module ParallelTests
rake tasks for Rails 3+
Constants
- DEFAULT_MULTIPLY_PROCESSES
- RUBY_BINARY
- VERSION
- WINDOWS
Public Class Methods
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# File lib/parallel_tests.rb, line 66 def bundler_enabled? return true if Object.const_defined?(:Bundler) previous = nil current = File.expand_path(Dir.pwd) until !File.directory?(current) || current == previous filename = File.join(current, "Gemfile") return true if File.exist?(filename) previous = current current = File.expand_path("..", current) end false end
copied from github.com/carlhuda/bundler Bundler::SharedHelpers#find_gemfile
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# File lib/parallel_tests.rb, line 111 def delta before = now.to_f yield now.to_f - before end
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# File lib/parallel_tests.rb, line 28 def determine_multiple(multiple) Float( [ multiple, ENV["PARALLEL_TEST_MULTIPLY_PROCESSES"], DEFAULT_MULTIPLY_PROCESSES ].detect { |c| !c.to_s.strip.empty? } ) end
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# File lib/parallel_tests.rb, line 18 def determine_number_of_processes(count) Integer( [ count, ENV["PARALLEL_TEST_PROCESSORS"], Parallel.processor_count ].detect { |c| !c.to_s.strip.empty? } ) end
used by external libraries, do not rename or change api
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# File lib/parallel_tests.rb, line 82 def first_process? ENV["TEST_ENV_NUMBER"].to_i <= 1 end
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# File lib/parallel_tests.rb, line 86 def last_process? current_process_number = ENV['TEST_ENV_NUMBER'] total_processes = ENV['PARALLEL_TEST_GROUPS'] return true if current_process_number.nil? && total_processes.nil? current_process_number = '1' if current_process_number.nil? current_process_number == total_processes end
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# File lib/parallel_tests.rb, line 107 def now Process.clock_gettime(Process::CLOCK_MONOTONIC) end
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# File lib/parallel_tests.rb, line 103 def number_of_running_processes pids.count end
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# File lib/parallel_tests.rb, line 55 def pid_file_path ENV.fetch('PARALLEL_PID_FILE') end
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# File lib/parallel_tests.rb, line 59 def stop_all_processes pids.all.each { |pid| Process.kill(:INT, pid) } rescue Errno::ESRCH, Errno::EPERM # Process already terminated, do nothing end
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# File lib/parallel_tests.rb, line 98 def wait_for_other_processes_to_finish return unless ENV["TEST_ENV_NUMBER"] sleep 1 until number_of_running_processes <= 1 end
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# File lib/parallel_tests.rb, line 38 def with_pid_file Tempfile.open('parallel_tests-pidfile') do |f| ENV['PARALLEL_PID_FILE'] = f.path # Pids object should be created before threads will start adding pids to it # Otherwise we would have to use Mutex to prevent creation of several instances @pids = pids yield ensure ENV['PARALLEL_PID_FILE'] = nil @pids = nil end end
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# File lib/parallel_tests.rb, line 94 def with_ruby_binary(command) WINDOWS ? [RUBY_BINARY, '--', command] : [command] end