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How to use first_is_1 method of ParallelTests Package

Best Parallel_tests_ruby code snippet using ParallelTests.first_is_1

cli.rb

Source:cli.rb

...9      options = parse_options!(argv)10      ENV['DISABLE_SPRING'] ||= '1'11      num_processes = ParallelTests.determine_number_of_processes(options[:count])12      num_processes = num_processes * (options[:multiply] || 1)13      options[:first_is_1] ||= first_is_1?14      if options[:execute]15        execute_shell_command_in_parallel(options[:execute], num_processes, options)16      else17        run_tests_in_parallel(num_processes, options)18      end19    end20    private21    def handle_interrupt22      @graceful_shutdown_attempted ||= false23      Kernel.exit if @graceful_shutdown_attempted24      # The Pid class's synchronize method can't be called directly from a trap25      # Using Thread workaround https://github.com/ddollar/foreman/issues/33226      Thread.new { ParallelTests.stop_all_processes }27      @graceful_shutdown_attempted = true28    end29    def execute_in_parallel(items, num_processes, options)30      Tempfile.open 'parallel_tests-lock' do |lock|31        ParallelTests.with_pid_file do32          progress_indicator = simulate_output_for_ci if options[:serialize_stdout]33          Parallel.map(items, :in_threads => num_processes) do |item|34            result = yield(item)35            if progress_indicator && progress_indicator.alive?36              progress_indicator.exit37              puts38            end39            reprint_output(result, lock.path) if options[:serialize_stdout]40            result41          end42        end43      end44    end45    def run_tests_in_parallel(num_processes, options)46      test_results = nil47      run_tests_proc = -> {48        groups = @runner.tests_in_groups(options[:files], num_processes, options)49        groups.reject! &:empty?50        test_results = if options[:only_group]51          groups_to_run = options[:only_group].collect{|i| groups[i - 1]}.compact52          report_number_of_tests(groups_to_run) unless options[:quiet]53          execute_in_parallel(groups_to_run, groups_to_run.size, options) do |group|54            run_tests(group, groups_to_run.index(group), 1, options)55          end56        else57          report_number_of_tests(groups) unless options[:quiet]58          execute_in_parallel(groups, groups.size, options) do |group|59            run_tests(group, groups.index(group), num_processes, options)60          end61        end62        report_results(test_results, options) unless options[:quiet]63      }64      if options[:quiet]65        run_tests_proc.call66      else67        report_time_taken(&run_tests_proc)68      end69      abort final_fail_message if any_test_failed?(test_results)70    end71    def run_tests(group, process_number, num_processes, options)72      if group.empty?73        {:stdout => '', :exit_status => 0, :command => '', :seed => nil}74      else75        @runner.run_tests(group, process_number, num_processes, options)76      end77    end78    def reprint_output(result, lockfile)79      lock(lockfile) do80        $stdout.puts result[:stdout]81        $stdout.flush82      end83    end84    def lock(lockfile)85      File.open(lockfile) do |lock|86        begin87          lock.flock File::LOCK_EX88          yield89        ensure90          # This shouldn't be necessary, but appears to be91          lock.flock File::LOCK_UN92        end93      end94    end95    def report_results(test_results, options)96      results = @runner.find_results(test_results.map { |result| result[:stdout] }*"")97      puts ""98      puts @runner.summarize_results(results)99      report_failure_rerun_commmand(test_results, options)100    end101    def report_failure_rerun_commmand(test_results, options)102      failing_sets = test_results.reject { |r| r[:exit_status] == 0 }103      return if failing_sets.none?104      if options[:verbose]105        puts "\n\nTests have failed for a parallel_test group. Use the following command to run the group again:\n\n"106        failing_sets.each do |failing_set|107          command = failing_set[:command]108          command = command.gsub(/;export [A-Z_]+;/, ' ') # remove ugly export statements109          command = @runner.command_with_seed(command, failing_set[:seed]) if failing_set[:seed]110          puts command111        end112      end113    end114    def report_number_of_tests(groups)115      name = @runner.test_file_name116      num_processes = groups.size117      num_tests = groups.map(&:size).inject(0, :+)118      tests_per_process = (num_processes == 0 ? 