diff options
25 files changed, 356 insertions, 89 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index d39e808f5b..abf6373030 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,15 @@ +* Fix insertion of records via `has_many :through` association with scope. + + Fixes #3548. + + *Ivan Antropov* + +* Auto-generate stable fixture UUIDs on PostgreSQL. + + Fixes: #11524 + + *Roderick van Domburg* + * Fixed a problem where an enum would overwrite values of another enum with the same name in an unrelated class. diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index 64bc98c642..c2eff0d8ce 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -83,12 +83,16 @@ module ActiveRecord @through_records[record.object_id] ||= begin ensure_mutable - through_record = through_association.build + through_record = through_association.build through_scope_attributes through_record.send("#{source_reflection.name}=", record) through_record end end + def through_scope_attributes + scope.where_values_hash(through_association.reflection.name.to_s) + end + def save_through_record(record) build_through_record(record).save! ensure diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index e9622ca0c1..f149d8f127 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -35,7 +35,7 @@ module ActiveRecord # # === One-to-one Example # - # class Post + # class Post < ActiveRecord::Base # has_one :author, autosave: true # end # @@ -76,7 +76,7 @@ module ActiveRecord # # When <tt>:autosave</tt> is not declared new children are saved when their parent is saved: # - # class Post + # class Post < ActiveRecord::Base # has_many :comments # :autosave option is not declared # end # @@ -95,20 +95,23 @@ module ActiveRecord # When <tt>:autosave</tt> is true all children are saved, no matter whether they # are new records or not: # - # class Post + # class Post < ActiveRecord::Base # has_many :comments, autosave: true # end # # post = Post.create(title: 'ruby rocks') # post.comments.create(body: 'hello world') # post.comments[0].body = 'hi everyone' - # post.save # => saves both post and comment, with 'hi everyone' as body + # post.comments.build(body: "good morning.") + # post.title += "!" + # post.save # => saves both post and comments. # # Destroying one of the associated models as part of the parent's save action # is as simple as marking it for destruction: # - # post.comments.last.mark_for_destruction - # post.comments.last.marked_for_destruction? # => true + # post.comments # => [#<Comment id: 1, ...>, #<Comment id: 2, ...]> + # post.comments[1].mark_for_destruction + # post.comments[1].marked_for_destruction? # => true # post.comments.length # => 2 # # Note that the model is _not_ yet removed from the database: diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index 6f134bbef8..47d32fae05 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -2,6 +2,7 @@ require 'erb' require 'yaml' require 'zlib' require 'active_support/dependencies' +require 'active_support/core_ext/securerandom' require 'active_record/fixture_set/file' require 'active_record/errors' @@ -550,9 +551,13 @@ module ActiveRecord end # Returns a consistent, platform-independent identifier for +label+. - # Identifiers are positive integers less than 2^30. - def self.identify(label) - Zlib.crc32(label.to_s) % MAX_ID + # Integer identifiers are values less than 2^30. UUIDs are RFC 4122 version 5 SHA-1 hashes. + def self.identify(label, column_type = :integer) + if column_type == :uuid + SecureRandom.uuid_v5(SecureRandom::UUID_OID_NAMESPACE, label.to_s) + else + Zlib.crc32(label.to_s) % MAX_ID + end end # Superclass for the evaluation contexts used by ERB fixtures. @@ -633,7 +638,7 @@ module ActiveRecord # generate a primary key if necessary if has_primary_key_column? && !row.include?