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require "cases/helper"
require 'models/topic'
class TransactionCallbacksTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false
fixtures :topics
class ReplyWithCallbacks < ActiveRecord::Base
self.table_name = :topics
belongs_to :topic, foreign_key: "parent_id"
validates_presence_of :content
after_commit :do_after_commit, on: :create
def history
@history ||= []
end
def do_after_commit
history << :commit_on_create
end
end
class TopicWithCallbacks < ActiveRecord::Base
self.table_name = :topics
has_many :replies, class_name: "ReplyWithCallbacks", foreign_key: "parent_id"
after_commit{|record| record.send(:do_after_commit, nil)}
after_commit(:on => :create){|record| record.send(:do_after_commit, :create)}
after_commit(:on => :update){|record| record.send(:do_after_commit, :update)}
after_commit(:on => :destroy){|record| record.send(:do_after_commit, :destroy)}
after_rollback{|record| record.send(:do_after_rollback, nil)}
after_rollback(:on => :create){|record| record.send(:do_after_rollback, :create)}
after_rollback(:on => :update){|record| record.send(:do_after_rollback, :update)}
after_rollback(:on => :destroy){|record| record.send(:do_after_rollback, :destroy)}
def history
@history ||= []
end
def after_commit_block(on = nil, &block)
@after_commit ||= {}
@after_commit[on] ||= []
@after_commit[on] << block
end
def after_rollback_block(on = nil, &block)
@after_rollback ||= {}
@after_rollback[on] ||= []
@after_rollback[on] << block
end
def do_after_commit(on)
blocks = @after_commit[on] if defined?(@after_commit)
blocks.each{|b| b.call(self)} if blocks
end
def do_after_rollback(on)
blocks = @after_rollback[on] if defined?(@after_rollback)
blocks.each{|b| b.call(self)} if blocks
end
end
def setup
@first, @second = TopicWithCallbacks.find(1, 3).sort_by { |t| t.id }
end
def test_call_after_commit_after_transaction_commits
@first.after_commit_block{|r| r.history << :after_commit}
@first.after_rollback_block{|r| r.history << :after_rollback}
@first.save!
assert_equal [:after_commit], @first.history
end
def test_only_call_after_commit_on_update_after_transaction_commits_for_existing_record
@first.after_commit_block(:create){|r| r.history << :commit_on_create}
@first.after_commit_block(:update){|r| r.history << :commit_on_update}
@first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
@first.save!
assert_equal [:commit_on_update], @first.history
end
def test_only_call_after_commit_on_destroy_after_transaction_commits_for_destroyed_record
@first.after_commit_block(:create){|r| r.history << :commit_on_create}
@first.after_commit_block(:update){|r| r.history << :commit_on_update}
@first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
@first.destroy
assert_equal [:commit_on_destroy], @first.history
end
def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record
@new_record = TopicWithCallbacks.new(:title => "New topic", :written_on => Date.today)
@new_record.after_commit_block(:create){|r| r.history << :commit_on_create}
@new_record.after_commit_block(:update){|r| r.history << :commit_on_update}
@new_record.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
@new_record.after_rollback_block(:create){|r| r.history << :rollback_on_create}
@new_record.after_rollback_block(:update){|r| r.history << :rollback_on_update}
@new_record.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
@new_record.save!
assert_equal [:commit_on_create], @new_record.history
end
def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record_if_create_succeeds_creating_through_association
topic = TopicWithCallbacks.create!(:title => "New topic", :written_on => Date.today)
reply = topic.replies.create
assert_equal [], reply.history
end
def test_call_after_rollback_after_transaction_rollsback
@first.after_commit_block{|r| r.history << :after_commit}
@first.after_rollback_block{|r| r.history << :after_rollback}
Topic.transaction do
@first.save!
raise ActiveRecord::Rollback
end
assert_equal [:after_rollback], @first.history
end
def test_only_call_after_rollback_on_update_after_transaction_rollsback_for_existing_record
@first.after_commit_block(:create){|r| r.history << :commit_on_create}
@first.after_commit_block(:update){|r| r.history << :commit_on_update}
@first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
Topic.transaction do
@first.save!
raise ActiveRecord::Rollback
end
assert_equal [:rollback_on_update], @first.history
end
def test_only_call_after_rollback_on_destroy_after_transaction_rollsback_for_destroyed_record
@first.after_commit_block(:create){|r| r.history << :commit_on_create}
@first.after_commit_block(:update){|r| r.history << :commit_on_update}
@first.after_commit_block(:destroy){|r| r.history << :commit_on_update}
@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
Topic.transaction do
@first.destroy
raise ActiveRecord::Rollback
end
assert_equal [:rollback_on_destroy], @first.history
end
def test_only_call_after_rollback_on_create_after_transaction_rollsback_for_new_record
@new_record = TopicWithCallbacks.new(:title => "New topic", :written_on => Date.today)
@new_record.after_commit_block(:create){|r| r.history << :commit_on_create}
@new_record.after_commit_block(:update){|r| r.history << :commit_on_update}
@new_record.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
@new_record.after_rollback_block(:create){|r| r.history << :rollback_on_create}
@new_record.after_rollback_block(:update){|r| r.history << :rollback_on_update}
@new_record.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
Topic.transaction do
@new_record.save!
