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How to use count method of ParallelTests Package

Best Parallel_tests_ruby code snippet using ParallelTests.count

tasks.rb

Source:tasks.rb

...23        end24      end25      def run_in_parallel(cmd, options={})26        load_lib27        count = " -n #{options[:count]}" unless options[:count].to_s.empty?28        # Using the relative path to find the binary allow to run a specific version of it29        executable = File.expand_path("../../../bin/parallel_test", __FILE__)30        command = "#{ParallelTests.with_ruby_binary(Shellwords.escape(executable))} --exec '#{cmd}'#{count}#{' --non-parallel' if options[:non_parallel]}"31        abort unless system(command)32      end33      # this is a crazy-complex solution for a very simple problem:34      # removing certain lines from the output without changing the exit-status35      # normally I'd not do this, but it has been lots of fun and a great learning experience :)36      #37      # - sed does not support | without -r38      # - grep changes 0 exitstatus to 1 if nothing matches39      # - sed changes 1 exitstatus to 040      # - pipefail makes pipe fail with exitstatus of first failed command41      # - pipefail is not supported in (zsh)42      # - defining a new rake task like silence_schema would force users to load parallel_tests in test env43      # - do not use ' since run_in_parallel uses them to quote stuff44      # - simple system "set -o pipefail" returns nil even though set -o pipefail exists with 045      def suppress_output(command, ignore_regex)46        activate_pipefail = "set -o pipefail"47        remove_ignored_lines = %Q{(grep -v "#{ignore_regex}" || test 1)}48        if File.executable?('/bin/bash') && system('/bin/bash', '-c', "#{activate_pipefail} 2>/dev/null && test 1")49          # We need to shell escape single quotes (' becomes '"'"') because50          # run_in_parallel wraps command in single quotes51          %Q{/bin/bash -c '"'"'#{activate_pipefail} && (#{command}) | #{remove_ignored_lines}'"'"'}52        else53          command54        end55      end56      def suppress_schema_load_output(command)57        ParallelTests::Tasks.suppress_output(command, "^   ->\\|^-- ")58      end59      def check_for_pending_migrations60        ["db:abort_if_pending_migrations", "app:db:abort_if_pending_migrations"].each do |abort_migrations|61          if Rake::Task.task_defined?(abort_migrations)62            Rake::Task[abort_migrations].invoke63            break64          end65        end66      end67      # parallel:spec[:count, :pattern, :options, :pass_through]68      def parse_args(args)69        # order as given by user70        args = [args[:count], args[:pattern], args[:options], args[:pass_through]]71        # count given or empty ?72        # parallel:spec[2,models,options]73        # parallel:spec[,models,options]74        count = args.shift if args.first.to_s =~ /^\d*$/75        num_processes = count.to_i unless count.to_s.empty?76        pattern = args.shift77        options = args.shift78        pass_through = args.shift79        [num_processes, pattern.to_s, options.to_s, pass_through.to_s]80      end81    end82  end83end84namespace :parallel do85  desc "Setup test databases via db:setup --> parallel:setup[num_cpus]"86  task :setup, :count do |_,args|87    command = "#{ParallelTests::Tasks.rake_bin} db:setup RAILS_ENV=#{ParallelTests::Tasks.rails_env}"88    ParallelTests::Tasks.run_in_parallel(ParallelTests::Tasks.suppress_schema_load_output(command), args)89  end90  desc "Create test databases via db:create --> parallel:create[num_cpus]"91  task :create, :count do |_,args|92    ParallelTests::Tasks.run_in_parallel(93      "#{ParallelTests::Tasks.rake_bin} db:create RAILS_ENV=#{ParallelTests::Tasks.rails_env}", args)94  end95  desc "Drop test databases via db:drop --> parallel:drop[num_cpus]"96  task :drop, :count do |_,args|97    ParallelTests::Tasks.run_in_parallel(98      "#{ParallelTests::Tasks.rake_bin} db:drop RAILS_ENV=#{ParallelTests::Tasks.rails_env} " \99      "DISABLE_DATABASE_ENVIRONMENT_CHECK=1", args)100  end101  desc "Update test databases by dumping and loading --> parallel:prepare[num_cpus]"102  task(:prepare, [:count]) do |_,args|103    ParallelTests::Tasks.check_for_pending_migrations104    if defined?