mongo-python-driver/test/test_crud.py

202 lines
7.7 KiB
Python

# Copyright 2015 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Test the collection module."""
import json
import os
import re
import sys
sys.path[0:0] = [""]
from bson.py3compat import iteritems
from pymongo.command_cursor import CommandCursor
from pymongo.cursor import Cursor
from pymongo.results import _WriteResult
from pymongo.operations import UpdateOne, UpdateMany, DeleteOne, DeleteMany, InsertOne, ReplaceOne
from test import unittest, client_context, IntegrationTest
# Location of JSON test specifications.
_TEST_PATH = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'crud')
class TestAllScenarios(IntegrationTest):
pass
def camel_to_snake(camel):
# Regex to convert CamelCase to snake_case.
snake = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', camel)
return re.sub('([a-z0-9])([A-Z])', r'\1_\2', snake).lower()
def check_result(expected_result, result):
if isinstance(result, Cursor) or isinstance(result, CommandCursor):
return list(result) == expected_result
elif isinstance(result, _WriteResult):
for r in expected_result:
prop = camel_to_snake(r)
return getattr(result, prop) == expected_result[r]
else:
if not expected_result:
return result is None
else:
return result == expected_result
def create_test(scenario_def, test, ignore_result):
def run_scenario(self):
# Load data.
assert scenario_def['data'], "tests must have non-empty data"
self.db.test.drop()
self.db.test.insert_many(scenario_def['data'])
# Convert command from CamelCase to pymongo.collection method.
operation = camel_to_snake(test['operation']['name'])
cmd = getattr(self.db.test, operation)
# Convert arguments to snake_case and handle special cases.
arguments = test['operation']['arguments']
for arg_name in list(arguments):
c2s = camel_to_snake(arg_name)
# PyMongo accepts sort as list of tuples. Asserting len=1
# because ordering dicts from JSON in 2.6 is unwieldy.
if arg_name == "sort":
sort_dict = arguments[arg_name]
assert len(sort_dict) == 1, 'test can only have 1 sort key'
arguments[arg_name] = list(iteritems(sort_dict))
# Named "key" instead not fieldName.
if arg_name == "fieldName":
arguments["key"] = arguments.pop(arg_name)
# Aggregate uses "batchSize", while find uses batch_size.
elif arg_name == "batchSize" and operation == "aggregate":
continue
# Requires boolean returnDocument.
elif arg_name == "returnDocument":
arguments[c2s] = arguments[arg_name] == "After"
else:
arguments[c2s] = arguments.pop(arg_name)
result = cmd(**arguments)
# Assert result is expected, excluding the $out aggregation test.
if not ignore_result:
check_result(test['outcome'].get('result'), result)
# Assert final state is expected.
expected_c = test['outcome'].get('collection')
if expected_c is not None:
expected_name = expected_c.get('name')
if expected_name is not None:
db_coll = self.db[expected_name]
else:
db_coll = self.db.test
self.assertEqual(list(db_coll.find()), expected_c['data'])
return run_scenario
def create_tests():
for dirpath, _, filenames in os.walk(_TEST_PATH):
dirname = os.path.split(dirpath)[-1]
for filename in filenames:
with open(os.path.join(dirpath, filename)) as scenario_stream:
scenario_def = json.load(scenario_stream)
test_type = os.path.splitext(filename)[0]
# Construct test from scenario.
for test in scenario_def['tests']:
desc = test['description']
# Special case tests that require specific versions
if ("without an id specified" in desc or
"FindOneAndReplace" in desc and "with upsert" in desc):
new_test = client_context.require_version_min(2, 6, 0)(
create_test(scenario_def, test, False))
elif desc == "Aggregate with $out":
new_test = client_context.require_version_min(2, 6, 0)(
create_test(scenario_def, test, True))
else:
new_test = create_test(scenario_def, test, False)
test_name = 'test_%s_%s_%s' % (
dirname,
test_type,
str(test['description'].replace(" ", "_")))
new_test.__name__ = test_name
setattr(TestAllScenarios, new_test.__name__, new_test)
create_tests()
class TestWriteOpsComparison(unittest.TestCase):
def test_InsertOneEquals(self):
self.assertEqual(InsertOne({'foo': 42}), InsertOne({'foo': 42}))
def test_InsertOneNotEquals(self):
self.assertNotEqual(InsertOne({'foo': 42}), InsertOne({'foo': 23}))
def test_DeleteOneEquals(self):
self.assertEqual(DeleteOne({'foo': 42}), DeleteOne({'foo': 42}))
def test_DeleteOneNotEquals(self):
self.assertNotEqual(DeleteOne({'foo': 42}), DeleteOne({'foo': 23}))
def test_DeleteManyEquals(self):
self.assertEqual(DeleteMany({'foo': 42}), DeleteMany({'foo': 42}))
def test_DeleteManyNotEquals(self):
self.assertNotEqual(DeleteMany({'foo': 42}), DeleteMany({'foo': 23}))
def test_DeleteOneNotEqualsDeleteMany(self):
self.assertNotEqual(DeleteOne({'foo': 42}), DeleteMany({'foo': 42}))
def test_ReplaceOneEquals(self):
self.assertEqual(ReplaceOne({'foo': 42}, {'bar': 42}, upsert=False),
ReplaceOne({'foo': 42}, {'bar': 42}, upsert=False))
def test_ReplaceOneNotEquals(self):
self.assertNotEqual(ReplaceOne({'foo': 42}, {'bar': 42}, upsert=False),
ReplaceOne({'foo': 42}, {'bar': 42}, upsert=True))
def test_UpdateOneEquals(self):
self.assertEqual(UpdateOne({'foo': 42}, {'$set': {'bar': 42}}),
UpdateOne({'foo': 42}, {'$set': {'bar': 42}}))
def test_UpdateOneNotEquals(self):
self.assertNotEqual(UpdateOne({'foo': 42}, {'$set': {'bar': 42}}),
UpdateOne({'foo': 42}, {'$set': {'bar': 23}}))
def test_UpdateManyEquals(self):
self.assertEqual(UpdateMany({'foo': 42}, {'$set': {'bar': 42}}),
UpdateMany({'foo': 42}, {'$set': {'bar': 42}}))
def test_UpdateManyNotEquals(self):
self.assertNotEqual(UpdateMany({'foo': 42}, {'$set': {'bar': 42}}),
UpdateMany({'foo': 42}, {'$set': {'bar': 23}}))
def test_UpdateOneNotEqualsUpdateMany(self):
self.assertNotEqual(UpdateOne({'foo': 42}, {'$set': {'bar': 42}}),
UpdateMany({'foo': 42}, {'$set': {'bar': 42}}))
if __name__ == "__main__":
unittest.main()