Add benchmark for serialization

Author: justfalter

bench/serializing.rb

@@ -0,0 +1,99 @@
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+require 'grape-entity'
+require 'benchmark'
+
+module Models
+  class School
+    attr_reader :classrooms
+    def initialize
+      @classrooms = []
+    end
+  end
+
+  class ClassRoom 
+    attr_reader :students
+    attr_accessor :teacher
+    def initialize(opts = {})
+      @teacher = opts[:teacher]
+      @students = []
+    end
+  end
+
+  class Person
+    attr_accessor :name
+    def initialize(opts = {})
+      @name = opts[:name]
+    end
+  end
+
+  class Teacher < Models::Person
+    attr_accessor :tenure
+    def initialize(opts = {})
+      super(opts)
+      @tenure = opts[:tenure]
+    end
+  end
+
+  class Student < Models::Person
+    attr_reader :grade
+    def initialize(opts = {})
+      super(opts)
+      @grade = opts[:grade]
+    end
+  end
+end
+
+module Entities
+  class School < Grape::Entity
+    expose :classrooms, using: 'Entities::ClassRoom'
+  end
+
+  class ClassRoom < Grape::Entity
+    expose :teacher, using: 'Entities::Teacher'
+    expose :students, using: 'Entities::Student'
+    expose :size do |model, opts|
+      model.students.count
+    end
+  end
+
+  class Person < Grape::Entity
+    expose :name
+  end
+
+  class Student < Entities::Person
+    expose :grade
+    expose :failing do |model, opts|
+      model.grade == 'F'
+    end
+  end
+
+  class Teacher < Entities::Person
+    expose :tenure
+  end
+end
+
+
+teacher1 = Models::Teacher.new(:name => "John Smith", :tenure => 2)
+classroom1 = Models::ClassRoom.new(:teacher => teacher1)
+classroom1.students << Models::Student.new(:name => "Bobby", :grade => 'A' )
+classroom1.students << Models::Student.new(:name => "Billy", :grade => 'B' )
+
+teacher2 = Models::Teacher.new(:name => "Lisa Barns")
+classroom2 = Models::ClassRoom.new(:teacher => teacher2, :tenure => 15)
+classroom2.students << Models::Student.new(:name => "Eric", :grade => 'A' )
+classroom2.students << Models::Student.new(:name => "Eddie", :grade => 'C' )
+classroom2.students << Models::Student.new(:name => "Arnie", :grade => 'C' )
+classroom2.students << Models::Student.new(:name => "Alvin", :grade => 'F' )
+school = Models::School.new
+school.classrooms << classroom1
+school.classrooms << classroom2
+
+iters = 5000
+
+Benchmark.bm do |bm|
+  bm.report("serializing") do
+    iters.times do
+      Entities::School.represent(school, :serializable => true)
+    end
+  end
+end