(ActiveRecord::Base) && [:ruby, :sql].include?(ActiveRecord::Base.schema_format)105      # fast: dump once, load in parallel106      type = (ActiveRecord::Base.schema_format == :ruby ? "schema" : "structure")107      Rake::Task["db:#{type}:dump"].invoke108      # remove database connection to prevent "database is being accessed by other users"109      ActiveRecord::Base.remove_connection if ActiveRecord::Base.configurations.any?110      Rake::Task["parallel:load_#{type}"].invoke(args[:count])111    else112      # slow: dump and load in in serial113      args = args.to_hash.merge(:non_parallel => true) # normal merge returns nil114      task_name = Rake::Task.task_defined?('db:test:prepare') ? 'db:test:prepare' : 'app:db:test:prepare'115      ParallelTests::Tasks.run_in_parallel("#{ParallelTests::Tasks.rake_bin} #{task_name}", args)116      next117    end118  end119  # when dumping/resetting takes too long120  desc "Update test databases via db:migrate --> parallel:migrate[num_cpus]"121  task :migrate, :count do |_,args|122    ParallelTests::Tasks.run_in_parallel(123      "#{ParallelTests::Tasks.rake_bin} db:migrate RAILS_ENV=#{ParallelTests::Tasks.rails_env}", args)124  end125  desc "Rollback test databases via db:rollback --> parallel:rollback[num_cpus]"126  task :rollback, :count do |_,args|127    ParallelTests::Tasks.run_in_parallel(128      "#{ParallelTests::Tasks.rake_bin} db:rollback RAILS_ENV=#{ParallelTests::Tasks.rails_env}", args)129  end130  # just load the schema (good for integration server <-> no development db)131  desc "Load dumped schema for test databases via db:schema:load --> parallel:load_schema[num_cpus]"132  task :load_schema, :count do |_,args|133    command = "#{ParallelTests::Tasks.rake_bin} #{ParallelTests::Tasks.purge_before_load} " \134      "db:schema:load RAILS_ENV=#{ParallelTests::Tasks.rails_env} DISABLE_DATABASE_ENVIRONMENT_CHECK=1"135    ParallelTests::Tasks.run_in_parallel(ParallelTests::Tasks.suppress_schema_load_output(command), args)136  end137  # load the structure from the structure.sql file138  desc "Load structure for test databases via db:structure:load --> parallel:load_structure[num_cpus]"139  task :load_structure, :count do |_,args|140    ParallelTests::Tasks.run_in_parallel(141      "#{ParallelTests::Tasks.rake_bin} #{ParallelTests::Tasks.purge_before_load} " \142      "db:structure:load RAILS_ENV=#{ParallelTests::Tasks.rails_env} DISABLE_DATABASE_ENVIRONMENT_CHECK=1", args)143  end144  desc "Load the seed data from db/seeds.rb via db:seed --> parallel:seed[num_cpus]"145  task :seed, :count do |_,args|146    ParallelTests::Tasks.run_in_parallel(147      "#{ParallelTests::Tasks.rake_bin} db:seed RAILS_ENV=#{ParallelTests::Tasks.rails_env}", args)148  end149  desc "Launch given rake command in parallel"150  task :rake, :command, :count do |_, args|151    ParallelTests::Tasks.run_in_parallel(152      "RAILS_ENV=#{ParallelTests::Tasks.rails_env} #{ParallelTests::Tasks.rake_bin} " \153      "#{args.command}", args)154  end155  ['test', 'spec', 'features', 'features-spinach'].each do |type|156    desc "Run #{type} in parallel with parallel:#{type}[num_cpus]"157    task type, [:count, :pattern, :options, :pass_through] do |t, args|158      ParallelTests::Tasks.check_for_pending_migrations159      ParallelTests::Tasks.load_lib160      count, pattern, options, pass_through = ParallelTests::Tasks.parse_args(args)161      test_framework = {162        'spec' => 'rspec',163        'test' => 'test',164        'features' => 'cucumber',165        'features-spinach' => 'spinach',166      }[type]167      if test_framework == 'spinach'168        type = 'features'169      end170      # Using the relative path to find the binary allow to run a specific version of it171      executable = File.join(File.dirname(__FILE__), '..', '..', 'bin', 'parallel_test')172      command = "#{ParallelTests.with_ruby_binary(Shellwords.escape(executable))} #{type} " \173        "--type #{test_framework} "        \174        "-n #{count} "                     \175        "--pattern '#{pattern}' "          \176        "--test-options '#{options}' "     \177        "#{pass_through}"178      abort unless system(command) # allow to chain tasks e.g. rake parallel:spec parallel:features179    end180  end181end...

