error.txt

# The error message

undefined method `comments_path' for #<#<Class:0x007f01f0513be8>:0x00000003b43928>

Did you mean?  font_path
Extracted source (around line #1):
1
2
3
4
5
              
<%= simple_form_for([@topic, @comment]) do |f| %>
  <%= f.input :text %>
  
  <%= f.button :submit, class: "new btn-primary" %>
<% end %>

routes.rb

# The routes, in case there is something wrong here.

Rails.application.routes.draw do
  root 'forums#index'
  
  namespace :admin do
    resources :users
    root 'application#index'
    get '/admin/forums' => "forums#index"
    
    resources :forums
  end

  devise_for :users
  
  resources :forums, only: [:show, :index] do
    resources :topics do
      resources :comments, only: [:create, :new, :destroy, :edit]
    end
  end
end

test.rb

# The test that is failing

require 'rails_helper'

RSpec.describe "Users can leave comments" do
  let(:user) { FactoryGirl.create(:user) }
  let(:topic) { FactoryGirl.create(:topic, author: user, forum: forum) }
  let(:forum) { FactoryGirl.create(:forum) }
  
  before do
    login_as(user)
    visit forum_topic_path(forum, topic)
  end
  
  scenario 'with valid attributes' do
    click_link "Add Comment"
    fill_in "Text", with: "This is some random text for a comment"
    click_button "Create Comment"
    
    expect(page).to have_content "Comment has been created."
  end
end