702 lines
23 KiB
Python
702 lines
23 KiB
Python
import datetime
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from bson.tz_util import utc
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from nose.plugins.skip import SkipTest
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import pymongo
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from pymongo import MongoClient
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from pymongo import ReadPreference
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from pymongo.errors import InvalidName, OperationFailure
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest
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import mongoengine.connection
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from mongoengine import (
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DateTimeField,
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Document,
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StringField,
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connect,
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disconnect_all,
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register_connection,
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)
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from mongoengine.connection import (
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ConnectionFailure,
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DEFAULT_DATABASE_NAME,
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disconnect,
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get_connection,
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get_db,
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)
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import pytest
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def get_tz_awareness(connection):
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return connection.codec_options.tz_aware
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class ConnectionTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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disconnect_all()
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@classmethod
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def tearDownClass(cls):
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disconnect_all()
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def tearDown(self):
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mongoengine.connection._connection_settings = {}
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mongoengine.connection._connections = {}
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mongoengine.connection._dbs = {}
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def test_connect(self):
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"""Ensure that the connect() method works properly."""
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connect("mongoenginetest")
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conn = get_connection()
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assert isinstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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assert isinstance(db, pymongo.database.Database)
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assert db.name == "mongoenginetest"
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connect("mongoenginetest2", alias="testdb")
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conn = get_connection("testdb")
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assert isinstance(conn, pymongo.mongo_client.MongoClient)
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def test_connect_disconnect_works_properly(self):
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class History1(Document):
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name = StringField()
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meta = {"db_alias": "db1"}
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class History2(Document):
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name = StringField()
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meta = {"db_alias": "db2"}
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connect("db1", alias="db1")
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connect("db2", alias="db2")
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History1.drop_collection()
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History2.drop_collection()
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h = History1(name="default").save()
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h1 = History2(name="db1").save()
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assert list(History1.objects().as_pymongo()) == [
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{"_id": h.id, "name": "default"}
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]
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assert list(History2.objects().as_pymongo()) == [{"_id": h1.id, "name": "db1"}]
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disconnect("db1")
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disconnect("db2")
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with pytest.raises(ConnectionFailure):
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list(History1.objects().as_pymongo())
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with pytest.raises(ConnectionFailure):
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list(History2.objects().as_pymongo())
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connect("db1", alias="db1")
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connect("db2", alias="db2")
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assert list(History1.objects().as_pymongo()) == [
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{"_id": h.id, "name": "default"}
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]
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assert list(History2.objects().as_pymongo()) == [{"_id": h1.id, "name": "db1"}]
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def test_connect_different_documents_to_different_database(self):
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class History(Document):
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name = StringField()
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class History1(Document):
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name = StringField()
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meta = {"db_alias": "db1"}
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class History2(Document):
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name = StringField()
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meta = {"db_alias": "db2"}
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connect()
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connect("db1", alias="db1")
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connect("db2", alias="db2")
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History.drop_collection()
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History1.drop_collection()
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History2.drop_collection()
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h = History(name="default").save()
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h1 = History1(name="db1").save()
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h2 = History2(name="db2").save()
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assert History._collection.database.name == DEFAULT_DATABASE_NAME
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assert History1._collection.database.name == "db1"
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assert History2._collection.database.name == "db2"
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assert list(History.objects().as_pymongo()) == [
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{"_id": h.id, "name": "default"}
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]
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assert list(History1.objects().as_pymongo()) == [{"_id": h1.id, "name": "db1"}]
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assert list(History2.objects().as_pymongo()) == [{"_id": h2.id, "name": "db2"}]
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def test_connect_fails_if_connect_2_times_with_default_alias(self):
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connect("mongoenginetest")
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with pytest.raises(ConnectionFailure) as ctx_err:
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connect("mongoenginetest2")
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assert (
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"A different connection with alias `default` was already registered. Use disconnect() first"
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== str(ctx_err.exception)
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)
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def test_connect_fails_if_connect_2_times_with_custom_alias(self):
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connect("mongoenginetest", alias="alias1")
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with pytest.raises(ConnectionFailure) as ctx_err:
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connect("mongoenginetest2", alias="alias1")
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assert (
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"A different connection with alias `alias1` was already registered. Use disconnect() first"
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== str(ctx_err.exception)
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)
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def test_connect_fails_if_similar_connection_settings_arent_defined_the_same_way(
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self,
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):
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"""Intended to keep the detecton function simple but robust"""
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db_name = "mongoenginetest"
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db_alias = "alias1"
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connect(db=db_name, alias=db_alias, host="localhost", port=27017)
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with pytest.raises(ConnectionFailure):
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connect(host="mongodb://localhost:27017/%s" % db_name, alias=db_alias)
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def test_connect_passes_silently_connect_multiple_times_with_same_config(self):
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# test default connection to `test`
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connect()
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connect()
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assert len(mongoengine.connection._connections) == 1
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connect("test01", alias="test01")
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connect("test01", alias="test01")
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assert len(mongoengine.connection._connections) == 2
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connect(host="mongodb://localhost:27017/mongoenginetest02", alias="test02")
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connect(host="mongodb://localhost:27017/mongoenginetest02", alias="test02")
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assert len(mongoengine.connection._connections) == 3
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def test_connect_with_invalid_db_name(self):
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"""Ensure that connect() method fails fast if db name is invalid
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"""
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with pytest.raises(InvalidName):
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connect("mongomock://localhost")
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def test_connect_with_db_name_external(self):
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"""Ensure that connect() works if db name is $external
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"""
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"""Ensure that the connect() method works properly."""
