Remove logout link, controller method, route, and specs

app/controllers/authentication_controller.rb

@@ -1,14 +1,9 @@
 ###
-#  Controller for handling login/logout and redirecting with flash messages.
+#  Controller for handling login and redirecting with flash messages.
 ###
 class AuthenticationController < ApplicationController
   def login
     flash[:success] = 'You have been successfully logged in.'
     redirect_to params[:referrer] || :back
   end
-
-  def logout
-    flash[:notice] = 'You have been successfully logged out.'
-    redirect_to params[:referrer] || :back
-  end
 end

app/views/shared/_top_navbar.html.erb

@@ -8,7 +8,6 @@
 
     <div class="header-links" id="login_id" data="<%= user_id %>">
       <% if webauth_user? %>
-        <%= link_to "#{user_id}: Logout", logout_path(referrer: root_path) %>
         <% if can? :manage, AuthorizedUser %>
         <%= link_to "Administer users", authorized_users_index_path %>
         <% end %>

config/routes.rb

@@ -3,7 +3,6 @@
   get 'home/index'
 
   get 'webauth/login' => 'authentication#login', as: :login
-  get 'webauth/logout' => 'authentication#logout', as: :logout
 
   resources :accession_numbers, except: :destroy do
     member do

spec/controllers/authentication_controller_spec.rb

@@ -18,18 +18,4 @@
       expect(flash[:success]).to eq 'You have been successfully logged in.'
     end
   end
-  describe 'logout' do
-    it 'should redirect back to the provided referrer' do
-      get :logout, referrer: '/'
-      expect(response).to redirect_to('/')
-    end
-    it 'should redirect back when there is no provided referrer' do
-      get :logout
-      expect(response).to redirect_to('https://example.com')
-    end
-    it 'should have a flash notice message informing the user they logged out' do
-      get :logout
-      expect(flash[:notice]).to eq 'You have been successfully logged out.'
-    end
-  end
 end

spec/views/shared/_top_navbar.html.erb_spec.rb

@@ -12,18 +12,4 @@
       expect(rendered).to have_css('a', text: 'Login')
     end
   end
-  describe 'logout link' do
-    before do
-      stub_current_user_for_view { FactoryBot.create(:authorized_user) }
-      stub_user_id_for_view { FactoryBot.create(:authorized_user).user_id }
-      stub_webauth_user_for_view { FactoryBot.create(:authorized_user) }
-      render
-    end
-    it 'should have a logout link if there is a user' do
-      expect(rendered).to have_css('a', text: 'testuser: Logout')
-    end
-    it 'should redirect users back to the home page of the app' do
-      expect(rendered).to have_link('testuser: Logout', href: '/webauth/logout?referrer=%2F')
-    end
-  end
 end