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rails--rails/activerecord/test/cases/transaction_callbacks_test.rb

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# frozen_string_literal: true
require "cases/helper"
require "models/owner"
require "models/pet"
require "models/topic"
class TransactionCallbacksTest < ActiveRecord::TestCase
fixtures :topics, :owners, :pets
class ReplyWithCallbacks < ActiveRecord::Base
self.table_name = :topics
belongs_to :topic, foreign_key: "parent_id"
validates_presence_of :content
after_commit :do_after_commit, on: :create
attr_accessor :save_on_after_create
after_create do
save! if save_on_after_create
end
def history
@history ||= []
end
def do_after_commit
history << :commit_on_create
end
end
class TopicWithCallbacks < ActiveRecord::Base
self.table_name = :topics
has_many :replies, class_name: "ReplyWithCallbacks", foreign_key: "parent_id"
attr_accessor :abort_before_update, :abort_before_destroy
before_update { throw :abort if abort_before_update }
before_destroy { throw :abort if abort_before_destroy }
before_destroy { self.class.find(id).touch if persisted? }
before_commit { |record| record.do_before_commit(nil) }
after_commit { |record| record.do_after_commit(nil) }
after_save_commit { |record| record.do_after_commit(:save) }
after_create_commit { |record| record.do_after_commit(:create) }
after_update_commit { |record| record.do_after_commit(:update) }
after_destroy_commit { |record| record.do_after_commit(:destroy) }
after_rollback { |record| record.do_after_rollback(nil) }
after_rollback(on: :create) { |record| record.do_after_rollback(:create) }
after_rollback(on: :update) { |record| record.do_after_rollback(:update) }
after_rollback(on: :destroy) { |record| record.do_after_rollback(:destroy) }
def history
@history ||= []
end
def before_commit_block(on = nil, &block)
@before_commit ||= {}
@before_commit[on] ||= []
@before_commit[on] << block
end
def after_commit_block(on = nil, &block)
@after_commit ||= {}
@after_commit[on] ||= []
@after_commit[on] << block
end
def after_rollback_block(on = nil, &block)
@after_rollback ||= {}
@after_rollback[on] ||= []
@after_rollback[on] << block
end
def do_before_commit(on)
blocks = @before_commit[on] if defined?(@before_commit)
blocks.each { |b| b.call(self) } if blocks
end
def do_after_commit(on)
blocks = @after_commit[on] if defined?(@after_commit)
blocks.each { |b| b.call(self) } if blocks
end
def do_after_rollback(on)
blocks = @after_rollback[on] if defined?(@after_rollback)
blocks.each { |b| b.call(self) } if blocks
end
end
def setup
@first = TopicWithCallbacks.find(1)
end
# FIXME: Test behavior, not implementation.
def test_before_commit_exception_should_pop_transaction_stack
@first.before_commit_block { raise "better pop this txn from the stack!" }
original_txn = @first.class.connection.current_transaction
begin
@first.save!
fail
rescue
assert_equal original_txn, @first.class.connection.current_transaction
end
end
def test_call_after_commit_after_transaction_commits
@first.after_commit_block { |r| r.history << :after_commit }
@first.after_rollback_block { |r| r.history << :after_rollback }
@first.save!
assert_equal [:after_commit], @first.history
end
def test_dont_call_any_callbacks_after_transaction_commits_for_invalid_record
@first.after_commit_block { |r| r.history << :after_commit }
@first.after_rollback_block { |r| r.history << :after_rollback }
def @first.valid?(*)
false
end
assert_not @first.save
assert_equal [], @first.history
end
def test_dont_call_any_callbacks_after_explicit_transaction_commits_for_invalid_record
@first.after_commit_block { |r| r.history << :after_commit }
@first.after_rollback_block { |r| r.history << :after_rollback }
def @first.valid?(*)
false
end
@first.transaction do
assert_not @first.save
end
assert_equal [], @first.history
end
def test_dont_call_after_commit_on_update_based_on_previous_transaction
@first.save!
add_transaction_execution_blocks(@first)
@first.abort_before_update = true
@first.transaction { @first.save }
assert_empty @first.history
end
def test_dont_call_after_commit_on_destroy_based_on_previous_transaction
@first.destroy!
add_transaction_execution_blocks(@first)
@first.abort_before_destroy = true
@first.transaction { @first.destroy }
assert_empty @first.history
end
def test_only_call_after_commit_on_save_after_transaction_commits_for_saving_record
record = TopicWithCallbacks.new(title: "New topic", written_on: Date.today)
record.after_commit_block(:save) { |r| r.history << :after_save }
record.save!