0 : num_tests / num_processes)119      puts "#{num_processes} processes for #{num_tests} #{name}s, ~ #{tests_per_process} #{name}s per process"120    end121    #exit with correct status code so rake parallel:test && echo 123 works122    def any_test_failed?(test_results)123      test_results.any? { |result| result[:exit_status] != 0 }124    end125    def parse_options!(argv)126      options = {}127      OptionParser.new do |opts|128        opts.banner = <<-BANNER.gsub(/^          /, '')129          Run all tests in parallel, giving each process ENV['TEST_ENV_NUMBER'] ('', '2', '3', ...)130          [optional] Only selected files & folders:131            parallel_test test/bar test/baz/xxx_text.rb132          [optional] Pass test-options and files via `--`:133            parallel_test -- -t acceptance -f progress -- spec/foo_spec.rb spec/acceptance134          Options are:135        BANNER136        opts.on("-n [PROCESSES]", Integer, "How many processes to use, default: available CPUs") { |n| options[:count] = n }137        opts.on("-p", "--pattern [PATTERN]", "run tests matching this regex pattern") { |pattern| options[:pattern] = /#{pattern}/ }138        opts.on("--group-by [TYPE]", <<-TEXT.gsub(/^          /, '')139          group tests by:140                    found - order of finding files141                    steps - number of cucumber/spinach steps142                    scenarios - individual cucumber scenarios143                    filesize - by size of the file144                    runtime - info from runtime log145                    default - runtime when runtime log is filled otherwise filesize146          TEXT147          ) { |type| options[:group_by] = type.to_sym }148        opts.on("-m [FLOAT]", "--multiply-processes [FLOAT]", Float, "use given number as a multiplier of processes to run") { |multiply| options[:multiply] = multiply }149        opts.on("-s [PATTERN]", "--single [PATTERN]",150          "Run all matching files in the same process") do |pattern|151          options[:single_process] ||= []152          options[:single_process] << /#{pattern}/153        end154        opts.on("-i", "--isolate",155          "Do not run any other tests in the group used by --single(-s)") do |pattern|156          options[:isolate] = true157        end158        opts.on("--only-group INT[, INT]", Array) { |groups| options[:only_group] = groups.map(&:to_i) }159        opts.on("-e", "--exec [COMMAND]", "execute this code parallel and with ENV['TEST_ENV_NUMBER']") { |path| options[:execute] = path }160        opts.on("-o", "--test-options '[OPTIONS]'", "execute test commands with those options") { |arg| options[:test_options] = arg.lstrip }161        opts.on("-t", "--type [TYPE]", "test(default) / rspec / cucumber / spinach") do |type|162          begin163            @runner = load_runner(type)164          rescue NameError, LoadError => e165            puts "Runner for `#{type}` type has not been found! (#{e})"166            abort167          end168        end169        opts.on("--suffix [PATTERN]", <<-TEXT.gsub(/^          /, '')170          override built in test file pattern (should match suffix):171                    '_spec\.rb$' - matches rspec files172                    '_(test|spec).rb$' - matches test or spec files173          TEXT174          ) { |pattern| options[:suffix] = /#{pattern}/ }175        opts.on("--serialize-stdout", "Serialize stdout output, nothing will be written until everything is done") { options[:serialize_stdout] = true }176        opts.on("--prefix-output-with-test-env-number", "Prefixes test env number to the output when not using --serialize-stdout") { options[:prefix_output_with_test_env_number] = true }177        opts.on("--combine-stderr", "Combine stderr into stdout, useful in conjunction with --serialize-stdout") { options[:combine_stderr] = true }178        opts.on("--non-parallel", "execute same commands but do not in parallel, needs --exec") { options[:non_parallel] = true }179        opts.on("--no-symlinks", "Do not traverse symbolic links to find test files") { options[:symlinks] = false }180        opts.on('--ignore-tags [PATTERN]', 'When counting steps ignore scenarios with tags that match this pattern')  { |arg| options[:ignore_tag_pattern] = arg }181        opts.on("--nice", "execute test commands with low priority.") { options[:nice] = true }182        opts.on("--runtime-log [PATH]", "Location of previously recorded test runtimes") { |path| options[:runtime_log] = path }183        opts.on("--allowed-missing [INT]", Integer, "Allowed percentage of missing runtimes (default = 50)") { |percent| options[:allowed_missing_percent] = percent }184        opts.on("--unknown-runtime [FLOAT]", Float, "Use given number as unknown runtime (otherwise use average time)") { |time| options[:unknown_runtime] = time }185        opts.on("--first-is-1", "Use \"1\" as TEST_ENV_NUMBER to not reuse the default test environment") { options[:first_is_1] = true }186        opts.on("--verbose", "Print more output (mutually exclusive with quiet)") { options[:verbose] = true }187        opts.on("--quiet", "Print tests output only (mutually exclusive with verbose)") { options[:quiet] = true }188        opts.on("-v", "--version", "Show Version") { puts ParallelTests::VERSION; exit }189        opts.on("-h", "--help", "Show this.") { puts opts; exit }190      end.parse!(argv)191      if options[:verbose] && options[:quiet]192        raise "Both options are mutually exclusive: verbose & quiet"193      end194      if options[:count] == 0195        options.delete(:count)196        options[:non_parallel] = true197      end198      files, remaining = extract_file_paths(argv)199      unless options[:execute]200        abort "Pass files or folders to run" unless files.any?201        options[:files] = files202      end203      append_test_options(options, remaining)204      options[:group_by] ||= :filesize if options[:only_group]205      raise "--group-by found and --single-process are not supported" if options[:group_by] == :found and options[:single_process]206      allowed = [:filesize, :runtime, :found]207      if !allowed.include?(options[:group_by]) && options[:only_group]208        raise "--group-by #{allowed.join(" or ")} is required for --only-group"209      end210      options211    end212    def extract_file_paths(argv)213      dash_index = argv.rindex("--")214      file_args_at = (dash_index || -1) + 1215      [argv[file_args_at..-1], argv[0...(dash_index || 0)]]216    end217    def extract_test_options(argv)218      dash_index = argv.index("--") || -1219      argv[dash_index+1..-1]220    end221    def append_test_options(options, argv)222      new_opts = extract_test_options(argv)223      return if new_opts.empty?224      prev_and_new = [options[:test_options], new_opts.shelljoin]225      options[:test_options] = prev_and_new.compact.join(' ')226    end227    def load_runner(type)228      require "parallel_tests/#{type}/runner"229      runner_classname = type.split("_").map(&:capitalize).join.sub("Rspec", "RSpec")230      klass_name = "ParallelTests::#{runner_classname}::Runner"231      klass_name.split('::').inject(Object) { |x, y| x.const_get(y) }232    end233    def execute_shell_command_in_parallel(command, num_processes, options)234      runs = if options[:only_group]235        options[:only_group].map{|g| g - 1}236      else237        (0...num_processes).to_a238      end239      results = if options[:non_parallel]240        ParallelTests.with_pid_file do241          runs.map do |i|242            ParallelTests::Test::Runner.execute_command(command, i, num_processes, options)243          end244        end245      else246        execute_in_parallel(runs, runs.size, options) do |i|247          ParallelTests::Test::Runner.execute_command(command, i, num_processes, options)248        end249      end.flatten250      abort if results.any? { |r| r[:exit_status] != 0 }251    end252    def report_time_taken253      seconds = ParallelTests.delta { yield }.to_i254      puts "\nTook #{seconds} seconds#{detailed_duration(seconds)}"255    end256    def detailed_duration(seconds)257      parts = [ seconds / 3600, seconds % 3600 / 60, seconds % 60 ].drop_while(&:zero?)258      return if parts.size < 2259      parts = parts.map { |i| "%02d" % i }.join(':').sub(/^0/, '')260      " (#{parts})"261    end262    def final_fail_message263      fail_message = "#{@runner.name}s Failed"264      fail_message = "\e[31m#{fail_message}\e[0m" if use_colors?265      fail_message266    end267    def use_colors?268      $stdout.tty?269    end270    def first_is_1?271      val = ENV["PARALLEL_TEST_FIRST_IS_1"]272      ['1', 'true'].include?(val)273    end274    # CI systems often fail when there is no output for a long time, so simulate some output275    def simulate_output_for_ci276      Thread.new do277        interval = ENV.fetch('PARALLEL_TEST_HEARTBEAT_INTERVAL', 60).to_f278        loop do279          sleep interval280          print '.'281        end282      end283    end284  end...

