Faster specs

Transcript

1. Тестирование. Скорость. Александр Балашов / Evrone Friday, June 14, 13
2. Загрузка приложения 1 Friday, June 14, 13
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6. (при реальном количестве гемов) Friday, June 14, 13
7. Группы в Gemfile => 3с group :test group :development group :production Friday, June 14, 13
8. :development • hirb • wirble • bullet • migration_opener • letter_opener • capistrano • quiet_assets • capistrano-nc • localeapp • dev_log_in Friday, June 14, 13
9. :test • fakeweb • timecop • database_cleaner • launchy • zonebie Friday, June 14, 13
10. :production • newrelic_rpm Friday, June 14, 13
11. Lazy require => 3с gem 'savon', require: false require 'savon' gem ‘paper_trail’, require: false gem 'whenever', require: false Friday, June 14, 13
12. Редко используемые # gem ‘debugger’ # gem ‘ruby-prof’ Friday, June 14, 13
13. Время выполнения 2 Friday, June 14, 13
14. Finished in 15 minutes 12.9 seconds 1589 examples, 0 failures, 0 pending Friday, June 14, 13
15. Friday, June 14, 13
16. Статистика FactoryGirl USER — 1m 36 create: 3425 Friday, June 14, 13
17. • до 2 мин на создание одной фабрики • несколько тысяч вызовов каждой • 7 фабрик с временем минута и более Friday, June 14, 13
18. Время FactoryGirl 50% Friday, June 14, 13
19. FactoryGirl.create(:user) Когда реально нужно учитывать состояние БД Friday, June 14, 13
20. FactoryGirl.build(:user) Реально создаёт объекты в БД Friday, June 14, 13
21. User.new • Простые валидации • Методы не связанные с БД Friday, June 14, 13
22. stub_model(User) • Быстро работает • Независимость тестов • Подходит для spec/services/* • Подходит для spec/mailers/* Friday, June 14, 13
23. FactoryGirl Seeds Friday, June 14, 13
24. Вложенные фабрики => 2мин rating < comment < post < user < city Friday, June 14, 13
25. factory :keyword do project { seed(:project) } user { project.user } Friday, June 14, 13
26. Стандартные фабрики comment = create(:comment) Friday, June 14, 13
27. Повсеместный User user = create(:user) Friday, June 14, 13
28. Finished in 10 minutes 42.38 seconds 1556 examples, 0 failures, 0 pending Friday, June 14, 13
29. (10 * 60 + 42) / (15 * 60 + 13) = 2x Friday, June 14, 13
30. github evrone/factory_girl-seeds Friday, June 14, 13
31. Запуск тестов 3 Friday, June 14, 13
32. Spork Friday, June 14, 13
33. Spin spin serve spin push spec/models/user_spec.rb:12 Friday, June 14, 13
34. Zeus zeus start zeus test spec/models/user_spec.rb:12 Friday, June 14, 13
35. Spring spring rspec spec/models/user_spec.rb:12 Friday, June 14, 13
36. rails/commands rails console test > test "models/user" Friday, June 14, 13
37. rspec-console rspec spec/models/user_spec.rb:13 Friday, June 14, 13
38. Итог spring binstub rspec => ./bin/test alias fs='FAST_SPEC_START=1 ./bin/test' unless ENV['FAST_SPEC_START'] Seed.all end fs spec/models/user_spec.rb:13 Friday, June 14, 13
39. alias rg='spring rails g' alias rs='spring rails s' alias rc='spring rails c' Friday, June 14, 13
40. Приёмы в спеках 4 Friday, June 14, 13
41. valid? вместо save Friday, June 14, 13
42. много it при объёмном before Friday, June 14, 13
43. slow: true (требует CI-сервера) # .rspec --tag ~slow --tag ~stable Friday, June 14, 13
44. stable: true (требует CI-сервера) Friday, June 14, 13
45. Rails.logger.level = Logger::WARN Friday, June 14, 13
46. Devise.stretches = 1 Friday, June 14, 13
47. Top 10 slowest examples # .rspec -p Friday, June 14, 13
48. Finished in 2 minutes 38.91 seconds 893 examples, 0 failures, 0 pending Friday, June 14, 13
49. (15 * 60 + 13) / (2 * 60 + 38) = 6x Friday, June 14, 13