[rspec-users] Testing my rails authentication controller

David Chelimsky dchelimsky at gmail.com
Fri Jun 5 23:38:56 EDT 2009

On Fri, Jun 5, 2009 at 3:10 PM, Wayne Andersen <waynea at clima-tech.com> wrote:
> I have a simple controller:
> class AccessController < ApplicationController
>   def login
>     if request.post?
>       employee = Employee.authenticate(params[:name], params[:password])
>       if employee
>         session[:employee_id] = employee.id
>         redirect_to(:controller => "timesheets", :action => "index")
>       else
>         flash.now[:notice] = "Invalid username/password combination"
>       end
>     end
>   end
> end
> I have tried a number of ways to create a spec to test the login function,
> but am not having any luck.
> My current code looks something like this, but I don’t really understand
> what is going on here.
>    controller.should_receive(:login).with(no_args())

This line overrides the login action with a message expectation, so
the login action in the controller is never executed. What you want is
to stub the decision points and then set expectations about what
happens. For example:

it "assigns the employee id to the session if the employee is found" do
  Employee.stub(:authenticate).and_return(mock_model(Employee, :id => 37))
  post :login, params
  session[:employee_id].should == 37

Let me know if that is not self-explanatory and I'll explain.


>    post :login, params
>    session[:employee_id].should_not be_nil
> I am setting a simple expectation in the first line and then doing a post
> with params. I then check to see if the variable is in the session.
> What is the best way to make something like this work..
> Wayne L. Andersen

Hi Wayne,

In the firs tlin

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