diff options
Diffstat (limited to 'activerecord/test/cases/transactions_test.rb')
| -rw-r--r-- | activerecord/test/cases/transactions_test.rb | 160 |
1 files changed, 117 insertions, 43 deletions
diff --git a/activerecord/test/cases/transactions_test.rb b/activerecord/test/cases/transactions_test.rb index 1009dd0f99..6795996cca 100644 --- a/activerecord/test/cases/transactions_test.rb +++ b/activerecord/test/cases/transactions_test.rb @@ -18,6 +18,65 @@ class TransactionTest < ActiveRecord::TestCase @first, @second = Topic.find(1, 2).sort_by(&:id) end + def test_rollback_dirty_changes + topic = topics(:fifth) + + ActiveRecord::Base.transaction do + topic.update(title: "Ruby on Rails") + raise ActiveRecord::Rollback + end + + title_change = ["The Fifth Topic of the day", "Ruby on Rails"] + assert_equal title_change, topic.changes["title"] + end + + def test_rollback_dirty_changes_multiple_saves + topic = topics(:fifth) + + ActiveRecord::Base.transaction do + topic.update(title: "Ruby on Rails") + topic.update(title: "Another Title") + raise ActiveRecord::Rollback + end + + title_change = ["The Fifth Topic of the day", "Another Title"] + assert_equal title_change, topic.changes["title"] + end + + def test_rollback_dirty_changes_then_retry_save + topic = topics(:fifth) + + ActiveRecord::Base.transaction do + topic.update(title: "Ruby on Rails") + raise ActiveRecord::Rollback + end + + title_change = ["The Fifth Topic of the day", "Ruby on Rails"] + assert_equal title_change, topic.changes["title"] + + assert topic.save + + assert_equal title_change, topic.saved_changes["title"] + assert_equal topic.title, topic.reload.title + end + + def test_rollback_dirty_changes_then_retry_save_on_new_record + topic = Topic.new(title: "Ruby on Rails") + + ActiveRecord::Base.transaction do + topic.save + raise ActiveRecord::Rollback + end + + title_change = [nil, "Ruby on Rails"] + assert_equal title_change, topic.changes["title"] + + assert topic.save + + assert_equal title_change, topic.saved_changes["title"] + assert_equal topic.title, topic.reload.title + end + def test_persisted_in_a_model_with_custom_primary_key_after_failed_save movie = Movie.create assert_not_predicate movie, :persisted? @@ -26,28 +85,31 @@ class TransactionTest < ActiveRecord::TestCase def test_raise_after_destroy assert_not_predicate @first, :frozen? - assert_raises(RuntimeError) { - Topic.transaction do - @first.destroy - assert_predicate @first, :frozen? - raise + assert_not_called(@first, :rolledback!) do + assert_raises(RuntimeError) do + Topic.transaction do + @first.destroy + assert_predicate @first, :frozen? + raise + end end - } + end - assert @first.reload assert_not_predicate @first, :frozen? end def test_successful - Topic.transaction do - @first.approved = true - @second.approved = false - @first.save - @second.save + assert_not_called(@first, :committed!) do + Topic.transaction do + @first.approved = true + @second.approved = false + @first.save + @second.save + end end - assert Topic.find(1).approved?, "First should have been approved" - assert_not Topic.find(2).approved?, "Second should have been unapproved" + assert_predicate Topic.find(1), :approved?, "First should have been approved" + assert_not_predicate Topic.find(2), :approved?, "Second should have been unapproved" end def transaction_with_return @@ -62,7 +124,7 @@ class TransactionTest < ActiveRecord::TestCase def test_add_to_null_transaction topic = Topic.new - topic.add_to_transaction + topic.send(:add_to_transaction) end def test_successful_with_return @@ -76,11 +138,13 @@ class TransactionTest < ActiveRecord::TestCase end end - transaction_with_return + assert_not_called(@first, :committed!) do + transaction_with_return + end assert committed - assert Topic.find(1).approved?, "First should have been approved" - assert_not Topic.find(2).approved?, "Second should have been unapproved" + assert_predicate Topic.find(1), :approved?, "First should have been approved" + assert_not_predicate Topic.find(2), :approved?, "Second should have been unapproved" ensure Topic.connection.class_eval do remove_method :commit_db_transaction @@ -99,9 +163,11 @@ class TransactionTest < ActiveRecord::TestCase end end - Topic.transaction do - @first.approved = true - @first.save! + assert_not_called(@first, :committed!) do + Topic.transaction do + @first.approved = true + @first.save! + end end assert_equal 0, num @@ -113,19 +179,21 @@ class TransactionTest < ActiveRecord::TestCase end def test_successful_with_instance_method - @first.transaction do - @first.approved = true - @second.approved = false - @first.save - @second.save + assert_not_called(@first, :committed!) do + @first.transaction do + @first.approved = true + @second.approved = false + @first.save + @second.save + end end - assert Topic.find(1).approved?, "First should have been approved" - assert_not Topic.find(2).approved?, "Second should have been unapproved" + assert_predicate Topic.find(1), :approved?, "First should have been approved" + assert_not_predicate Topic.find(2), :approved?, "Second should have been unapproved" end def test_failing_on_exception - begin + assert_not_called(@first, :rolledback!) do Topic.transaction do @first.approved = true @second.approved = false @@ -137,11 +205,11 @@ class TransactionTest < ActiveRecord::TestCase # caught it end - assert @first.approved?, "First should still be changed in the objects" - assert_not @second.approved?, "Second should still be changed in the objects" + assert_predicate @first, :approved?, "First should still be changed in the objects" + assert_not_predicate @second, :approved?, "Second should still be changed in the objects" - assert_not Topic.find(1).approved?, "First shouldn't have been approved" - assert Topic.find(2).approved?, "Second should still be approved" + assert_not_predicate Topic.find(1), :approved?, "First shouldn't have been approved" + assert_predicate Topic.find(2), :approved?, "Second should still be approved" end def test_raising_exception_in_callback_rollbacks_in_save @@ -150,8 +218,10 @@ class TransactionTest < ActiveRecord::TestCase end @first.approved = true - e = assert_raises(RuntimeError) { @first.save } - assert_equal "Make the transaction rollback", e.message + assert_not_called(@first, :rolledback!) do + e = assert_raises(RuntimeError) { @first.save } + assert_equal "Make the transaction rollback", e.message + end assert_not_predicate Topic.find(1), :approved? end @@ -159,13 +229,15 @@ class TransactionTest < ActiveRecord::TestCase def @first.before_save_for_transaction raise ActiveRecord::Rollback end - assert_not @first.approved + assert_not_predicate @first, :approved? - Topic.transaction do - @first.approved = true - @first.save! + assert_not_called(@first, :rolledback!) do + Topic.transaction do + @first.approved = true + @first.save! + end end - assert_not Topic.find(@first.id).approved?, "Should not commit the approved flag" + assert_not_predicate Topic.find(@first.id), :approved?, "Should not commit the approved flag" end def test_raising_exception_in_nested_transaction_restore_state_in_save @@ -175,11 +247,13 @@ class TransactionTest < ActiveRecord::TestCase raise "Make the transaction rollback" end - assert_raises(RuntimeError) do - Topic.transaction { topic.save } + assert_not_called(topic, :rolledback!) do + assert_raises(RuntimeError) do + Topic.transaction { topic.save } + end end - assert topic.new_record?, "#{topic.inspect} should be new record" + assert_predicate topic, :new_record?, "#{topic.inspect} should be new record" end def test_transaction_state_is_cleared_when_record_is_persisted |