(primary_key_name) - row[primary_key_name] = ActiveRecord::FixtureSet.identify(label) + row[primary_key_name] = ActiveRecord::FixtureSet.identify(label, primary_key_type) end # If STI is used, find the correct subclass for association reflection @@ -656,7 +661,8 @@ module ActiveRecord row[association.foreign_type] = $1 end - row[fk_name] = ActiveRecord::FixtureSet.identify(value) + fk_type = association.active_record.columns_hash[association.foreign_key].type + row[fk_name] = ActiveRecord::FixtureSet.identify(value, fk_type) end when :has_many if association.options[:through] @@ -683,6 +689,10 @@ module ActiveRecord def name @association.name end + + def primary_key_type + @association.klass.column_types[@association.klass.primary_key].type + end end class HasManyThroughProxy < ReflectionProxy # :nodoc: @@ -700,17 +710,22 @@ module ActiveRecord @primary_key_name ||= model_class && model_class.primary_key end + def primary_key_type + @primary_key_type ||= model_class && model_class.column_types[model_class.primary_key].type + end + def add_join_records(rows, row, association) # This is the case when the join table has no fixtures file if (targets = row.delete(association.name.to_s)) - table_name = association.join_table - lhs_key = association.lhs_key - rhs_key = association.rhs_key + table_name = association.join_table + column_type = association.primary_key_type + lhs_key = association.lhs_key + rhs_key = association.rhs_key targets = targets.is_a?(Array) ? targets : targets.split(/\s*,\s*/) rows[table_name].concat targets.map { |target| { lhs_key => row[primary_key_name], - rhs_key => ActiveRecord::FixtureSet.identify(target) } + rhs_key => ActiveRecord::FixtureSet.identify(target, column_type) } } end end diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 4d37ac6e2b..787f55e2e7 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -529,9 +529,9 @@ module ActiveRecord # # User.where(name: 'Oscar').where_values_hash # # => {name: "Oscar"} - def where_values_hash + def where_values_hash(relation_table_name = table_name) equalities = where_values.grep(Arel::Nodes::Equality).find_all { |node| - node.left.relation.name == table_name + node.left.relation.name == relation_table_name } binds = Hash[bind_values.find_all(&:first).map { |column, v| [column.name, v] }] diff --git a/activerecord/test/cases/adapters/postgresql/bytea_test.rb b/activerecord/test/cases/adapters/postgresql/bytea_test.rb index 84fa199f17..e3478856c8 100644 --- a/activerecord/test/cases/adapters/postgresql/bytea_test.rb +++ b/activerecord/test/cases/adapters/postgresql/bytea_test.rb @@ -72,7 +72,7 @@ class PostgresqlByteaTest < ActiveRecord::TestCase def test_via_to_sql data = "'\u001F\\" - record = ByteaDataType.create(payload: data) + ByteaDataType.create(payload: data) sql = ByteaDataType.where(payload: data).select(:payload).to_sql result = @connection.query(sql) assert_equal([[data]], result) diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb index 026a7fe635..6675e19dd9 100644 --- a/activerecord/test/cases/associations/has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb @@ -1102,7 +1102,19 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase assert_equal [posts(:thinking)], person.reload.first_posts end - def test_has_many_through_with_includes_in_through_association_scope + test "has many through with includes in through association scope" do assert_not_empty posts(:welcome).author_address_extra_with_address end + + test "insert records via has_many_through association with scope" do + club = Club.create! + member = Member.create! + Membership.create!