Add benchmarks for jsonapi-serializers library

Gemfile.lock

@@ -55,6 +55,8 @@ GEM
     jsonapi-renderer (0.2.0)
     jsonapi-serializable (0.3.0)
       jsonapi-renderer (~> 0.2.0)
+    jsonapi-serializers (1.0.0)
+      activesupport
     loofah (2.1.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -104,6 +106,7 @@ DEPENDENCIES
   byebug
   fast_jsonapi!
   jsonapi-rb (~> 0.5.0)
+  jsonapi-serializers (~> 1.0.0)
   oj (~> 3.3)
   rspec (~> 3.5.0)
   rspec-benchmark (~> 0.3.0)

fast_jsonapi.gemspec

@@ -31,4 +31,5 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency(%q<active_model_serializers>, ["~> 0.10.7"])
   gem.add_development_dependency(%q<sqlite3>, ["~> 1.3"])
   gem.add_development_dependency(%q<jsonapi-rb>, ["~> 0.5.0"])
+  gem.add_development_dependency(%q<jsonapi-serializers>, ["~> 1.0.0"])
 end

spec/lib/object_serializer_performance_spec.rb

@@ -4,10 +4,12 @@ describe FastJsonapi::ObjectSerializer, performance: true do
   include_context 'movie class'
   include_context 'ams movie class'
   include_context 'jsonapi movie class'
+  include_context 'jsonapi-serializers movie class'
 
   include_context 'group class'
   include_context 'ams group class'
   include_context 'jsonapi group class'
+  include_context 'jsonapi-serializers group class'
 
   before(:all) { GC.disable }
   after(:all) { GC.enable }
@@ -42,34 +44,38 @@ describe FastJsonapi::ObjectSerializer, performance: true do
     end
   end
 
-  def print_stats(message, count, ams_time, jsonapi_time, our_time)
+  def print_stats(message, count, ams_time, jsonapi_time, jsonapis_time, our_time)
     format = '%-15s %-10s %s'
     puts ''
     puts message
     puts format(format, 'Serializer', 'Records', 'Time')
     puts format(format, 'AMS serializer', count, ams_time.round(2).to_s + ' ms')
     puts format(format, 'jsonapi-rb serializer', count, jsonapi_time.round(2).to_s + ' ms')
+    puts format(format, 'jsonapi-serializers', count, jsonapis_time.round(2).to_s + ' ms')
     puts format(format, 'Fast serializer', count, our_time.round(2).to_s + ' ms')
   end
 
-  def run_hash_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer)
-    our_time = Benchmark.measure { our_hash = our_serializer.serializable_hash }.real * 1000
-    ams_time = Benchmark.measure { ams_hash = ams_serializer.as_json }.real * 1000
-    jsonapi_time = Benchmark.measure { ams_hash = jsonapi_serializer.to_hash }.real * 1000
+  def run_hash_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
+    our_time = Benchmark.measure { our_serializer.serializable_hash }.real * 1000
+    ams_time = Benchmark.measure { ams_serializer.as_json }.real * 1000
+    jsonapi_time = Benchmark.measure { jsonapi_serializer.to_hash }.real * 1000
+    jsonapis_time = Benchmark.measure { jsonapis_serializer.to_hash }.real * 1000
 
-    print_stats(message, movie_count, ams_time, jsonapi_time, our_time)
+    print_stats(message, movie_count, ams_time, jsonapi_time, jsonapis_time, our_time)
   end
 
-  def run_json_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer)
+  def run_json_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
     our_json = nil
     ams_json = nil
     jsonapi_json = nil
+    jsonapis_json = nil
     our_time = Benchmark.measure { our_json = our_serializer.serialized_json }.real * 1000
     ams_time = Benchmark.measure { ams_json = ams_serializer.to_json }.real * 1000
     jsonapi_time = Benchmark.measure { jsonapi_json = jsonapi_serializer.to_json }.real * 1000
+    jsonapis_time = Benchmark.measure { jsonapis_json = jsonapis_serializer.to_json }.real * 1000
 