raise ActiveRecord::Rollback
end
assert_equal [:rollback_on_create], @new_record.history
end
def test_call_after_rollback_when_commit_fails
@first.class.connection.class.send(:alias_method, :real_method_commit_db_transaction, :commit_db_transaction)
begin
@first.class.connection.class.class_eval do
def commit_db_transaction; raise "boom!"; end
end
@first.after_commit_block{|r| r.history << :after_commit}
@first.after_rollback_block{|r| r.history << :after_rollback}
assert !@first.save rescue nil
assert_equal [:after_rollback], @first.history
ensure
@first.class.connection.class.send(:remove_method, :commit_db_transaction)
@first.class.connection.class.send(:alias_method, :commit_db_transaction, :real_method_commit_db_transaction)
end
end
def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint
def @first.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end
def @first.commits(i=0); @commits ||= 0; @commits += i if i; end
@first.after_rollback_block{|r| r.rollbacks(1)}
@first.after_commit_block{|r| r.commits(1)}
def @second.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end
def @second.commits(i=0); @commits ||= 0; @commits += i if i; end
@second.after_rollback_block{|r| r.rollbacks(1)}
@second.after_commit_block{|r| r.commits(1)}
Topic.transaction do
@first.save!
Topic.transaction(:requires_new => true) do
@second.save!
raise ActiveRecord::Rollback
end
end
assert_equal 1, @first.commits
assert_equal 0, @first.rollbacks
assert_equal 0, @second.commits
assert_equal 1, @second.rollbacks
end
def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint_when_release_savepoint_fails
def @first.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end
def @first.commits(i=0); @commits ||= 0; @commits += i if i; end
@first.after_rollback_block{|r| r.rollbacks(1)}
@first.after_commit_block{|r| r.commits(1)}
Topic.transaction do
@first.save
Topic.transaction(:requires_new => true) do
@first.save!
raise ActiveRecord::Rollback
end
Topic.transaction(:requires_new => true) do
@first.save!
raise ActiveRecord::Rollback
end
end
assert_equal 1, @first.commits
assert_equal 2, @first.rollbacks
end
def test_after_transaction_callbacks_should_prevent_callbacks_from_being_called
def @first.last_after_transaction_error=(e); @last_transaction_error = e; end
def @first.last_after_transaction_error; @last_transaction_error; end
@first.after_commit_block{|r| r.last_after_transaction_error = :commit; raise "fail!";}
@first.after_rollback_block{|r| r.last_after_transaction_error = :rollback; raise "fail!";}
@second.after_commit_block{|r| r.history << :after_commit}
@second.after_rollback_block{|r| r.history << :after_rollback}
Topic.transaction do
@first.save!
@second.save!
end
assert_equal :commit, @first.last_after_transaction_error
assert_equal [:after_commit], @second.history
@second.history.clear
Topic.transaction do
@first.save!
@second.save!
raise ActiveRecord::Rollback
end
assert_equal :rollback, @first.last_after_transaction_error
assert_equal [:after_rollback], @second.history
end
def test_after_rollback_callbacks_should_validate_on_condition
assert_raise(ArgumentError) { Topic.send(:after_rollback, :on => :save) }
end
def test_after_commit_callbacks_should_validate_on_condition
assert_raise(ArgumentError) { Topic.send(:after_commit, :on => :save) }
end
end
class SaveFromAfterCommitBlockTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false
class TopicWithSaveInCallback < ActiveRecord::Base
self.table_name = :topics
after_commit :cache_topic, :on => :create
after_commit :call_update, :on => :update
attr_accessor :cached, :record_updated
def call_update
self.record_updated = true
end
def cache_topic
unless cached
self.cached = true
self.save
else
self.cached = false
end
end
end
def test_after_commit_in_save
topic = TopicWithSaveInCallback.new()
topic.save
assert_equal true, topic.cached
assert_equal true, topic.record_updated
end
end
class CallbacksOnMultipleActionsTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false
class TopicWithCallbacksOnMultipleActions < ActiveRecord::Base
self.table_name = :topics
after_commit(on: [:create, :destroy]) { |record| record.history << :create_and_destroy }
after_commit(on: [:create, :update]) { |record| record.history << :create_and_update }
after_commit(on: [:update, :destroy]) { |record| record.history << :update_and_destroy }
def clear_history
@history = []
end
def history
@history ||= []
end
end
def test_after_commit_on_multiple_actions
topic = TopicWithCallbacksOnMultipleActions.new
topic.save
assert_equal [:create_and_update, :create_and_destroy], topic.history
topic.clear_history
topic.approved = true
topic.save
assert_equal [:update_and_destroy, :create_and_update], topic.history
topic.clear_history
topic.destroy
assert_equal [:update_and_destroy, :create_and_destroy], topic.history
end
end
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