mirror of
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synced 2022-11-09 12:12:34 -05:00
351 lines
11 KiB
Ruby
351 lines
11 KiB
Ruby
require "cases/helper"
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require 'models/owner'
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require 'models/pet'
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require 'models/topic'
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class TransactionCallbacksTest < ActiveRecord::TestCase
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self.use_transactional_fixtures = false
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fixtures :topics, :owners, :pets
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class ReplyWithCallbacks < ActiveRecord::Base
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self.table_name = :topics
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belongs_to :topic, foreign_key: "parent_id"
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validates_presence_of :content
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after_commit :do_after_commit, on: :create
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attr_accessor :save_on_after_create
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after_create do
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self.save! if save_on_after_create
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end
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def history
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@history ||= []
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end
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def do_after_commit
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history << :commit_on_create
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end
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end
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class TopicWithCallbacks < ActiveRecord::Base
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self.table_name = :topics
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has_many :replies, class_name: "ReplyWithCallbacks", foreign_key: "parent_id"
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after_commit { |record| record.do_after_commit(nil) }
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after_commit(on: :create) { |record| record.do_after_commit(:create) }
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after_commit(on: :update) { |record| record.do_after_commit(:update) }
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after_commit(on: :destroy) { |record| record.do_after_commit(:destroy) }
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after_rollback { |record| record.do_after_rollback(nil) }
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after_rollback(on: :create) { |record| record.do_after_rollback(:create) }
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after_rollback(on: :update) { |record| record.do_after_rollback(:update) }
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after_rollback(on: :destroy) { |record| record.do_after_rollback(:destroy) }
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def history
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@history ||= []
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end
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def after_commit_block(on = nil, &block)
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@after_commit ||= {}
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@after_commit[on] ||= []
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@after_commit[on] << block
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end
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def after_rollback_block(on = nil, &block)
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@after_rollback ||= {}
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@after_rollback[on] ||= []
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@after_rollback[on] << block
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end
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def do_after_commit(on)
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blocks = @after_commit[on] if defined?(@after_commit)
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blocks.each{|b| b.call(self)} if blocks
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end
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def do_after_rollback(on)
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blocks = @after_rollback[on] if defined?(@after_rollback)
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blocks.each{|b| b.call(self)} if blocks
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end
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end
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def setup
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@first = TopicWithCallbacks.find(1)
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end
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def test_call_after_commit_after_transaction_commits
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@first.after_commit_block{|r| r.history << :after_commit}
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@first.after_rollback_block{|r| r.history << :after_rollback}
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@first.save!
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assert_equal [:after_commit], @first.history
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end
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def test_only_call_after_commit_on_update_after_transaction_commits_for_existing_record
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add_transaction_execution_blocks @first
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@first.save!
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assert_equal [:commit_on_update], @first.history
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end
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def test_only_call_after_commit_on_destroy_after_transaction_commits_for_destroyed_record
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add_transaction_execution_blocks @first
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@first.destroy
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assert_equal [:commit_on_destroy], @first.history
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end
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def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record
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new_record = TopicWithCallbacks.new(:title => "New topic", :written_on => Date.today)
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add_transaction_execution_blocks new_record
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new_record.save!
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assert_equal [:commit_on_create], new_record.history
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end
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def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record_if_create_succeeds_creating_through_association
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topic = TopicWithCallbacks.create!(:title => "New topic", :written_on => Date.today)
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reply = topic.replies.create
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assert_equal [], reply.history
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end
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def test_only_call_after_commit_on_create_and_doesnt_leaky
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r = ReplyWithCallbacks.new(content: 'foo')
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r.save_on_after_create = true
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r.save!
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r.content = 'bar'
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r.save!
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r.save!
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assert_equal [:commit_on_create], r.history
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end
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def test_only_call_after_commit_on_update_after_transaction_commits_for_existing_record_on_touch
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add_transaction_execution_blocks @first
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@first.touch
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assert_equal [:commit_on_update], @first.history
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end
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def test_call_after_rollback_after_transaction_rollsback
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@first.after_commit_block{|r| r.history << :after_commit}
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@first.after_rollback_block{|r| r.history << :after_rollback}
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Topic.transaction do
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@first.save!
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raise ActiveRecord::Rollback
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end
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assert_equal [:after_rollback], @first.history
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end
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def test_only_call_after_rollback_on_update_after_transaction_rollsback_for_existing_record
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add_transaction_execution_blocks @first
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Topic.transaction do
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@first.save!
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raise ActiveRecord::Rollback
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end
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assert_equal [:rollback_on_update], @first.history
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end
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def test_only_call_after_rollback_on_update_after_transaction_rollsback_for_existing_record_on_touch
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add_transaction_execution_blocks @first
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Topic.transaction do
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@first.touch
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raise ActiveRecord::Rollback
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end
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assert_equal [:rollback_on_update], @first.history
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end
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def test_only_call_after_rollback_on_destroy_after_transaction_rollsback_for_destroyed_record
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add_transaction_execution_blocks @first
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Topic.transaction do
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@first.destroy
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raise ActiveRecord::Rollback
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end
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assert_equal [:rollback_on_destroy], @first.history
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end
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def test_only_call_after_rollback_on_create_after_transaction_rollsback_for_new_record
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new_record = TopicWithCallbacks.new(:title => "New topic", :written_on => Date.today)
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add_transaction_execution_blocks new_record
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Topic.transaction do
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new_record.save!
