293 lines
11 KiB
Ruby
293 lines
11 KiB
Ruby
require "cases/helper"
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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
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class TopicWithCallbacks < ActiveRecord::Base
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self.table_name = :topics
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after_commit{|record| record.send(:do_after_commit, nil)}
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after_commit(:on => :create){|record| record.send(:do_after_commit, :create)}
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after_commit(:on => :update){|record| record.send(:do_after_commit, :update)}
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after_commit(:on => :destroy){|record| record.send(:do_after_commit, :destroy)}
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after_rollback{|record| record.send(:do_after_rollback, nil)}
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after_rollback(:on => :create){|record| record.send(:do_after_rollback, :create)}
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after_rollback(:on => :update){|record| record.send(:do_after_rollback, :update)}
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after_rollback(:on => :destroy){|record| record.send(: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, @second = TopicWithCallbacks.find(1, 3).sort_by { |t| t.id }
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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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@first.after_commit_block(:create){|r| r.history << :commit_on_create}
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@first.after_commit_block(:update){|r| r.history << :commit_on_update}
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@first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
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@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
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@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
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@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
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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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@first.after_commit_block(:create){|r| r.history << :commit_on_create}
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@first.after_commit_block(:update){|r| r.history << :commit_on_update}
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@first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
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@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
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@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
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@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
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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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@new_record.after_commit_block(:create){|r| r.history << :commit_on_create}
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@new_record.after_commit_block(:update){|r| r.history << :commit_on_update}
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@new_record.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
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@new_record.after_rollback_block(:create){|r| r.history << :rollback_on_create}
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@new_record.after_rollback_block(:update){|r| r.history << :rollback_on_update}
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@new_record.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
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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_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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@first.after_commit_block(:create){|r| r.history << :commit_on_create}
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@first.after_commit_block(:update){|r| r.history << :commit_on_update}
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@first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
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@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
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@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
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@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
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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_destroy_after_transaction_rollsback_for_destroyed_record
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@first.after_commit_block(:create){|r| r.history << :commit_on_create}
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@first.after_commit_block(:update){|r| r.history << :commit_on_update}
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@first.after_commit_block(:destroy){|r| r.history << :commit_on_update}
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@first.after_rollback_block(:create){|r| r.history << :rollback_on_create}
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@first.after_rollback_block(:update){|r| r.history << :rollback_on_update}
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@first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
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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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@new_record.after_commit_block(:create){|r| r.history << :commit_on_create}
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@new_record.after_commit_block(:update){|r| r.history << :commit_on_update}
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@new_record.after_commit_block(:destroy){|r| r.history << :commit_on_destroy}
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@new_record.after_rollback_block(:create){|r| r.history << :rollback_on_create}
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@new_record.after_rollback_block(:update){|r| r.history << :rollback_on_update}
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@new_record.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy}
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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.connection.class.send(:alias_method, :real_method_commit_db_transaction, :commit_db_transaction)
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begin
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@first.connection.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.connection.class.send(:remove_method, :commit_db_transaction)
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@first.connection.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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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.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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end
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class TransactionObserverCallbacksTest < ActiveRecord::TestCase
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self.use_transactional_fixtures = false
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fixtures :topics
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class TopicWithObserverAttached < ActiveRecord::Base
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self.table_name = :topics
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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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class TopicWithObserverAttachedObserver < ActiveRecord::Observer
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def after_commit(record)
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record.history.push "after_commit"
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end
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def after_rollback(record)
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record.history.push "after_rollback"
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end
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end
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def test_after_commit_called
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assert TopicWithObserverAttachedObserver.instance, 'should have observer'
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topic = TopicWithObserverAttached.new
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topic.save!
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assert_equal %w{ after_commit }, topic.history
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end
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def test_after_rollback_called
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assert TopicWithObserverAttachedObserver.instance, 'should have observer'
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topic = TopicWithObserverAttached.new
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Topic.transaction do
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topic.save!
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raise ActiveRecord::Rollback
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end
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assert_equal %w{ after_rollback }, topic.history
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end
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end
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