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-rw-r--r--railties/test/application/per_request_digest_cache_test.rb63
1 files changed, 63 insertions, 0 deletions
diff --git a/railties/test/application/per_request_digest_cache_test.rb b/railties/test/application/per_request_digest_cache_test.rb
new file mode 100644
index 0000000000..3198e12662
--- /dev/null
+++ b/railties/test/application/per_request_digest_cache_test.rb
@@ -0,0 +1,63 @@
+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