parallel_tests_spec.rb

Source:parallel_tests_spec.rb

1require File.dirname(__FILE__) + '/spec_helper'2describe ParallelTests do3  test_tests_in_groups(ParallelTests, 'test', '_test.rb')4  describe :parse_rake_args do5    it "should return the count" do6      args = {:count => 2}7      ParallelTests.parse_rake_args(args).should == [2, '', ""]8    end9    it "should default to the prefix" do10      args = {:count => "models"}11      ParallelTests.parse_rake_args(args).should == [Parallel.processor_count, "models", ""]12    end13    it "should return the count and prefix" do14      args = {:count => 2, :path_prefix => "models"}15      ParallelTests.parse_rake_args(args).should == [2, "models", ""]16    end17    it "should return the count, prefix, and options" do18      args = {:count => 2, :path_prefix => "plain", :options => "-p default" }19      ParallelTests.parse_rake_args(args).should == [2, "plain", "-p default"]20    end21  end22  describe :run_tests do23    it "uses TEST_ENV_NUMBER=blank when called for process 0" do24      ParallelTests.should_receive(:open).with{|x,y|x=~/TEST_ENV_NUMBER= /}.and_return mocked_process25      ParallelTests.run_tests(['xxx'],0,'')26    end27    it "uses TEST_ENV_NUMBER=2 when called for process 1" do28      ParallelTests.should_receive(:open).with{|x,y| x=~/TEST_ENV_NUMBER=2/}.and_return mocked_process29      ParallelTests.run_tests(['xxx'],1,'')30    end31    it "uses options" do32      ParallelTests.should_receive(:open).with{|x,y| x=~ %r{ruby -Itest -v}}.and_return mocked_process...

count

Using AI Code Generation

1puts ParallelTests.count("1.rb")2puts ParallelTests.count("2.rb")3puts ParallelTests.count("3.rb")4puts ParallelTests.count("4.rb")5puts ParallelTests.count("5.rb")6puts ParallelTests.count("6.rb")7puts ParallelTests.count("7.rb")8puts ParallelTests.count("8.rb")9puts ParallelTests.count("9.rb")10puts ParallelTests.count("10.rb")

count

Using AI Code Generation

1puts ParallelTests.count_tests_in_file(ARGV[0])2puts ParallelTests.run_tests_in_parallel(ARGV[0])3puts ParallelTests.run_tests_in_sequence(ARGV[0])4puts ParallelTests.run_tests_in_parallel(ARGV[0])5puts ParallelTests.run_tests_in_sequence(ARGV[0])6puts ParallelTests.run_tests_in_parallel(ARGV[0])7puts ParallelTests.run_tests_in_sequence(ARGV[0])8puts ParallelTests.run_tests_in_parallel(ARGV[0])9puts ParallelTests.run_tests_in_sequence(ARGV[0])10puts ParallelTests.run_tests_in_sequence(

count

Using AI Code Generation

1count = ParallelTests::Test::Runner.count_tests_in_file('1.rb')2count = ParallelTests::Test::Runner.count_tests_in_file('2.rb')3count = ParallelTests::Test::Runner.count_tests_in_file('3.rb')4count = ParallelTests::Test::Runner.count_tests_in_file('4.rb')5count = ParallelTests::Test::Runner.count_tests_in_file('5.rb')6count = ParallelTests::Test::Runner.count_tests_in_file('6.rb')7count = ParallelTests::Test::Runner.count_tests_in_file('7.rb')8count = ParallelTests::Test::Runner.count_tests_in_file('8.rb')9puts ParallelTests.count("6.rb")10puts ParallelTests.count("7.rb")11puts ParallelTests.count("8.rb")12puts ParallelTests.count("9.rb")13puts ParallelTests.count("10.rb")

count

Using AI Code Generation

1puts ParallelTests.count_tests_in_file(ARGV[0])2puts ParallelTests.run_tests_in_parallel(ARGV[0])3puts ParallelTests.run_tests_in_sequence(ARGV[0])4puts ParallelTests.run_tests_in_parallel(ARGV[0])5puts ParallelTests.run_tests_in_sequence(ARGV[0])6puts ParallelTests.run_tests_in_parallel(ARGV[0])7puts ParallelTests.run_tests_in_sequence(ARGV[0])8puts ParallelTests.run_tests_in_parallel(ARGV[0])9puts ParallelTests.run_tests_in_sequence(ARGV[0])10puts ParallelTests.run_tests_in_sequence(

count

Using AI Code Generation

1puts ParallelTests.count("1.rb")2puts ParallelTests.count("2.rb")3puts ParallelTests.count("3.rb")4puts ParallelTests.count("4.rb")5puts ParallelTests.count("5.rb")6puts ParallelTests.count("6.rb")7puts ParallelTests.count("7.rb")8puts ParallelTests.count("8.rb")9puts ParallelTests.count("9.rb")10puts ParallelTests.count("10.rb")

count

Using AI Code Generation

1puts ParallelTests.count_tests_in_file(ARGV[0])2puts ParallelTests.run_tests_in_parallel(ARGV[0])3puts ParallelTests.run_tests_in_sequence(ARGV[0])4puts ParallelTests.run_tests_in_parallel(ARGV[0])5puts ParallelTests.run_tests_in_sequence(ARGV[0])6puts ParallelTests.run_tests_in_parallel(ARGV[0])7puts ParallelTests.run_tests_in_sequence(ARGV[0])8puts ParallelTests.run_tests_in_parallel(ARGV[0])9puts ParallelTests.run_tests_in_sequence(ARGV[0])10puts ParallelTests.run_tests_in_sequence(

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