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require 'isolation/abstract_unit'
require 'rack/test'
require 'minitest/mock'
require 'action_view'
require 'active_support/testing/method_call_assertions'
class PerRequestDigestCacheTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
include ActiveSupport::Testing::MethodCallAssertions
include Rack::Test::Methods
setup do
build_app
add_to_config 'config.consider_all_requests_local = true'
app_file 'app/models/customer.rb', <<-RUBY
class Customer < Struct.new(:name, :id)
extend ActiveModel::Naming
include ActiveModel::Conversion
end
RUBY
app_file 'config/routes.rb', <<-RUBY
Rails.application.routes.draw do
resources :customers, only: :index
end
RUBY
app_file 'app/controllers/customers_controller.rb', <<-RUBY
class CustomersController < ApplicationController
def index
render [ Customer.new('david', 1), Customer.new('dingus', 2) ]
end
end
RUBY
app_file 'app/views/customers/_customer.html.erb', <<-RUBY
<% cache customer do %>
<%= customer.name %>
<% end %>
RUBY
require "#{app_path}/config/environment"
end
teardown :teardown_app
test "digests are reused when rendering the same template twice" do
get '/customers'
assert_equal 200, last_response.status
assert_equal [ '8ba099b7749542fe765ff34a6824d548' ], ActionView::Digestor.cache.values
assert_equal %w(david dingus), last_response.body.split.map(&:strip)
end
test "template digests are cleared before a request" do
assert_called(ActionView::Digestor.cache, :clear) do
get '/customers'
assert_equal 200, last_response.status
end
end
end
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