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connect("$external")
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conn = get_connection()
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assert isinstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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assert isinstance(db, pymongo.database.Database)
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assert db.name == "$external"
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connect("$external", alias="testdb")
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conn = get_connection("testdb")
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assert isinstance(conn, pymongo.mongo_client.MongoClient)
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def test_connect_with_invalid_db_name_type(self):
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"""Ensure that connect() method fails fast if db name has invalid type
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"""
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with pytest.raises(TypeError):
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non_string_db_name = ["e. g. list instead of a string"]
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connect(non_string_db_name)
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def test_connect_in_mocking(self):
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"""Ensure that the connect() method works properly in mocking.
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"""
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try:
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import mongomock
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except ImportError:
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raise SkipTest("you need mongomock installed to run this testcase")
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connect("mongoenginetest", host="mongomock://localhost")
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conn = get_connection()
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assert isinstance(conn, mongomock.MongoClient)
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connect("mongoenginetest2", host="mongomock://localhost", alias="testdb2")
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conn = get_connection("testdb2")
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assert isinstance(conn, mongomock.MongoClient)
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connect(
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"mongoenginetest3",
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host="mongodb://localhost",
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is_mock=True,
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alias="testdb3",
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)
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conn = get_connection("testdb3")
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assert isinstance(conn, mongomock.MongoClient)
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connect("mongoenginetest4", is_mock=True, alias="testdb4")
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conn = get_connection("testdb4")
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assert isinstance(conn, mongomock.MongoClient)
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connect(
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host="mongodb://localhost:27017/mongoenginetest5",
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is_mock=True,
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alias="testdb5",
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)
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conn = get_connection("testdb5")
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assert isinstance(conn, mongomock.MongoClient)
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connect(host="mongomock://localhost:27017/mongoenginetest6", alias="testdb6")
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conn = get_connection("testdb6")
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assert isinstance(conn, mongomock.MongoClient)
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connect(
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host="mongomock://localhost:27017/mongoenginetest7",
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is_mock=True,
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alias="testdb7",
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)
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conn = get_connection("testdb7")
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assert isinstance(conn, mongomock.MongoClient)
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def test_default_database_with_mocking(self):
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"""Ensure that the default database is correctly set when using mongomock.
