问题描述
我想测试一个资源。这个响应取决于会话中的一个参数(记录)为了测试这个资源,我写了这些测试:
pre $
import app
import unittest
$ b $ class Test(unittest.TestCase):
def setUp(self):
self.app = app.app.test_client ()
def test_without_session(self):
resp = self.app.get('/')
self.assertEqual('without session',resp.data)
def test_with_session(self):
with self.app as c:
with c.session_transaction()as sess:
sess ['logged'] = True
resp = c.get('/')
self.assertEqual('with session',resp.data)
if __name__ =='__main__':
unittest.main()
我的app.py是这样的:
从烧瓶导入烧瓶,会话
app =烧瓶(__ name__)
@ app.route('/')
def home() :
如果在会话中记录了:
返回'with session'
返回'without session'
if __name__ =='__main__':
app.run(debug = True)
当我运行测试时, :
错误:test_pippo_with_session(__main __。Test)
------------- -------------------------------------------------- -------
Traceback(最近一次调用最后一次):
在test_pippo_with_session
文件test_pippo.py,第17行,用c.session_transaction()作为sess:
文件/usr/lib/python2.7/contextlib.py,第17行,在__enter__
返回self.gen.next()
文件/ home / tommaso / repos / prova- flask / local / lib / python2.7 / site-packages / flask / testing.py,第74行,在session_transaction中
raise RuntimeError('Session backend does not open a session。 '
RuntimeError:会话后端没有打开会话。检查配置
我还没有在Google上找到任何解决方案。
如果你没有设置自定义
app.session_interface
,那么你忘记设置一个: def setUp(self):
app.config ['SECRET_KEY'] ='sekrit!'
self.app = app.app.test_client()
$ b 这只是为测试设置了一个模拟密钥,但是对于你的应用程序来说,你需要生成生产密钥,请参阅快速入门文档中的,以获取有关如何生成好密钥。
没有密钥,默认的无法创建会话。
I'd like to test a resource. The response of that depends on a parameter in session (logged)
To test this resource, I've wrote those tests:
import app
import unittest
class Test(unittest.TestCase):
def setUp(self):
self.app = app.app.test_client()
def test_without_session(self):
resp = self.app.get('/')
self.assertEqual('without session', resp.data)
def test_with_session(self):
with self.app as c:
with c.session_transaction() as sess:
sess['logged'] = True
resp = c.get('/')
self.assertEqual('with session', resp.data)
if __name__ == '__main__':
unittest.main()
My app.py is this:
from flask import Flask, session
app = Flask(__name__)
@app.route('/')
def home():
if 'logged' in session:
return 'with session'
return 'without session'
if __name__ == '__main__':
app.run(debug=True)
When i run the tests I have this error:
ERROR: test_pippo_with_session (__main__.Test)
----------------------------------------------------------------------
Traceback (most recent call last):
File "test_pippo.py", line 17, in test_pippo_with_session
with c.session_transaction() as sess:
File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/home/tommaso/repos/prova-flask/local/lib/python2.7/site-packages/flask/testing.py", line 74, in session_transaction
raise RuntimeError('Session backend did not open a session. '
RuntimeError: Session backend did not open a session. Check the configuration
I haven't found any solution on google.
解决方案 If you did not set a custom app.session_interface
, then you forgot to set a secret key:
def setUp(self):
app.config['SECRET_KEY'] = 'sekrit!'
self.app = app.app.test_client()
This just sets a mock secret key for the tests, but for your application to work you'll need to generate a production secret key, see the sessions section in the Quickstart documentation for tips on how to produce a good secret key.
Without a secret key, the default session implementation fails to create a session.
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