require 'spec_helper'
class FootnotesController < ActionController::Base
def foo
render inline: HTML_DOCUMENT, content_type: 'text/html'
end
def foo_holder
render inline: ''
end
def foo_js
render inline: '', content_type: 'text/javascript'
end
def foo_download
send_file Rails.root.join('fixtures', 'html_download.html'), :disposition => 'attachment'
end
end
describe FootnotesController, type: :controller do
shared_examples 'has_footnotes' do
it 'includes footnotes' do
get :foo
expect(response.body).to have_selector('#footnotes_debug')
end
end
shared_examples 'has_no_footnotes' do
it 'does not include footnotes' do
expect(response.body).not_to have_selector('#footnotes_debug')
end
end
it 'does not alter the page by default' do
get :foo
expect(response.body).to eq(HTML_DOCUMENT)
end
context 'with footnotes' do
before :all do
Footnotes.enabled = true
end
after :all do
Footnotes.enabled = false
end
describe 'by default' do
include_context 'has_footnotes'
before do
get :foo
end
it 'includes footnotes in the last div in body' do
expect(all('body > :last-child')[0][:id]).to eq('footnotes_debug')
end
it 'includes footnotes in the footnoted_holder div if present' do
get :foo_holder
expect(response.body).to have_selector('#footnotes_holder > #footnotes_debug')
end
it 'does not alter a html file download' do
get :foo_download
expect(response.body).to eq(File.open(Rails.root.join('fixtures', 'html_download.html')).read)
end
end
describe 'when request is xhr' do
include_context 'has_no_footnotes'
before do
get :foo, xhr: true
end
end
describe 'when content type is javascript' do
include_context 'has_no_footnotes'
before do
get :foo_js
end
end
describe 'when footnotes is disabled' do
include_context 'has_no_footnotes'
before do
Footnotes.enabled = false
get :foo
end
end
describe 'with a proc' do
it 'yields the controller' do
c = nil
Footnotes.enabled = lambda { |controller| c = controller}
get :foo
expect(c).to be_kind_of(ActionController::Base)
end
context 'returning true' do
include_context 'has_footnotes'
before do
Footnotes.enabled = lambda { true }
get :foo
end
end
context 'returning false' do
include_context 'has_no_footnotes'
before do
Footnotes.enabled = lambda { false }
get :foo
end
end
end
end
end