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-rw-r--r--activesupport/lib/active_support/cache.rb90
-rw-r--r--activesupport/lib/active_support/cache/redis_cache_store.rb404
-rw-r--r--activesupport/lib/active_support/deprecation/constant_accessor.rb4
-rw-r--r--activesupport/lib/active_support/deprecation/proxy_wrappers.rb3
-rw-r--r--activesupport/lib/active_support/encrypted_configuration.rb8
-rw-r--r--activesupport/lib/active_support/encrypted_file.rb2
-rw-r--r--activesupport/lib/active_support/inflector/inflections.rb20
-rw-r--r--activesupport/lib/active_support/inflector/methods.rb4
-rw-r--r--activesupport/lib/active_support/reloader.rb3
-rw-r--r--activesupport/lib/active_support/test_case.rb1
-rw-r--r--activesupport/lib/active_support/values/time_zone.rb4
11 files changed, 486 insertions, 57 deletions
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index 976104e0c4..395aa5e8f1 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -12,10 +12,11 @@ require "active_support/core_ext/string/inflections"
module ActiveSupport
# See ActiveSupport::Cache::Store for documentation.
module Cache
- autoload :FileStore, "active_support/cache/file_store"
- autoload :MemoryStore, "active_support/cache/memory_store"
- autoload :MemCacheStore, "active_support/cache/mem_cache_store"
- autoload :NullStore, "active_support/cache/null_store"
+ autoload :FileStore, "active_support/cache/file_store"
+ autoload :MemoryStore, "active_support/cache/memory_store"
+ autoload :MemCacheStore, "active_support/cache/mem_cache_store"
+ autoload :NullStore, "active_support/cache/null_store"
+ autoload :RedisCacheStore, "active_support/cache/redis_cache_store"
# These options mean something to all cache implementations. Individual cache
# implementations may support additional options.
@@ -90,11 +91,16 @@ module ActiveSupport
private
def retrieve_cache_key(key)
case
- when key.respond_to?(:cache_key_with_version) then key.cache_key_with_version
- when key.respond_to?(:cache_key) then key.cache_key
- when key.is_a?(Array) then key.map { |element| retrieve_cache_key(element) }.to_param
- when key.respond_to?(:to_a) then retrieve_cache_key(key.to_a)
- else key.to_param
+ when key.respond_to?(:cache_key_with_version)
+ key.cache_key_with_version
+ when key.respond_to?(:cache_key)
+ key.cache_key
+ when key.is_a?(Hash)
+ key.sort_by { |k, _| k.to_s }.collect { |k, v| "#{k}=#{v}" }.to_param
+ when key.respond_to?(:to_a)
+ key.to_a.collect { |element| retrieve_cache_key(element) }.to_param
+ else
+ key.to_param
end.to_s
end
@@ -148,12 +154,11 @@ module ActiveSupport
# cache.namespace = -> { @last_mod_time } # Set the namespace to a variable
# @last_mod_time = Time.now # Invalidate the entire cache by changing namespace
#
- # Caches can also store values in a compressed format to save space and
- # reduce time spent sending data. Since there is overhead, values must be
- # large enough to warrant compression. To turn on compression either pass
- # <tt>compress: true</tt> in the initializer or as an option to +fetch+
- # or +write+. To specify the threshold at which to compress values, set the
- # <tt>:compress_threshold</tt> option. The default threshold is 16K.
+ # Cached data larger than 1kB are compressed by default. To turn off
+ # compression, pass <tt>compress: false</tt> to the initializer or to
+ # individual +fetch+ or +write+ method calls. The 1kB compression
+ # threshold is configurable with the <tt>:compress_threshold</tt> option,
+ # specified in bytes.
class Store
cattr_accessor :logger, instance_writer: true
@@ -212,8 +217,7 @@ module ActiveSupport
# ask whether you should force a cache write. Otherwise, it's clearer to
# just call <tt>Cache#write</tt>.
#
- # Setting <tt>:compress</tt> will store a large cache entry set by the call
- # in a compressed format.
+ # Setting <tt>compress: false</tt> disables compression of the cache entry.
#
# Setting <tt>:expires_in</tt> will set an expiration time on the cache.
# All caches support auto-expiring content after a specified number of
@@ -562,34 +566,34 @@ module ActiveSupport
end
end
- # Prefixes a key with the namespace. Namespace and key will be delimited
- # with a colon.
