggregate tests collection ' + str(uuid.uuid4()),
indexing_policy={
'includedPaths': [
{
'path': '/',
'indexes': [
{
'kind': 'Range',
'dataType': 'Number'
},
{
'kind': 'Range',
'dataType': 'String'
}
]
}
]
},
partition_key=PartitionKey(
path='/{}'.format(_config.PARTITION_KEY),
kind=documents.PartitionKind.Hash,
),
offer_throughput=10100
)
return created_collection
@classmethod
def _insert_doc(cls, collection, document_definitions):
# type: (Container, Dict[str, Any]) -> Dict[str, Any]
created_docs = []
for d in document_definitions:
created_doc = collection.create_item(body=d)
created_docs.append(created_doc)
return created_docs
def _execute_query_and_validate_results(self, collection, query, expected):
# type: (Container, str, Dict[str, Any]) -> None
# executes the query and validates the results against the expected results
result_iterable = collection.query_items(
query=query,
enable_cross_partition_query=True
)
def _verify_result():
######################################
# test next() behavior
######################################
it = result_iterable.__iter__()
def invokeNext():
return next(it)
# validate that invocations of next() produces the same results as expected
item = invokeNext()
self.assertEqual(item, expected)
# after the result set is exhausted, invoking next must raise a StopIteration exception
self.assertRaises(StopIteration, invokeNext)
######################################
# test by_page() behavior
######################################
page_iter = result_iterable.by_page()
fetched_res = list(next(page_iter))
fetched_size = len(fetched_res)
self.assertEqual(fetched_size, 1)
self.assertEqual(fetched_res[0], expected)
# no more results will be returned
with self.assertRaises(StopIteration):
next(page_iter)
if isinstance(expected, Exception):
self.assertRaises(CosmosHttpResponseError, _verify_result)
else:
_verify_result()
if __name__ == "__main__":
unittest.main()
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