Anything new Rails 6?

Rails 6 should have been released on April 30 at RailsConf 2019.
Instead of going over each and every new feature, we will take a more general look at the direction where Rails is heading and why do we need this new release that does not promise anything world-shaking.

Transcript

1. NIKOLAY SVERCHKOV
   @ssnickolay
   ANYTHING
   NEW
   RAILS 6?
   

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3. #saintprubyconf @ssnickolay
   evilmartians.com
   

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4. #saintprubyconf @ssnickolay
   

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5. ANYTHING
   NEW
   RAILS 6?
   

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6. ANYTHING
   IMPORTANT
   RAILS 6?
   

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7. LET’S
   COMPARE!
   

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8. HISTORY OF
   RELEASES
   RAILS *.0: FEATURE-X
   

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9. #saintprubyconf @ssnickolay
   RAILS 2.0
   

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10. #saintprubyconf @ssnickolay
    RAILS 2.0
    Action Pack: Resources RESTful
    Action Pack: Multiview respond_to
    Action Pack: Security
    CRSF protection via
    protect_from_forgery
    Action Pack: Exception rescue_from
    

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11. #saintprubyconf @ssnickolay
    RAILS 2.0
    Active Record: Performance
    QUERY CACHE!
    

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12. MVC
    2010
    RAILS 3.0
    

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13. #saintprubyconf @ssnickolay
    RAILS 3.0
    config.gem !-> Bundler
    ARel
    Railties, Active Model, …
    

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14. #saintprubyconf @ssnickolay
    RAILS 3.0
    MERGE OF
    MERB AND RAILS
    

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15. #saintprubyconf @ssnickolay
    RAILS 2: LEGACY APP
    

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16. #saintprubyconf @ssnickolay
    *RAILS 3.0: TRUE
    ActiveRecord 3.0.5 is twice as slow as
    ActiveRecord 2.3.2. In a simple benchmark
    within a clean rails framework it is
    1.43 times slower.
    

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17. #saintprubyconf @ssnickolay
    *RAILS 3.0: TRUE
    

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18. #saintprubyconf @ssnickolay
    RAILS 4.0: MATURE
    

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19. #saintprubyconf @ssnickolay
    RAILS 5.0: NOT ONLY HTML
    

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20. #saintprubyconf @ssnickolay
    WHY WE SHOULD
    UPDATE OUR
    PROJECT?
    RAILS 4.* !=> RAILS 5.0
    

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21. #saintprubyconf @ssnickolay
    RAILS 6.0
    ❓❓
    

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22. #saintprubyconf @ssnickolay
    RAILS 6.0
    Parallel testing
    Multi DB
    Action Text
    Action Mailbox
    

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23. #saintprubyconf @ssnickolay
    RAILS 6.0
    gem ‘parallel_tests’
    Parallel testing
    Multi DB
    Action Text
    Action Mailbox
    ⭐ 2,567
    

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24. #saintprubyconf @ssnickolay
    RAILS 6.0
    gem ‘parallel_tests’
    gem ‘octopus’
    Parallel testing
    Multi DB
    Action Text
    Action Mailbox
    ⭐ 2,349
    

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25. #saintprubyconf @ssnickolay
    RAILS 6.0
    gem ‘parallel_tests’
    gem ‘octopus’
    WYSIWYG
    Parallel testing
    Multi DB
    Action Text
    Action Mailbox
    

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26. #saintprubyconf @ssnickolay
    RAILS 6.0
    gem ‘parallel_tests’
    gem ‘octopus’
    WYSIWYG
    
    Parallel testing
    Multi DB
    Action Text
    Action Mailbox
    

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27. #saintprubyconf @ssnickolay
    RAILS 6.0
    gem ‘parallel_tests’
    gem ‘octopus’
    -- skip-action-text
    - - skip-action-mailbox
    Parallel testing
    Multi DB
    Action Text
    Action Mailbox
    

