diff options
Diffstat (limited to 'activesupport')
| -rw-r--r-- | activesupport/CHANGELOG.md | 20 | ||||
| -rw-r--r-- | activesupport/lib/active_support/core_ext/hash/keys.rb | 54 | ||||
| -rw-r--r-- | activesupport/lib/active_support/core_ext/module/delegation.rb | 38 | ||||
| -rw-r--r-- | activesupport/lib/active_support/subscriber.rb | 11 | ||||
| -rw-r--r-- | activesupport/lib/active_support/values/time_zone.rb | 139 | ||||
| -rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 22 | ||||
| -rw-r--r-- | activesupport/test/core_ext/module_test.rb | 2 | ||||
| -rw-r--r-- | activesupport/test/subscriber_test.rb | 25 |
8 files changed, 191 insertions, 120 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index 77224a208a..2a992f60bb 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,3 +1,21 @@ +* `Hash#deep_transform_keys` and `Hash#deep_transform_keys!` now transform hashes + in nested arrays. This change also applies to `Hash#deep_stringify_keys`, + `Hash#deep_stringify_keys!`, `Hash#deep_symbolize_keys` and + `Hash#deep_symbolize_keys!`. + + *OZAWA Sakuro* + +* Fixed confusing `DelegationError` in `Module#delegate`. + + See #15186. + + *Vladimir Yarotsky* + +* Fixed `ActiveSupport::Subscriber` so that no duplicate subscriber is created + when a subscriber method is redefined. + + *Dennis Schön* + * Remove deprecated string based terminators for `ActiveSupport::Callbacks`. *Eileen M. Uchitelle* @@ -7,7 +25,7 @@ convert a value that is an `ActiveSupport::SafeBuffer` introduced in 2da9d67. - For more info see #15064. + See #15064. *Mark J. Titorenko* diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb index 3d41aa8572..28536e32a4 100644 --- a/activesupport/lib/active_support/core_ext/hash/keys.rb +++ b/activesupport/lib/active_support/core_ext/hash/keys.rb @@ -75,34 +75,26 @@ class Hash # Returns a new hash with all keys converted by the block operation. # This includes the keys from the root hash and from all - # nested hashes. + # nested hashes and arrays. # # hash = { person: { name: 'Rob', age: '28' } } # # hash.deep_transform_keys{ |key| key.to_s.upcase } # # => {"PERSON"=>{"NAME"=>"Rob", "AGE"=>"28"}} def deep_transform_keys(&block) - result = {} - each do |key, value| - result[yield(key)] = value.is_a?(Hash) ? value.deep_transform_keys(&block) : value - end - result + _deep_transform_keys_in_object(self, &block) end # Destructively convert all keys by using the block operation. # This includes the keys from the root hash and from all - # nested hashes. + # nested hashes and arrays. def deep_transform_keys!(&block) - keys.each do |key| - value = delete(key) - self[yield(key)] = value.is_a?(Hash) ? value.deep_transform_keys!(&block) : value - end - self + _deep_transform_keys_in_object!(self, &block) end # Returns a new hash with all keys converted to strings. # This includes the keys from the root hash and from all - # nested hashes. + # nested hashes and arrays. # # hash = { person: { name: 'Rob', age: '28' } } # @@ -114,14 +106,14 @@ class Hash # Destructively convert all keys to strings. # This includes the keys from the root hash and from all - # nested hashes. + # nested hashes and arrays. def deep_stringify_keys! deep_transform_keys!{ |key| key.to_s } end # Returns a new hash with all keys converted to symbols, as long as # they respond to +to_sym+. This includes the keys from the root hash - # and from all nested hashes. + # and from all nested hashes and arrays. # # hash = { 'person' => { 'name' => 'Rob', 'age' => '28' } } # @@ -133,8 +125,38 @@ class Hash # Destructively convert all keys to symbols, as long as they respond # to +to_sym+. This includes the keys from the root hash and from all - # nested hashes. + # nested hashes and arrays. def deep_symbolize_keys! deep_transform_keys!{ |key| key.to_sym rescue key } end + + private + # support methods for deep transforming nested hashes and arrays + def _deep_transform_keys_in_object(object, &block) + case object + when Hash + object.each_with_object({}) do |(key, value), result| + result[yield(key)] = _deep_transform_keys_in_object(value, &block) + end + when Array + object.map {|e| _deep_transform_keys_in_object(e, &block) } + else + object + end + end + + def _deep_transform_keys_in_object!(object, &block) + case object + when Hash + object.keys.each do |key| + value = object.delete(key) + object[yield(key)] = _deep_transform_keys_in_object!(value, &block) + end + object + when Array + object.map! {|e| _deep_transform_keys_in_object!