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Project: RSpec Rails 2.6

Publisher: RSpec

anonymous controller

Use the controller method to define an anonymous controller derived from
ApplicationController, or any other base controller. This is useful for
specifying behavior like global error handling.

Scenarios
  1. specify error handling in ApplicationController
  2. specify error handling in subclass of ApplicationController
  3. regression with ApplicationController around_filters
specify error handling in ApplicationController
Given
a file named "spec/controllers/application_controller_spec.rb" with: 
require "spec_helper"

class ApplicationController < ActionController::Base
  class AccessDenied < StandardError; end

  rescue_from AccessDenied, :with => :access_denied

private

  def access_denied
    redirect_to "/401.html"
  end
end

describe ApplicationController do
  controller do
    def index
      raise ApplicationController::AccessDenied
    end
  end

  describe "handling AccessDenied exceptions" do
    it "redirects to the /401.html page" do
      get :index
      response.should redirect_to("/401.html")
    end
  end
end
When
I run rspec spec
Then
the examples should all pass
specify error handling in subclass of ApplicationController
Given
a file named "spec/controllers/application_controller_subclass_spec.rb" with: 
require "spec_helper"

class ApplicationController < ActionController::Base
  class AccessDenied < StandardError; end
end

class ApplicationControllerSubclass < ApplicationController

  rescue_from ApplicationController::AccessDenied, :with => :access_denied

  private

  def access_denied
    redirect_to "/401.html"
  end
end

describe ApplicationControllerSubclass do
  controller(ApplicationControllerSubclass) do
    def index
      raise ApplicationController::AccessDenied
    end
  end

  describe "handling AccessDenied exceptions" do
    it "redirects to the /401.html page" do
      get :index
      response.should redirect_to("/401.html")
    end
  end
end
When
I run rspec spec
Then
the examples should all pass
regression with ApplicationController around_filters
Given
a file named "spec/controllers/application_controller_around_filter_spec.rb" with: 
require "spec_helper"

class ApplicationController < ActionController::Base
  around_filter :some_around_filter

  def some_around_filter
    @callback_invoked = true
    yield
  end
end

describe ApplicationController do
  controller do
    def index
      render :nothing => true
    end
  end

  it "invokes the callback" do
    get :index

    assigns[:callback_invoked].should be_true
  end
end
When
I run rspec spec
Then
the examples should all pass

Last published almost 5 years ago by dchelimsky.