-    print_stats(message, movie_count, ams_time, jsonapi_time, our_time)
-    return our_json, ams_json, jsonapi_json
+    print_stats(message, movie_count, ams_time, jsonapi_time, jsonapis_time, our_time)
+    return our_json, ams_json, jsonapi_json, jsonapis_json
   end
 
   context 'when comparing with AMS 0.10.x' do
@@ -79,15 +85,17 @@ describe FastJsonapi::ObjectSerializer, performance: true do
         ams_movies = build_ams_movies(movie_count)
         movies = build_movies(movie_count)
         jsonapi_movies = build_jsonapi_movies(movie_count)
+        jsonapis_movies = build_js_movies(movie_count)
         our_serializer = MovieSerializer.new(movies)
         ams_serializer = ActiveModelSerializers::SerializableResource.new(ams_movies)
         jsonapi_serializer = JSONAPISerializer.new(jsonapi_movies)
+        jsonapis_serializer = JSONAPISSerializer.new(jsonapis_movies)
 
         message = "Serialize to JSON string #{movie_count} records"
-        our_json, ams_json, jsonapi_json = run_json_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer)
+        our_json, ams_json, _, _  = run_json_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
 
         message = "Serialize to Ruby Hash #{movie_count} records"
-        run_hash_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer)
+        run_hash_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
 
         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
@@ -103,18 +111,20 @@ describe FastJsonapi::ObjectSerializer, performance: true do
         ams_movies = build_ams_movies(movie_count)
         movies = build_movies(movie_count)
         jsonapi_movies = build_jsonapi_movies(movie_count)
+        jsonapis_movies = build_js_movies(movie_count)
         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])
         jsonapi_serializer = JSONAPISerializer.new(jsonapi_movies, include: options[:include], meta: options[:meta])
+        jsonapis_serializer = JSONAPISSerializer.new(jsonapis_movies, include: options[:include].map{|i| i.to_s.dasherize}, meta: options[:meta])
 
         message = "Serialize to JSON string #{movie_count} with includes and meta"
-        our_json, ams_json = run_json_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer)
+        our_json, ams_json = run_json_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
 
         message = "Serialize to Ruby Hash #{movie_count} with includes and meta"
-        run_hash_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer)
+        run_hash_benchmark(message, movie_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
 
         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
@@ -129,16 +139,19 @@ describe FastJsonapi::ObjectSerializer, performance: true do
       it "should serialize #{group_count} records at least #{speed_factor} times faster than AMS" do
         ams_groups = build_ams_groups(group_count)
         groups = build_groups(group_count)
+        jsonapi_groups = build_jsonapi_groups(group_count)
+        jsonapis_groups = build_jsonapis_groups(group_count)
         options = {}
         our_serializer = GroupSerializer.new(groups, options)
         ams_serializer = ActiveModelSerializers::SerializableResource.new(ams_groups)
         jsonapi_serializer = JSONAPISerializerB.new(jsonapi_groups)
+        jsonapis_serializer = JSONAPISSerializerB.new(jsonapis_groups)
 
         message = "Serialize to JSON string #{group_count} with polymorphic has_many"
-        our_json, ams_json, jsonapi_json = run_json_benchmark(message, group_count, our_serializer, ams_serializer, jsonapi_serializer)
+        our_json, ams_json, _, _ = run_json_benchmark(message, group_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
 
         message = "Serialize to Ruby Hash #{group_count} with polymorphic has_many"
-        run_hash_benchmark(message, group_count, our_serializer, ams_serializer, jsonapi_serializer)
+        run_hash_benchmark(message, group_count, our_serializer, ams_serializer, jsonapi_serializer, jsonapis_serializer)
 
         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

spec/shared/contexts/js_context.rb

@@ -0,0 +1,123 @@
+RSpec.shared_context 'jsonapi-serializers movie class' do
+  before(:context) do
+    # models
+    class JSMovie
+      attr_accessor :id, :name, :release_year, :actors, :owner, :movie_type
+    end
+
+    class JSActor
+      attr_accessor :id, :name, :email
+    end
+
+    class JSUser
+      attr_accessor :id, :name
+    end
+
+    class JSMovieType
+      attr_accessor :id, :name
+    end
+
+    # serializers
+    class JSActorSerializer
+      include JSONAPI::Serializer
+      attributes :name, :email
+
+      def type
+        'actor'
+      end
+    end
+    class JSUserSerializer
+      include JSONAPI::Serializer
+      attributes :name
+
+      def type
+        'user'
+      end
+    end
+    class JSMovieTypeSerializer
+      include JSONAPI::Serializer
+      attributes :name
+
+      def type
+        'movie_type'
+      end
+    end
+    class JSMovieSerializer
+      include JSONAPI::Serializer
+      attributes :name, :release_year
+      has_many :actors
+      has_one :owner
+      has_one :movie_type
+
+      def type
+        'movie'
+      end
+    end
+
+    class JSONAPISSerializer
+      def initialize(data, options = {})
+        @options = options.merge(is_collection: true)
+        @data = data
+      end
+
+      def to_json
+        JSONAPI::Serializer.serialize(@data, @options).to_json
+      end
+
+      def to_hash
+        JSONAPI::Serializer.serialize(@data, @options)
+      end
+    end
+  end
+
+  after(:context) do
+    classes_to_remove = %i[
+      JSMovie
+      JSActor
+      JSUser
+      JSMovieType
+      JSONAPISSerializer
+      JSActorSerializer
+      JSUserSerializer
+      JSMovieTypeSerializer
+      JSMovieSerializer]
+    classes_to_remove.each do |klass_name|
+      Object.send(:remove_const, klass_name) if Object.constants.include?(klass_name)
+    end
+  end
+
+  let(:js_actors) do
+    3.times.map do |i|
+      a = JSActor.new
+      a.id = i + 1
+      a.name = "Test #{a.id}"
+      a.email = "test#{a.id}@test.com"
+      a
+    end
+  end
+
+  let(:js_user) do
+    ams_user = JSUser.new
+    ams_user.id = 3
+    ams_user
+  end
+
+  let(:js_movie_type) do
+    ams_movie_type = JSMovieType.new
+    ams_movie_type.id = 1
+    ams_movie_type.name = 'episode'
+    ams_movie_type
+  end
+
+  def build_js_movies(count)
+    count.times.map do |i|
+      m = JSMovie.new
+      m.id = i + 1
+      m.name = 'test movie'
+      m.actors = js_actors
+      m.owner = js_user
+      m.movie_type = js_movie_type
+      m
+    end
+  end
+end