(club: club, member: member) + + club.favourites << member + assert_equal [member], club.favourites + + club.reload + assert_equal [member], club.favourites + end end diff --git a/activerecord/test/cases/fixtures_test.rb b/activerecord/test/cases/fixtures_test.rb index cf0235b8c5..8bbc0af758 100644 --- a/activerecord/test/cases/fixtures_test.rb +++ b/activerecord/test/cases/fixtures_test.rb @@ -677,6 +677,12 @@ end class FoxyFixturesTest < ActiveRecord::TestCase fixtures :parrots, :parrots_pirates, :pirates, :treasures, :mateys, :ships, :computers, :developers, :"admin/accounts", :"admin/users" + if ActiveRecord::Base.connection.adapter_name == 'PostgreSQL' + require 'models/uuid_parent' + require 'models/uuid_child' + fixtures :uuid_parents, :uuid_children + end + def test_identifies_strings assert_equal(ActiveRecord::FixtureSet.identify("foo"), ActiveRecord::FixtureSet.identify("foo")) assert_not_equal(ActiveRecord::FixtureSet.identify("foo"), ActiveRecord::FixtureSet.identify("FOO")) @@ -689,6 +695,9 @@ class FoxyFixturesTest < ActiveRecord::TestCase def test_identifies_consistently assert_equal 207281424, ActiveRecord::FixtureSet.identify(:ruby) assert_equal 1066363776, ActiveRecord::FixtureSet.identify(:sapphire_2) + + assert_equal 'f92b6bda-0d0d-5fe1-9124-502b18badded', ActiveRecord::FixtureSet.identify(:daddy, :uuid) + assert_equal 'b4b10018-ad47-595d-b42f-d8bdaa6d01bf', ActiveRecord::FixtureSet.identify(:sonny, :uuid) end TIMESTAMP_COLUMNS = %w(created_at created_on updated_at updated_on) diff --git a/activerecord/test/cases/helper.rb b/activerecord/test/cases/helper.rb index 5ed508a799..eaf2cada9d 100644 --- a/activerecord/test/cases/helper.rb +++ b/activerecord/test/cases/helper.rb @@ -111,6 +111,15 @@ def verify_default_timezone_config end end +def enable_uuid_ossp!(connection) + return false unless connection.supports_extensions? + return true if connection.extension_enabled?('uuid-ossp') + + connection.enable_extension 'uuid-ossp' + connection.commit_db_transaction + connection.reconnect! +end + unless ENV['FIXTURE_DEBUG'] module ActiveRecord::TestFixtures::ClassMethods def try_to_load_dependency_with_silence(*args) diff --git a/activerecord/test/cases/relation_test.rb b/activerecord/test/cases/relation_test.rb index 15611656fd..fb0b906c07 100644 --- a/activerecord/test/cases/relation_test.rb +++ b/activerecord/test/cases/relation_test.rb @@ -16,6 +16,10 @@ module ActiveRecord def self.connection Post.connection end + + def self.table_name + 'fake_table' + end end def test_construction diff --git a/activerecord/test/cases/schema_dumper_test.rb b/activerecord/test/cases/schema_dumper_test.rb index 575eb34a9c..fd0ef2f89f 100644 --- a/activerecord/test/cases/schema_dumper_test.rb +++ b/activerecord/test/cases/schema_dumper_test.rb @@ -63,7 +63,7 @@ class SchemaDumperTest < ActiveRecord::TestCase next if column_set.empty? lengths = column_set.map do |column| - if match = column.match(/t\.(?:integer|decimal|float|datetime|timestamp|time|date|text|binary|string|boolean)\s+"/) + if match = column.match(/t\.(?:integer|decimal|float|datetime|timestamp|time|date|text|binary|string|boolean|uuid)\s+"/) match[0].length end end diff --git a/activerecord/test/fixtures/uuid_children.yml b/activerecord/test/fixtures/uuid_children.yml new file mode 100644 index 0000000000..a7b15016e2 --- /dev/null +++ b/activerecord/test/fixtures/uuid_children.yml @@ -0,0 +1,3 @@ +sonny: + uuid_parent: daddy + name: Sonny diff --git a/activerecord/test/fixtures/uuid_parents.yml b/activerecord/test/fixtures/uuid_parents.yml new file mode 100644 index 0000000000..0b40225c5c --- /dev/null +++ b/activerecord/test/fixtures/uuid_parents.yml @@ -0,0 +1,2 @@ +daddy: + name: Daddy diff --git a/activerecord/test/models/club.rb b/activerecord/test/models/club.rb index 566e0873f1..a762ad4bb5 100644 --- a/activerecord/test/models/club.rb +++ b/activerecord/test/models/club.rb @@ -6,6 +6,8 @@ class Club < ActiveRecord::Base has_one :sponsored_member, :through => :sponsor, :source => :sponsorable, :source_type => "Member" belongs_to :category + has_many :favourites, -> { where(memberships: { favourite: true }) }, through: :memberships, source: :member + private def private_method diff --git a/activerecord/test/models/uuid_child.rb b/activerecord/test/models/uuid_child.rb new file mode 100644 index 0000000000..a3d0962ad6 --- /dev/null +++ b/activerecord/test/models/uuid_child.rb @@ -0,0 +1,3 @@ +class UuidChild < ActiveRecord::Base + belongs_to :uuid_parent +end diff --git a/activerecord/test/models/uuid_parent.rb b/activerecord/test/models/uuid_parent.rb new file mode 100644 index 0000000000..5634f22d0c --- /dev/null +++ b/activerecord/test/models/uuid_parent.rb @@ -0,0 +1,3 @@ +class UuidParent < ActiveRecord::Base + has_many :uuid_children +end diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb index d9e1745029..da3074e90f 100644 --- a/activerecord/test/schema/schema.rb +++ b/activerecord/test/schema/schema.rb @@ -17,6 +17,15 @@ ActiveRecord::Schema.define do ActiveRecord::Base.connection.create_table(*args, &block) ActiveRecord::Base.connection.execute "SET GENERATOR #{args.first}_seq TO 10000" end + when "PostgreSQL" + enable_uuid_ossp!(ActiveRecord::Base.connection) + create_table :uuid_parents, id: :uuid, force: true do |t| + t.string :name + end + create_table :uuid_children, id: :uuid, force: true do |t| + t.string :name + t.uuid :uuid_parent_id + end end diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index ddc92dbd23..5e430d20fa 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,3 +1,8 @@ +* Add `SecureRandom::uuid_v3` and `SecureRandom::uuid_v5` to support stable + UUID fixtures on PostgreSQL. + + *Roderick van Domburg* + * Fixed `ActiveSupport::Duration#eql?` so that `1.second.eql?(1.second)` is true. diff --git a/activesupport/lib/active_support/core_ext/securerandom.rb b/activesupport/lib/active_support/core_ext/securerandom.rb new file mode 100644 index 0000000000..fec8f7c0ec --- /dev/null +++ b/activesupport/lib/active_support/core_ext/securerandom.rb @@ -0,0 +1,47 @@ +module SecureRandom + UUID_DNS_NAMESPACE = "k\xA7\xB8\x10\x9D\xAD\x11\xD1\x80\xB4\x00\xC0O\xD40\xC8" #:nodoc: + UUID_URL_NAMESPACE = "k\xA7\xB8\x11\x9D\xAD\x11\xD1\x80\xB4\x00\xC0O\xD40\xC8" #:nodoc: + UUID_OID_NAMESPACE = "k\xA7\xB8\x12\x9D\xAD\x11\xD1\x80\xB4\x00\xC0O\xD40\xC8" #:nodoc: + UUID_X500_NAMESPACE = "k\xA7\xB8\x14\x9D\xAD\x11\xD1\x80\xB4\x00\xC0O\xD40\xC8" #:nodoc: + + # Generates a v5 non-random UUID (Universally Unique IDentifier). + # + # Using Digest::MD5 generates version 3 UUIDs; Digest::SHA1 generates version 5 UUIDs. + # ::uuid_from_hash always generates the same UUID for a given name and namespace combination. + # + # See RFC 4122 for details of UUID at: http://www.ietf.org/rfc/rfc4122.txt + def self.uuid_from_hash(hash_class, uuid_namespace, name) + if hash_class == Digest::MD5 + version = 3 + elsif hash_class == Digest::SHA1 + version = 5 + else + raise ArgumentError, "Expected Digest::SHA1 or Digest::MD5, got #{hash_class.name}." + end + + hash = hash_class.new + hash.update(uuid_namespace) + hash.update(name) + + ary = hash.digest.unpack('NnnnnN') + ary[2] = (ary[2] & 0x0FFF) | (version << 12) + ary[3] = (ary[3] & 0x3FFF) | 0x8000 + + "%08x-%04x-%04x-%04x-%04x%08x" % ary + end + + # Convenience method for ::uuid_from_hash using Digest::MD5. + def self.uuid_v3(uuid_namespace, name) + self.uuid_from_hash(Digest::MD5, uuid_namespace, name) + end + + # Convenience method for ::uuid_from_hash using Digest::SHA1. + def self.uuid_v5(uuid_namespace, name) + self.uuid_from_hash(Digest::SHA1, uuid_namespace, name) + end + + class << self + # Alias for ::uuid. + alias_method :uuid_v4, :uuid + end +end diff --git a/activesupport/test/core_ext/securerandom_test.rb b/activesupport/test/core_ext/securerandom_test.rb new file mode 100644 index 0000000000..71980f6910 --- /dev/null +++ b/activesupport/test/core_ext/securerandom_test.rb @@ -0,0 +1,28 @@ +require 'abstract_unit' +require 