- def normalize_key(key, options)
- key = expanded_key(key)
- namespace = options[:namespace] if options
- prefix = namespace.is_a?(Proc) ? namespace.call : namespace
- key = "#{prefix}:#{key}" if prefix
- key
+ # Expands and namespaces the cache key. May be overridden by
+ # cache stores to do additional normalization.
+ def normalize_key(key, options = nil)
+ namespace_key Cache.expand_cache_key(key), options
end
- # Expands key to be a consistent string value. Invokes +cache_key+ if
- # object responds to +cache_key+. Otherwise, +to_param+ method will be
- # called. If the key is a Hash, then keys will be sorted alphabetically.
- def expanded_key(key)
- return key.cache_key.to_s if key.respond_to?(:cache_key)
+ # Prefix the key with a namespace string:
+ #
+ # namespace_key 'foo', namespace: 'cache'
+ # # => 'cache:foo'
+ #
+ # With a namespace block:
+ #
+ # namespace_key 'foo', namespace: -> { 'cache' }
+ # # => 'cache:foo'
+ def namespace_key(key, options = nil)
+ options = merged_options(options)
+ namespace = options[:namespace]
- case key
- when Array
- if key.size > 1
- key = key.collect { |element| expanded_key(element) }
- else
- key = key.first
- end
- when Hash
- key = key.sort_by { |k, _| k.to_s }.collect { |k, v| "#{k}=#{v}" }
+ if namespace.respond_to?(:call)
+ namespace = namespace.call
end
- key.to_param
+ if namespace
+ "#{namespace}:#{key}"
+ else
+ key
+ end
end
def normalize_version(key, options = nil)
@@ -658,7 +662,7 @@ module ActiveSupport
class Entry # :nodoc:
attr_reader :version
- DEFAULT_COMPRESS_LIMIT = 16.kilobytes
+ DEFAULT_COMPRESS_LIMIT = 1.kilobyte
# Creates a new cache entry for the specified value. Options supported are
# +:compress+, +:compress_threshold+, and +:expires_in+.
@@ -733,8 +737,8 @@ module ActiveSupport
private
def should_compress?(value, options)
- if value && options[:compress]
- compress_threshold = options[:compress_threshold] || DEFAULT_COMPRESS_LIMIT
+ if value && options.fetch(:compress, true)
+ compress_threshold = options.fetch(:compress_threshold, DEFAULT_COMPRESS_LIMIT)
serialized_value_size = (value.is_a?(String) ? value : Marshal.dump(value)).bytesize
return true if serialized_value_size >= compress_threshold
diff --git a/activesupport/lib/active_support/cache/redis_cache_store.rb b/activesupport/lib/active_support/cache/redis_cache_store.rb
new file mode 100644
index 0000000000..358de9203d
--- /dev/null
+++ b/activesupport/lib/active_support/cache/redis_cache_store.rb
@@ -0,0 +1,404 @@
+# frozen_string_literal: true
+
+begin
+ gem "redis", ">= 4.0.1"
+ require "redis"
+ require "redis/distributed"
+rescue LoadError
+ warn "The Redis cache store requires the redis gem, version 4.0.1 or later. Please add it to your Gemfile: `gem \"redis\", \"~> 4.0\"`"
+ raise
+end
+
+# Prefer the hiredis driver but don't require it.
+begin
+ require "redis/connection/hiredis"
+rescue LoadError
+end
+
+require "digest/sha2"
+require "active_support/core_ext/marshal"
+
+module ActiveSupport
+ module Cache
+ # Redis cache store.
+ #
+ # Deployment note: Take care to use a *dedicated Redis cache* rather
+ # than pointing this at your existing Redis server. It won't cope well
+ # with mixed usage patterns and it won't expire cache entries by default.
+ #
+ # Redis cache server setup guide: https://redis.io/topics/lru-cache
+ #
+ # * Supports vanilla Redis, hiredis, and Redis::Distributed.
+ # * Supports Memcached-like sharding across Redises with Redis::Distributed.
+ # * Fault tolerant. If the Redis server is unavailable, no exceptions are
+ # raised. Cache fetches are all misses and writes are dropped.
+ # * Local cache. Hot in-memory primary cache within block/middleware scope.
+ # * `read_/write_multi` support for Redis mget/mset. Use Redis::Distributed
+ # 4.0.1+ for distributed mget support.