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"""
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try:
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import mongomock
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except ImportError:
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raise SkipTest("you need mongomock installed to run this testcase")
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disconnect_all()
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class SomeDocument(Document):
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pass
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conn = connect(host="mongomock://localhost:27017/mongoenginetest")
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some_document = SomeDocument()
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# database won't exist until we save a document
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some_document.save()
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assert conn.get_default_database().name == "mongoenginetest"
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assert conn.database_names()[0] == "mongoenginetest"
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def test_connect_with_host_list(self):
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"""Ensure that the connect() method works when host is a list
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Uses mongomock to test w/o needing multiple mongod/mongos processes
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"""
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try:
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import mongomock
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except ImportError:
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raise SkipTest("you need mongomock installed to run this testcase")
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connect(host=["mongomock://localhost"])
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conn = get_connection()
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assert isinstance(conn, mongomock.MongoClient)
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connect(host=["mongodb://localhost"], is_mock=True, alias="testdb2")
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conn = get_connection("testdb2")
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assert isinstance(conn, mongomock.MongoClient)
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connect(host=["localhost"], is_mock=True, alias="testdb3")
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conn = get_connection("testdb3")
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assert isinstance(conn, mongomock.MongoClient)
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connect(
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host=["mongomock://localhost:27017", "mongomock://localhost:27018"],
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alias="testdb4",
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)
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conn = get_connection("testdb4")
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assert isinstance(conn, mongomock.MongoClient)
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connect(
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host=["mongodb://localhost:27017", "mongodb://localhost:27018"],
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is_mock=True,
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alias="testdb5",
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)
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conn = get_connection("testdb5")
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assert isinstance(conn, mongomock.MongoClient)
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connect(
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host=["localhost:27017", "localhost:27018"], is_mock=True, alias="testdb6"
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)
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conn = get_connection("testdb6")
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assert isinstance(conn, mongomock.MongoClient)
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def test_disconnect_cleans_globals(self):
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"""Ensure that the disconnect() method cleans the globals objects"""
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connections = mongoengine.connection._connections
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dbs = mongoengine.connection._dbs
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connection_settings = mongoengine.connection._connection_settings
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connect("mongoenginetest")
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assert len(connections) == 1
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assert len(dbs) == 0
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assert len(connection_settings) == 1
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class TestDoc(Document):
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pass
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TestDoc.drop_collection() # triggers the db
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assert len(dbs) == 1
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disconnect()
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assert len(connections) == 0
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assert len(dbs) == 0
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assert len(connection_settings) == 0
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def test_disconnect_cleans_cached_collection_attribute_in_document(self):
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"""Ensure that the disconnect() method works properly"""
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conn1 = connect("mongoenginetest")
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class History(Document):
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pass
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assert History._collection is None
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History.drop_collection()
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History.objects.first() # will trigger the caching of _collection attribute
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assert History._collection is not None
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disconnect()
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assert History._collection is None
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with pytest.raises(ConnectionFailure) as ctx_err:
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History.objects.first()
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assert "You have not defined a default connection" == str(ctx_err.exception)
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def test_connect_disconnect_works_on_same_document(self):
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"""Ensure that the connect/disconnect works properly with a single Document"""
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db1 = "db1"
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db2 = "db2"
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# Ensure freshness of the 2 databases through pymongo
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client = MongoClient("localhost", 27017)
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client.drop_database(db1)
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client.drop_database(db2)
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# Save in db1
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connect(db1)
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class User(Document):
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name = StringField(required=True)
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user1 = User(name="John is in db1").save()
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disconnect()
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# Make sure save doesnt work at this stage
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with pytest.raises(ConnectionFailure):
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User(name="Wont work").save()
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# Save in db2
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connect(db2)
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user2 = User(name="Bob is in db2").save()
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disconnect()
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db1_users = list(client[db1].user.find())
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assert db1_users == [{"_id": user1.id, "name": "John is in db1"}]
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db2_users = list(client[db2].user.find())
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assert db2_users == [{"_id": user2.id, "name": "Bob is in db2"}]
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def test_disconnect_silently_pass_if_alias_does_not_exist(self):
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connections = mongoengine.connection._connections
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assert len(connections) == 0
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disconnect(alias="not_exist")
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def test_disconnect_all(self):
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connections = mongoengine.connection._connections
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dbs = mongoengine.connection._dbs
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connection_settings = mongoengine.connection._connection_settings
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connect("mongoenginetest")
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connect("mongoenginetest2", alias="db1")
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class History(Document):
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pass
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class History1(Document):
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name = StringField()
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meta = {"db_alias": "db1"}
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History.drop_collection() # will trigger the caching of _collection attribute
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History.objects.first()
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History1.drop_collection()
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History1.objects.first()
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assert History._collection is not None
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assert History1._collection is not None
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assert len(connections) == 2
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assert len(dbs) == 2
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assert len(connection_settings) == 2
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disconnect_all()
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assert History._collection is None
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assert History1._collection is None
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assert len(connections) == 0
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assert len(dbs) == 0
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assert len(connection_settings) == 0
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with pytest.raises(ConnectionFailure):
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History.objects.first()
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with pytest.raises(ConnectionFailure):
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History1.objects.first()
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def test_disconnect_all_silently_pass_if_no_connection_exist(self):
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disconnect_all()
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def test_sharing_connections(self):
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"""Ensure that connections are shared when the connection settings are exactly the same
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"""
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connect("mongoenginetests", alias="testdb1")
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expected_connection = get_connection("testdb1")
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connect("mongoenginetests", alias="testdb2")
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actual_connection = get_connection("testdb2")
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expected_connection.server_info()
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assert expected_connection == actual_connection
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def test_connect_uri(self):
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"""Ensure that the connect() method works properly with URIs."""