spec/shared/contexts/js_group_context.rb

@@ -0,0 +1,116 @@
+RSpec.shared_context 'jsonapi-serializers group class' do
+
+  # Person, Group Classes and serializers
+  before(:context) do
+    # models
+    class JSPerson
+      attr_accessor :id, :first_name, :last_name
+    end
+
+    class JSGroup
+      attr_accessor :id, :name, :groupees # Let's assume groupees can be Person or Group objects
+    end
+
+    # serializers
+    class JSPersonSerializer
+      include JSONAPI::Serializer
+      attributes :first_name, :last_name
+
+      def type
+        'person'
+      end
+    end
+
+    class JSGroupSerializer
+      include JSONAPI::Serializer
+      attributes :name
+      has_many :groupees
+
+      def type
+        'group'
+      end
+    end
+
+    class JSONAPISSerializerB
+      def initialize(data, options = {})
+        @options = options.merge(is_collection: true)
+        @data = data
+      end
+
+      def to_json
+        JSON.fast_generate(to_hash)
+      end
+
+      def to_hash
+        JSONAPI::Serializer.serialize(@data, @options)
+      end
+    end
+  end
+
+  after :context do
+    classes_to_remove = %i[
+      JSPerson
+      JSGroup
+      JSPersonSerializer
+      JSGroupSerializer]
+    classes_to_remove.each do |klass_name|
+      Object.send(:remove_const, klass_name) if Object.constants.include?(klass_name)
+    end
+  end
+
+  let(:jsonapi_groups) do
+    group_count = 0
+    person_count = 0
+    3.times.map do |i|
+      group = JSGroup.new
+      group.id = group_count + 1
+      group.name = "Test Group #{group.id}"
+      group_count = group.id
+
+      person = JSPerson.new
+      person.id = person_count + 1
+      person.last_name = "Last Name #{person.id}"
+      person.first_name = "First Name #{person.id}"
+      person_count = person.id
+
+      child_group = JSGroup.new
+      child_group.id = group_count + 1
+      child_group.name = "Test Group #{child_group.id}"
+      group_count = child_group.id
+
+      group.groupees = [person, child_group]
+      group
+    end
+  end
+
+  let(:jsonapis_person) do
+    person = JSPerson.new
+    person.id = 3
+    person
+  end
+
+  def build_jsonapis_groups(count)
+    group_count = 0
+    person_count = 0
+    count.times.map do |i|
+      group = JSGroup.new
+      group.id = group_count + 1
+      group.name = "Test Group #{group.id}"
+      group_count = group.id
+
+      person = JSPerson.new
+      person.id = person_count + 1
+      person.last_name = "Last Name #{person.id}"
+      person.first_name = "First Name #{person.id}"
+      person_count = person.id
+
+      child_group = JSGroup.new
+      child_group.id = group_count + 1
+      child_group.name = "Test Group #{child_group.id}"
+      group_count = child_group.id
+
+      group.groupees = [person, child_group]
+      group
+    end
+  end
+end

spec/spec_helper.rb

@@ -4,6 +4,7 @@ require 'byebug'
 require 'active_model_serializers'
 require 'oj'
 require 'jsonapi/serializable'
+require 'jsonapi-serializers'
 
 Dir[File.dirname(__FILE__) + '/shared/contexts/*.rb'].each {|file| require file }