本文整理汇总了Python中pymongo.database.Database.connection方法的典型用法代码示例。如果您正苦于以下问题：Python Database.connection方法的具体用法？Python Database.connection怎么用？Python Database.connection使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pymongo.database.Database的用法示例。
在下文中一共展示了Database.connection方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestCursor
# 需要导入模块: from pymongo.database import Database [as 别名]
# 或者: from pymongo.database.Database import connection [as 别名]
class TestCursor(unittest.TestCase):
def setUp(self):
self.db = Database(get_connection(), "pymongo_test")
def test_explain(self):
a = self.db.test.find()
b = a.explain()
for _ in a:
break
c = a.explain()
del b["millis"]
b.pop("oldPlan", None)
del c["millis"]
c.pop("oldPlan", None)
self.assertEqual(b, c)
self.assert_("cursor" in b)
def test_hint(self):
db = self.db
self.assertRaises(TypeError, db.test.find().hint, 5.5)
db.test.remove({})
db.test.drop_indexes()
for i in range(100):
db.test.insert({"num": i, "foo": i})
self.assertRaises(OperationFailure, db.test.find({"num": 17, "foo": 17}).hint([("num", ASCENDING)]).explain)
self.assertRaises(OperationFailure, db.test.find({"num": 17, "foo": 17}).hint([("foo", ASCENDING)]).explain)
index = db.test.create_index("num")
spec = [("num", ASCENDING)]
self.assertEqual(db.test.find({}).explain()["cursor"], "BasicCursor")
self.assertEqual(db.test.find({}).hint(spec).explain()["cursor"], "BtreeCursor %s" % index)
self.assertEqual(db.test.find({}).hint(spec).hint(None).explain()["cursor"], "BasicCursor")
self.assertRaises(OperationFailure, db.test.find({"num": 17, "foo": 17}).hint([("foo", ASCENDING)]).explain)
a = db.test.find({"num": 17})
a.hint(spec)
for _ in a:
break
self.assertRaises(InvalidOperation, a.hint, spec)
self.assertRaises(TypeError, db.test.find().hint, index)
# This is deprecated - test that a warning is actually raised
def test_slave_okay(self):
db = self.db
db.drop_collection("test")
db.test.save({"x": 1})
warnings.simplefilter("error")
self.assertEqual(1, db.test.find().next()["x"])
self.assertRaises(DeprecationWarning, db.test.find, slave_okay=True)
self.assertRaises(DeprecationWarning, db.test.find, slave_okay=False)
warnings.simplefilter("default")
def test_limit(self):
db = self.db
self.assertRaises(TypeError, db.test.find().limit, None)
self.assertRaises(TypeError, db.test.find().limit, "hello")
self.assertRaises(TypeError, db.test.find().limit, 5.5)
db.test.remove({})
for i in range(100):
db.test.save({"x": i})
count = 0
for _ in db.test.find():
count += 1
self.assertEqual(count, 100)
count = 0
for _ in db.test.find().limit(20):
count += 1
self.assertEqual(count, 20)
count = 0
for _ in db.test.find().limit(99):
count += 1
self.assertEqual(count, 99)
count = 0
for _ in db.test.find().limit(1):
count += 1
self.assertEqual(count, 1)
count = 0
for _ in db.test.find().limit(0):
count += 1
self.assertEqual(count, 100)
count = 0
for _ in db.test.find().limit(0).limit(50).limit(10):
count += 1
self.assertEqual(count, 10)
#.........这里部分代码省略.........