test-queue makes your tests run fast

Transcript

1. test-queue

2. makes your TESTS

3. RUN FAST

4. tmm1/test-queue

5. HOW?

6. DISTRIBUTE THE LOAD

7. WITH CORES USE THEM IF YOU HAVE THEM

8. BRING YOUR OWN

9. USE SOMEONE ELSE'S

10. THERE ARE SO MANY CLOUDS OUT THERE

11. WHICH CLOUD?

12. PICK ONE I AM NOT HERE TO SELL YOU ANYTHING

13. BUT NO, REALLY, HOW?

14. 1. TAKE A SOCKET

15. 2. FORK SOME WORKERS

16. 3. SMARTLY DISTRIBUTE TESTS

17. 4. SPEND LESS TIME WAITING ON CI

18. 5. SPEND MORE TIME SHIPPING CODE

19. GETTING STARTED

20. INSTALL # Gemfile group :test do gem "test-queue" end

21. ANATOMY OF A SCRIPT/TEST-QUEUE #!/usr/bin/env ruby $LOAD_PATH.unshift File.expand_path("./../../rspec", __FILE__) unless

    ENV["TEST_QUEUE_WORKERS"] abort "TEST_QUEUE_WORKERS must be set in env!" end require "test_helper" require "test_queue" require "test_queue/runner/rspec" class CustomTestRunner < TestQueue::Runner::RSpec end CustomTestRunner.new.execute

22. SETTING UP YOUR AFTER_FORK class RailsRSpecRunner < TestQueue::Runner::RSpec def after_fork(num)

    # ActiveRecord ActiveRecord::Base.configurations["test"]["database"] << num.to_s ActiveRecord::Base.establish_connection(:test) # Redis $redis.client.db = num $redis.client.reconnect end end

23. SETTING UP YOUR PREPARE class RailsRSpecRunner < TestQueue::Runner::RSpec def prepare(num)

    # grab a copy of your database schema num.times do |i| # load it into a clean copy of your test database end end end

24. DEMO

25. ADVANCED USAGE AT A HIGH LEVEL

26. REMOTE WORKERS

27. AN EXAMPLE # shared secret export TEST_QUEUE_RELAY_TOKEN=12345 # tell us

    what you're doing export TEST_QUEUE_VERBOSE=1 # create a master test-queue instance TEST_QUEUE_SOCKET=1.2.3.4:12345 bundle exec rspec-queue # on a server, far, far away... # create a worker that sends results back to the master TEST_QUEUE_RELAY=1.2.3.4:12345 bundle exec rspec-queue

28. COMBINE WITH YOUR CI SYSTEM

29. RUN YOUR TESTS FASTER

30. THANKS I AM @WFARR

31. GITHUB.COM/WFARR/SIX_MINUTE_BLOG !⚡ GITHUB.COM/TMM1/TEST-QUEUE