```ruby
require 'spec_helper'

describe "crumbs routing" do
  include ActionView::TestCase::Behavior

  context 'setting home breadcrumb' do
    it 'should inherit crumb for the root path' do
      visit root_path
      page.should_not have_content("breadcrumbs")
    end
  end

  context 'inheriting breadcrumbs setup' do
    it "should inherit root crumb for index action posts#index" do
      visit posts_path
      within '#breadcrumbs' do
        page.should have_content 'Home'
        page.should have_content 'All Posts'
        page.should_not have_content 'New Post'
      end
    end

    it 'should inherit and add new action specific breadcrumb' do
      visit new_post_path
      within '#breadcrumbs' do
        page.should have_content 'All Posts'
        page.should have_content 'New Post'
      end
    end
  end

  context 'adding breadcrumbs within view' do
    it 'should append view specified breadcrumb' do
      visit posts_path
      within '#breadcrumbs' do
        page.should have_content 'All Posts'
        page.should have_content 'View Post'
      end
    end
  end

  context 'forcing breadcrumb' do
    it 'should be current when forced' do
      visit new_post_path
      click_button "Create"

      page.current_path.should == posts_path
      within '#breadcrumbs' do
        page.should have_content 'New Post'
        page.should have_selector('.selected')
      end
    end
  end
end
```

Change specs to reflect dummy app changes.
user
```ruby
# encoding: utf-8

require 'spec_helper'

RSpec.describe "crumbs routing" do
  include ActionView::TestCase::Behavior

  it "doens't show empty breadcrumbs" do
    visit root_path
    expect(page).to_not have_content("breadcrumbs")
  end

  it "inherits controller breadcrumb and adds index action breadcrumb" do
    visit posts_path
    within '#breadcrumbs' do
      expect(page.html).to include('<a href="/">Home</a>')
      expect(page.html).to include('<a href="/posts">All Posts</a>')
    end
  end

  it 'filters out controller breadcrumb and adds new action breadcrumb' do
    visit new_post_path
    within '#breadcrumbs' do
      expect(page).to_not have_content('Home')
      expect(page).to have_content('New Post')
    end
  end

  it "adds breadcrumb in view with path variable" do
    visit post_path(1)
    within '#breadcrumbs' do
      expect(page.html).to include('<a href="/posts/1">Show Post in view</a>')
    end
  end

  it 'should be current when forced' do
    visit new_post_path
    click_button "Create"

    expect(page.current_path).to eq(posts_path)
    within '#breadcrumbs' do
      expect(page).to have_content('New Post')
      expect(page).to have_selector('.selected')
    end
  end
end
```
assistant