parallel_tests@3.0.0.rbi

Source:parallel_tests@3.0.0.rbi

...26  def execute_shell_command_in_parallel(command, num_processes, options); end27  def extract_file_paths(argv); end28  def extract_test_options(argv); end29  def final_fail_message; end30  def first_is_1?; end31  def handle_interrupt; end32  def load_runner(type); end33  def lock(lockfile); end34  def parse_options!(argv); end35  def report_failure_rerun_commmand(test_results, options); end36  def report_number_of_tests(groups); end37  def report_results(test_results, options); end38  def report_time_taken; end39  def reprint_output(result, lockfile); end40  def run_tests(group, process_number, num_processes, options); end41  def run_tests_in_parallel(num_processes, options); end42  def simulate_output_for_ci(simulate); end43  def use_colors?; end44end...

first_is_1

Using AI Code Generation

1ParallelTests.first_is_1(1)2ParallelTests.first_is_1(2)3ParallelTests.first_is_1(3)4ParallelTests.first_is_1(4)5ParallelTests.first_is_1(5)6ParallelTests.first_is_1(6)7ParallelTests.first_is_1(7)8ParallelTests.first_is_1(8)9ParallelTests.first_is_1(9)10ParallelTests.first_is_1(10)11ParallelTests.first_is_1(11)12ParallelTests.first_is_1(12)13ParallelTests.first_is_1(13)14ParallelTests.first_is_1(14)15ParallelTests.first_is_1(15)16ParallelTests.first_is_1(16)17ParallelTests.first_is_1(17)

first_is_1

Using AI Code Generation

1/home/username/1.rb:3:in `require': cannot load such file -- parallel_tests (LoadError)2ERROR:  While executing gem ... (Gem::FilePermissionError)3ERROR:  While executing gem ... (Gem::FilePermissionError)4ERROR:  While executing gem ... (Gem::FilePermissionError)5ERROR:  While executing gem ... (Errno::EACCES)6ERROR:  While executing gem ... (Gem::FilePermissionError)7ERROR:  While executing gem ... (Gem::FilePermissionError)

first_is_1

Using AI Code Generation

1ParallelTests.first_is_1(1)2ParallelTests.first_is_1(2)3ParallelTests.first_is_1(3)4ParallelTests.first_is_1(4)5ParallelTests.first_is_1(5)6ParallelTests.first_is_1(6)7ParallelTests.first_is_1(7)8ParallelTests.first_is_1(8)9ParallelTests.first_is_1(9)10ParallelTests.first_is_1(10)11ParallelTests.first_is_1(11)12ParallelTests.first_is_1(12)13ParallelTests.first_is_1(13)14ParallelTests.first_is_1(14)15ParallelTests.first_is_1(15)16ParallelTests.first_is_1(16)17ParallelTests.first_is_1(17)

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