+ # * `delete_matched` support for Redis KEYS globs.
+ class RedisCacheStore < Store
+ # Keys are truncated with their own SHA2 digest if they exceed 1kB
+ MAX_KEY_BYTESIZE = 1024
+
+ DEFAULT_REDIS_OPTIONS = {
+ connect_timeout: 20,
+ read_timeout: 1,
+ write_timeout: 1,
+ reconnect_attempts: 0,
+ }
+
+ DEFAULT_ERROR_HANDLER = -> (method:, returning:, exception:) {
+ logger.error { "RedisCacheStore: #{method} failed, returned #{returning.inspect}: #{e.class}: #{e.message}" } if logger
+ }
+
+ DELETE_GLOB_LUA = "for i, name in ipairs(redis.call('KEYS', ARGV[1])) do redis.call('DEL', name); end"
+ private_constant :DELETE_GLOB_LUA
+
+ # Support raw values in the local cache strategy.
+ module LocalCacheWithRaw # :nodoc:
+ private
+ def read_entry(key, options)
+ entry = super
+ if options[:raw] && local_cache && entry
+ entry = deserialize_entry(entry.value)
+ end
+ entry
+ end
+
+ def write_entry(key, entry, options)
+ if options[:raw] && local_cache
+ raw_entry = Entry.new(entry.value.to_s)
+ raw_entry.expires_at = entry.expires_at
+ super(key, raw_entry, options)
+ else
+ super
+ end
+ end
+
+ def write_multi_entries(entries, options)
+ if options[:raw] && local_cache
+ raw_entries = entries.map do |key, entry|
+ raw_entry = Entry.new(entry.value.to_s)
+ raw_entry.expires_at = entry.expires_at
+ end.to_h
+
+ super(raw_entries, options)
+ else
+ super
+ end
+ end
+ end
+
+ prepend Strategy::LocalCache
+ prepend LocalCacheWithRaw
+
+ class << self
+ # Factory method to create a new Redis instance.
+ #
+ # Handles four options: :redis block, :redis instance, single :url
+ # string, and multiple :url strings.
+ #
+ # Option Class Result
+ # :redis Proc -> options[:redis].call
+ # :redis Object -> options[:redis]
+ # :url String -> Redis.new(url: …)
+ # :url Array -> Redis::Distributed.new([{ url: … }, { url: … }, …])
+ #
+ def build_redis(redis: nil, url: nil, **redis_options) #:nodoc:
+ urls = Array(url)
+
+ if redis.respond_to?(:call)
+ redis.call
+ elsif redis
+ redis
+ elsif urls.size > 1
+ build_redis_distributed_client urls: urls, **redis_options
+ else
+ build_redis_client url: urls.first, **redis_options
+ end
+ end
+
+ private
+ def build_redis_distributed_client(urls:, **redis_options)
+ ::Redis::Distributed.new([], DEFAULT_REDIS_OPTIONS.merge(redis_options)).tap do |dist|
+ urls.each { |u| dist.add_node url: u }
+ end
+ end
+
+ def build_redis_client(url:, **redis_options)
+ ::Redis.new DEFAULT_REDIS_OPTIONS.merge(redis_options.merge(url: url))
+ end
+ end
+
+ attr_reader :redis_options
+ attr_reader :max_key_bytesize
+
+ # Creates a new Redis cache store.
+ #
+ # Handles three options: block provided to instantiate, single URL
+ # provided, and multiple URLs provided.
+ #
+ # :redis Proc -> options[:redis].call
+ # :url String -> Redis.new(url: …)
+ # :url Array -> Redis::Distributed.new([{ url: … }, { url: … }, …])
+ #
+ # No namespace is set by default. Provide one if the Redis cache
+ # server is shared with other apps: `namespace: 'myapp-cache'`.
+ #
+ # Compression is enabled by default with a 1kB threshold, so cached
+ # values larger than 1kB are automatically compressed. Disable by
+ # passing `cache: false` or change the threshold by passing
+ # `compress_threshold: 4.kilobytes`.
+ #
+ # No expiry is set on cache entries by default. Redis is expected to
+ # be configured with an eviction policy that automatically deletes
+ # least-recently or -frequently used keys when it reaches max memory.
+ # See https://redis.io/topics/lru-cache for cache server setup.
