jsonapi-serializer/spec/lib/object_serializer_performance_spec.rb
2018-02-01 14:08:57 -08:00

88 lines
3.7 KiB
Ruby

require 'spec_helper'
describe FastJsonapi::ObjectSerializer, performance: true do
include_context 'movie class'
include_context 'ams movie class'
context 'when testing performance of serialization' do
it 'should create a hash of 1000 records in less than 50 ms' do
movies = 1000.times.map { |_i| movie }
expect { MovieSerializer.new(movies).serializable_hash }.to perform_under(50).ms
end
it 'should serialize 1000 records to jsonapi in less than 60 ms' do
movies = 1000.times.map { |_i| movie }
expect { MovieSerializer.new(movies).serialized_json }.to perform_under(60).ms
end
it 'should create a hash of 1000 records with includes and meta in less than 75 ms' do
count = 1000
movies = count.times.map { |_i| movie }
options = {}
options[:meta] = { total: count }
options[:include] = [:actors]
expect { MovieSerializer.new(movies, options).serializable_hash }.to perform_under(75).ms
end
it 'should serialize 1000 records to jsonapi with includes and meta in less than 75 ms' do
count = 1000
movies = count.times.map { |_i| movie }
options = {}
options[:meta] = { total: count }
options[:include] = [:actors]
expect { MovieSerializer.new(movies, options).serialized_json }.to perform_under(75).ms
end
end
def print_stats(count, ams_time, our_time)
format = '%-15s %-10s %s'
puts ''
puts format(format, 'Serializer', 'Records', 'Time')
puts format(format, 'AMS serializer', count, ams_time.round(2).to_s + ' ms')
puts format(format, 'Fast serializer', count, our_time.round(2).to_s + ' ms')
end
context 'when comparing with AMS 0.10.x' do
[1, 25, 250, 1000].each do |movie_count|
speed_factor = 25
it "should serialize #{movie_count} records atleast #{speed_factor} times faster than AMS" do
ams_movies = build_ams_movies(movie_count)
movies = build_movies(movie_count)
our_json = nil
ams_json = nil
our_serializer = MovieSerializer.new(movies)
ams_serializer = ActiveModelSerializers::SerializableResource.new(ams_movies)
our_time = Benchmark.measure { our_json = our_serializer.serialized_json }.real * 1000
ams_time = Benchmark.measure { ams_json = ams_serializer.to_json }.real * 1000
print_stats(movie_count, ams_time, our_time)
expect(our_json.length).to eq ams_json.length
expect { our_serializer.serialized_json }.to perform_faster_than { ams_serializer.to_json }.at_least(speed_factor).times
end
end
end
context 'when comparing with AMS 0.10.x and with includes and meta' do
[1, 25, 250, 1000].each do |movie_count|
speed_factor = 25
it "should serialize #{movie_count} records atleast #{speed_factor} times faster than AMS" do
ams_movies = build_ams_movies(movie_count)
movies = build_movies(movie_count)
our_json = nil
ams_json = nil
options = {}
options[:meta] = { total: movie_count }
options[:include] = [:actors, :movie_type]
our_serializer = MovieSerializer.new(movies, options)
ams_serializer = ActiveModelSerializers::SerializableResource.new(ams_movies, include: options[:include], meta: options[:meta])
our_time = Benchmark.measure { our_json = our_serializer.serialized_json }.real * 1000
ams_time = Benchmark.measure { ams_json = ams_serializer.to_json }.real * 1000
print_stats(movie_count, ams_time, our_time)
expect(our_json.length).to eq ams_json.length
expect { our_serializer.serialized_json }.to perform_faster_than { ams_serializer.to_json }.at_least(speed_factor).times
end
end
end
end