Geek asks and answers

How to mute the function in the assistant during the test

Take a look at this helper function:

def show_welcome_banner?
  (controller_name == 'competition' && action_name == 'index') ||
  (controller_name == 'submissions' && action_name == 'show')
end

He expects the controller_name and action_name functions to be defined.

I tried using this in my RSpec mapping:

describe PageHelper do
  it "should know when the welcome banner is to be shown" do
    helper.stub!(:controller_name).and_return('index')
    show_welcome_banner?.should == false
  end
end

But that will not work.

How could I drown the INSIDE functions for an assistant? Perhaps using instance_eval? Thank!

EDIT , tried to use

controller.stub!(:controller_name).and_return('index')

but got

  1) PageHelper should know when the welcome banner is to be shown
     Failure/Error: show_welcome_banner?.should == false
     NameError:
       undefined local variable or method `controller_name' for #<RSpec::Core::ExampleGroup::Nested_1:0x1059a10b8>
     # ./app/helpers/page_helper.rb:16:in `show_welcome_banner?'
     # ./spec/helpers/page_helper_spec.rb:7

The helper is placed in spec / helper / page_helper_spec.rb ..

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3 answers

You tried

stub!(:controller_name).and_return('index')

It seems to have worked for me :)

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Have you tried something like this in your rspec?

controller.stub!(:controller_name).and_return('index')

- , ApplicationController. , ActionController::Base.

0

rspec-rails 3.5

allow(helper).to receive(:controller_name) { 'submissions' }
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