'active_support/core_ext/securerandom' + +class SecureRandomExt < ActiveSupport::TestCase + def test_v3_uuids + assert_equal "3d813cbb-47fb-32ba-91df-831e1593ac29", SecureRandom.uuid_v3(SecureRandom::UUID_DNS_NAMESPACE, "www.widgets.com") + assert_equal "86df55fb-428e-3843-8583-ba3c05f290bc", SecureRandom.uuid_v3(SecureRandom::UUID_URL_NAMESPACE, "http://www.widgets.com") + assert_equal "8c29ab0e-a2dc-3482-b5eb-20cb2e2387a1", SecureRandom.uuid_v3(SecureRandom::UUID_OID_NAMESPACE, "1.2.3") + assert_equal "ee49149d-53a4-304a-890b-468229f6afc3", SecureRandom.uuid_v3(SecureRandom::UUID_X500_NAMESPACE, "cn=John Doe, ou=People, o=Acme, Inc., c=US") + end + + def test_v5_uuids + assert_equal "21f7f8de-8051-5b89-8680-0195ef798b6a", SecureRandom.uuid_v5(SecureRandom::UUID_DNS_NAMESPACE, "www.widgets.com") + assert_equal "4e570fd8-186d-5a74-90f0-4d28e34673a1", SecureRandom.uuid_v5(SecureRandom::UUID_URL_NAMESPACE, "http://www.widgets.com") + assert_equal "42d5e23b-3a02-5135-85c6-52d1102f1f00", SecureRandom.uuid_v5(SecureRandom::UUID_OID_NAMESPACE, "1.2.3") + assert_equal "fd5b2ddf-bcfe-58b6-90d6-db50f74db527", SecureRandom.uuid_v5(SecureRandom::UUID_X500_NAMESPACE, "cn=John Doe, ou=People, o=Acme, Inc., c=US") + end + + def test_uuid_v4_alias + assert_equal SecureRandom.method(:uuid_v4), SecureRandom.method(:uuid) + end + + def test_invalid_hash_class + assert_raise ArgumentError do + SecureRandom.uuid_from_hash(Digest::SHA2, SecureRandom::UUID_OID_NAMESPACE, '1.2.3') + end + end +end diff --git a/activesupport/test/xml_mini_test.rb b/activesupport/test/xml_mini_test.rb index 753effb54e..f49431cbbf 100644 --- a/activesupport/test/xml_mini_test.rb +++ b/activesupport/test/xml_mini_test.rb @@ -1,6 +1,9 @@ require 'abstract_unit' require 'active_support/xml_mini' require 'active_support/builder' +require 'active_support/core_ext/array' +require 'active_support/core_ext/hash' +require 'active_support/core_ext/big_decimal' module XmlMiniTest class RenameKeyTest < ActiveSupport::TestCase @@ -88,6 +91,61 @@ module XmlMiniTest assert_xml "<b>Howdy</b>" end + test "#to_tag should use the type value in the options hash" do + @xml.to_tag(:b, "blue", @options.merge(type: 'color')) + assert_xml( "<b type=\"color\">blue</b>" ) + end + + test "#to_tag accepts symbol types" do + @xml.to_tag(:b, :name, @options) + assert_xml( "<b type=\"symbol\">name</b>" ) + end + + test "#to_tag accepts boolean types" do + @xml.to_tag(:b, true, @options) + assert_xml( "<b type=\"boolean\">true</b>") + end + + test "#to_tag accepts float types" do + @xml.to_tag(:b, 3.14, @options) + assert_xml( "<b type=\"float\">3.14</b>") + end + + test "#to_tag accepts decimal types" do + @xml.to_tag(:b, ::BigDecimal.new("1.2"), @options) + assert_xml( "<b type=\"decimal\">1.2</b>") + end + + test "#to_tag accepts date types" do + @xml.to_tag(:b, Date.new(2001,2,3), @options) + assert_xml( "<b type=\"date\">2001-02-03</b>") + end + + test "#to_tag accepts datetime types" do + @xml.to_tag(:b, DateTime.new(2001,2,3,4,5,6,'+7'), @options) + assert_xml( "<b type=\"dateTime\">2001-02-03T04:05:06+07:00</b>") + end + + test "#to_tag accepts time types" do + @xml.to_tag(:b, Time.new(1993, 02, 24, 12, 0, 0, "+09:00"), @options) + assert_xml( "<b type=\"dateTime\">1993-02-24T12:00:00+09:00</b>") + end + + test "#to_tag accepts array types" do + @xml.to_tag(:b, ["first_name", "last_name"], @options) + assert_xml( "<b type=\"array\"><b>first_name</b><b>last_name</b></b>" ) + end + + test "#to_tag accepts hash types" do + @xml.to_tag(:b, { first_name: "Bob", last_name: "Marley" }, @options) + assert_xml( "<b><first-name>Bob</first-name><last-name>Marley</last-name></b>" ) + end + + test "#to_tag should not add type when skip types option is set" do + @xml.to_tag(:b, "Bob", @options.merge(skip_types: 1)) + assert_xml( "<b>Bob</b>" ) + end + test "#to_tag