ValueError：查看函数没有返回响应[重复]

Question

我尝试测试我的烧瓶应用程序的编辑路径但是得到这个错误我认为这个错误通常是因为返回即使我的编辑路径中有一个返回我如何修复这个错误谢谢？ 错误：

  File "/home/peg/flask-Alembic/test/test_app.py", line 59, in test_monkey_edit
    response = self.client.get('/edit/1', follow_redirects=True)
  File "/usr/local/lib/python2.7/dist-packages/werkzeug/test.py", line 762, in get
    return self.open(*args, **kw)
    response = self.run_wsgi_app(environ, buffered=buffered)
  File "/usr/local/lib/python2.7/dist-packages/werkzeug/test.py", line 855, in run_wsgi_app
    app_iter = app(environ, start_response)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1478, in full_dispatch_request
    response = self.make_response(rv)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1566, in make_response
    raise ValueError('View function did not return a response')
ValueError: View function did not return a response

view.py：

@layout.route('/edit/<int:id>', methods=['GET','POST'])
def edit(id=None):
      user = Users.query.get_or_404(id)
      form = LoginForm(obj=user)
      if request.method=='POST':
          if form.validate_on_submit()== True:
             form.populate_obj(user)
             db.session.commit()
             flash("You have been updated the profile")
             return redirect(url_for('layout.user',page=1,sortby='normal'))

          else: #If the form does not have all fields that are required 
                return render_template('edit.html', form=form, id=id )

test.py：

def test_edit(self):
        u = Users(name='user1', email='user1@gmail.com', age=25)
        db.session.add(u)
        db.session.commit()
        data = dict(name='admin', email='adminu@gmail.com', age=28)
        db.session.commit()
        response = self.client.get('/edit/1', follow_redirects=True)
        self.assertTrue('You have been edit the profile', response.data)

Answer 1

您测试了get 请求，但在您看来，您只响应post：

 if request.method=='POST':
          if form.validate_on_submit()== True:
             ... # form valid logic
             return redirect(url_for('layout.user',page=1,sortby='normal'))

          else: # invalid post form logic
                return render_template('edit.html', form=form, id=id )

 return render_template('home.html) # get logic

如果你想测试post请求你应该使用post函数：self.client.post(url, data)

例子

def view_code():
   if request.method=='POST':
      if form.validate_on_submit()== True:
            user.name = form.user_name
            user.age = form.age
            user.email = form.email
            db.commit()
            ... # other form valid logic

def test_edit(self):
    response = self.client.post('/edit/1', data={'user_name': 'admin', age='28', email='adminu@gmail.net')
    self.assertTrue('You have been edit the profile', response.data)