我有一个Web应用程序,它使用会话数据来确定下一步该做什么。 应用程序在浏览器中运行并执行它应该执行的操作。 我想写一个自动化测试,以便为将来的项目提供这些知识。 我在测试中初始化(和移交)会话数据的最后几个小时是痛苦的。我也无法在网上找到这样一个基本案例的答案。
但是,这是应用代码:
import web
from project import code
urls = (
"/page", "/Page",
"/", "Index"
)
app = web.application(urls, globals())
# Little hack so that debug mode works with sessions.
if web.config.get('_session') is None:
store = web.session.DiskStore('sessions')
session = web.session.Session(app, store, initializer={'data':None})
web.config._session = session
else:
session = web.config._session
render = web.template.render('templates/', base="layout")
class Index():
def GET(self):
# This is used to "setup" the session with starting values.
# code.START contains a dict "whatnext"
# that assigns keywords to information what to do next.
# It also contains a attribute "name"
session.data = code.START
web.seeother("/page")
class Page(object):
def GET(self):
if session.data:
return render.page(data=session.data)
else:
# This is here in case someone puts "/page" directly as URL.
# wrong_page just has a link to "/" and everything will be fine
# from there on.
return render.wrong_page()
def POST(self):
form = web.input(action=None)
if form.action in session.data.whatnext:
# The method .go returns what to do next according to the
# keywords.
session.data = session.data.go(form.action)
web.seeother("/page")
if __name__ == "__main__":
app.run()
代码本身不是问题的范围,但如有必要,我可以提供。
但是,page.html看起来像这样
$def with (data)
Something something dependend on the data.
$if data.name == "finished":
<p><a href="/"> Again? </a></p>
$else:
<p>
<form action="/page" method="POST">
<input type="text" name="action"> <input type="SUBMIT">
</form>
</p>
在测试中使用以下内容:
from nose.tools import *
import re
def assert_response(resp, contains=None, status="200"):
assert status in resp.status, "Excpected response %r not in %r" % (status,
resp.status)
if status == "200":
assert resp.data, "Response data is empty."
if contains:
assert contains in resp.data, "Response does not contain %r" % contains
这是实际测试:
from nose.tools import *
from bin.app import app # the code above
from tests.tools import assert_response
def test_redirect():
# Check that we get a 303 on the / URL
resp = app.request("/")
assert_response(resp, status="303")
def test_wrong_page():
# test the first GET request to /game
resp = app.request("/page")
assert_response(resp, contains="Go here instead")
def test_page
# test that we get expected values
what_to_do = {'action' : 'foo'}
resp = app.request("/page", method="POST", data=what_to_do)
assert_response(resp, contains="something specific according to foo")
前两个测试按预期工作。 第三个测试不起作用,我认为是因为/ page需要session.data才能运行。
我得到了ouptut:
Traceback (most recent call last):
File "/.../nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/.../tests/app_tests.py", line 19, in test_page
assert_response(resp, contains="something specific according to foo")
File "/.../tests/tools.py", line 17, in assert_response
resp.status)
AssertionError: Excpected response '200' not in '500 Internal Server Error'
由于我不知道如何在测试中初始化会话/会话数据,我的问题是:我该怎么做,自动测试可以使用给定的会话信息运行。
答案 0 :(得分:1)
您不需要在测试中初始化会话,因为当您进行app.request()调用时,您的应用会自动为您启动会话。这里的问题是你没有在测试中维护会话ID(你的测试就像任何浏览器一样的客户端)。
解决方案是,当您创建第一个app.request()时,在响应头中记录会话ID。然后在进行后续app.request()
时提供会话ID这是我的代码:
首先,我在tests / tools.py中创建一个帮助函数,从响应头中提取会话ID:
def get_session_id(resp):
cookies_str = resp.headers['Set-Cookie']
if cookies_str:
for kv in cookies_str.split(';'):
if 'webpy_session_id=' in kv:
return kv
然后将测试写为:
def test_session():
resp = app.request('/')
session_id = get_session_id(resp)
resp1 = app.request('/game', headers={'Cookie':session_id})
assert_response(resp1, status='200', contains='Central Corridor')