(e, &block)} + else + object + end + end end diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index f855833a24..e926392952 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -170,38 +170,26 @@ class Module # methods still accept two arguments. definition = (method =~ /[^\]]=$/) ? 'arg' : '*args, &block' - # The following generated methods call the target exactly once, storing + # The following generated method calls the target exactly once, storing # the returned value in a dummy variable. # # Reason is twofold: On one hand doing less calls is in general better. # On the other hand it could be that the target has side-effects, # whereas conceptually, from the user point of view, the delegator should # be doing one call. - if allow_nil - method_def = [ - "def #{method_prefix}#{method}(#{definition})", # def customer_name(*args, &block) - "_ = #{to}", # _ = client - "if !_.nil? || nil.respond_to?(:#{method})", # if !_.nil? || nil.respond_to?(:name) - " _.#{method}(#{definition})", # _.name(*args, &block) - "end", # end - "end" # end - ].join ';' - else - exception = %(raise DelegationError, "#{self}##{method_prefix}#{method} delegated to #{to}.#{method}, but #{to} is nil: \#{self.inspect}") - method_def = [ - "def #{method_prefix}#{method}(#{definition})", # def customer_name(*args, &block) - " _ = #{to}", # _ = client - " _.#{method}(#{definition})", # _.name(*args, &block) - "rescue NoMethodError => e", # rescue NoMethodError => e - " if _.nil? && e.name == :#{method}", # if _.nil? && e.name == :name - " #{exception}", # # add helpful message to the exception - " else", # else - " raise", # raise - " end", # end - "end" # end - ].join ';' - end + exception = %(raise DelegationError, "#{self}##{method_prefix}#{method} delegated to #{to}.#{method}, but #{to} is nil: \#{self.inspect}") + + method_def = [ + "def #{method_prefix}#{method}(#{definition})", + " _ = #{to}", + " if !_.nil? || nil.respond_to?(:#{method})", + " _.#{method}(#{definition})", + " else", + " #{exception unless allow_nil}", + " end", + "end" + ].join ';' module_eval(method_def, file, line) end diff --git a/activesupport/lib/active_support/subscriber.rb b/activesupport/lib/active_support/subscriber.rb index 4b9b48539f..98be78b41b 100644 --- a/activesupport/lib/active_support/subscriber.rb +++ b/activesupport/lib/active_support/subscriber.rb @@ -64,12 +64,21 @@ module ActiveSupport def add_event_subscriber(event) return if %w{ start finish }.include?(event.to_s) - notifier.subscribe("#{event}.#{namespace}", subscriber) + pattern = "#{event}.#{namespace}" + + # don't add multiple subscribers (eg. if methods are redefined) + return if subscriber.patterns.include?(pattern) + + subscriber.patterns << pattern + notifier.subscribe(pattern, subscriber) end end + attr_reader :patterns # :nodoc: + def initialize @queue_key = [self.class.name, object_id].join "-" + @patterns = [] super end diff --git a/activesupport/lib/active_support/values/time_zone.rb b/activesupport/lib/active_support/values/time_zone.rb index 72efb09fbe..ee62523824 100644 --- a/activesupport/lib/active_support/values/time_zone.rb +++ b/activesupport/lib/active_support/values/time_zone.rb @@ -188,16 +188,72 @@ module ActiveSupport @lazy_zones_map = ThreadSafe::Cache.new - # Assumes self represents an offset from UTC in seconds (as returned from - # Time#utc_offset) and turns this into an +HH:MM formatted string. - # - # TimeZone.seconds_to_utc_offset(-21_600) # => "-06:00" - def self.seconds_to_utc_offset(seconds, colon = true) - format = colon ? UTC_OFFSET_WITH_COLON : UTC_OFFSET_WITHOUT_COLON - sign = (seconds < 0 ? '-' : '+') - hours = seconds.abs / 3600 - minutes = (seconds.abs % 3600) / 60 - format % [sign, hours, minutes] + class << self + # Assumes self represents an offset from UTC in seconds (as returned from + # Time#utc_offset) and turns this into an +HH:MM formatted string. + # + # TimeZone.seconds_to_utc_offset(-21_600) # => "-06:00" + def seconds_to_utc_offset(seconds, colon = true) + format = colon ? UTC_OFFSET_WITH_COLON : UTC_OFFSET_WITHOUT_COLON + sign = (seconds < 0 ? '-' : '+') + hours = seconds.abs / 3600 + minutes = (seconds.abs % 3600) / 60 + format % [sign, hours, minutes] + end + + def find_tzinfo(name) + TZInfo::TimezoneProxy.new(MAPPING[name] || name) + end + + alias_method :create, :new + + # Returns a TimeZone instance with the given name, or +nil+ if no + # such TimeZone instance exists. (This exists to support the use of + # this class with the +composed_of+ macro.) + def new(name) + self[name] + end + + # Returns an array of all TimeZone objects. There are multiple + # TimeZone objects per time zone, in many cases, to make it easier + # for users to find their own time zone. + def all + @zones ||= zones_map.values.sort + end + + def zones_map + @zones_map ||= begin + MAPPING.each_key {|place| self[place]} # load all the zones + @lazy_zones_map + end + end + + # Locate a specific time zone object. If the argument is a string, it + # is interpreted to mean the name of the timezone to locate. If it is a + # numeric value it is either the hour offset, or the second offset, of the + # timezone to find. (The first one with that offset will be returned.) + # Returns +nil+ if no such time zone is known to the system. + def [](arg) + case arg + when String + begin + @lazy_zones_map[arg] ||= create(arg).tap { |tz| tz.utc_offset } + rescue TZInfo::InvalidTimezoneIdentifier + nil + end + when Numeric, ActiveSupport::Duration + arg *= 3600 if arg.abs <= 13 + all.find { |z| z.utc_offset == arg.to_i } + else + raise ArgumentError, "invalid argument to TimeZone[]: #{arg.inspect}" + end + end + + # A convenience method for returning a collection of TimeZone objects + # for time zones in the USA. + def us_zones + @us_zones ||= all.find_all { |z| z.name =~ /US|Arizona|Indiana|Hawaii|Alaska/ } + end end include Comparable @@ -361,66 +417,9 @@ module ActiveSupport tzinfo.periods_for_local(time) end - def self.find_tzinfo(name) - TZInfo::TimezoneProxy.new(MAPPING[name] || name) - end - - class << self - alias_method :create, :new - - # Returns a TimeZone instance with the given name, or +nil+ if no - # such TimeZone instance exists. (This exists to support the use of - # this class with the +composed_of+ macro.) - def new(name) - self[name] - end - - # Returns an array of all TimeZone objects. There are multiple - # TimeZone objects per time zone, in many cases, to make it easier - # for users to find their own time zone. - def all - @zones ||= zones_map.values.sort - end - - def zones_map - @zones_map ||= begin - MAPPING.each_key {|place| self[place]} # load all the zones - @lazy_zones_map - end - end - - # Locate a specific time zone object. If the argument is a string, it - # is interpreted to mean the name of the timezone to locate. If it is a - # numeric value it is either the hour offset, or the second offset, of the - # timezone to find. (The first one with that offset will be returned.) - # Returns +nil+ if no such time zone is known to the system. - def [](arg) - case arg - when String - begin - @lazy_zones_map[arg] ||= create(arg).tap { |tz| tz.utc_offset } - rescue TZInfo::InvalidTimezoneIdentifier - nil - end - when Numeric, ActiveSupport::Duration - arg *= 3600 if arg.abs <= 13 - all.find { |z| z.utc_offset == arg.to_i } - else - raise ArgumentError, "invalid argument to TimeZone[]: #{arg.inspect}" - end - end - - # A convenience method for returning a collection of TimeZone objects - # for time zones in the USA. - def us_zones - @us_zones ||= all.find_all { |z| z.name =~ /US|Arizona|Indiana|Hawaii|Alaska/ } - end - end - private - - def time_now - Time.now - end + def time_now + Time.now + end end end diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index ad354a4c30..cb706d77c2 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -46,6 +46,10 @@ class HashExtTest < ActiveSupport::TestCase @nested_illegal_symbols = { [] => { [] => 3} } @upcase_strings = { 'A' => 1, 'B' => 2 } @nested_upcase_strings = { 'A' => { 'B' => { 'C' => 3 } } } + @string_array_of_hashes = { 'a' => [ { 'b' => 2 }, { 'c' => 3 }, 4 ] } + @symbol_array_of_hashes = { :a => [ { :b => 2 }, { :c => 3 }, 4 ] } + @mixed_array_of_hashes = { :a => [ { :b => 2 }, { 'c' => 3 }, 4 ] } + @upcase_array_of_hashes = { 'A' => [ { 'B' => 2 }, { 'C' => 3 }, 4 ] } end def test_methods @@ -84,6 +88,9 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @nested_upcase_strings, @nested_symbols.deep_transform_keys{ |key| key.to_s.upcase } assert_equal @nested_upcase_strings, @nested_strings.deep_transform_keys{ |key| key.to_s.upcase } assert_equal @nested_upcase_strings, @nested_mixed.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @string_array_of_hashes.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @symbol_array_of_hashes.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @mixed_array_of_hashes.deep_transform_keys{ |key| key.to_s.upcase } end def test_deep_transform_keys_not_mutates @@ -109,6 +116,9 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @nested_upcase_strings, @nested_symbols.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } assert_equal @nested_upcase_strings, @nested_strings.