rails_render_benchmark_code_and_templates

# test/template/benchmark/render_erb_test.rb
# encoding: utf-8
require 'abstract_unit'
require 'controller/fake_models'
require 'benchmark/ips'

class TestController < ActionController::Base
end

class RenderErbBenchmarks < ActiveSupport::TestCase

  def setup_view(paths)
    controller = TestController.new
    controller.params = Hash.new
    @assigns = { :expected_time => 'not long' }
    @view = ActionView::Base.new(paths, @assigns, controller)
    @controller_view = controller.view_context
  end
  private :setup_view

  def setup
    view_paths = ActionController::Base.view_paths
    assert_equal ActionView::OptimizedFileSystemResolver, view_paths.first.class
    setup_view(view_paths)
  end

  def test_small_erb_template
    Benchmark.ips do |b|
      b.report('small erb template') do
        @view.render(:template => "benchmark/erb/small.html.erb", :formats => [:html])
      end
      b.compare!
    end
  end

  def test_small_erb_template_with_1_partial
    Benchmark.ips do |b|
      b.report('small erb template with 1 partial') do
        @view.render(:template => "benchmark/erb/small_with_1_partial.html.erb", :formats => [:html])
      end
      b.compare!
    end
  end

  def test_small_erb_template_with_2_partials
    Benchmark.ips do |b|
      b.report('small erb template with 2 partials') do
        @view.render(:template => "benchmark/erb/small_with_2_partials.html.erb", :formats => [:html])
      end
      b.compare!
    end
  end

end

#require 'ruby-prof'
if defined?(RubyProf)
  RubyProf.start
end

MiniTest.after_run do
  if defined?(RubyProf)
    result = RubyProf.stop
    printer = RubyProf::FlatPrinter.new(result)
    printer.print(STDOUT)
  end
end

=================================


# test/fixtures/benchmark/erb/small.html.erb
<div class="small-template">
  <p class="erb-bench-description">
    I should take: <%= @expected_time %>
  </p>
</div>

=================================

# test/fixtures/benchmark/small_with_1_partial.html.erb
<div class="small-template">
  <%= render 'benchmark/erb/partials/small_with_1_partial' %>
</div>

# test/fixtures/benchmark/partials/_small_with_1_partial.html.erb
<p class="erb-bench-description">
I should take: <%= @expected_time %>
</p>

==================================

# test/fixtures/benchmark/small_with_2_partials.html.erb
<div class="small-template">
  <%= render 'benchmark/erb/partials/small_with_2_partials_1' %>
  <%= render 'benchmark/erb/partials/small_with_2_partials_2' %>
</div>

# test/fixtures/benchmark/partials/_small_with_2_partials_1.html.erb
<p class="erb-bench-description">

# test/fixtures/benchmark/partials/_small_with_2_partials_2.html.erb
I should take: <%= @expected_time %>
</p>