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28. RAILS 6.0: WEBPACKER
    

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29. #saintprubyconf @ssnickolay
    RAILS 6.0:
    CONTINUE USING SPROCKETS
    (╯°□°)╯︵ ┻━┻
    

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30. ONE
    SKIP
    TO RULE
    THEM ALL
    

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31. #saintprubyconf @ssnickolay
    $ rails new -- skip-rails
    

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32. #saintprubyconf @ssnickolay
    $ rails new -- skip-rails
    Action Mailbox
    

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33. #saintprubyconf @ssnickolay
    $ rails new -- skip-rails
    Action Mailbox
    Action Text
    

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34. #saintprubyconf @ssnickolay
    $ rails new -- skip-rails
    Action Mailbox
    Action Text
    Sprockets
    

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35. #saintprubyconf @ssnickolay
    $ rails new -- skip-rails
    Action Mailbox
    Action Text
    Sprockets
    Turbolinks
    

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36. #saintprubyconf @ssnickolay
    ANYTHING
    NEW
    RAILS 6?
    

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37. #saintprubyconf @ssnickolay
    NO
    ANYTHING
    NEW
    RAILS 6?
    

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38. @ssnickolay
    Nikolay Sverchkov
    @ssnickolay
    THANK YOU!
    @evilmartians
    http://evl.ms/blog
    http://evl.ms/telegram
    

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39. Rails 6 sucks
    

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40. Rails 6 sucks
    who the hell does
    he think he is?
    

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42. Second Chance
    ANYTHING
    NEW
    RAILS 6?
    

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43. #saintprubyconf @ssnickolay
    RAILS 6.0
    MULTIPLE
    DATABASE
    SUPPORT
    

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44. #saintprubyconf @ssnickolay
    gem ‘octopus’
    

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45. #saintprubyconf @ssnickolay
    gem ‘octopus’
    FOCUSED ON
    

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46. #saintprubyconf @ssnickolay
    RAILS 6.0: MULTI DB
    MULTI DB =
    DB SHARDING =
    +
    + +
    VERTICAL OR HORIZONTAL
    PARTITIONING / REPLICATION
    

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47. #saintprubyconf @ssnickolay
    RAILS 6.0: MULTI DB
    RAILS DID NOT HAVE
    ADEQUATE* MULTI DB
    SUPPORT
    *https://github.com/ankane/multiverse
    

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48. #saintprubyconf @ssnickolay
    RAILS 6.0: MULTI DB
    MULTI DB !!=
    DATABASE SHARDING
    

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49. #saintprubyconf @ssnickolay
    RAILS 6.0: MULTI DB
    MULTI DB !!=
    DATABASE SHARDING
    ?
    

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50. #saintprubyconf @ssnickolay
    RAILS 6.0: MULTI DB
    MULTI DB !!=
    DATABASE SHARDING
    

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51. #saintprubyconf @ssnickolay
    AT LEAST 12 HUGE PRS
    FROM @EILEENCODES
    RAILS 6.0: MULTI DB
    

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52. #saintprubyconf @ssnickolay
    RAILS 6.0: !||TESTING
    PARALLEL
    UNIVERSAL
    TESTING
    

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53. #saintprubyconf @ssnickolay
    RAILS 6.0: !||TESTING
    

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54. #saintprubyconf @ssnickolay
    $ rspec
    N PROCESSES
    HOW ‘parallel_tests’ WORKS
    

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55. #saintprubyconf @ssnickolay
    HOW ‘parallel_tests’ WORKS
    $ rspec
    $ rspec spec/group1
    $ rspec spec/group3
    N PROCESSES
    $ rspec spec/group2
    

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56. #saintprubyconf @ssnickolay
    HOW ‘parallel_tests’ WORKS
    $ rspec
    $ rspec spec/group1
    $ rspec spec/group3
    THE
    FINAL
    OUTPUT
    N PROCESSES
    $ rspec spec/group2
    

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57. #saintprubyconf @ssnickolay
    HOW ‘parallel_tests’ WORKS
    rspec
    OUTPUT
    parallel_tests
    rspec
    rspec
    

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58. #saintprubyconf @ssnickolay
    HOW ‘Rails 6 ||’ WORKS
    OUTPUT
    Rails6
    QUEUE
    TESTS
    EXECUTOR
    

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59. #saintprubyconf @ssnickolay
    RAILS 6.0: !||TESTING
    PROCESSES
    OR
    THREADS?
    