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raise ActiveRecord::Rollback
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end
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assert_equal [:rollback_on_create], new_record.history
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end
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def test_call_after_rollback_when_commit_fails
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@first.class.connection.singleton_class.send(:alias_method, :real_method_commit_db_transaction, :commit_db_transaction)
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begin
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@first.class.connection.singleton_class.class_eval do
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def commit_db_transaction; raise "boom!"; end
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end
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@first.after_commit_block{|r| r.history << :after_commit}
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@first.after_rollback_block{|r| r.history << :after_rollback}
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assert !@first.save rescue nil
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assert_equal [:after_rollback], @first.history
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ensure
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@first.class.connection.singleton_class.send(:remove_method, :commit_db_transaction)
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@first.class.connection.singleton_class.send(:alias_method, :commit_db_transaction, :real_method_commit_db_transaction)
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end
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end
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def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint
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def @first.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end
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def @first.commits(i=0); @commits ||= 0; @commits += i if i; end
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@first.after_rollback_block{|r| r.rollbacks(1)}
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@first.after_commit_block{|r| r.commits(1)}
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second = TopicWithCallbacks.find(3)
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def second.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end
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def second.commits(i=0); @commits ||= 0; @commits += i if i; end
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second.after_rollback_block{|r| r.rollbacks(1)}
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second.after_commit_block{|r| r.commits(1)}
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Topic.transaction do
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@first.save!
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Topic.transaction(:requires_new => true) do
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second.save!
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raise ActiveRecord::Rollback
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end
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end
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assert_equal 1, @first.commits
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assert_equal 0, @first.rollbacks
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assert_equal 0, second.commits
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assert_equal 1, second.rollbacks
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end
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def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint_when_release_savepoint_fails
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def @first.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end
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def @first.commits(i=0); @commits ||= 0; @commits += i if i; end
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@first.after_rollback_block{|r| r.rollbacks(1)}
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@first.after_commit_block{|r| r.commits(1)}
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Topic.transaction do
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@first.save
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Topic.transaction(:requires_new => true) do
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@first.save!
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raise ActiveRecord::Rollback
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end
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Topic.transaction(:requires_new => true) do
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@first.save!
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raise ActiveRecord::Rollback
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end
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end
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assert_equal 1, @first.commits
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assert_equal 2, @first.rollbacks
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end
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def test_after_transaction_callbacks_should_prevent_callbacks_from_being_called
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def @first.last_after_transaction_error=(e); @last_transaction_error = e; end
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def @first.last_after_transaction_error; @last_transaction_error; end
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@first.after_commit_block{|r| r.last_after_transaction_error = :commit; raise "fail!";}
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@first.after_rollback_block{|r| r.last_after_transaction_error = :rollback; raise "fail!";}
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second = TopicWithCallbacks.find(3)
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second.after_commit_block{|r| r.history << :after_commit}
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second.after_rollback_block{|r| r.history << :after_rollback}
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Topic.transaction do
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@first.save!
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second.save!
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end
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assert_equal :commit, @first.last_after_transaction_error
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assert_equal [:after_commit], second.history
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second.history.clear
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Topic.transaction do
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@first.save!
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second.save!
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raise ActiveRecord::Rollback
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end
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assert_equal :rollback, @first.last_after_transaction_error
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assert_equal [:after_rollback], second.history
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end
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def test_after_rollback_callbacks_should_validate_on_condition
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assert_raise(ArgumentError) { Topic.after_rollback(on: :save) }
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end
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def test_after_commit_callbacks_should_validate_on_condition
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assert_raise(ArgumentError) { Topic.after_commit(on: :save) }
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end
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def test_saving_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_call_callbacks_on_the_parent_object
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pet = Pet.first
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owner = pet.owner
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flag = false
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owner.on_after_commit do
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flag = true
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end
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pet.name = "Fluffy the Third"
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pet.save
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assert flag
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end
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private
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def add_transaction_execution_blocks(record)
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record.after_commit_block(:create) { |r| r.history << :commit_on_create }
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record.after_commit_block(:update) { |r| r.history << :commit_on_update }
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record.after_commit_block(:destroy) { |r| r.history << :commit_on_destroy }
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record.after_rollback_block(:create) { |r| r.history << :rollback_on_create }
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record.after_rollback_block(:update) { |r| r.history << :rollback_on_update }
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record.after_rollback_block(:destroy) { |r| r.history << :rollback_on_destroy }
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end
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end
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class CallbacksOnMultipleActionsTest < ActiveRecord::TestCase
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self.use_transactional_fixtures = false
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class TopicWithCallbacksOnMultipleActions < ActiveRecord::Base
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self.table_name = :topics
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after_commit(on: [:create, :destroy]) { |record| record.history << :create_and_destroy }
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after_commit(on: [:create, :update]) { |record| record.history << :create_and_update }
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after_commit(on: [:update, :destroy]) { |record| record.history << :update_and_destroy }
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def clear_history
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@history = []
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end
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def history
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@history ||= []
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end
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end
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def test_after_commit_on_multiple_actions
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topic = TopicWithCallbacksOnMultipleActions.new
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topic.save
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assert_equal [:create_and_update, :create_and_destroy], topic.history
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topic.clear_history
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topic.approved = true
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topic.save
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assert_equal [:update_and_destroy, :create_and_update], topic.history
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topic.clear_history
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topic.destroy
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assert_equal [:update_and_destroy, :create_and_destroy], topic.history
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end
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end
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