+ #
+ # Race condition TTL is not set by default. This can be used to avoid
+ # "thundering herd" cache writes when hot cache entries are expired.
+ # See <tt>ActiveSupport::Cache::Store#fetch</tt> for more.
+ def initialize(namespace: nil, compress: true, compress_threshold: 1.kilobyte, expires_in: nil, race_condition_ttl: nil, error_handler: DEFAULT_ERROR_HANDLER, **redis_options)
+ @redis_options = redis_options
+
+ @max_key_bytesize = MAX_KEY_BYTESIZE
+ @error_handler = error_handler
+
+ super namespace: namespace,
+ compress: compress, compress_threshold: compress_threshold,
+ expires_in: expires_in, race_condition_ttl: race_condition_ttl
+ end
+
+ def redis
+ @redis ||= self.class.build_redis(**redis_options)
+ end
+
+ def inspect
+ instance = @redis || @redis_options
+ "<##{self.class} options=#{options.inspect} redis=#{instance.inspect}>"
+ end
+
+ # Cache Store API implementation.
+ #
+ # Read multiple values at once. Returns a hash of requested keys ->
+ # fetched values.
+ def read_multi(*names)
+ if mget_capable?
+ read_multi_mget(*names)
+ else
+ super
+ end
+ end
+
+ # Cache Store API implementation.
+ #
+ # Supports Redis KEYS glob patterns:
+ #
+ # h?llo matches hello, hallo and hxllo
+ # h*llo matches hllo and heeeello
+ # h[ae]llo matches hello and hallo, but not hillo
+ # h[^e]llo matches hallo, hbllo, ... but not hello
+ # h[a-b]llo matches hallo and hbllo
+ #
+ # Use \ to escape special characters if you want to match them verbatim.
+ #
+ # See https://redis.io/commands/KEYS for more.
+ #
+ # Failsafe: Raises errors.
+ def delete_matched(matcher, options = nil)
+ instrument :delete_matched, matcher do
+ case matcher
+ when String
+ redis.eval DELETE_GLOB_LUA, [], [namespace_key(matcher, options)]
+ else
+ raise ArgumentError, "Only Redis glob strings are supported: #{matcher.inspect}"
+ end
+ end
+ end
+
+ # Cache Store API implementation.
+ #
+ # Increment a cached value. This method uses the Redis incr atomic
+ # operator and can only be used on values written with the :raw option.
+ # Calling it on a value not stored with :raw will initialize that value
+ # to zero.
+ #
+ # Failsafe: Raises errors.
+ def increment(name, amount = 1, options = nil)
+ instrument :increment, name, amount: amount do
+ redis.incrby normalize_key(name, options), amount
+ end
+ end
+
+ # Cache Store API implementation.
+ #
+ # Decrement a cached value. This method uses the Redis decr atomic
+ # operator and can only be used on values written with the :raw option.
+ # Calling it on a value not stored with :raw will initialize that value
+ # to zero.
+ #
+ # Failsafe: Raises errors.
+ def decrement(name, amount = 1, options = nil)
+ instrument :decrement, name, amount: amount do
+ redis.decrby normalize_key(name, options), amount
+ end
+ end
+
+ # Cache Store API implementation.
+ #
+ # Removes expired entries. Handled natively by Redis least-recently-/
+ # least-frequently-used expiry, so manual cleanup is not supported.
+ def cleanup(options = nil)
+ super
+ end
+
+ # Clear the entire cache on all Redis servers. Safe to use on
+ # shared servers if the cache is namespaced.
+ #
+ # Failsafe: Raises errors.
+ def clear(options = nil)
+ failsafe :clear do
+ if namespace = merged_options(options)[namespace]
+ delete_matched "*", namespace: namespace
+ else
+ redis.flushdb
+ end
+ end
+ end
+
+ def mget_capable? #:nodoc:
+ set_redis_capabilities unless defined? @mget_capable
+ @mget_capable
+ end
+
+ def mset_capable? #:nodoc:
+ set_redis_capabilities unless defined? @mset_capable
+ @mset_capable
+ end
+
+ private
+ def set_redis_capabilities
+ case redis
+ when Redis::Distributed
+ @mget_capable = true
+ @mset_capable = false
+ else
+ @mget_capable = true
+ @mset_capable = true
+ end
+ end
+
+ # Store provider interface:
+ # Read an entry from the cache.
