From: OnRails Ruby <zlai@...>
Date: 2007-09-09T11:48:28+09:00
Subject: how to fix assigns(:user) on controller test

Hi everyon,
Thank you for your help!
I did the controller test, but there is a problem when run the test.

Controller.rb:

def change_password
  user = current_user
  if User.authenticate(user.login, params[:old_password])
    if (params[:password] == params[:password_confirmation])
      user.password_confirmation = params[:password_confirmation]
      user.password = params[:password]
        if user.save
         result = _("Password changed!")
         reset_current_user(user.id)
       else
        ("Could not save change, please try again.")
       end
    else
      result = _("Your passwords do not match.")
     @old_password = params[:old_password]
    end
  else
    result = _("Your old password is incorrect.")
  end
 end

the controller_test.rb:

 def test_should_allow_password_change
   post :change_password, { :old_password => '123', :password =>
'newpassword', :password_confirmation => 'newpassword'},
{:user_id=>users(:user1).id}
    assert_equal 'newpassword', assigns(:user).password
end

when I run this test,  There always said,
NoMetodError: You have a ni object when you didn't expect it:
the error occurred while evaluating nil.password.

I have try to use:
assert_equal 'newpassword', assigns('user').password
assert_equal 'newpassword', assigns[:user].password
assert_equal 'newpassword', assigns['user'].password

but there is same problem.  I don't know why?
Please help1
Thanks!
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