Include a test/profile directory. Abstract out Rakefile libs and dirs to share in new :performance namespace test tasks. Ignore the output directory.

Author: metaskills

.gitignore

@@ -6,4 +6,4 @@ doc/
 *.gem
 .bundle
 Gemfile.lock
-
+test/profile/output/*

Rakefile

@@ -1,23 +1,33 @@
 require 'rake'
 require 'rake/testtask'
 require 'rake/rdoctask'
+begin ; require 'ruby-prof' ; rescue LoadError ; end
+
+
+def test_libs(mode='odbc')
+  ['lib',
+   'test',
+   "test/connections/native_sqlserver#{mode == 'adonet' ? '' : "_#{mode}"}",
+   "#{ENV['RAILS_SOURCE']}/activerecord/test"]
+end
+
+def test_files
+  Dir.glob("test/cases/**/*_test_sqlserver.rb").sort + 
+  (Dir.glob("#{ENV['RAILS_SOURCE']}/activerecord/test/cases/**/*_test.rb") - 
+   Dir.glob("#{ENV['RAILS_SOURCE']}/activerecord/test/cases/adapters/**/*_test.rb")).sort
+end
 
 
 task :test => ['test:odbc']
 
+
 namespace :test do
 
   ['odbc','adonet'].each do |mode|
-
+    
     Rake::TestTask.new(mode) do |t|
-      ENV['ENABLE_DEFAULT_UNICODE_TYPES'] = 'true'
-      t.libs << "test"
-      t.libs << "test/connections/native_sqlserver#{mode == 'adonet' ? '' : "_#{mode}"}"
-      t.libs << "#{ENV['RAILS_SOURCE']}/activerecord/test"
-      t.test_files = \
-        Dir.glob("test/cases/**/*_test_sqlserver.rb").sort + 
-        (Dir.glob("#{ENV['RAILS_SOURCE']}/activerecord/test/cases/**/*_test.rb") - 
-         Dir.glob("#{ENV['RAILS_SOURCE']}/activerecord/test/cases/adapters/**/*_test.rb")).sort
+      t.libs = test_libs(mode)
+      t.test_files = test_files
       t.verbose = true
     end
 
@@ -33,6 +43,22 @@ namespace :test do
 end
 
 
+namespace :profile do
+  
+  ['odbc','adonet'].each do |mode|
+    namespace mode.to_sym do
+      
+      Rake::TestTask.new('connection') do |t|
+        t.libs = test_libs(mode)
+        t.test_files = ["test/profile/connection.rb"]
+        t.verbose = true
+      end 
+      
+    end
+  end
+  
+end if defined?(RubyProf)
+
 
 namespace :rvm do
 

test/cases/sqlserver_helper.rb

@@ -67,7 +67,7 @@ def method_added(method)
 
 # Set weather to test unicode string defaults or not. Used from rake task.
 
-if ENV['ENABLE_DEFAULT_UNICODE_TYPES'] == 'true'
+if ENV['ENABLE_DEFAULT_UNICODE_TYPES'] != 'false'
   puts "With enabled unicode string types"
   ActiveRecord::ConnectionAdapters::SQLServerAdapter.enable_default_unicode_types = true
 end

test/profile/connection.rb

@@ -0,0 +1,24 @@
+require 'profile/helper'
+require 'models/topic'
+require 'models/reply'
+
+class ProfileConnectionCase < ActiveRecord::TestCase
+  
+  fixtures :topics
+  
+  def setup
+    @connection = ActiveRecord::Base.connection
+  end
+  
+  def test_select
+    # Ruby 1.8.7 p302 
+    # 6.180643
+    ruby_profile :connection_select do
+      1000.times { @connection.send :select, "SELECT [topics].* FROM [topics]" }
+    end
+  end
+  
+  
+end
+
+

test/profile/helper.rb

@@ -0,0 +1,51 @@
+require 'cases/sqlserver_helper'
+require 'ruby-prof'
+
+class ActiveRecord::TestCase
+  
+  
+  protected
+  
+  def ruby_profile(name)
+    result = RubyProf.profile { yield }
+    [:flat,:graph,:html].each do |printer|
+      save_ruby_prof_report(result, name, printer)
+    end
+  end
+  
+  def save_ruby_prof_report(result, name, printer)
+    ptr = case printer
+          when :flat  then RubyProf::FlatPrinter
+          when :graph then RubyProf::GraphPrinter
+          when :html  then RubyProf::GraphHtmlPrinter
+          end
+    file_name = printer == :html ? "#{name}_graph.html" : "#{name}_#{printer}.txt"
+    file_path = File.join(SQLSERVER_TEST_ROOT, 'profile', 'output', file_name)
+    File.open(file_path,'w') do |file|
+      printer == :html ? ptr.new(result).print(file) : ptr.new(result).print(file,0)
+    end
+  end
+  
+end
+
+# RubyProf::FlatPrinter         Creates a flat report in text format 
+# RubyProf::GraphPrinter        Creates a call graph report in text format 
+# RubyProf::GraphHtmlPrinter    Creates a call graph report in HTML (separate files per thread) 
+
+# RubyProf::PROCESS_TIME        process time
+# RubyProf::WALL_TIME           wall time
+# RubyProf::CPU_TIME            cpu time
+# RubyProf::ALLOCATIONS         object allocations
+# RubyProf::MEMORY              memory usage
+# RubyProf::GC_RUNS             garbage collections runs
+# RubyProf::GC_TIME             garbage collection time
+
+# RubyProf.measure_mode = RubyProf::PROCESS_TIME
+# RubyProf.measure_mode = RubyProf::WALL_TIME
+# RubyProf.measure_mode = RubyProf::CPU_TIME
+# RubyProf.measure_mode = RubyProf::ALLOCATIONS
+# RubyProf.measure_mode = RubyProf::MEMORY
+# RubyProf.measure_mode = RubyProf::GC_RUNS
+# RubyProf.measure_mode = RubyProf::GC_TIME
+
+