$ be rake parallel:spec

​

TEST_ENV_NUMBER=;export TEST_ENV_NUMBER;PARALLEL_TEST_GROUPS=4;export PARALLEL_TEST_GROUPS;bin/rspec

……

PARALLEL_TESTS_EXECUTABLE="bundle exec rspec" be rake parallel:spec

​

TEST_ENV_NUMBER=;export TEST_ENV_NUMBER;PARALLEL_TEST_GROUPS=4;export PARALLEL_TEST_GROUPS;bundle exec rspec

……

if !Process.respond_to?(:fork) || Gem::Specification.find_all_by_name("spring").empty?

  exec "bundle", "exec", "rspec", *ARGV

else

  if ENV["TEST_ENV_NUMBER"].nil? || ENV["TEST_ENV_NUMBER"].empty?

    ARGV.unshift "rspec"

    load Gem.bin_path("spring", "spring")

  else

    exec "bundle", "exec", "rspec", *ARGV

  end

end

​

# .rspec_parallel

​

--format progress

--format ParallelTests::RSpec::FailuresLogger --out tmp/failing_specs.log