111 lines
2.8 KiB
Ruby
111 lines
2.8 KiB
Ruby
|
require 'abstract_unit'
|
||
|
|
require 'fixtures/topic'
|
||
|
|
|
||
|
|
|
||
|
|
class TransactionTest < Test::Unit::TestCase
|
||
|
|
def setup
|
||
|
|
@topics = create_fixtures "topics"
|
||
|
|
@first, @second = Topic.find(1, 2)
|
||
|
|
end
|
||
|
|
|
||
|
|
def test_successful
|
||
|
|
Topic.transaction do
|
||
|
|
@first.approved = 1
|
||
|
|
@second.approved = 0
|
||
|
|
@first.save
|
||
|
|
@second.save
|
||
|
|
end
|
||
|
|
|
||
|
|
assert Topic.find(1).approved?, "First should have been approved"
|
||
|
|
assert !Topic.find(2).approved?, "Second should have been unapproved"
|
||
|
|
end
|
||
|
|
|
||
|
|
def test_successful_with_instance_method
|
||
|
|
@first.transaction do
|
||
|
|
@first.approved = 1
|
||
|
|
@second.approved = 0
|
||
|
|
@first.save
|
||
|
|
@second.save
|
||
|
|
end
|
||
|
|
|
||
|
|
assert Topic.find(1).approved?, "First should have been approved"
|
||
|
|
assert !Topic.find(2).approved?, "Second should have been unapproved"
|
||
|
|
end
|
||
|
|
|
||
|
|
def test_failing_on_exception
|
||
|
|
begin
|
||
|
|
Topic.transaction do
|
||
|
|
@first.approved = true
|
||
|
|
@second.approved = false
|
||
|
|
@first.save
|
||
|
|
@second.save
|
||
|
|
raise "Bad things!"
|
||
|
|
end
|
||
|
|
rescue
|
||
|
|
# caught it
|
||
|
|
end
|
||
|
|
|
||
|
|
assert @first.approved?, "First should still be changed in the objects"
|
||
|
|
assert !@second.approved?, "Second should still be changed in the objects"
|
||
|
|
|
||
|
|
assert !Topic.find(1).approved?, "First shouldn't have been approved"
|
||
|
|
assert Topic.find(2).approved?, "Second should still be approved"
|
||
|
|
end
|
||
|
|
|
||
|
|
def test_failing_with_object_rollback
|
||
|
|
begin
|
||
|
|
Topic.transaction(@first, @second) do
|
||
|
|
@first.approved = true
|
||
|
|
@second.approved = false
|
||
|
|
@first.save
|
||
|
|
@second.save
|
||
|
|
raise "Bad things!"
|
||
|
|
end
|
||
|
|
rescue
|
||
|
|
# caught it
|
||
|
|
end
|
||
|
|
|
||
|
|
assert !@first.approved?, "First shouldn't have been approved"
|
||
|
|
assert @second.approved?, "Second should still be approved"
|
||
|
|
end
|
||
|
|
|
||
|
|
def test_callback_rollback_in_save
|
||
|
|
add_exception_raising_after_save_callback_to_topic
|
||
|
|
|
||
|
|
begin
|
||
|
|
@first.approved = true
|
||
|
|
@first.save
|
||
|
|
flunk
|
||
|
|
rescue => e
|
||
|
|
assert_equal "Make the transaction rollback", e.message
|
||
|
|
assert !Topic.find(1).approved?
|
||
|
|
ensure
|
||
|
|
remove_exception_raising_after_save_callback_to_topic
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def xtest_nested_explicit_transactions
|
||
|
|
Topic.transaction do
|
||
|
|
Topic.transaction do
|
||
|
|
@first.approved = 1
|
||
|
|
@second.approved = 0
|
||
|
|
@first.save
|
||
|
|
@second.save
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
assert Topic.find(1).approved?, "First should have been approved"
|
||
|
|
assert !Topic.find(2).approved?, "Second should have been unapproved"
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
private
|
||
|
|
def add_exception_raising_after_save_callback_to_topic
|
||
|
|
Topic.class_eval { def after_save() raise "Make the transaction rollback" end }
|
||
|
|
end
|
||
|
|
|
||
|
|
def remove_exception_raising_after_save_callback_to_topic
|
||
|
|
Topic.class_eval { remove_method :after_save }
|
||
|
|
end
|
||
|
|
end
|