279 lines
10 KiB
Python
279 lines
10 KiB
Python
# Copyright 2015-present MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Test the collection module."""
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import json
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import os
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import re
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import sys
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sys.path[0:0] = [""]
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from bson.py3compat import iteritems
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from pymongo import operations
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from pymongo.command_cursor import CommandCursor
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from pymongo.cursor import Cursor
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from pymongo.results import _WriteResult, BulkWriteResult
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from pymongo.operations import (InsertOne,
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DeleteOne,
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DeleteMany,
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ReplaceOne,
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UpdateOne,
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UpdateMany)
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from test import unittest, client_context, IntegrationTest
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from test.utils import drop_collections
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# Location of JSON test specifications.
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_TEST_PATH = os.path.join(
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os.path.dirname(os.path.realpath(__file__)), 'crud')
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class TestAllScenarios(IntegrationTest):
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pass
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def camel_to_snake(camel):
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# Regex to convert CamelCase to snake_case.
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snake = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', camel)
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return re.sub('([a-z0-9])([A-Z])', r'\1_\2', snake).lower()
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def camel_to_upper_camel(camel):
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return camel[0].upper() + camel[1:]
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def check_result(expected_result, result):
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if isinstance(result, Cursor) or isinstance(result, CommandCursor):
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return list(result) == expected_result
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elif isinstance(result, _WriteResult):
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for res in expected_result:
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prop = camel_to_snake(res)
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# SPEC-869: Only BulkWriteResult has upserted_count.
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if (prop == "upserted_count" and
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not isinstance(result, BulkWriteResult)):
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if result.upserted_id is not None:
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upserted_count = 1
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else:
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upserted_count = 0
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if upserted_count != expected_result[res]:
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return False
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elif prop == "inserted_ids":
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# BulkWriteResult does not have inserted_ids.
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if isinstance(result, BulkWriteResult):
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if len(expected_result[res]) != result.inserted_count:
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return False
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else:
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# InsertManyResult may be compared to [id1] from the
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# crud spec or {"0": id1} from the retryable write spec.
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ids = expected_result[res]
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if isinstance(ids, dict):
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ids = [ids[str(i)] for i in range(len(ids))]
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if ids != result.inserted_ids:
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return False
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elif prop == "upserted_ids":
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# Convert indexes from strings to integers.
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ids = expected_result[res]
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expected_ids = {}
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for str_index in ids:
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expected_ids[int(str_index)] = ids[str_index]
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if expected_ids != result.upserted_ids:
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return False
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elif getattr(result, prop) != expected_result[res]:
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return False
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return True
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else:
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if not expected_result:
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return result is None
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else:
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return result == expected_result
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def camel_to_snake_args(arguments):
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for arg_name in list(arguments):
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c2s = camel_to_snake(arg_name)
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arguments[c2s] = arguments.pop(arg_name)
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return arguments
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def run_operation(collection, test):
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# Convert command from CamelCase to pymongo.collection method.
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operation = camel_to_snake(test['operation']['name'])
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cmd = getattr(collection, operation)
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# Convert arguments to snake_case and handle special cases.
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arguments = test['operation']['arguments']
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options = arguments.pop("options", {})
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for option_name in options:
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arguments[camel_to_snake(option_name)] = options[option_name]
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if operation == "bulk_write":
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# Parse each request into a bulk write model.
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requests = []
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for request in arguments["requests"]:
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bulk_model = camel_to_upper_camel(request["name"])
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bulk_class = getattr(operations, bulk_model)
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bulk_arguments = camel_to_snake_args(request["arguments"])
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requests.append(bulk_class(**bulk_arguments))
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arguments["requests"] = requests
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else:
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for arg_name in list(arguments):
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c2s = camel_to_snake(arg_name)
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# PyMongo accepts sort as list of tuples. Asserting len=1
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# because ordering dicts from JSON in 2.6 is unwieldy.
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if arg_name == "sort":
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sort_dict = arguments[arg_name]
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assert len(sort_dict) == 1, 'test can only have 1 sort key'
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arguments[arg_name] = list(iteritems(sort_dict))
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# Named "key" instead not fieldName.
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if arg_name == "fieldName":
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arguments["key"] = arguments.pop(arg_name)
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# Aggregate uses "batchSize", while find uses batch_size.
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elif arg_name == "batchSize" and operation == "aggregate":
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continue
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# Requires boolean returnDocument.
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elif arg_name == "returnDocument":
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arguments[c2s] = arguments[arg_name] == "After"
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else:
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arguments[c2s] = arguments.pop(arg_name)
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result = cmd(**arguments)
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if operation == "aggregate":
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if arguments["pipeline"] and "$out" in arguments["pipeline"][-1]:
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out = collection.database[arguments["pipeline"][-1]["$out"]]
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return out.find()
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return result
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def create_test(scenario_def, test):
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def run_scenario(self):
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# Load data.
