2c0fa32088
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1399 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
118 lines
3.0 KiB
Ruby
118 lines
3.0 KiB
Ruby
require 'abstract_unit'
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require 'fixtures/topic'
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class TransactionTest < Test::Unit::TestCase
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self.use_transactional_fixtures = false
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fixtures :topics
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def setup
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# sqlite does not seem to return these in the right order, so we sort them
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# explicitly for sqlite's sake. sqlite3 does fine.
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@first, @second = Topic.find(1, 2).sort_by { |t| t.id }
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end
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def test_successful
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Topic.transaction do
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@first.approved = 1
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@second.approved = 0
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@first.save
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@second.save
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end
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assert Topic.find(1).approved?, "First should have been approved"
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assert !Topic.find(2).approved?, "Second should have been unapproved"
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end
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def test_successful_with_instance_method
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@first.transaction do
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@first.approved = 1
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@second.approved = 0
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@first.save
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@second.save
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end
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assert Topic.find(1).approved?, "First should have been approved"
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assert !Topic.find(2).approved?, "Second should have been unapproved"
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end
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def test_failing_on_exception
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begin
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Topic.transaction do
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@first.approved = true
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@second.approved = false
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@first.save
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@second.save
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raise "Bad things!"
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end
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rescue
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# caught it
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end
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assert @first.approved?, "First should still be changed in the objects"
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assert !@second.approved?, "Second should still be changed in the objects"
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assert !Topic.find(1).approved?, "First shouldn't have been approved"
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assert Topic.find(2).approved?, "Second should still be approved"
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end
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def test_failing_with_object_rollback
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assert !@first.approved?, "First should be unapproved initially"
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begin
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Topic.transaction(@first, @second) do
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@first.approved = true
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@second.approved = false
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@first.save
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@second.save
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raise "Bad things!"
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end
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rescue
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# caught it
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end
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assert !@first.approved?, "First shouldn't have been approved"
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assert @second.approved?, "Second should still be approved"
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end
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def test_callback_rollback_in_save
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add_exception_raising_after_save_callback_to_topic
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begin
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@first.approved = true
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@first.save
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flunk
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rescue => e
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assert_equal "Make the transaction rollback", e.message
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assert !Topic.find(1).approved?
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ensure
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remove_exception_raising_after_save_callback_to_topic
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end
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end
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def test_nested_explicit_transactions
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Topic.transaction do
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Topic.transaction do
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@first.approved = 1
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@second.approved = 0
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@first.save
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@second.save
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end
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end
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assert Topic.find(1).approved?, "First should have been approved"
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assert !Topic.find(2).approved?, "Second should have been unapproved"
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end
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private
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def add_exception_raising_after_save_callback_to_topic
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Topic.class_eval { def after_save() raise "Make the transaction rollback" end }
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end
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def remove_exception_raising_after_save_callback_to_topic
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Topic.class_eval { remove_method :after_save }
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end
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end
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