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#The MIT License (MIT)
#Copyright (c) 2014 Microsoft Corporation
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
#SOFTWARE.
import unittest
import uuid
import pytest
from six.moves import xrange
import azure.cosmos.documents as documents
import azure.cosmos.cosmos_client as cosmos_client
from azure.cosmos.execution_context import base_execution_context as base_execution_context
import azure.cosmos.base as base
import test.test_config as test_config
#IMPORTANT NOTES:
# Most test cases in this file create collections in your Azure Cosmos account.
# Collections are billing entities. By running these test cases, you may incur monetary costs on your account.
# To Run the test, replace the two member fields (masterKey and host) with values
# associated with your Azure Cosmos account.
@pytest.mark.usefixtures("teardown")
class QueryExecutionContextEndToEndTests(unittest.TestCase):
"""Routing Map Functionalities end to end Tests.
"""
host = test_config._test_config.host
masterKey = test_config._test_config.masterKey
connectionPolicy = test_config._test_config.connectionPolicy
@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.")
cls.client = cosmos_client.CosmosClient(QueryExecutionContextEndToEndTests.host,
{'masterKey': QueryExecutionContextEndToEndTests.masterKey},
QueryExecutionContextEndToEndTests.connectionPolicy)
cls.created_db = test_config._test_config.create_database_if_not_exist(cls.client)
cls.created_collection = cls.create_collection(cls.client, cls.created_db)
cls.collection_link = cls.created_collection['_self']
cls.document_definitions = []
# create a document using the document definition
for i in xrange(20):
d = {'id' : str(i),
'name': 'sample document',
'spam': 'eggs' + str(i),
'key': 'value'}
cls.document_definitions.append(d)
cls.insert_doc(cls.client, cls.created_db, cls.collection_link, cls.document_definitions)
@classmethod
def tearDownClass(cls):
cls.client.DeleteContainer(cls.collection_link)
def setUp(self):
# sanity check:
partition_key_ranges = list(self.client._ReadPartitionKeyRanges(self.collection_link))
self.assertGreaterEqual(len(partition_key_ranges), 1)
# sanity check: read documents after creation
queried_docs = list(self.client.ReadItems(self.collection_link))
self.assertEqual(
len(queried_docs),
len(self.document_definitions),
'create should increase the number of documents')
def test_no_query_default_execution_context(self):
options = {}
options['maxItemCount'] = 2
self._test_default_execution_context(options, None, 20)
def test_no_query_default_execution_context_with_small_last_page(self):
options = {}
options['maxItemCount'] = 3
self._test_default_execution_context(options, None, 20)
def test_simple_query_default_execution_context(self):
query = {
'query': 'SELECT * FROM root r WHERE r.id != @id',
'parameters': [
{ 'name': '@id', 'value': '5'}
]
}
options = {}
options['enableCrossPartitionQuery'] = True
options['maxItemCount'] = 2
res = self.client.QueryItems(self.collection_link, query, options)
self.assertEqual(len(list(res)), 19)
self._test_default_execution_context(options, query, 19)
def test_simple_query_default_execution_context_with_small_last_page(self):
query = {
'query': 'SELECT * FROM root r WHERE r.id != @id',
'parameters': [
{ 'name': '@id', 'value': '5'}
]
}
options = {}
options['enableCrossPartitionQuery'] = True
options['maxItemCount'] = 3
self._test_default_execution_context(options, query, 19)
def _test_default_execution_context(self, options, query, expected_number_of_results):
page_size = options['maxItemCount']
collection_link = self.GetDocumentCollectionLink(self.created_db, self.created_collection)
path = base.GetPathFromLink(collection_link, 'docs')
collection_id = base.GetResourceIdOrFullNameFromLink(collection_link)
def fetch_fn(options):
return self.client.QueryFeed(path,
collection_id,
query,
options)
######################################
# test next() behavior
######################################
ex = base_execution_context._DefaultQueryExecutionContext(self.client, options, fetch_fn)
it = ex.__iter__()
def invokeNext():
return next(it)
results = {}
# validate that invocations of next() produces the same results as expected
for _ in xrange(expected_number_of_results):
item = invokeNext()
results[item['id']] = item
self.assertEqual(len(results), expected_number_of_results)
# after the result set is exhausted, invoking next must raise a StopIteration exception
self.assertRaises(StopIteration, invokeNext)
######################################
# test fetch_next_block() behavior
######################################
ex = base_execution_context._DefaultQueryExecutionContext(self.client, options, fetch_fn)
results = {}
cnt = 0
while True:
fetched_res = ex.fetch_next_block()
fetched_size = len(fetched_res)
for item in fetched_res:
results[item['id']] = item
cnt += fetched_size
if (cnt < expected_number_of_results):
# backend may not necessarily return exactly page_size of results
self.assertEqual(fetched_size, page_size, "page size")
else:
if cnt == expected_number_of_results:
self.assertTrue(fetched_size <= page_size, "last page size")
break
else:
#cnt > expected_number_of_results
self.fail("more results than expected")
# validate the number of collected results
self.assertEqual(len(results), expected_number_of_results)
# no more results will be returned
self.assertEqual(ex.fetch_next_block(), [])
@classmethod
def create_collection(cls, client, created_db):
collection_definition = { 'id': 'query_execution_context_tests collection ' + str(uuid.uuid4()),
'partitionKey':
{
'paths': ['/id'],
'kind': documents.PartitionKind.Hash
}
}
collection_options = { }
created_collection = client.CreateContainer(created_db['_self'],
collection_definition,
collection_options)
return created_collection
@classmethod
def insert_doc(cls, client, created_db, collection_link, document_definitions):
# create a document using the document definition
created_docs = []
for d in document_definitions:
created_doc = client.CreateItem(collection_link, d)
created_docs.append(created_doc)
return created_docs
def GetDatabaseLink(self, database, is_name_based=True):
if is_name_based:
return 'dbs/' + database['id']
else:
return database['_self']
def GetDocumentCollectionLink(self, database, document_collection, is_name_based=True):
if is_name_based:
return self.GetDatabaseLink(database) + '/colls/' + document_collection['id']
else:
return document_collection['_self']
if __name__ == "__main__":
#import sys;sys.argv = ['', 'Test.testName']
unittest.main()
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