diff options
| -rw-r--r-- | activerecord/CHANGELOG.md | 15 | ||||
| -rw-r--r-- | activerecord/lib/active_record/associations/collection_association.rb | 20 | ||||
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb | 22 | ||||
| -rw-r--r-- | activerecord/lib/active_record/migration.rb | 9 | ||||
| -rw-r--r-- | activerecord/lib/active_record/railtie.rb | 2 | ||||
| -rw-r--r-- | activerecord/lib/active_record/railties/databases.rake | 10 | ||||
| -rw-r--r-- | activerecord/test/cases/associations/has_many_associations_test.rb | 64 | ||||
| -rw-r--r-- | guides/source/4_2_release_notes.md | 9 | ||||
| -rw-r--r-- | guides/source/upgrading_ruby_on_rails.md | 9 | ||||
| -rw-r--r-- | railties/test/application/rake/dbs_test.rb | 9 | ||||
| -rw-r--r-- | railties/test/application/test_test.rb | 92 |
11 files changed, 212 insertions, 49 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 9130cfbe9e..2140b1ea83 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,18 @@ +* Bring back `db:test:prepare` to synchronize the test database schema. + + Manual synchronization using `bin/rake db:test:prepare` is required + when a migration is rolled-back, edited and reapplied. + + `ActiveRecord::Base.maintain_test_schema` now uses `db:test:prepare` + to synchronize the schema. Plugins can use this task as a hook to + provide custom behavior after the schema has been loaded. + + NOTE: `test:prepare` runs before the schema was synchronized. + + Fixes #17171, #15787. + + *Yves Senn* + * Change `reflections` public api to return the keys as String objects. Fixes #16928. diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index d59cebb08b..2b7d39893d 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -358,6 +358,7 @@ module ActiveRecord if owner.new_record? replace_records(other_array, original_target) else + replace_common_records_in_memory(other_array, original_target) if other_array != original_target transaction { replace_records(other_array, original_target) } end @@ -385,11 +386,18 @@ module ActiveRecord target end - def add_to_target(record, skip_callbacks = false) + def add_to_target(record, skip_callbacks = false, &block) + if association_scope.distinct_value + index = @target.index(record) + end + replace_on_target(record, index, skip_callbacks, &block) + end + + def replace_on_target(record, index, skip_callbacks) callback(:before_add, record) unless skip_callbacks yield(record) if block_given? - if association_scope.distinct_value && index = @target.index(record) + if index @target[index] = record else @target << record @@ -534,6 +542,14 @@ module ActiveRecord target end + def replace_common_records_in_memory(new_target, original_target) + common_records = new_target & original_target + common_records.each do |record| + skip_callbacks = true + replace_on_target(record, @target.index(record), skip_callbacks) + end + end + def concat_records(records, should_raise = false) result = true diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index f95f45c689..991c41327f 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -14,22 +14,6 @@ module ActiveRecord @connection.unescape_bytea(value) if value end - # Quotes PostgreSQL-specific data types for SQL input. - def quote(value, column = nil) #:nodoc: - return super unless column - - case value - when Float - if value.infinite? || value.nan? - "'#{value}'" - else - super - end - else - super - end - end - # Quotes strings for use in SQL input. def quote_string(s) #:nodoc: @connection.escape(s) @@ -94,6 +78,12 @@ module ActiveRecord elsif value.hex? "X'#{value}'" end + when Float + if value.infinite? || value.nan? + "'#{value}'" + else + super + end else super end diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 4e00eb3d99..92f2951f2d 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -395,7 +395,14 @@ module ActiveRecord def load_schema_if_pending! if ActiveRecord::Migrator.needs_migration? || !ActiveRecord::Migrator.any_migrations? - ActiveRecord::Tasks::DatabaseTasks.load_schema_current_if_exists + # Roundrip to Rake to allow plugins to hook into database initialization. + FileUtils.cd Rails.root do + current_config = Base.connection_config + Base.clear_all_connections! + system("bin/rake db:test:prepare") + # Establish a new connection, the old database may be gone (db:test:prepare uses purge) + Base.establish_connection(current_config) + end check_pending! end end diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index a4ceacbf44..f1bdbc845c 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -36,8 +36,6 @@ module ActiveRecord config.eager_load_namespaces << ActiveRecord rake_tasks do - require "active_record/base" - namespace :db do task :load_config do ActiveRecord::Tasks::DatabaseTasks.database_configuration = Rails.application.config.database_configuration diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 3ec25f9f17..21b1c3f721 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -305,7 +305,7 @@ db_namespace = namespace :db do end # desc "Recreate the test database from the current schema" - task :load => %w(db:test:deprecated db:test:purge) do + task :load => %w(db:test:purge) do case ActiveRecord::Base.schema_format when :ruby db_namespace["test:load_schema"].invoke @@ -315,7 +315,7 @@ db_namespace = namespace :db do end # desc "Recreate the test database from an existent schema.rb file" - task :load_schema => %w(db:test:deprecated db:test:purge) do + task :load_schema => %w(db:test:purge) do begin should_reconnect = ActiveRecord::Base.connection_pool.active_connection? ActiveRecord::Schema.verbose = false @@ -328,7 +328,7 @@ db_namespace = namespace :db do end # desc "Recreate the test database from an existent structure.sql file" - task :load_structure => %w(db:test:deprecated db:test:purge) do + task :load_structure => %w(db:test:purge) do ActiveRecord::Tasks::DatabaseTasks.load_schema_for ActiveRecord::Base.configurations['test'], :sql, ENV['SCHEMA'] end @@ -349,12 +349,12 @@ db_namespace = namespace :db do task :clone_structure => %w(db:test:deprecated db:structure:dump db:test:load_structure) # desc "Empty the test database" - task :purge => %w(db:test:deprecated environment load_config) do + task :purge => %w(environment load_config) do ActiveRecord::Tasks::DatabaseTasks.purge ActiveRecord::Base.configurations['test'] end # desc 'Check for pending migrations and load the test schema' - task :prepare => %w(db:test:deprecated environment load_config) do + task :prepare => %w(environment load_config) do unless ActiveRecord::Base.configurations.blank? db_namespace['test:load'].invoke end diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index 5a963b6458..8b7ab11570 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -1997,4 +1997,68 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal 1, car.bulbs.count assert_equal 1, car.tyres.count end + + test 'associations replace in memory when records have the same id' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + new_bulb.name = "foo" + car.bulbs = [new_bulb] + + assert_equal "foo", car.bulbs.first.name + end + + test 'in memory replacement executes no queries' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + + assert_no_queries do + car.bulbs = [new_bulb] + end + end + + test 'in memory replacements do not execute callbacks' do + raise_after_add = false + klass = Class.new(ActiveRecord::Base) do + self.table_name = :cars + has_many :bulbs, after_add: proc { raise if raise_after_add } + + def self.name + "Car" + end + end + bulb = Bulb.create! + car = klass.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + raise_after_add = true + + assert_nothing_raised do + car.bulbs = [new_bulb] + end + end + + test 'in memory replacements sets inverse instance' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + car.bulbs = [new_bulb] + + assert_same car, new_bulb.car + end + + test 'in memory replacement maintains order' do + first_bulb = Bulb.create! + second_bulb = Bulb.create! + car = Car.create!(bulbs: [first_bulb, second_bulb]) + + same_bulb = Bulb.find(first_bulb.id) + car.bulbs = [second_bulb, same_bulb] + + assert_equal [first_bulb, second_bulb], car.bulbs + end end diff --git a/guides/source/4_2_release_notes.md b/guides/source/4_2_release_notes.md index ba45d5c6d1..87a4f8b463 100644 --- a/guides/source/4_2_release_notes.md +++ b/guides/source/4_2_release_notes.md @@ -97,8 +97,8 @@ New applications generated from Rails 4.2 now come with the Web Console gem by default. Web Console is a set of debugging tools for your Rails application. It will add -an interactive console on every error page, a `console` view helper and a VT100 -compatible terminal. +an interactive console on every error page and a `console` view and controller +helper. The interactive console on the error pages let you execute code where the exception originated. It's quite handy being able to introspect the state that @@ -107,9 +107,8 @@ led to the error. The `console` view helper launches an interactive console within the context of the view where it is invoked. -Finally, you can launch a VT100 terminal that runs `rails console`. If you need -to create or modify existing test data, you can do that straight from the -browser. +The `console` controller helper spawns an interactive console within the +context of the controller action it was invoked in. ### Foreign key support diff --git a/guides/source/upgrading_ruby_on_rails.md b/guides/source/upgrading_ruby_on_rails.md index 24e4ea2c1f..cf6bdd0d0f 100644 --- a/guides/source/upgrading_ruby_on_rails.md +++ b/guides/source/upgrading_ruby_on_rails.md @@ -54,15 +54,6 @@ Upgrading from