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60. #saintprubyconf @ssnickolay
    RAILS 6.0: !||TESTING
    BOTH!
    

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61. BOTH!
    # default (as Github uses)
    parallelize(workers: 2, with: :processes)
    # or
    parallelize(workers: 2, with: :threads)
    RAILS 6.0: !||TESTING
    

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62. #saintprubyconf @ssnickolay
    RAILS 6.0: !||TESTING
    *ONE SMALL PROBLEM
    

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63. WHEN YOU
    RELEASE
    THE NEW
    FEATURE
    

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64. #saintprubyconf @ssnickolay
    gem ‘parallel_tests’ contributors
    

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65. gem ‘rails’ contributors
    

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66. #saintprubyconf @ssnickolay
    RAILS 6.0: !||TESTING
    FAST TESTS
    OUT OF THE
    

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67. USE BETTER SOLUTION
    FOR SPEEDING UP TESTS
    TEST-PROF
    WE ARE WATCHING YOU
    github.com
    /palkan/test-prof
    

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68. RAILS 6.0: ACTION MAILBOX
    

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69. RAILS 6.0: ACTION TEXT
    

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70. RAILS 6.0:
    ACTION [TEXT && MAILBOX]
    OUT OF THE
    
    

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71. THE SMALL
    BUT
    SIGNIFICANT
    

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72. RAILS 6.0: ACTION CABLE TESTING
    *ALSO IN
    RSPEC 4
    

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73. #saintprubyconf @ssnickolay
    RAILS 6.0: BULK INSERTS
    # Insert multiple records, performing an upsert
    # when records have duplicate ISBNs
    Book.upsert_all([
    { title: 'Rework', author: 'David', isbn: '1' },
    { title: 'Eloquent Ruby', author: 'Russ', isbn: '1' }
    ],
    unique_by: { columns: %w[ isbn ] })
    *gem ‘activerecord-import`
    

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74. #saintprubyconf @ssnickolay
    RAILS 6.0:
    MULTI DB && BULK INSERT &&
    PARALLEL TESTING
    OUT OF THE
    
    

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75. #saintprubyconf @ssnickolay
    RAILS 5.2 !-> RAILS 6.1
    !->
    … … !-> carrierwave
    ‘active_storage’
    

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76. BUT ON
    THE OTHER
    HAND…
    

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77. #saintprubyconf @ssnickolay
    RAILS != RUBY
    ☠ ‘octopus’
    ☠ ‘multiverse’
    ☠ ‘parallel_tests’
    ☠ ‘activerecord-import’
    

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78. RAILS 6.0: B-SIDES AND RARITIES
    evilmartians.com/chronicles
    

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79. #saintprubyconf @ssnickolay
    RAILS 6.0: OTHER
    https://bogdanvlviv.com/posts/ruby/rails/what-is-new-in-rails-6_0.html#other-links
    

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80. @bogdanvlviv
    COMMUNITY
    WE SHOULD BE GRATEFUL FOR THE WORK THEY DO
    A HUGE JOB
    

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81. @bogdanvlviv
    COMMUNITY
    WE SHOULD BE GRATEFUL FOR THE WORK THEY DO
    

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82. #saintprubyconf @ssnickolay
    expect(Rails6).to be_revolutionary
    RSpec!::Expectations!::ExpectationNotMetError:
    expected: revolutionary value
    got: evolutionary
    RAILS 6.0: EXPECTATIONS
    

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83. #saintprubyconf @ssnickolay
    FRESH BLOOD
    LIKE…
    RAILS 7.0?: REVOLUTION
    

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84. #saintprubyconf @ssnickolay
    RAILS 7.0?: REVOLUTION
    

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85. #saintprubyconf @ssnickolay
    RAILS 7.0?: REVOLUTION
    VIEWS
    ECTO
    CONTEXTS
    

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86. #saintprubyconf @ssnickolay
    RAILS 7.0?: REVOLUTION
    VIEWS
    ECTO
    CONTEXTS
    
    

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87. I am thinking
    about the
    Rails future
    will their community accept
    

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88. I am thinking
    about the
    Rails future
    Have you heard
    about Hanami?
    