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c = connect(db="mongoenginetest", alias="admin")
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c.admin.system.users.delete_many({})
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c.mongoenginetest.system.users.delete_many({})
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c.admin.command("createUser", "admin", pwd="password", roles=["root"])
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c.admin.authenticate("admin", "password")
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c.admin.command("createUser", "username", pwd="password", roles=["dbOwner"])
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connect(
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"testdb_uri", host="mongodb://username:password@localhost/mongoenginetest"
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)
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conn = get_connection()
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assert isinstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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assert isinstance(db, pymongo.database.Database)
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assert db.name == "mongoenginetest"
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c.admin.system.users.delete_many({})
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c.mongoenginetest.system.users.delete_many({})
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def test_connect_uri_without_db(self):
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"""Ensure connect() method works properly if the URI doesn't
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include a database name.
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"""
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connect("mongoenginetest", host="mongodb://localhost/")
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conn = get_connection()
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assert isinstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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assert isinstance(db, pymongo.database.Database)
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assert db.name == "mongoenginetest"
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def test_connect_uri_default_db(self):
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"""Ensure connect() defaults to the right database name if
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the URI and the database_name don't explicitly specify it.
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"""
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connect(host="mongodb://localhost/")
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conn = get_connection()
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assert isinstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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assert isinstance(db, pymongo.database.Database)
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assert db.name == "test"
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def test_uri_without_credentials_doesnt_override_conn_settings(self):
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"""Ensure connect() uses the username & password params if the URI
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doesn't explicitly specify them.
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"""
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c = connect(
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host="mongodb://localhost/mongoenginetest", username="user", password="pass"
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)
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# OperationFailure means that mongoengine attempted authentication
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# w/ the provided username/password and failed - that's the desired
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# behavior. If the MongoDB URI would override the credentials
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with pytest.raises(OperationFailure):
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get_db()
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def test_connect_uri_with_authsource(self):
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"""Ensure that the connect() method works well with `authSource`
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|
option in the URI.
|
|
"""
|
|
# Create users
|
|
c = connect("mongoenginetest")
|
|
|
|
c.admin.system.users.delete_many({})
|
|
c.admin.command("createUser", "username2", pwd="password", roles=["dbOwner"])
|
|
|
|
# Authentication fails without "authSource"
|
|
test_conn = connect(
|
|
"mongoenginetest",
|
|
alias="test1",
|
|
host="mongodb://username2:password@localhost/mongoenginetest",
|
|
)
|
|
with pytest.raises(OperationFailure):
|
|
test_conn.server_info()
|
|
|
|
# Authentication succeeds with "authSource"
|
|
authd_conn = connect(
|
|
"mongoenginetest",
|
|
alias="test2",
|
|
host=(
|
|
"mongodb://username2:password@localhost/"
|
|
"mongoenginetest?authSource=admin"
|
|
),
|
|
)
|
|
db = get_db("test2")
|
|
assert isinstance(db, pymongo.database.Database)
|
|
assert db.name == "mongoenginetest"
|
|
|
|
# Clear all users
|
|
authd_conn.admin.system.users.delete_many({})
|
|
|
|
def test_register_connection(self):
|
|
"""Ensure that connections with different aliases may be registered.
|
|
"""
|
|
register_connection("testdb", "mongoenginetest2")
|
|
|
|
with pytest.raises(ConnectionFailure):
|
|
get_connection()
|
|
conn = get_connection("testdb")
|
|
assert isinstance(conn, pymongo.mongo_client.MongoClient)
|
|
|
|
db = get_db("testdb")
|
|
assert isinstance(db, pymongo.database.Database)
|
|
assert db.name == "mongoenginetest2"
|
|
|
|
def test_register_connection_defaults(self):
|
|
"""Ensure that defaults are used when the host and port are None.
|
|
"""
|
|
register_connection("testdb", "mongoenginetest", host=None, port=None)
|
|
|
|
conn = get_connection("testdb")
|
|
assert isinstance(conn, pymongo.mongo_client.MongoClient)
|
|
|
|
def test_connection_kwargs(self):
|
|
"""Ensure that connection kwargs get passed to pymongo."""
|
|
connect("mongoenginetest", alias="t1", tz_aware=True)
|
|
conn = get_connection("t1")
|
|
|
|
assert get_tz_awareness(conn)
|
|
|
|
connect("mongoenginetest2", alias="t2")
|
|
conn = get_connection("t2")
|
|
assert not get_tz_awareness(conn)
|
|
|
|
def test_connection_pool_via_kwarg(self):
|
|
"""Ensure we can specify a max connection pool size using
|
|
a connection kwarg.
