我现在正在用Django为我的web应用程序编写测试。我有一个网址127.0.0.1/home/device/(?P<item>[^/]+)
。我在测试一个无效的URL路径。
这里item
是数据库中的设备名。考虑到一个无效设备,在测试时,我给出了以下代码:
response=self.client.get("/health/errorfiles/",{'item':'testdevice_R'})
这给了我404的答复。我也尝试过:
^{pr2}$但是这一次,测试运行程序执行my view函数并给出一个TypeError,因为它不是一个无效的设备。在
在这两种方法中,哪种方法是get请求的正确用法?在
在视图.py在
def showfiles(request,item):
if request.user.is_anonymous(): ## check if the user is valid
return HttpResponseRedirect("/")
db = MySQLdb.connect(host='localhost',user=root,passwd='123mcvis',db='test_db')
s = db.cursor()
username=request.user
s.execute("Select tzone,type from device where user='%s' and device='%s'"%(username,item)
tz=s.fetchone()
timezone.activate(tz[0])
s.close()
return render(request,"Home/showdevices.html")
这是我的视图函数,由于设备无效,它显示typ错误。在
class showfile_test(TestCase):
def test_invalid(self):
response=self.client.get("/health/errorfiles/testdevice_R/")
self.assertEqual(response.status_code,404)
回溯
ERROR: test_invalid (HealthApp.tests2.showfile_test)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/home/vishnumc/vishnu/project/django/official/version6.2.3/HealthApp/tests2.py", line 162, in test_showfiles_with_invalid_deviceid
response=self.client.get("/health/errorfiles/invaliddevice/")
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/test/client.py", line 529, in get
**extra)
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/test/client.py", line 333, in get
return self.generic('GET', path, secure=secure, **r)
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/test/client.py", line 409, in generic
return self.request(**r)
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/test/client.py", line 494, in request
six.reraise(*exc_info)
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 249, in _legacy_get_response
response = self._get_response(request)
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/home/vishnumc/vishnu/project/env/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/vishnumc/vishnu/project/django/official/version6.2.3/HealthApp/views.py", line 118, in showfiles
timezone.activate(tz[0]) ##setting current timezone to user's time zone for display timestamps
TypeError: 'NoneType' object has no attribute '__getitem__'
第一个示例是对
/health/errorfiles/?item=testdevice_R
的GET请求。在视图中,您将在request.GET
中找到item
。在第二个例子是对
/health/errorfiles/testdevice_R/
的GET请求。request.GET
中没有数据,Django将把item
传递给视图,因为您的URL模式中有一个命名组(?P<item>[^/]+)
。在您应该使用第二个版本,因为您想测试URL模式
r'/home/device/(?P<item>[^/]+)'
。在测试的第二个版本在您的视图中发现了问题。您需要修复视图,使其不会引发
TypeError
。在理想情况下,您不应该像那样编写原始SQL。Django允许您执行以下操作:
如果必须使用原始SQL,则不要使用字符串替换
^{pr2}$%(username,item)
。您当前的代码向您公开一个SQL注入帐户。您应该将其更改为:然后,您的代码处理了}的情况,以避免{}。在
tz
是{相关问题 更多 >
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