active_model_serializers/test/serializers/cached_serializer_test.rb

require 'test_helper'
module ActiveModel
  class Serializer
    module Adapter
      class CachedSerializerTest < ActiveSupport::TestCase
        def test_cached_false_without_cache_store
          cached_serializer = build do |serializer|
            serializer._cache = nil
          end
          refute cached_serializer.cached?
        end

        def test_cached_true_with_cache_store_and_without_cache_only_and_cache_except
          cached_serializer = build do |serializer|
            serializer._cache = Object
          end
          assert cached_serializer.cached?
        end

        def test_cached_false_with_cache_store_and_with_cache_only
          cached_serializer = build do |serializer|
            serializer._cache = Object
            serializer._cache_only = [:name]
          end
          refute cached_serializer.cached?
        end

        def test_cached_false_with_cache_store_and_with_cache_except
          cached_serializer = build do |serializer|
            serializer._cache = Object
            serializer._cache_except = [:content]
          end
          refute cached_serializer.cached?
        end

        def test_fragment_cached_false_without_cache_store
          cached_serializer = build do |serializer|
            serializer._cache = nil
            serializer._cache_only = [:name]
          end
          refute cached_serializer.fragment_cached?
        end

        def test_fragment_cached_true_with_cache_store_and_cache_only
          cached_serializer = build do |serializer|
            serializer._cache = Object
            serializer._cache_only = [:name]
          end
          assert cached_serializer.fragment_cached?
        end

        def test_fragment_cached_true_with_cache_store_and_cache_except
          cached_serializer = build do |serializer|
            serializer._cache = Object
            serializer._cache_except = [:content]
          end
          assert cached_serializer.fragment_cached?
        end

        def test_fragment_cached_false_with_cache_store_and_cache_except_and_cache_only
          cached_serializer = build do |serializer|
            serializer._cache = Object
            serializer._cache_except = [:content]
            serializer._cache_only = [:name]
          end
          refute cached_serializer.fragment_cached?
        end

        private

        def build
          serializer = Class.new(ActiveModel::Serializer)
          serializer._cache_key = nil
          serializer._cache_options = nil
          yield serializer if block_given?
          serializer_instance = serializer.new(Object)
          ActiveModel::Serializer::Adapter::CachedSerializer.new(serializer_instance)
        end
      end
    end
  end
end