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after_commit_test.rb
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after_commit_test.rb
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require 'test_helper'
class MockRecord < ActiveRecord::Base
attr_accessor :before_commit_on_create_called
attr_accessor :before_commit_on_update_called
attr_accessor :before_commit_on_destroy_called
attr_accessor :before_commit_called
attr_accessor :after_commit_on_create_called
attr_accessor :after_commit_on_update_called
attr_accessor :after_commit_on_destroy_called
attr_accessor :after_commit_called
before_commit_on_create :do_before_create
def do_before_create
self.before_commit_on_create_called = true
end
before_commit_on_update :do_before_update
def do_before_update
self.before_commit_on_update_called = true
end
before_commit_on_destroy :do_before_destroy
def do_before_destroy
self.before_commit_on_destroy_called = true
end
before_commit :do_before_commit
def do_before_commit
self.before_commit_called = true
end
after_commit_on_create :do_after_create
def do_after_create
self.after_commit_on_create_called = true
end
after_commit_on_update :do_after_update
def do_after_update
self.after_commit_on_update_called = true
end
after_commit_on_destroy :do_after_destroy
def do_after_destroy
self.after_commit_on_destroy_called = true
end
after_commit :do_after_commit
def do_after_commit
self.after_commit_called = true
end
end
class CountingRecord < ActiveRecord::Base
attr_accessor :after_commit_on_create_called
cattr_accessor :counter
@@counter=0
after_commit_on_create :do_after_create
def do_after_create
@@counter+=1
end
end
class Foo < ActiveRecord::Base
attr_reader :creating
after_commit :create_bar
private
def create_bar
@creating ||= 0
@creating += 1
raise Exception, 'looping' if @creating > 1
Bar.create
end
end
class Bar < ActiveRecord::Base
#
end
class UnsavableRecord < ActiveRecord::Base
attr_accessor :after_commit_called
set_table_name 'mock_records'
protected
def after_initialize
self.after_commit_called = false
end
def after_save
raise
end
after_commit :after_commit
def after_commit
self.after_commit_called = true
end
end
class TrackCountRecord < ActiveRecord::Base
attr_accessor :total_count
set_table_name 'mock_records'
protected
after_commit :update_counts
after_rollback :update_counts
def update_counts
all_records =
AfterCommit.records(connection) +
AfterCommit.created_records(connection) +
AfterCommit.updated_records(connection) +
AfterCommit.destroyed_records(connection)
all_records.uniq!
self.total_count = all_records.size
end
end
class AfterCommitTest < Test::Unit::TestCase
def test_before_commit_on_create_is_called
assert_equal true, MockRecord.create!.before_commit_on_create_called
end
def test_before_commit_on_update_is_called
record = MockRecord.create!
record.save
assert_equal true, record.before_commit_on_update_called
end
def test_before_commit_on_destroy_is_called
assert_equal true, MockRecord.create!.destroy.before_commit_on_destroy_called
end
def test_after_commit_on_create_is_called
assert_equal true, MockRecord.create!.after_commit_on_create_called
end
def test_after_commit_on_update_is_called
record = MockRecord.create!
record.save
assert_equal true, record.after_commit_on_update_called
end
def test_after_commit_on_destroy_is_called
record = MockRecord.create!
# reset states set by create!
record.before_commit_called = false
record.after_commit_called = false
record.destroy
assert_equal true, record.after_commit_on_destroy_called
assert_equal false, record.after_commit_called
assert_equal false, record.before_commit_called
end
def test_after_commit_does_not_trigger_when_transaction_rolls_back
record = UnsavableRecord.new
begin; record.save; rescue; end
assert_equal false, record.after_commit_called
end
def test_after_commit_does_not_trigger_when_unrelated_transaction_commits
begin
CountingRecord.transaction do
CountingRecord.create!
raise "fail"
end
rescue
end
assert_equal 0, CountingRecord.counter
CountingRecord.create!
assert_equal 1, CountingRecord.counter
end
def test_two_transactions_are_separate
Bar.delete_all
foo = Foo.create
assert_equal 1, foo.creating
end
def test_records_with_callbacks_are_tracked
record = nil
MockRecord.transaction do
record = TrackCountRecord.create!
5.times.each { MockRecord.create! }
end
assert_equal 6, record.total_count
end
def test_records_without_callbacks_are_not_tracked
record = nil
MockRecord.transaction do
record = TrackCountRecord.create!
5.times.each { Bar.create! }
end
assert_equal 1, record.total_count
end
TestError = Class.new(StandardError)
def test_exceptions_in_before_commit_on_create_are_not_swallowed
record = MockRecord.new
def record.do_before_create
raise TestError, 'catch me!'
end
assert_raises(TestError){record.save!}
end
def test_exceptions_in_after_commit_on_create_are_not_swallowed
record = MockRecord.new
def record.do_after_create
raise TestError, 'catch me!'
end
assert_raises(TestError){record.save!}
end
def test_exceptions_in_before_commit_on_update_are_not_swallowed
record = MockRecord.create
def record.do_before_update
raise TestError, 'catch me!'
end
assert_raises(TestError){record.update_attributes({})}
end
def test_exceptions_in_after_commit_on_update_are_not_swallowed
record = MockRecord.create
def record.do_after_update
raise TestError, 'catch me!'
end
assert_raises(TestError){record.update_attributes({})}
end
def test_exceptions_in_before_commit_on_destroy_are_not_swallowed
record = MockRecord.create
def record.do_before_destroy
raise TestError, 'catch me!'
end
assert_raises(TestError){record.destroy}
end
def test_exceptions_in_after_commit_on_destroy_are_not_swallowed
record = MockRecord.create
def record.do_after_destroy
raise TestError, 'catch me!'
end
assert_raises(TestError){record.destroy}
end
def test_transactions_in_hooks_do_not_cause_spurious_rollbacks
record = MockRecord.create
def record.do_after_destroy
MockRecord.transaction{}
raise TestError, 'catch me!'
end
assert_raises(TestError){record.destroy}
end
end