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89. #saintprubyconf @ssnickolay
    RAILS 3.0
    MERGE OF
    MERB AND RAILS
    

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90. #saintprubyconf @ssnickolay
    RAILS 7.0 ???
    MERGE OF
    HANAMI AND RAILS
    

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91. #saintprubyconf @ssnickolay
    RAILS 7.0 ???
    MERGE OF
    HANAMI AND RAILS
    

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92. #saintprubyconf @ssnickolay
    I ♥ RAILS
    

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93. #saintprubyconf @ssnickolay
    I RAILS
    DEVELOPERS*
    

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94. #saintprubyconf @ssnickolay
    I RAILS
    DEVELOPERS*
    

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95. #saintprubyconf @ssnickolay
    OSS PROJECT’S COMMUNITY
    I WANT FEATURE X
    DON'T TOUCH ANYTHING
    CAN I USE IT
    ON WINDOWS?
    YOU ARE DEVELOPING
    TOO SLOWLY. I LEAVE!
    AGAIN BREAKING CHANGES.
    GO TO HELL!
    YOUR DOCS
    IS OUT OF DATE.
    DOES NOT WORK
    WITH RUBY 1.9.3
    

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96. #saintprubyconf @ssnickolay
    OSS PROJECT’S COMMUNITY
    I WANT FEATURE X
    YOU ARE DEVELOPING
    TOO SLOWLY. I LEAVE!
    AGAIN BREAKING CHANGES.
    GO TO HELL!
    YOUR DOCS
    IS OUT OF DATE.
    DOES NOT WORK
    WITH RUBY 1.9.3
    WE MISS YOU
    NICK
    CAN I USE IT
    ON WINDOWS?
    

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97. #saintprubyconf @ssnickolay
    OSS PROJECT’S COMMUNITY
    I WANT FEATURE X
    DON'T TOUCH ANYTHING
    YOU ARE DEVELOPING
    TOO SLOWLY. I LEAVE!
    AGAIN BREAKING CHANGES.
    GO TO HELL!
    YOUR DOCS
    IS OUT OF DATE.
    DOES NOT WORK
    WITH RUBY 1.9.3
    DUKE NUKEM
    CAN I USE IT
    ON WINDOWS?
    

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98. #saintprubyconf @ssnickolay
    DHH IS
    COOL
    

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99. #saintprubyconf @ssnickolay
    https://rubyonrails.org/doctrine/
    

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100. #saintprubyconf @ssnickolay
     QUIZ*
     

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101. DHH HAS NEVER BEEN IN RUSSIA
     

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102. #saintprubyconf @ssnickolay
     ANYTHING
     NEW
     RAILS 6?
     

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103. #saintprubyconf @ssnickolay
     ANYTHING
     NEW
     RAILS 6?
     NO
     

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104. #saintprubyconf @ssnickolay
     ANYTHING
     NEW
     RAILS 6?
     BUT
     

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105. #saintprubyconf @ssnickolay
     ANYTHING
     NEW
     RAILS 6?
     YES
     

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106. #saintprubyconf @ssnickolay
     vs
     

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107. #saintprubyconf @ssnickolay
     vs
     JUST CHOOSE WHICH SIDE YOU ARE ON
     

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108. @ssnickolay
     Nikolay Sverchkov
     @ssnickolay
     THANK YOU!
     @evilmartians
     http://evl.ms/blog
     http://evl.ms/telegram
     

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