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# frozen_string_literal: true
require "isolation/abstract_unit"
require "rack/test"
require "minitest/mock"
require "action_view"
class PerRequestDigestCacheTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
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
def cache_key
[ name, id ].join("/")
end
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
self.perform_caching = true
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
values = ActionView::LookupContext::DetailsKey.digest_caches.first.values
assert_equal [ "effc8928d0b33535c8a21d24ec617161" ], 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::LookupContext::DetailsKey, :clear) do
get "/customers"
assert_equal 200, last_response.status
end
end
end
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