How to use unique_log method of ParallelTests.Test Package

Best Parallel_tests_ruby code snippet using ParallelTests.Test.unique_log

runtime_logger.rb

Source:runtime_logger.rb

...11          time = ParallelTests.delta { result = yield }12          log(test, time)13          result14        end15        def unique_log16          lock do17            separator = "\n"18            groups = File.read(logfile).split(separator).map { |line| line.split(":") }.group_by(&:first)19            lines = groups.map do |file, times|20              time = "%.2f" % times.map(&:last).map(&:to_f).inject(:+)21              "#{file}:#{time}"22            end23            File.write(logfile, lines.join(separator) + separator)24          end25        end26        private27        # ensure folder exists + clean out previous log28        # this will happen in multiple processes, but should be roughly at the same time29        # so there should be no log message lost30        def prepare31          return if @@prepared32          @@prepared = true33          FileUtils.mkdir_p(File.dirname(logfile))34          File.write(logfile, '')35        end36        def log(test, time)37          return unless message = message(test, time)38          lock do39            File.open(logfile, 'a') { |f| f.puts message }40          end41        end42        def message(test, delta)43          return unless method = test.public_instance_methods(true).detect { |method| method =~ /^test_/ }44          filename = test.instance_method(method).source_location.first.sub("#{Dir.pwd}/", "")45          "#{filename}:#{delta}"46        end47        def lock48          File.open(logfile, 'r') do |f|49            begin50              f.flock File::LOCK_EX51              yield52            ensure53              f.flock File::LOCK_UN54            end55          end56        end57        def logfile58          ParallelTests::Test::Runner.runtime_log59        end60      end61    end62  end63end64if defined?(Minitest::Runnable) # Minitest 565  class << Minitest::Runnable66    prepend(Module.new do67      def run(*)68        ParallelTests::Test::RuntimeLogger.log_test_run(self) do69          super70        end71      end72    end)73  end74  class << Minitest75    prepend(Module.new do76      def run(*args)77        result = super78        ParallelTests::Test::RuntimeLogger.unique_log79        result80      end81    end)82  end83elsif defined?(MiniTest::Unit) # Minitest 484  MiniTest::Unit.class_eval do85    alias_method :_run_suite_without_runtime_log, :_run_suite86    def _run_suite(*args)87      ParallelTests::Test::RuntimeLogger.log_test_run(args.first) do88        _run_suite_without_runtime_log(*args)89      end90    end91    alias_method :_run_suites_without_runtime_log, :_run_suites92    def _run_suites(*args)93      result = _run_suites_without_runtime_log(*args)94      ParallelTests::Test::RuntimeLogger.unique_log95      result96    end97  end98else # Test::Unit99  require 'test/unit/testsuite'100  class ::Test::Unit::TestSuite101    alias_method :run_without_timing, :run102    def run(result, &block)103      test = tests.first104      if test.is_a? ::Test::Unit::TestSuite # all tests ?105        run_without_timing(result, &block)106        ParallelTests::Test::RuntimeLogger.unique_log107      else108        ParallelTests::Test::RuntimeLogger.log_test_run(test.class) do109          run_without_timing(result, &block)110        end111      end112    end113  end114end...

unique_log

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