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assert scenario_def['data'], "tests must have non-empty data"
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drop_collections(self.db)
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self.db.test.insert_many(scenario_def['data'])
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result = run_operation(self.db.test, test)
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# Assert final state is expected.
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expected_c = test['outcome'].get('collection')
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if expected_c is not None:
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expected_name = expected_c.get('name')
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if expected_name is not None:
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db_coll = self.db[expected_name]
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else:
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db_coll = self.db.test
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self.assertEqual(list(db_coll.find()), expected_c['data'])
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expected_result = test['outcome'].get('result')
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self.assertTrue(check_result(expected_result, result))
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return run_scenario
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def create_tests():
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for dirpath, _, filenames in os.walk(_TEST_PATH):
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dirname = os.path.split(dirpath)[-1]
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for filename in filenames:
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with open(os.path.join(dirpath, filename)) as scenario_stream:
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scenario_def = json.load(scenario_stream)
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test_type = os.path.splitext(filename)[0]
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min_ver, max_ver = None, None
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if 'minServerVersion' in scenario_def:
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min_ver = tuple(
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int(elt) for
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elt in scenario_def['minServerVersion'].split('.'))
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if 'maxServerVersion' in scenario_def:
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max_ver = tuple(
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int(elt) for
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elt in scenario_def['maxServerVersion'].split('.'))
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# Construct test from scenario.
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for test in scenario_def['tests']:
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new_test = create_test(scenario_def, test)
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if min_ver is not None:
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new_test = client_context.require_version_min(*min_ver)(
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new_test)
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if max_ver is not None:
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new_test = client_context.require_version_max(*max_ver)(
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new_test)
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test_name = 'test_%s_%s_%s' % (
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dirname,
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test_type,
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str(test['description'].replace(" ", "_")))
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new_test.__name__ = test_name
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setattr(TestAllScenarios, new_test.__name__, new_test)
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create_tests()
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class TestWriteOpsComparison(unittest.TestCase):
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def test_InsertOneEquals(self):
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self.assertEqual(InsertOne({'foo': 42}), InsertOne({'foo': 42}))
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def test_InsertOneNotEquals(self):
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self.assertNotEqual(InsertOne({'foo': 42}), InsertOne({'foo': 23}))
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def test_DeleteOneEquals(self):
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self.assertEqual(DeleteOne({'foo': 42}), DeleteOne({'foo': 42}))
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def test_DeleteOneNotEquals(self):
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self.assertNotEqual(DeleteOne({'foo': 42}), DeleteOne({'foo': 23}))
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def test_DeleteManyEquals(self):
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self.assertEqual(DeleteMany({'foo': 42}), DeleteMany({'foo': 42}))
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def test_DeleteManyNotEquals(self):
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self.assertNotEqual(DeleteMany({'foo': 42}), DeleteMany({'foo': 23}))
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def test_DeleteOneNotEqualsDeleteMany(self):
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self.assertNotEqual(DeleteOne({'foo': 42}), DeleteMany({'foo': 42}))
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def test_ReplaceOneEquals(self):
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self.assertEqual(ReplaceOne({'foo': 42}, {'bar': 42}, upsert=False),
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ReplaceOne({'foo': 42}, {'bar': 42}, upsert=False))
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def test_ReplaceOneNotEquals(self):
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self.assertNotEqual(ReplaceOne({'foo': 42}, {'bar': 42}, upsert=False),
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ReplaceOne({'foo': 42}, {'bar': 42}, upsert=True))
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def test_UpdateOneEquals(self):
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self.assertEqual(UpdateOne({'foo': 42}, {'$set': {'bar': 42}}),
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UpdateOne({'foo': 42}, {'$set': {'bar': 42}}))
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def test_UpdateOneNotEquals(self):
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self.assertNotEqual(UpdateOne({'foo': 42}, {'$set': {'bar': 42}}),
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UpdateOne({'foo': 42}, {'$set': {'bar': 23}}))
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def test_UpdateManyEquals(self):
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self.assertEqual(UpdateMany({'foo': 42}, {'$set': {'bar': 42}}),
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UpdateMany({'foo': 42}, {'$set': {'bar': 42}}))
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def test_UpdateManyNotEquals(self):
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self.assertNotEqual(UpdateMany({'foo': 42}, {'$set': {'bar': 42}}),
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UpdateMany({'foo': 42}, {'$set': {'bar': 23}}))
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def test_UpdateOneNotEqualsUpdateMany(self):
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self.assertNotEqual(UpdateOne({'foo': 42}, {'$set': {'bar': 42}}),
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UpdateMany({'foo': 42}, {'$set': {'bar': 42}}))
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if __name__ == "__main__":
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unittest.main()
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