jsonapi-serializer/spec/lib/object_serializer_caching_spec.rb
2020-04-29 15:30:44 +01:00

108 lines
3.9 KiB
Ruby

require 'spec_helper'
RSpec.describe FastJsonapi::ObjectSerializer do
include_context 'movie class'
context 'when caching has_many' do
it 'returns correct hash when serializable_hash is called' do
options = {}
options[:meta] = { total: 2 }
options[:links] = { self: 'self' }
options[:include] = [:actors]
movies = build_movies(2)
serializable_hash = CachingMovieSerializer.new(movies, options).serializable_hash
expect(serializable_hash[:data].length).to eq 2
expect(serializable_hash[:data][0][:relationships].length).to eq 3
expect(serializable_hash[:data][0][:attributes].length).to eq 2
expect(serializable_hash[:meta]).to be_instance_of(Hash)
expect(serializable_hash[:links]).to be_instance_of(Hash)
expect(serializable_hash[:included]).to be_instance_of(Array)
expect(serializable_hash[:included][0]).to be_instance_of(Hash)
expect(serializable_hash[:included].length).to eq 3
serializable_hash = CachingMovieSerializer.new(movie).serializable_hash
expect(serializable_hash[:data]).to be_instance_of(Hash)
expect(serializable_hash[:meta]).to be nil
expect(serializable_hash[:links]).to be nil
expect(serializable_hash[:included]).to be nil
end
it 'uses cached values for the record' do
previous_name = movie.name
previous_actors = movie.actors
CachingMovieSerializer.new(movie).serializable_hash
movie.name = 'should not match'
allow(movie).to receive(:actor_ids).and_return([99])
expect(previous_name).not_to eq(movie.name)
expect(previous_actors).not_to eq(movie.actors)
serializable_hash = CachingMovieSerializer.new(movie).serializable_hash
expect(serializable_hash[:data][:attributes][:name]).to eq(previous_name)
expect(serializable_hash[:data][:relationships][:actors][:data].length).to eq movie.actors.length
end
it 'uses cached values for has many as specified' do
previous_name = movie.name
previous_actors = movie.actors
CachingMovieWithHasManySerializer.new(movie).serializable_hash
movie.name = 'should not match'
allow(movie).to receive(:actor_ids).and_return([99])
expect(previous_name).not_to eq(movie.name)
expect(previous_actors).not_to eq(movie.actors)
serializable_hash = CachingMovieWithHasManySerializer.new(movie).serializable_hash
expect(serializable_hash[:data][:attributes][:name]).to eq(previous_name)
expect(serializable_hash[:data][:relationships][:actors][:data].length).to eq previous_actors.length
end
end
# FIXME: remove this if block once deprecated cache_options are not supported anymore
context 'when using deprecated cache options' do
let(:deprecated_caching_movie_serializer_class) do
rails = OpenStruct.new
rails.cache = ActiveSupport::Cache::MemoryStore.new
stub_const('Rails', rails)
Class.new do
def self.name
'DeprecatedCachingMovieSerializer'
end
include FastJsonapi::ObjectSerializer
set_type :movie
attributes :name, :release_year
has_many :actors
belongs_to :owner, record_type: :user
belongs_to :movie_type
cache_options enabled: true
end
end
it 'uses cached values for the record' do
previous_name = movie.name
previous_actors = movie.actors
deprecated_caching_movie_serializer_class.new(movie).serializable_hash
movie.name = 'should not match'
allow(movie).to receive(:actor_ids).and_return([99])
expect(previous_name).not_to eq(movie.name)
expect(previous_actors).not_to eq(movie.actors)
serializable_hash = deprecated_caching_movie_serializer_class.new(movie).serializable_hash
expect(serializable_hash[:data][:attributes][:name]).to eq(previous_name)
expect(serializable_hash[:data][:relationships][:actors][:data].length).to eq movie.actors.length
end
end
end