Rails 4.1 to Rails 4.2 First, add `gem 'web-console', '~> 2.0.0.beta4'` to the `:development` group in your Gemfile and run `bundle install` (it won't have been included when you upgraded Rails). Once it's been installed, you can simply drop a reference to the console helper (i.e., `<%= console %>`) into any view you want to enable it for. A console will also be provided on any error page you view in your development environment. -Additionally, you can tell Rails to automatically mount a VT100-compatible console on a predetermined path by setting the appropriate configuration flags in your development config: - -```ruby -# config/environments/development.rb - -config.web_console.automount = true -config.web_console.default_mount_path = '/terminal' # Optional, defaults to /console -``` - ### Responders `respond_with` and the class-level `respond_to` methods have been extracted to the `responders` gem. To use them, simply add `gem 'responders', '~> 2.0'` to your Gemfile. Calls to `respond_with` and `respond_to` (again, at the class level) will no longer work without having included the `responders` gem in your dependencies: diff --git a/railties/test/application/rake/dbs_test.rb b/railties/test/application/rake/dbs_test.rb index 524c70aad2..0a5873bcbf 100644 --- a/railties/test/application/rake/dbs_test.rb +++ b/railties/test/application/rake/dbs_test.rb @@ -175,15 +175,6 @@ module ApplicationTests db_test_load_structure end - test 'db:test deprecation' do - require "#{app_path}/config/environment" - Dir.chdir(app_path) do - output = `bundle exec rake db:migrate db:test:prepare 2>&1` - assert_equal "WARNING: db:test:prepare is deprecated. The Rails test helper now maintains " \ - "your test schema automatically, see the release notes for details.\n", output - end - end - test 'db:setup loads schema and seeds database' do begin @old_rails_env = ENV["RAILS_ENV"] diff --git a/railties/test/application/test_test.rb b/railties/test/application/test_test.rb index 4d06056280..c7132837b1 100644 --- a/railties/test/application/test_test.rb +++ b/railties/test/application/test_test.rb @@ -193,6 +193,98 @@ module ApplicationTests assert_successful_test_run('models/user_test.rb') end + # TODO: would be nice if we could detect the schema change automatically. + # For now, the user has to synchronize the schema manually. + # This test-case serves as a reminder for this use-case. + test "manually synchronize test schema after rollback" do + output = script('generate model user name:string') + version = output.match(/(\d+)_create_users\.rb/)[1] + + app_file 'test/models/user_test.rb', <<-RUBY + require 'test_helper' + + class UserTest < ActiveSupport::TestCase + test "user" do + assert_equal ["id", "name"], User.columns_hash.keys + end + end + RUBY + app_file 'db/schema.rb', <<-RUBY + ActiveRecord::Schema.define(version: #{version}) do + create_table :users do |t| + t.string :name + end + end + RUBY + + assert_successful_test_run "models/user_test.rb" + + # Simulate `db:rollback` + edit of the migration file + `db:migrate` + app_file 'db/schema.rb', <<-RUBY + ActiveRecord::Schema.define(version: #{version}) do + create_table :users do |t| + t.string :name + t.integer :age + end + end + RUBY + + assert_successful_test_run "models/user_test.rb" + + Dir.chdir(app_path) { `bin/rake db:test:prepare` } + + assert_unsuccessful_run "models/user_test.rb", <<-ASSERTION +Expected: ["id", "name"] + Actual: ["id", "name", "age"] + ASSERTION + end + + test "hooks for plugins" do + output = script('generate model user name:string') + version = output.match(/(\d+)_create_users\.rb/)[1] + + app_file 'lib/tasks/hooks.rake', <<-RUBY + task :before_hook do + has_user_table = ActiveRecord::Base.connection.table_exists?('users') + puts "before: " + has_user_table.to_s + end + + task :after_hook do + has_user_table = ActiveRecord::Base.connection.table_exists?('users') + puts "after: " + has_user_table.to_s + end + + Rake::Task["db:test:prepare"].enhance [:before_hook] do + Rake::Task[:after_hook].invoke + end + RUBY + app_file 'test/models/user_test.rb', <<-RUBY + require 'test_helper' + class UserTest < ActiveSupport::TestCase + test "user" do + User.create! name: "Jon" + end + end + RUBY + + # Simulate `db:migrate` + app_file 'db/schema.rb', <<-RUBY + ActiveRecord::Schema.define(version: #{version}) do + create_table :users do |t| + t.string :name + end + end + RUBY + + output = assert_successful_test_run "models/user_test.rb" + assert_includes output, "before: false\nafter: true" + + # running tests again won't trigger a schema update + output = assert_successful_test_run "models/user_test.rb" + assert_not_includes output, "before:" + assert_not_includes output, "after:" + end + private def assert_unsuccessful_run(name, message) result = run_test_file(name) |