should dasherize the space when passed a string with spaces as a key" do @xml.to_tag("New York", 33, @options) assert_xml "<New---York type=\"integer\">33</New---York>" @@ -97,7 +155,6 @@ module XmlMiniTest @xml.to_tag(:"New York", 33, @options) assert_xml "<New---York type=\"integer\">33</New---York>" end - # TODO: test the remaining functions hidden in #to_tag. end class WithBackendTest < ActiveSupport::TestCase diff --git a/guides/source/active_record_callbacks.md b/guides/source/active_record_callbacks.md index 667433285f..fbcce325ed 100644 --- a/guides/source/active_record_callbacks.md +++ b/guides/source/active_record_callbacks.md @@ -92,6 +92,7 @@ Here is a list with all the available Active Record callbacks, listed in the sam * `around_create` * `after_create` * `after_save` +* `after_commit/after_rollback` ### Updating an Object @@ -103,12 +104,14 @@ Here is a list with all the available Active Record callbacks, listed in the sam * `around_update` * `after_update` * `after_save` +* `after_commit/after_rollback` ### Destroying an Object * `before_destroy` * `around_destroy` * `after_destroy` +* `after_commit/after_rollback` WARNING. `after_save` runs both on create and update, but always _after_ the more specific callbacks `after_create` and `after_update`, no matter the order in which the macro calls were executed. diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md index 5698dc0413..f08a85770f 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -964,20 +964,7 @@ NOTE: Defined in `active_support/core_ext/module/delegation.rb` There are cases where you need to define a method with `define_method`, but don't know whether a method with that name already exists. If it does, a warning is issued if they are enabled. No big deal, but not clean either. -The method `redefine_method` prevents such a potential warning, removing the existing method before if needed. Rails uses it in a few places, for instance when it generates an association's API: - -```ruby -redefine_method("#{reflection.name}=") do |new_value| - association = association_instance_get(reflection.name) - - if association.nil? || association.target != new_value - association = association_proxy_class.new(self, reflection) - end - - association.replace(new_value) - association_instance_set(reflection.name, new_value.nil? ? nil : association) -end -``` +The method `redefine_method` prevents such a potential warning, removing the existing method before if needed. NOTE: Defined in `active_support/core_ext/module/remove_method.rb` diff --git a/guides/source/initialization.md b/guides/source/initialization.md index ec3cec5c6f..ca5fcbbcbd 100644 --- a/guides/source/initialization.md +++ b/guides/source/initialization.md @@ -166,6 +166,7 @@ is called. COMMAND_WHITELIST = %(plugin generate destroy console server dbconsole application runner new version help) def run_command!(command) + command = parse_command(command) if COMMAND_WHITELIST.include?(command) send(command) else @@ -178,8 +179,7 @@ With the `server` command, Rails will further run the following code: ```ruby def set_application_directory! - Dir.chdir(File.expand_path('../../', APP_PATH)) unless - File.exist?(File.expand_path("config.ru")) + Dir.chdir(File.expand_path('../../', APP_PATH)) unless File.exist?(File.expand_path("config.ru")) end def server @@ -187,6 +187,8 @@ def server require_command!("server") Rails::Server.new.tap do |server| + # We need to require application after the server sets environment, + # otherwise the --environment option given to the server won't propagate. require APP_PATH Dir.chdir(Rails.application.root) server.start @@ -207,6 +209,7 @@ sets up the `Rails::Server` class. require 'fileutils' require 'optparse' require 'action_dispatch' +require 'rails' module Rails class Server < ::Rack::Server @@ -273,7 +276,7 @@ def parse_options(args) # http://www.meb.uni-bonn.de/docs/cgi/cl.html args.clear if ENV.include?