diff options
Diffstat (limited to 'activesupport/lib/active_support/test_case.rb')
| -rw-r--r-- | activesupport/lib/active_support/test_case.rb | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/test_case.rb b/activesupport/lib/active_support/test_case.rb index ef12c6b9b0..7be4108ed7 100644 --- a/activesupport/lib/active_support/test_case.rb +++ b/activesupport/lib/active_support/test_case.rb @@ -12,6 +12,7 @@ require "active_support/testing/constant_lookup" require "active_support/testing/time_helpers" require "active_support/testing/file_fixtures" require "active_support/testing/parallelization" +require "concurrent/utility/processor_counter" module ActiveSupport class TestCase < ::Minitest::Test @@ -58,16 +59,20 @@ module ActiveSupport # If the number of workers is set to +1+ or fewer, the tests will not be # parallelized. # + # If +workers+ is set to +:number_of_processors+, the number of workers will be + # set to the actual core count on the machine you are on. + # # The default parallelization method is to fork processes. If you'd like to # use threads instead you can pass <tt>with: :threads</tt> to the +parallelize+ # method. Note the threaded parallelization does not create multiple # database and will not work with system tests at this time. # - # parallelize(workers: 2, with: :threads) + # parallelize(workers: :number_of_processors, with: :threads) # # The threaded parallelization uses minitest's parallel executor directly. # The processes parallelization uses a Ruby DRb server. - def parallelize(workers: 2, with: :processes) + def parallelize(workers: :number_of_processors, with: :processes) + workers = Concurrent.physical_processor_count if workers == :number_of_processors workers = ENV["PARALLEL_WORKERS"].to_i if ENV["PARALLEL_WORKERS"] return if workers <= 1 |