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } assert_equal @nested_upcase_strings, @nested_mixed.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @string_array_of_hashes.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @symbol_array_of_hashes.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @mixed_array_of_hashes.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } end def test_deep_transform_keys_with_bang_mutates @@ -134,6 +144,9 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @nested_symbols, @nested_symbols.deep_symbolize_keys assert_equal @nested_symbols, @nested_strings.deep_symbolize_keys assert_equal @nested_symbols, @nested_mixed.deep_symbolize_keys + assert_equal @symbol_array_of_hashes, @string_array_of_hashes.deep_symbolize_keys + assert_equal @symbol_array_of_hashes, @symbol_array_of_hashes.deep_symbolize_keys + assert_equal @symbol_array_of_hashes, @mixed_array_of_hashes.deep_symbolize_keys end def test_deep_symbolize_keys_not_mutates @@ -159,6 +172,9 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @nested_symbols, @nested_symbols.deep_dup.deep_symbolize_keys! assert_equal @nested_symbols, @nested_strings.deep_dup.deep_symbolize_keys! assert_equal @nested_symbols, @nested_mixed.deep_dup.deep_symbolize_keys! + assert_equal @symbol_array_of_hashes, @string_array_of_hashes.deep_dup.deep_symbolize_keys! + assert_equal @symbol_array_of_hashes, @symbol_array_of_hashes.deep_dup.deep_symbolize_keys! + assert_equal @symbol_array_of_hashes, @mixed_array_of_hashes.deep_dup.deep_symbolize_keys! end def test_deep_symbolize_keys_with_bang_mutates @@ -204,6 +220,9 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @nested_strings, @nested_symbols.deep_stringify_keys assert_equal @nested_strings, @nested_strings.deep_stringify_keys assert_equal @nested_strings, @nested_mixed.deep_stringify_keys + assert_equal @string_array_of_hashes, @string_array_of_hashes.deep_stringify_keys + assert_equal @string_array_of_hashes, @symbol_array_of_hashes.deep_stringify_keys + assert_equal @string_array_of_hashes, @mixed_array_of_hashes.deep_stringify_keys end def test_deep_stringify_keys_not_mutates @@ -229,6 +248,9 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @nested_strings, @nested_symbols.deep_dup.deep_stringify_keys! assert_equal @nested_strings, @nested_strings.deep_dup.deep_stringify_keys! assert_equal @nested_strings, @nested_mixed.deep_dup.deep_stringify_keys! + assert_equal @string_array_of_hashes, @string_array_of_hashes.deep_dup.deep_stringify_keys! + assert_equal @string_array_of_hashes, @symbol_array_of_hashes.deep_dup.deep_stringify_keys! + assert_equal @string_array_of_hashes, @mixed_array_of_hashes.deep_dup.deep_stringify_keys! end def test_deep_stringify_keys_with_bang_mutates diff --git a/activesupport/test/core_ext/module_test.rb b/activesupport/test/core_ext/module_test.rb index ff6e21854e..380f5ad42b 100644 --- a/activesupport/test/core_ext/module_test.rb +++ b/activesupport/test/core_ext/module_test.rb @@ -72,7 +72,7 @@ Product = Struct.new(:name) do def type @type ||= begin - nil.type_name + :thing_without_same_method_name_as_delegated.name end end end diff --git a/activesupport/test/subscriber_test.rb b/activesupport/test/subscriber_test.rb index 253411aa3d..8be8c51f07 100644 --- a/activesupport/test/subscriber_test.rb +++ b/activesupport/test/subscriber_test.rb @@ -4,20 +4,27 @@ require 'active_support/subscriber' class TestSubscriber < ActiveSupport::Subscriber attach_to :doodle - cattr_reader :event + cattr_reader :events def self.clear - @@event = nil + @@events = [] end def open_party(event) - @@event = event + events << event end private def private_party(event) - @@event = event + events << event + end +end + +# Monkey patch subscriber to test that only one subscriber per method is added. +class TestSubscriber + def open_party(event) + events << event end end @@ -29,12 +36,18 @@ class SubscriberTest < ActiveSupport::TestCase def test_attaches_subscribers ActiveSupport::Notifications.instrument("open_party.doodle") - assert_equal "open_party.doodle", TestSubscriber.event.name + assert_equal "open_party.doodle", TestSubscriber.events.first.name + end + + def test_attaches_only_one_subscriber + ActiveSupport::Notifications.instrument("open_party.doodle") + + assert_equal 1, TestSubscriber.events.size end def test_does_not_attach_private_methods ActiveSupport::Notifications.instrument("private_party.doodle") - assert_nil TestSubscriber.event + assert_equal TestSubscriber.events, [] end end |