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rails--rails/activesupport/CHANGELOG.md

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  • Fix ActiveSupport::TimeZone#strptime. Support for timestamps in format of seconds (%s) and milliseconds (%Q).

    Fixes #26840.

    Lev Denisov

  • Fix DateAndTime::Calculations#copy_time_to. Copy nsec instead of usec.

    Jumping forward or backward between weeks now preserves nanosecond digits.

    Josua Schmid

  • Fix ActiveSupport::TimeWithZone#in across DST boundaries.

    Previously calls to in were being sent to the non-DST aware method Time#since via method_missing. It is now aliased to the DST aware ActiveSupport::TimeWithZone#+ which handles transitions across DST boundaries, e.g:

    Time.zone = "US/Eastern"
    
    t = Time.zone.local(2016,11,6,1)
    # => Sun, 06 Nov 2016 01:00:00 EDT -05:00 
    
    t.in(1.hour)
    # => Sun, 06 Nov 2016 01:00:00 EST -05:00 
    

    Fixes #26580.

    Thomas Balthazar

  • Remove unused parameter options = nil for #clear of ActiveSupport::Cache::Strategy::LocalCache::LocalStore and ActiveSupport::Cache::Strategy::LocalCache.

    Yosuke Kabuto

  • Fix thread_mattr_accessor subclass no longer overwrites parent.

    Assigning a value to a subclass using thread_mattr_accessor no longer changes the value of the parent class. This brings the behavior inline with the documentation.

    Given:

    class Account
      thread_mattr_accessor :user
    end
    
    class Customer < Account
    end
    
    Account.user = "DHH"
    Customer.user = "Rafael"
    

    Before:

    Account.user  # => "Rafael"
    

    After:

    Account.user  # => "DHH"
    

    Shinichi Maeshima

  • Since weeks are no longer converted to days, add :weeks to the list of parts that ActiveSupport::TimeWithZone will recognize as possibly being of variable duration to take account of DST transitions.

    Fixes #26039.

    Andrew White

  • Defines Regexp.match? for Ruby versions prior to 2.4. The predicate has the same interface, but it does not have the performance boost. Its purpose is to be able to write 2.4 compatible code.

    Xavier Noria

  • Allow MessageEncryptor to take advantage of authenticated encryption modes.

    AEAD modes like aes-256-gcm provide both confidentiality and data authenticity, eliminating the need to use MessageVerifier to check if the encrypted data has been tampered with. This speeds up encryption/decryption and results in shorter cipher text.

    Bart de Water

  • Introduce assert_changes and assert_no_changes.

    assert_changes is a more general assert_difference that works with any value.

    assert_changes 'Error.current', from: nil, to: 'ERR' do
      expected_bad_operation
    end
    

    Can be called with strings, to be evaluated in the binding (context) of the block given to the assertion, or a lambda.

    assert_changes -> { Error.current }, from: nil, to: 'ERR' do
      expected_bad_operation
    end
    

    The from and to arguments are compared with the case operator (===).

    assert_changes 'Error.current', from: nil, to: Error do
      expected_bad_operation
    end
    

    This is pretty useful, if you need to loosely compare a value. For example, you need to test a token has been generated and it has that many random characters.

    user = User.start_registration
    assert_changes 'user.token', to: /\w{32}/ do
      user.finish_registration
    end
    

    Genadi Samokovarov

  • Add :fallback_string option to Array#to_sentence. If an empty array calls the function and a fallback string option is set then it returns the fallback string other than an empty string.

    Mohamed Osama

  • Fix ActiveSupport::TimeZone#strptime. Now raises ArgumentError when the given time doesn't match the format. The error is the same as the one given by Ruby's Date.strptime. Previously it raised NoMethodError: undefined method empty? for nil:NilClass. due to a bug.

    Fixes #25701.

    John Gesimondo

  • travel/travel_to travel time helpers, now raise on nested calls, as this can lead to confusing time stubbing.

    Instead of:

     travel_to 2.days.from_now do
       # 2 days from today
       travel_to 3.days.from_now do
         # 5 days from today
       end
     end
    

    preferred way to achieve above is:

     travel 2.days do
       # 2 days from today
     end
    
     travel 5.days do
       # 5 days from today
     end
    

    Vipul A M

  • Support parsing JSON time in ISO8601 local time strings in ActiveSupport::JSON.decode when parse_json_times is enabled. Strings in the format of YYYY-MM-DD hh:mm:ss (without a Z at the end) will be parsed in the local timezone (Time.zone). In addition, date strings (YYYY-MM-DD) are now parsed into Date objects.

    Grzegorz Witek

  • Fixed ActiveSupport::Logger.broadcast so that calls to #silence now properly delegate to all loggers. Silencing now properly suppresses logging to both the log and the console.

    Kevin McPhillips

  • Remove deprecated arguments in assert_nothing_raised.

    Rafel Mendonça França

  • Date.to_s doesn't produce too many spaces. For example, to_s(:short) will now produce 01 Feb instead of 1 Feb.

    Fixes #25251.

    Sean Griffin

  • Introduce Module#delegate_missing_to.

    When building a decorator, a common pattern emerges:

    class Partition
      def initialize(first_event)
        @events = [ first_event ]
      end
    
      def people
        if @events.first.detail.people.any?
          @events.collect { |e| Array(e.detail.people) }.flatten.uniq
        else
          @events.collect(&:creator).uniq
        end
      end
    
      private
        def respond_to_missing?(name, include_private = false)
          @events.respond_to?(name, include_private)
        end
    
        def method_missing(method, *args, &block)
          @events.send(method, *args, &block)
        end
    end
    

    With Module#delegate_missing_to, the above is condensed to:

    class Partition
      delegate_missing_to :@events
    
      def initialize(first_event)
        @events = [ first_event ]
      end
    
      def people
        if @events.first.detail.people.any?
          @events.collect { |e| Array(e.detail.people) }.flatten.uniq
        else
          @events.collect(&:creator).uniq
        end
      end
    end
    

    Genadi Samokovarov, DHH

  • Rescuable: If a handler doesn't match the exception, check for handlers matching the exception's cause.

    Jeremy Daer

Please check 5-0-stable for previous changes.