+ def read_entry(key, options = nil)
+ failsafe :read_entry do
+ deserialize_entry redis.get(key)
+ end
+ end
+
+ def read_multi_mget(*names)
+ options = names.extract_options!
+ options = merged_options(options)
+
+ keys_to_names = names.map { |name| [ normalize_key(name, options), name ] }.to_h
+ values = redis.mget(*keys_to_names.keys)
+
+ keys_to_names.zip(values).each_with_object({}) do |((key, name), value), results|
+ if value
+ entry = deserialize_entry(value)
+ unless entry.nil? || entry.expired? || entry.mismatched?(normalize_version(name, options))
+ results[name] = entry.value
+ end
+ end
+ end
+ end
+
+ # Write an entry to the cache.
+ #
+ # Requires Redis 2.6.12+ for extended SET options.
+ def write_entry(key, entry, unless_exist: false, raw: false, expires_in: nil, race_condition_ttl: nil, **options)
+ value = raw ? entry.value.to_s : serialize_entry(entry)
+
+ # If race condition TTL is in use, ensure that cache entries
+ # stick around a bit longer after they would have expired
+ # so we can purposefully serve stale entries.
+ if race_condition_ttl && expires_in && expires_in > 0 && !raw
+ expires_in += 5.minutes
+ end
+
+ failsafe :write_entry do
+ if unless_exist || expires_in
+ modifiers = {}
+ modifiers[:nx] = unless_exist
+ modifiers[:px] = (1000 * expires_in.to_f).ceil if expires_in
+
+ redis.set key, value, modifiers
+ else
+ redis.set key, value
+ end
+ end
+ end
+
+ # Delete an entry from the cache.
+ def delete_entry(key, options)
+ failsafe :delete_entry, returning: false do
+ redis.del key
+ end
+ end
+
+ # Nonstandard store provider API to write multiple values at once.
+ def write_multi_entries(entries, expires_in: nil, **options)
+ if entries.any?
+ if mset_capable? && expires_in.nil?
+ failsafe :write_multi_entries do
+ redis.mapped_mset(entries)
+ end
+ else
+ super
+ end
+ end
+ end
+
+ # Truncate keys that exceed 1kB.
+ def normalize_key(key, options)
+ truncate_key super
+ end
+
+ def truncate_key(key)
+ if key.bytesize > max_key_bytesize
+ suffix = ":sha2:#{Digest::SHA2.hexdigest(key)}"
+ truncate_at = max_key_bytesize - suffix.bytesize
+ "#{key.byteslice(0, truncate_at)}#{suffix}"
+ else
+ key
+ end
+ end
+
+ def deserialize_entry(raw_value)
+ if raw_value
+ entry = Marshal.load(raw_value) rescue raw_value
+ entry.is_a?(Entry) ? entry : Entry.new(entry)
+ end
+ end
+
+ def serialize_entry(entry)
+ Marshal.dump(entry)
+ end
+
+ def failsafe(method, returning: nil)
+ yield
+ rescue ::Redis::BaseConnectionError => e
+ handle_exception exception: e, method: method, returning: returning
+ returning
+ end
+
+ def handle_exception(exception:, method:, returning:)
+ if @error_handler
+ @error_handler.(method: method, exception: exception, returning: returning)
+ end
+ rescue => failsafe
+ warn "RedisCacheStore ignored exception in handle_exception: #{failsafe.class}: #{failsafe.message}\n #{failsafe.backtrace.join("\n ")}"
+ end
+ end
+ end
+end
diff --git a/activesupport/lib/active_support/deprecation/constant_accessor.rb b/activesupport/lib/active_support/deprecation/constant_accessor.rb
index 3d7eedf637..dd515cd6f4 100644
--- a/activesupport/lib/active_support/deprecation/constant_accessor.rb
+++ b/activesupport/lib/active_support/deprecation/constant_accessor.rb
@@ -1,7 +1,5 @@
# frozen_string_literal: true
-require "active_support/inflector/methods"
-
module ActiveSupport
class Deprecation
# DeprecatedConstantAccessor transforms a constant into a deprecated one by
@@ -29,6 +27,8 @@ module ActiveSupport
# ["Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune"]
module DeprecatedConstantAccessor
def self.included(base)
+ require "active_support/inflector/methods"
+
extension = Module.new do
def const_missing(missing_const_name)
if class_variable_defined?(:@@_deprecated_constants)
diff --git a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
index f6c6648917..782ad2519c 100644
--- a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
+++ b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
@@ -1,6 +1,5 @@
# frozen_string_literal: true
-require "active_support/inflector/methods"
require "active_support/core_ext/regexp"
module ActiveSupport
@@ -125,6 +124,8 @@ module ActiveSupport
# ["Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune"]
class DeprecatedConstantProxy < DeprecationProxy
def initialize(old_const, new_const, deprecator = ActiveSupport::Deprecation.instance, message: "#{old_const} is deprecated! Use #{new_const} instead.")