assert_equal [:after_save], record.history
record.update!(title: "Another topic")
assert_equal [:after_save, :after_save], record.history
end
def test_only_call_after_commit_on_update_after_transaction_commits_for_existing_record
add_transaction_execution_blocks @first
@first.save!
assert_equal [:commit_on_update], @first.history
end
def test_only_call_after_commit_on_destroy_after_transaction_commits_for_destroyed_record
add_transaction_execution_blocks @first
@first.destroy
assert_equal [:commit_on_destroy], @first.history
end
def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record
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new_record = TopicWithCallbacks.new(title: "New topic", written_on: Date.today)
add_transaction_execution_blocks new_record
new_record.save!
assert_equal [:commit_on_create], new_record.history
end
def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record_if_create_succeeds_creating_through_association
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topic = TopicWithCallbacks.create!(title: "New topic", written_on: Date.today)
reply = topic.replies.create
assert_equal [], reply.history
end
def test_only_call_after_commit_on_destroy_after_transaction_commits_for_destroyed_new_record
new_record = TopicWithCallbacks.new(title: "New topic", written_on: Date.today)
add_transaction_execution_blocks new_record
new_record.destroy
assert_equal [:commit_on_destroy], new_record.history
end
def test_save_in_after_create_commit_wont_invoke_extra_after_create_commit
new_record = TopicWithCallbacks.new(title: "New topic", written_on: Date.today)
add_transaction_execution_blocks new_record
new_record.after_commit_block(:create) { |r| r.save! }
new_record.save!
assert_equal [:commit_on_create, :commit_on_update], new_record.history
end
def test_only_call_after_commit_on_create_and_doesnt_leaky
r = ReplyWithCallbacks.new(content: "foo")
r.save_on_after_create = true
r.save!
r.content = "bar"
r.save!
r.save!
assert_equal [:commit_on_create], r.history
end
def test_only_call_after_commit_on_update_after_transaction_commits_for_existing_record_on_touch
add_transaction_execution_blocks @first
@first.touch
assert_equal [:commit_on_update], @first.history
end
def test_only_call_after_commit_on_top_level_transactions
@first.after_commit_block { |r| r.history << :after_commit }
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assert_empty @first.history
@first.transaction do
@first.transaction(requires_new: true) do
@first.touch
end
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assert_empty @first.history
end
assert_equal [:after_commit], @first.history
end
def test_call_after_rollback_after_transaction_rollsback
@first.after_commit_block { |r| r.history << :after_commit }
@first.after_rollback_block { |r| r.history << :after_rollback }
Topic.transaction do
@first.save!
raise ActiveRecord::Rollback
end
assert_equal [:after_rollback], @first.history
end
def test_only_call_after_rollback_on_update_after_transaction_rollsback_for_existing_record
add_transaction_execution_blocks @first
Topic.transaction do
@first.save!
raise ActiveRecord::Rollback
end
assert_equal [:rollback_on_update], @first.history
end
def test_only_call_after_rollback_on_update_after_transaction_rollsback_for_existing_record_on_touch
add_transaction_execution_blocks @first
Topic.transaction do
@first.touch
raise ActiveRecord::Rollback
end
assert_equal [:rollback_on_update], @first.history
end
def test_only_call_after_rollback_on_destroy_after_transaction_rollsback_for_destroyed_record
add_transaction_execution_blocks @first
Topic.transaction do
@first.destroy
raise ActiveRecord::Rollback
end
assert_equal [:rollback_on_destroy], @first.history
end
def test_only_call_after_rollback_on_create_after_transaction_rollsback_for_new_record
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new_record = TopicWithCallbacks.new(title: "New topic", written_on: Date.today)
add_transaction_execution_blocks new_record
Topic.transaction do
new_record.save!
raise ActiveRecord::Rollback
end
assert_equal [:rollback_on_create], new_record.history
end
def test_call_after_rollback_when_commit_fails
@first.after_commit_block { |r| r.history << :after_commit }
@first.after_rollback_block { |r| r.history << :after_rollback }
assert_raises RuntimeError do
@first.transaction do
tx = @first.class.connection.transaction_manager.current_transaction
def tx.commit
raise
end
@first.save
end
end
assert_equal [:after_rollback], @first.history
end
def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint
def @first.rollbacks(i = 0); @rollbacks ||= 0; @rollbacks += i if i; end
def @first.commits(i = 0); @commits ||= 0; @commits += i if i; end
@first.after_rollback_block { |r| r.rollbacks(1) }
@first.after_commit_block { |r| r.commits(1) }
second = TopicWithCallbacks.find(3)
def second.rollbacks(i = 0); @rollbacks ||= 0; @rollbacks += i if i; end
def second.commits(i = 0); @commits ||= 0; @commits += i if i; end
second.after_rollback_block { |r| r.rollbacks(1) }
second.after_commit_block { |r| r.commits(1) }
Topic.transaction do
@first.save!
