mongoengine/tests/test_connection_mongomock.py
2021-03-29 22:02:57 +02:00

168 lines
5.2 KiB
Python

import unittest
import pytest
import mongoengine.connection
from mongoengine import Document, StringField, connect, disconnect_all
from mongoengine.connection import get_connection
try:
import mongomock
MONGOMOCK_INSTALLED = True
except ImportError:
MONGOMOCK_INSTALLED = False
require_mongomock = pytest.mark.skipif(
not MONGOMOCK_INSTALLED, reason="you need mongomock installed to run this testcase"
)
class MongoMockConnectionTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
disconnect_all()
@classmethod
def tearDownClass(cls):
disconnect_all()
def tearDown(self):
mongoengine.connection._connection_settings = {}
mongoengine.connection._connections = {}
mongoengine.connection._dbs = {}
@require_mongomock
def test_connect_in_mocking(self):
"""Ensure that the connect() method works properly in mocking."""
connect("mongoenginetest", host="mongomock://localhost")
conn = get_connection()
assert isinstance(conn, mongomock.MongoClient)
connect("mongoenginetest2", host="mongomock://localhost", alias="testdb2")
conn = get_connection("testdb2")
assert isinstance(conn, mongomock.MongoClient)
connect(
"mongoenginetest3",
host="mongodb://localhost",
is_mock=True,
alias="testdb3",
)
conn = get_connection("testdb3")
assert isinstance(conn, mongomock.MongoClient)
connect("mongoenginetest4", is_mock=True, alias="testdb4")
conn = get_connection("testdb4")
assert isinstance(conn, mongomock.MongoClient)
connect(
host="mongodb://localhost:27017/mongoenginetest5",
is_mock=True,
alias="testdb5",
)
conn = get_connection("testdb5")
assert isinstance(conn, mongomock.MongoClient)
connect(host="mongomock://localhost:27017/mongoenginetest6", alias="testdb6")
conn = get_connection("testdb6")
assert isinstance(conn, mongomock.MongoClient)
connect(
host="mongomock://localhost:27017/mongoenginetest7",
is_mock=True,
alias="testdb7",
)
conn = get_connection("testdb7")
assert isinstance(conn, mongomock.MongoClient)
@require_mongomock
def test_default_database_with_mocking(self):
"""Ensure that the default database is correctly set when using mongomock."""
disconnect_all()
class SomeDocument(Document):
pass
conn = connect(host="mongomock://localhost:27017/mongoenginetest")
some_document = SomeDocument()
# database won't exist until we save a document
some_document.save()
assert SomeDocument.objects.count() == 1
assert conn.get_default_database().name == "mongoenginetest"
assert conn.list_database_names()[0] == "mongoenginetest"
@require_mongomock
def test_basic_queries_against_mongomock(self):
disconnect_all()
connect(host="mongomock://localhost:27017/mongoenginetest")
class Person(Document):
name = StringField()
Person.drop_collection()
assert Person.objects.count() == 0
bob = Person(name="Bob").save()
john = Person(name="John").save()
assert Person.objects.count() == 2
qs = Person.objects(name="Bob")
assert qs.count() == 1
assert qs.first() == bob
assert list(qs.as_pymongo()) == [{"_id": bob.id, "name": "Bob"}]
pipeline = [{"$project": {"name": {"$toUpper": "$name"}}}]
data = Person.objects.order_by("name").aggregate(pipeline)
assert list(data) == [
{"_id": bob.id, "name": "BOB"},
{"_id": john.id, "name": "JOHN"},
]
Person.drop_collection()
assert Person.objects.count() == 0
@require_mongomock
def test_connect_with_host_list(self):
"""Ensure that the connect() method works when host is a list
Uses mongomock to test w/o needing multiple mongod/mongos processes
"""
connect(host=["mongomock://localhost"])
conn = get_connection()
assert isinstance(conn, mongomock.MongoClient)
connect(host=["mongodb://localhost"], is_mock=True, alias="testdb2")
conn = get_connection("testdb2")
assert isinstance(conn, mongomock.MongoClient)
connect(host=["localhost"], is_mock=True, alias="testdb3")
conn = get_connection("testdb3")
assert isinstance(conn, mongomock.MongoClient)
connect(
host=["mongomock://localhost:27017", "mongomock://localhost:27018"],
alias="testdb4",
)
conn = get_connection("testdb4")
assert isinstance(conn, mongomock.MongoClient)
connect(
host=["mongodb://localhost:27017", "mongodb://localhost:27018"],
is_mock=True,
alias="testdb5",
)
conn = get_connection("testdb5")
assert isinstance(conn, mongomock.MongoClient)
connect(
host=["localhost:27017", "localhost:27018"], is_mock=True, alias="testdb6"
)
conn = get_connection("testdb6")
assert isinstance(conn, mongomock.MongoClient)
if __name__ == "__main__":
unittest.main()