+ require "active_support/inflector/methods"
+
@old_const = old_const
@new_const = new_const
@deprecator = deprecator
diff --git a/activesupport/lib/active_support/encrypted_configuration.rb b/activesupport/lib/active_support/encrypted_configuration.rb
index b403048627..c52d3869de 100644
--- a/activesupport/lib/active_support/encrypted_configuration.rb
+++ b/activesupport/lib/active_support/encrypted_configuration.rb
@@ -22,6 +22,12 @@ module ActiveSupport
""
end
+ def write(contents)
+ deserialize(contents)
+
+ super
+ end
+
def config
@config ||= deserialize(read).deep_symbolize_keys
end
@@ -36,7 +42,7 @@ module ActiveSupport
end
def deserialize(config)
- config.present? ? YAML.load(config) : {}
+ config.present? ? YAML.load(config, content_path) : {}
end
end
end
diff --git a/activesupport/lib/active_support/encrypted_file.rb b/activesupport/lib/active_support/encrypted_file.rb
index 1c4c1cb457..3d1455fb95 100644
--- a/activesupport/lib/active_support/encrypted_file.rb
+++ b/activesupport/lib/active_support/encrypted_file.rb
@@ -2,8 +2,6 @@
require "pathname"
require "active_support/message_encryptor"
-require "active_support/core_ext/string/strip"
-require "active_support/core_ext/module/delegation"
module ActiveSupport
class EncryptedFile
diff --git a/activesupport/lib/active_support/inflector/inflections.rb b/activesupport/lib/active_support/inflector/inflections.rb
index a639eddf10..0450a4be4c 100644
--- a/activesupport/lib/active_support/inflector/inflections.rb
+++ b/activesupport/lib/active_support/inflector/inflections.rb
@@ -4,6 +4,7 @@ require "concurrent/map"
require "active_support/core_ext/array/prepend_and_append"
require "active_support/core_ext/regexp"
require "active_support/i18n"
+require "active_support/deprecation"
module ActiveSupport
module Inflector
@@ -67,16 +68,21 @@ module ActiveSupport
end
attr_reader :plurals, :singulars, :uncountables, :humans, :acronyms, :acronym_regex
+ deprecate :acronym_regex
+
+ attr_reader :acronyms_camelize_regex, :acronyms_underscore_regex # :nodoc:
def initialize
- @plurals, @singulars, @uncountables, @humans, @acronyms, @acronym_regex = [], [], Uncountables.new, [], {}, /(?=a)b/
+ @plurals, @singulars, @uncountables, @humans, @acronyms = [], [], Uncountables.new, [], {}
