def self.run(argv)
options = {}
OptionParser.new do |opts|
opts.banner = <<BANNER
all tests in parallel, giving each process ENV['TEST_ENV_NUMBER'] ('', '2', '3', ...)
ional] Only run selected files & folders:
parallel_test test/bar test/baz/xxx_text.rb
ons are:
ER
opts.on("-n [PROCESSES]", Integer, "How many processes to use, default: available CPUs") { |n| options[:count] = n }
opts.on("-p", '--pattern [PATTERN]', "run tests matching this pattern") { |pattern| options[:pattern] = pattern }
opts.on("--no-sort", "do not sort files before running them") { |no_sort| options[:no_sort] = no_sort }
opts.on("-m [FLOAT]", "--multiply-processes [FLOAT]", Float, "use given number as a multiplier of processes to run") { |multiply| options[:multiply] = multiply }
opts.on("-r", '--root [PATH]', "execute test commands from this path") { |path| options[:root] = path }
opts.on("-s [PATTERN]", "--single [PATTERN]", "Run all matching files in only one process") do |pattern|
options[:single_process] ||= []
options[:single_process] << /#{pattern}/
end
opts.on("-e", '--exec [COMMAND]', "execute this code parallel and with ENV['TEST_ENV_NUM']") { |path| options[:execute] = path }
opts.on("-o", "--test-options '[OPTIONS]'", "execute test commands with those options") { |arg| options[:test_options] = arg }
opts.on("-t", "--type [TYPE]", "which type of tests to run? test, spec or features") { |type| options[:type] = type }
opts.on("--non-parallel", "execute same commands but do not in parallel, needs --exec") { options[:non_parallel] = true }
opts.on("--chunk-timeout [TIMEOUT]", "timeout before re-printing the output of a child-process") { |timeout| options[:chunk_timeout] = timeout.to_f }
opts.on('-v', '--version', 'Show Version') { puts ParallelTests::VERSION; exit }
opts.on("-h", "--help", "Show this.") { puts opts; exit }
end.parse!(argv)
raise "--no-sort and --single-process are not supported" if options[:no_sort] and options[:single_process]
# get files to run from arguments
options[:files] = argv if argv.size > 0
num_processes = ParallelTests.determine_number_of_processes(options[:count])
num_processes = num_processes * (options[:multiply] || 1)
if options[:execute]
runs = (0...num_processes).to_a
results = if options[:non_parallel]
runs.map do |i|
ParallelTests::Test::Runner.execute_command(options[:execute], i, options)
end
else
Parallel.map(runs, :in_processes => num_processes) do |i|
ParallelTests::Test::Runner.execute_command(options[:execute], i, options)
end
end.flatten
abort if results.any? { |r| r[:exit_status] != 0 }
else
lib, name, task = {
'test' => ["test", "test", "test"],
'spec' => ["spec", "spec", "spec"],
'features' => ["cucumber", "feature", "features"]
}[options[:type]||'test']
require "parallel_tests/#{lib}/runner"
klass = eval("ParallelTests::#{lib.capitalize}::Runner")
start = Time.now
tests_folder = task
tests_folder = File.join(options[:root], tests_folder) unless options[:root].to_s.empty?
groups = klass.tests_in_groups(options[:files] || tests_folder, num_processes, options)
num_processes = groups.size
#adjust processes to groups
abort "no #{name}s found!" if groups.size == 0
num_tests = groups.inject(0) { |sum, item| sum + item.size }
puts "#{num_processes} processes for #{num_tests} #{name}s, ~ #{num_tests / groups.size} #{name}s per process"
test_results = Parallel.map(groups, :in_processes => num_processes) do |group|
if group.empty?
{:stdout => '', :exit_status => 0}
else
klass.run_tests(group, groups.index(group), options)
end
end
#parse and print results
results = klass.find_results(test_results.map { |result| result[:stdout] }*"")
puts ""
puts klass.summarize_results(results)
#report total time taken
puts ""
puts "Took #{Time.now - start} seconds"
#exit with correct status code so rake parallel:test && echo 123 works
failed = test_results.any? { |result| result[:exit_status] != 0 }
abort "#{name.capitalize}s Failed" if failed
end
end