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Topic.transaction(requires_new: true) do
second.save!
raise ActiveRecord::Rollback
end
end
assert_equal 1, @first.commits
assert_equal 0, @first.rollbacks
assert_equal 0, second.commits
assert_equal 1, second.rollbacks
end
def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint_when_release_savepoint_fails
def @first.rollbacks(i = 0); @rollbacks ||= 0; @rollbacks += i if i; end
def @first.commits(i = 0); @commits ||= 0; @commits += i if i; end
@first.after_rollback_block { |r| r.rollbacks(1) }
@first.after_commit_block { |r| r.commits(1) }
Topic.transaction do
@first.save
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Topic.transaction(requires_new: true) do
@first.save!
raise ActiveRecord::Rollback
end
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Topic.transaction(requires_new: true) do
@first.save!
raise ActiveRecord::Rollback
end
end
assert_equal 1, @first.commits
assert_equal 2, @first.rollbacks
end
def test_after_commit_callback_should_not_swallow_errors
@first.after_commit_block { fail "boom" }
assert_raises(RuntimeError) do
Topic.transaction do
@first.save!
end
end
end
def test_after_commit_callback_when_raise_should_not_restore_state
first = TopicWithCallbacks.new
second = TopicWithCallbacks.new
first.after_commit_block { fail "boom" }
second.after_commit_block { fail "boom" }
begin
Topic.transaction do
first.save!
assert_not_nil first.id
second.save!
assert_not_nil second.id
end
rescue
end
assert_not_nil first.id
assert_not_nil second.id
assert first.reload
end
def test_after_rollback_callback_should_not_swallow_errors_when_set_to_raise
error_class = Class.new(StandardError)
@first.after_rollback_block { raise error_class }
assert_raises(error_class) do
Topic.transaction do
@first.save!
raise ActiveRecord::Rollback
end
end
end
def test_after_commit_callback_should_not_rollback_state_that_already_been_succeeded
klass = Class.new(TopicWithCallbacks) do
self.inheritance_column = nil
validates :title, presence: true
end
first = klass.new(title: "foo")
first.after_commit_block { |r| r.update(title: nil) if r.persisted? }
first.save!
assert_predicate first, :persisted?
assert_not_nil first.id
ensure
first.destroy!
end
uses_transaction :test_after_commit_callback_should_not_rollback_state_that_already_been_succeeded
def test_after_rollback_callback_when_raise_should_restore_state
error_class = Class.new(StandardError)
first = TopicWithCallbacks.new
second = TopicWithCallbacks.new
first.after_rollback_block { raise error_class }
second.after_rollback_block { raise error_class }
begin
Topic.transaction do
first.save!
assert_not_nil first.id
second.save!
assert_not_nil second.id
raise ActiveRecord::Rollback
end
rescue error_class
end
assert_nil first.id
assert_nil second.id
end
def test_after_rollback_callbacks_should_validate_on_condition
assert_raise(ArgumentError) { Topic.after_rollback(on: :save) }
e = assert_raise(ArgumentError) { Topic.after_rollback(on: "create") }
assert_match(/:on conditions for after_commit and after_rollback callbacks have to be one of \[:create, :destroy, :update\]/, e.message)
end
def test_after_commit_callbacks_should_validate_on_condition
assert_raise(ArgumentError) { Topic.after_commit(on: :save) }
e = assert_raise(ArgumentError) { Topic.after_commit(on: "create") }
assert_match(/:on conditions for after_commit and after_rollback callbacks have to be one of \[:create, :destroy, :update\]/, e.message)
end
def test_after_commit_chain_not_called_on_errors
record_1 = TopicWithCallbacks.create!
record_2 = TopicWithCallbacks.create!
record_3 = TopicWithCallbacks.create!
callbacks = []
record_1.after_commit_block { raise }
record_2.after_commit_block { callbacks << record_2.id }
record_3.after_commit_block { callbacks << record_3.id }
begin
TopicWithCallbacks.transaction do
record_1.save!
record_2.save!
record_3.save!
end
rescue
# From record_1.after_commit
end
assert_equal [], callbacks
end
def test_saving_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_call_callbacks_on_the_parent_object
pet = Pet.first
owner = pet.owner
flag = false
owner.on_after_commit do
flag = true
end
pet.name = "Fluffy the Third"
pet.save
assert flag
end
def test_saving_two_records_that_override_object_id_should_run_after_commit_callbacks_for_both
klass = Class.new(TopicWithCallbacks) do
define_method(:object_id) { 42 }
end
records = [klass.new, klass.new]
klass.transaction do
records.each do |record|
record.after_commit_block { |r| r.history << :after_commit }
record.save!