|
|
"""
|
|
pool_size_kwargs = {"maxpoolsize": 100}
|
|
|
|
conn = connect(
|
|
"mongoenginetest", alias="max_pool_size_via_kwarg", **pool_size_kwargs
|
|
)
|
|
assert conn.max_pool_size == 100
|
|
|
|
def test_connection_pool_via_uri(self):
|
|
"""Ensure we can specify a max connection pool size using
|
|
an option in a connection URI.
|
|
"""
|
|
conn = connect(
|
|
host="mongodb://localhost/test?maxpoolsize=100",
|
|
alias="max_pool_size_via_uri",
|
|
)
|
|
assert conn.max_pool_size == 100
|
|
|
|
def test_write_concern(self):
|
|
"""Ensure write concern can be specified in connect() via
|
|
a kwarg or as part of the connection URI.
|
|
"""
|
|
conn1 = connect(
|
|
alias="conn1", host="mongodb://localhost/testing?w=1&journal=true"
|
|
)
|
|
conn2 = connect("testing", alias="conn2", w=1, journal=True)
|
|
self.assertEqual(conn1.write_concern.document, {"w": 1, "j": True})
|
|
self.assertEqual(conn2.write_concern.document, {"w": 1, "j": True})
|
|
|
|
def test_connect_with_replicaset_via_uri(self):
|
|
"""Ensure connect() works when specifying a replicaSet via the
|
|
MongoDB URI.
|
|
"""
|
|
c = connect(host="mongodb://localhost/test?replicaSet=local-rs")
|
|
db = get_db()
|
|
assert isinstance(db, pymongo.database.Database)
|
|
assert db.name == "test"
|
|
|
|
def test_connect_with_replicaset_via_kwargs(self):
|
|
"""Ensure connect() works when specifying a replicaSet via the
|
|
connection kwargs
|
|
"""
|
|
c = connect(replicaset="local-rs")
|
|
assert c._MongoClient__options.replica_set_name == "local-rs"
|
|
db = get_db()
|
|
assert isinstance(db, pymongo.database.Database)
|
|
assert db.name == "test"
|
|
|
|
def test_connect_tz_aware(self):
|
|
connect("mongoenginetest", tz_aware=True)
|
|
d = datetime.datetime(2010, 5, 5, tzinfo=utc)
|
|
|
|
class DateDoc(Document):
|
|
the_date = DateTimeField(required=True)
|
|
|
|
DateDoc.drop_collection()
|
|
DateDoc(the_date=d).save()
|
|
|
|
date_doc = DateDoc.objects.first()
|
|
assert d == date_doc.the_date
|
|
|
|
def test_read_preference_from_parse(self):
|
|
conn = connect(
|
|
host="mongodb://a1.vpc,a2.vpc,a3.vpc/prod?readPreference=secondaryPreferred"
|
|
)
|
|
assert conn.read_preference == ReadPreference.SECONDARY_PREFERRED
|
|
|
|
def test_multiple_connection_settings(self):
|
|
connect("mongoenginetest", alias="t1", host="localhost")
|
|
|
|
connect("mongoenginetest2", alias="t2", host="127.0.0.1")
|
|
|
|
mongo_connections = mongoengine.connection._connections
|
|
assert len(mongo_connections.items()) == 2
|
|
assert "t1" in mongo_connections.keys()
|
|
assert "t2" in mongo_connections.keys()
|
|
|
|
# Handle PyMongo 3+ Async Connection
|
|
# Ensure we are connected, throws ServerSelectionTimeoutError otherwise.
|
|
# Purposely not catching exception to fail test if thrown.
|
|
mongo_connections["t1"].server_info()
|
|
mongo_connections["t2"].server_info()
|
|
assert mongo_connections["t1"].address[0] == "localhost"
|
|
assert mongo_connections["t2"].address[0] == "127.0.0.1"
|
|
|
|
def test_connect_2_databases_uses_same_client_if_only_dbname_differs(self):
|
|
c1 = connect(alias="testdb1", db="testdb1")
|
|
c2 = connect(alias="testdb2", db="testdb2")
|
|
assert c1 is c2
|
|
|
|
def test_connect_2_databases_uses_different_client_if_different_parameters(self):
|
|
c1 = connect(alias="testdb1", db="testdb1", username="u1")
|
|
c2 = connect(alias="testdb2", db="testdb2", username="u2")
|
|
assert c1 is not c2
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|