("REQUEST_METHOD") - options.merge! opt_parser.parse! args + options.merge! opt_parser.parse!(args) options[:config] = ::File.expand_path(options[:config]) ENV["RACK_ENV"] = options[:environment] options @@ -284,13 +287,16 @@ With the `default_options` set to this: ```ruby def default_options + environment = ENV['RACK_ENV'] || 'development' + default_host = environment == 'development' ? 'localhost' : '0.0.0.0' + { - environment: ENV['RACK_ENV'] || "development", - pid: nil, - Port: 9292, - Host: "0.0.0.0", - AccessLog: [], - config: "config.ru" + :environment => environment, + :pid => nil, + :Port => 9292, + :Host => default_host, + :AccessLog => [], + :config => "config.ru" } end ``` @@ -348,6 +354,7 @@ private def print_boot_information ... puts "=> Run `rails server -h` for more startup options" + ... puts "=> Ctrl-C to shutdown server" unless options[:daemonize] end @@ -434,7 +441,11 @@ The `app` method here is defined like so: ```ruby def app - @app ||= begin + @app ||= options[:builder] ? build_app_from_string : build_app_and_options_from_config +end +... +private + def build_app_and_options_from_config if !::File.exist? options[:config] abort "configuration #{options[:config]} not found" end @@ -443,7 +454,10 @@ def app self.options.merge! options app end -end + + def build_app_from_string + Rack::Builder.new_from_string(self.options[:builder]) + end ``` The `options[:config]` value defaults to `config.ru` which contains this: @@ -459,8 +473,14 @@ run <%= app_const %> The `Rack::Builder.parse_file` method here takes the content from this `config.ru` file and parses it using this code: ```ruby -app = eval "Rack::Builder.new {( " + cfgfile + "\n )}.to_app", - TOPLEVEL_BINDING, config +app = new_from_string cfgfile, config + +... + +def self.new_from_string(builder_script, file="(rackup)") + eval "Rack::Builder.new {\n" + builder_script + "\n}.to_app", + TOPLEVEL_BINDING, file, 0 +end ``` The `initialize` method of `Rack::Builder` will take the block here and execute it within an instance of `Rack::Builder`. This is where the majority of the initialization process of Rails happens. The `require` line for `config/environment.rb` in `config.ru` is the first to run: @@ -473,11 +493,22 @@ require ::File.expand_path('../config/environment', __FILE__) This file is the common file required by `config.ru` (`rails server`) and Passenger. This is where these two ways to run the server meet; everything before this point has been Rack and Rails setup. -This file begins with requiring `config/application.rb`. +This file begins with requiring `config/application.rb`: + +```ruby +require File.expand_path('../application', __FILE__) +``` ### `config/application.rb` -This file requires `config/boot.rb`, but only if it hasn't been required before, which would be the case in `rails server` but **wouldn't** be the case with Passenger. +This file requires `config/boot.rb`: + +```ruby +require File.expand_path('../boot', __FILE__) +``` + +But only if it hasn't been required before, which would be the case in `rails server` +but **wouldn't** be the case with Passenger. Then the fun begins! @@ -498,11 +529,12 @@ This file is responsible for requiring all the individual frameworks of Rails: require "rails" %w( - active_record - action_controller - action_mailer - rails/test_unit - sprockets + active_record + action_controller + action_view + action_mailer + rails/test_unit + sprockets ).each do |framework| begin require "#{framework}/railtie" @@ -568,7 +600,7 @@ initializers (like building the middleware stack) are run last. The `railtie` initializers are the initializers which have been defined on the `Rails::Application` itself and are run between the `bootstrap` and `finishers`. -After this is done we go back to `Rack::Server` +After this is done we go back to `Rack::Server`. ### Rack: lib/rack/server.rb @@ -576,7 +608,11 @@ Last time we left when the `app` method was being defined: ```ruby def app - @app ||= begin + @app ||= options[:builder] ? build_app_from_string : build_app_and_options_from_config +end +... +private + def build_app_and_options_from_config if !::File.exist? options[:config] abort "configuration #{options[:config]} not found" end @@ -585,7 +621,10 @@ def app self.options.merge! options app end -end + + def build_app_from_string + Rack::Builder.new_from_string(self.options[:builder]) + end ``` At this point `app` is the Rails app itself (a middleware), and what @@ -611,40 +650,50 @@ server.run wrapped_app, options, &blk ``` At this point, the implementation of `server.run` will depend on the -server you're using. For example, if you were using Mongrel, here's what +server you're using. For example, if you were using Puma, here's what the `run` method would look like: ```ruby -def self.run(app, options={}) - server = ::Mongrel::HttpServer.new( - options[:Host] || '0.0.0.0', - options[:Port] || 8080, - options[:num_processors] || 950, - options[:throttle] || 0, - options[:timeout] || 60) - # Acts like Rack::URLMap, utilizing Mongrel's own path finding methods. - # Use is similar to #run, replacing the app argument with a hash of - # { path=>app, ... } or an instance of Rack::URLMap. - if options[:map] - if app.is_a? Hash - app.each do |path, appl| - path = '/'+path unless path[0] == ?/ - server.register(path, Rack::Handler::Mongrel.new(appl)) - end - elsif app.is_a? URLMap - app.instance_variable_get(:@mapping).each do |(host, path, appl)| - next if !host.nil? && !options[:Host].nil? && options[:Host] != host - path = '/'+path unless path[0] == ?/ - server.register(path, Rack::Handler::Mongrel.new(appl)) - end - else - raise ArgumentError, "first argument should be a Hash or URLMap" - end - else - server.register('/', Rack::Handler::Mongrel.new(app)) +... +DEFAULT_OPTIONS = { + :Host => '0.0.0.0', + :Port => 8080, + :Threads => '0:16', + :Verbose => false +} + +def self.run(app, options = {}) + options = DEFAULT_OPTIONS.merge(options) + + if options[:Verbose] + app = Rack::CommonLogger.new(app, STDOUT) end + + if options[:environment] + ENV['RACK_ENV'] = options[:environment].to_s + end + + server = ::Puma::Server.new(app) + min, max = options[:Threads].split(':', 2) + + puts "Puma #{::Puma::Const::PUMA_VERSION} starting..." + puts "* Min threads: #{min}, max threads: #{max}" + puts "* Environment: #{ENV['RACK_ENV']}" + puts "* Listening on tcp://#{options[:Host]}:#{options[:Port]}" + + server.add_tcp_listener options[:Host], options[:Port] + server.min_threads = min + server.max_threads = max yield server if block_given? - server.run.join + + begin + server.run.join + rescue Interrupt + puts "* Gracefully stopping, waiting for requests to finish" + server.stop(true) + puts "* Goodbye!" + end + end ``` @@ -654,4 +703,4 @@ the last piece of our journey in the Rails initialization process. This high level overview will help you understand when your code is executed and how, and overall become a better Rails developer. If you still want to know more, the Rails source code itself is probably the -best place to go next. +best place to go next.
\ No newline at end of file diff --git a/railties/lib/rails/test_help.rb b/railties/lib/rails/test_help.rb index 2e6356343d..c837fadb40 100644 --- a/railties/lib/rails/test_help.rb +++ b/railties/lib/rails/test_help.rb @@ -4,6 +4,7 @@ abort("Abort testing: Your Rails environment is running in production mode!") if require 'active_support/testing/autorun' require 'active_support/test_case' +require 'action_controller' require 'action_controller/test_case' require 'action_dispatch/testing/integration' require 'rails/generators/test_case' |