+ define_acronym_regex_patterns
end
# Private, for the test suite.
def initialize_dup(orig) # :nodoc:
- %w(plurals singulars uncountables humans acronyms acronym_regex).each do |scope|
+ %w(plurals singulars uncountables humans acronyms).each do |scope|
instance_variable_set("@#{scope}", orig.send(scope).dup)
end
+ define_acronym_regex_patterns
end
# Specifies a new acronym. An acronym must be specified as it will appear
@@ -130,7 +136,7 @@ module ActiveSupport
# camelize 'mcdonald' # => 'McDonald'
def acronym(word)
@acronyms[word.downcase] = word
- @acronym_regex = /#{@acronyms.values.join("|")}/
+ define_acronym_regex_patterns
end
# Specifies a new pluralization rule and its replacement. The rule can
@@ -225,6 +231,14 @@ module ActiveSupport
instance_variable_set "@#{scope}", []
end
end
+
+ private
+
+ def define_acronym_regex_patterns
+ @acronym_regex = @acronyms.empty? ? /(?=a)b/ : /#{@acronyms.values.join("|")}/
+ @acronyms_camelize_regex = /^(?:#{@acronym_regex}(?=\b|[A-Z_])|\w)/
+ @acronyms_underscore_regex = /(?:(?<=([A-Za-z\d]))|\b)(#{@acronym_regex})(?=\b|[^a-z])/
+ end
end
# Yields a singleton instance of Inflector::Inflections so you can specify
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 3357b5eb32..60eeaa77cb 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -71,7 +71,7 @@ module ActiveSupport
if uppercase_first_letter
string = string.sub(/^[a-z\d]*/) { |match| inflections.acronyms[match] || match.capitalize }
else
- string = string.sub(/^(?:#{inflections.acronym_regex}(?=\b|[A-Z_])|\w)/) { |match| match.downcase }
+ string = string.sub(inflections.acronyms_camelize_regex) { |match| match.downcase }
end
string.gsub!(/(?:_|(\/))([a-z\d]*)/i) { "#{$1}#{inflections.acronyms[$2] || $2.capitalize}" }
string.gsub!("/".freeze, "::".freeze)
@@ -92,7 +92,7 @@ module ActiveSupport
def underscore(camel_cased_word)
return camel_cased_word unless /[A-Z-]|::/.match?(camel_cased_word)
word = camel_cased_word.to_s.gsub("::".freeze, "/".freeze)
- word.gsub!(/(?:(?<=([A-Za-z\d]))|\b)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1 && '_'.freeze }#{$2.downcase}" }
+ word.gsub!(inflections.acronyms_underscore_regex) { "#{$1 && '_'.freeze }#{$2.downcase}" }
word.gsub!(/([A-Z\d]+)([A-Z][a-z])/, '\1_\2'.freeze)
word.gsub!(/([a-z\d])([A-Z])/, '\1_\2'.freeze)
word.tr!("-".freeze, "_".freeze)
diff --git a/activesupport/lib/active_support/reloader.rb b/activesupport/lib/active_support/reloader.rb
index 6cd11b1a26..b26d9c3665 100644
--- a/activesupport/lib/active_support/reloader.rb
+++ b/activesupport/lib/active_support/reloader.rb
@@ -28,14 +28,17 @@ module ActiveSupport
define_callbacks :class_unload
+ # Registers a callback that will run once at application startup and every time the code is reloaded.
def self.to_prepare(*args, &block)
set_callback(:prepare, *args, &block)
end
+ # Registers a callback that will run immediately before the classes are unloaded.
def self.before_class_unload(*args, &block)
set_callback(:class_unload, *args, &block)
end
+ # Registers a callback that will run immediately after the classes are unloaded.
def self.after_class_unload(*args, &block)
set_callback(:class_unload, :after, *args, &block)
end
diff --git a/activesupport/lib/active_support/test_case.rb b/activesupport/lib/active_support/test_case.rb
index ee5286bd55..d1f7e6ea09 100644
--- a/activesupport/lib/active_support/test_case.rb
+++ b/activesupport/lib/active_support/test_case.rb
@@ -11,7 +11,6 @@ require "active_support/testing/isolation"
require "active_support/testing/constant_lookup"
require "active_support/testing/time_helpers"
require "active_support/testing/file_fixtures"
-require "active_support/core_ext/kernel/reporting"
module ActiveSupport
class TestCase < ::Minitest::Test
diff --git a/activesupport/lib/active_support/values/time_zone.rb b/activesupport/lib/active_support/values/time_zone.rb
index 4d1fbd4453..b294d99fe0 100644
--- a/activesupport/lib/active_support/values/time_zone.rb
+++ b/activesupport/lib/active_support/values/time_zone.rb
@@ -30,7 +30,7 @@ module ActiveSupport
class TimeZone
# Keys are Rails TimeZone names, values are TZInfo identifiers.
MAPPING = {
- "International Date Line West" => "Pacific/Midway",
+ "International Date Line West" => "Etc/GMT+12",
"Midway Island" => "Pacific/Midway",
"American Samoa" => "Pacific/Pago_Pago",
"Hawaii" => "Pacific/Honolulu",
@@ -506,7 +506,7 @@ module ActiveSupport
# Available so that TimeZone instances respond like TZInfo::Timezone
# instances.
def period_for_local(time, dst = true)
- tzinfo.period_for_local(time, dst)
+ tzinfo.period_for_local(time, dst) { |periods| periods.last }
end
def periods_for_local(time) #:nodoc: