diff options
Diffstat (limited to 'activerecord/test/cases/transactions_test.rb')
-rw-r--r-- | activerecord/test/cases/transactions_test.rb | 232 |
1 files changed, 216 insertions, 16 deletions
diff --git a/activerecord/test/cases/transactions_test.rb b/activerecord/test/cases/transactions_test.rb index 5c6d78b574..c110fa2f7d 100644 --- a/activerecord/test/cases/transactions_test.rb +++ b/activerecord/test/cases/transactions_test.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "cases/helper" require "models/topic" require "models/reply" @@ -304,6 +306,76 @@ class TransactionTest < ActiveRecord::TestCase assert !Topic.find(2).approved?, "Second should have been unapproved" end + def test_nested_transaction_with_new_transaction_applies_parent_state_on_rollback + topic_one = Topic.new(title: "A new topic") + topic_two = Topic.new(title: "Another new topic") + + Topic.transaction do + topic_one.save + + Topic.transaction(requires_new: true) do + topic_two.save + + assert_predicate topic_one, :persisted? + assert_predicate topic_two, :persisted? + end + + raise ActiveRecord::Rollback + end + + refute_predicate topic_one, :persisted? + refute_predicate topic_two, :persisted? + end + + def test_nested_transaction_without_new_transaction_applies_parent_state_on_rollback + topic_one = Topic.new(title: "A new topic") + topic_two = Topic.new(title: "Another new topic") + + Topic.transaction do + topic_one.save + + Topic.transaction do + topic_two.save + + assert_predicate topic_one, :persisted? + assert_predicate topic_two, :persisted? + end + + raise ActiveRecord::Rollback + end + + refute_predicate topic_one, :persisted? + refute_predicate topic_two, :persisted? + end + + def test_double_nested_transaction_applies_parent_state_on_rollback + topic_one = Topic.new(title: "A new topic") + topic_two = Topic.new(title: "Another new topic") + topic_three = Topic.new(title: "Another new topic of course") + + Topic.transaction do + topic_one.save + + Topic.transaction do + topic_two.save + + Topic.transaction do + topic_three.save + end + end + + assert_predicate topic_one, :persisted? + assert_predicate topic_two, :persisted? + assert_predicate topic_three, :persisted? + + raise ActiveRecord::Rollback + end + + refute_predicate topic_one, :persisted? + refute_predicate topic_two, :persisted? + refute_predicate topic_three, :persisted? + end + def test_manually_rolling_back_a_transaction Topic.transaction do @first.approved = true @@ -504,7 +576,7 @@ class TransactionTest < ActiveRecord::TestCase def test_rollback_when_saving_a_frozen_record topic = Topic.new(title: "test") topic.freeze - e = assert_raise(RuntimeError) { topic.save } + e = assert_raise(frozen_error_class) { topic.save } # Not good enough, but we can't do much # about it since there is no specific error # for frozen objects. @@ -595,6 +667,98 @@ class TransactionTest < ActiveRecord::TestCase assert_not topic.frozen? end + def test_restore_id_after_rollback + topic = Topic.new + + Topic.transaction do + topic.save! + raise ActiveRecord::Rollback + end + + assert_nil topic.id + end + + def test_restore_custom_primary_key_after_rollback + movie = Movie.new(name: "foo") + + Movie.transaction do + movie.save! + raise ActiveRecord::Rollback + end + + assert_nil movie.movieid + end + + def test_assign_id_after_rollback + topic = Topic.create! + + Topic.transaction do + topic.save! + raise ActiveRecord::Rollback + end + + topic.id = nil + assert_nil topic.id + end + + def test_assign_custom_primary_key_after_rollback + movie = Movie.create!(name: "foo") + + Movie.transaction do + movie.save! + raise ActiveRecord::Rollback + end + + movie.movieid = nil + assert_nil movie.movieid + end + + def test_read_attribute_after_rollback + topic = Topic.new + + Topic.transaction do + topic.save! + raise ActiveRecord::Rollback + end + + assert_nil topic.read_attribute(:id) + end + + def test_read_attribute_with_custom_primary_key_after_rollback + movie = Movie.new(name: "foo") + + Movie.transaction do + movie.save! + raise ActiveRecord::Rollback + end + + assert_nil movie.read_attribute(:movieid) + end + + def test_write_attribute_after_rollback + topic = Topic.create! + + Topic.transaction do + topic.save! + raise ActiveRecord::Rollback + end + + topic.write_attribute(:id, nil) + assert_nil topic.id + end + + def test_write_attribute_with_custom_primary_key_after_rollback + movie = Movie.create!(name: "foo") + + Movie.transaction do + movie.save! + raise ActiveRecord::Rollback + end + + movie.write_attribute(:movieid, nil) + assert_nil movie.movieid + end + def test_rollback_of_frozen_records topic = Topic.create.freeze Topic.transaction do @@ -679,6 +843,44 @@ class TransactionTest < ActiveRecord::TestCase assert transaction.state.committed? end + def test_set_state_method_is_deprecated + connection = Topic.connection + transaction = ActiveRecord::ConnectionAdapters::TransactionManager.new(connection).begin_transaction + + transaction.commit + + assert_deprecated do + transaction.state.set_state(:rolledback) + end + end + + def test_mark_transaction_state_as_committed + connection = Topic.connection + transaction = ActiveRecord::ConnectionAdapters::TransactionManager.new(connection).begin_transaction + + transaction.rollback + + assert_equal :committed, transaction.state.commit! + end + + def test_mark_transaction_state_as_rolledback + connection = Topic.connection + transaction = ActiveRecord::ConnectionAdapters::TransactionManager.new(connection).begin_transaction + + transaction.commit + + assert_equal :rolledback, transaction.state.rollback! + end + + def test_mark_transaction_state_as_nil + connection = Topic.connection + transaction = ActiveRecord::ConnectionAdapters::TransactionManager.new(connection).begin_transaction + + transaction.commit + + assert_nil transaction.state.nullify! + end + def test_transaction_rollback_with_primarykeyless_tables connection = ActiveRecord::Base.connection connection.create_table(:transaction_without_primary_keys, force: true, id: false) do |t| @@ -752,27 +954,25 @@ class TransactionsWithTransactionalFixturesTest < ActiveRecord::TestCase end end if Topic.connection.supports_savepoints? -if current_adapter?(:PostgreSQLAdapter) +if ActiveRecord::Base.connection.supports_transaction_isolation? class ConcurrentTransactionTest < TransactionTest # This will cause transactions to overlap and fail unless they are performed on # separate database connections. - unless in_memory_db? - def test_transaction_per_thread - threads = 3.times.map do - Thread.new do - Topic.transaction do - topic = Topic.find(1) - topic.approved = !topic.approved? - assert topic.save! - topic.approved = !topic.approved? - assert topic.save! - end - Topic.connection.close + def test_transaction_per_thread + threads = 3.times.map do + Thread.new do + Topic.transaction do + topic = Topic.find(1) + topic.approved = !topic.approved? + assert topic.save! + topic.approved = !topic.approved? + assert topic.save! end + Topic.connection.close end - - threads.each(&:join) end + + threads.each(&:join) end # Test for dirty reads among simultaneous transactions. |