end
end
assert_equal [:after_commit], records.first.history
assert_equal [:after_commit], records.second.history
end
def test_saving_two_records_that_override_object_id_should_run_after_rollback_callbacks_for_both
klass = Class.new(TopicWithCallbacks) do
define_method(:object_id) { 42 }
end
records = [klass.new, klass.new]
klass.transaction do
records.each do |record|
record.after_rollback_block { |r| r.history << :after_rollback }
record.save!
end
raise ActiveRecord::Rollback
end
assert_equal [:after_rollback], records.first.history
assert_equal [:after_rollback], records.second.history
end
private
def add_transaction_execution_blocks(record)
record.after_commit_block(:create) { |r| r.history << :commit_on_create }
record.after_commit_block(:update) { |r| r.history << :commit_on_update }
record.after_commit_block(:destroy) { |r| r.history << :commit_on_destroy }
record.after_rollback_block(:create) { |r| r.history << :rollback_on_create }
record.after_rollback_block(:update) { |r| r.history << :rollback_on_update }
record.after_rollback_block(:destroy) { |r| r.history << :rollback_on_destroy }
end
end
class TransactionAfterCommitCallbacksWithOptimisticLockingTest < ActiveRecord::TestCase
class PersonWithCallbacks < ActiveRecord::Base
self.table_name = :people
after_create_commit { |record| record.history << :commit_on_create }
after_update_commit { |record| record.history << :commit_on_update }
after_destroy_commit { |record| record.history << :commit_on_destroy }
def history
@history ||= []
end
end
def test_after_commit_callbacks_with_optimistic_locking
person = PersonWithCallbacks.create!(first_name: "first name")
person.update!(first_name: "another name")
person.destroy
assert_equal [:commit_on_create, :commit_on_update, :commit_on_destroy], person.history
end
end
class CallbacksOnMultipleActionsTest < ActiveRecord::TestCase
self.use_transactional_tests = false
class TopicWithCallbacksOnMultipleActions < ActiveRecord::Base
self.table_name = :topics
after_commit(on: [:create, :destroy]) { |record| record.history << :create_and_destroy }
after_commit(on: [:create, :update]) { |record| record.history << :create_and_update }
after_commit(on: [:update, :destroy]) { |record| record.history << :update_and_destroy }
before_commit(if: :save_before_commit_history) { |record| record.history << :before_commit }
before_commit(if: :update_title) { |record| record.update(title: "before commit title") }
def clear_history
@history = []
end
def history
@history ||= []
end
attr_accessor :save_before_commit_history, :update_title
end
def test_after_commit_on_multiple_actions
topic = TopicWithCallbacksOnMultipleActions.new
topic.save
assert_equal [:create_and_update, :create_and_destroy], topic.history
topic.clear_history
topic.approved = true
topic.save
assert_equal [:update_and_destroy, :create_and_update], topic.history
topic.clear_history
topic.destroy
assert_equal [:update_and_destroy, :create_and_destroy], topic.history
end
def test_before_commit_actions
topic = TopicWithCallbacksOnMultipleActions.new
topic.save_before_commit_history = true
topic.save
assert_equal [:before_commit, :create_and_update, :create_and_destroy], topic.history
end
def test_before_commit_update_in_same_transaction
topic = TopicWithCallbacksOnMultipleActions.new
topic.update_title = true
topic.save
assert_equal "before commit title", topic.title
assert_equal "before commit title", topic.reload.title
end
end
class CallbacksOnDestroyUpdateActionRaceTest < ActiveRecord::TestCase
self.use_transactional_tests = false
class TopicWithHistory < ActiveRecord::Base
self.table_name = :topics
def self.clear_history
@@history = []
end
def self.history
@@history ||= []
end
end
class TopicWithCallbacksOnDestroy < TopicWithHistory
after_commit(on: :destroy) { |record| record.class.history << :commit_on_destroy }
after_rollback(on: :destroy) { |record| record.class.history << :rollback_on_destroy }
before_destroy :before_destroy_for_transaction
private
def before_destroy_for_transaction; end
end
class TopicWithCallbacksOnUpdate < TopicWithHistory
after_commit(on: :update) { |record| record.class.history << :commit_on_update }
before_save :before_save_for_transaction
private
def before_save_for_transaction; end
end
def test_trigger_once_on_multiple_deletions
TopicWithCallbacksOnDestroy.clear_history
topic = TopicWithCallbacksOnDestroy.new
topic.save
topic_clone = TopicWithCallbacksOnDestroy.find(topic.id)
topic.define_singleton_method(:before_destroy_for_transaction) do
topic_clone.destroy
end
topic.destroy
assert_equal [:commit_on_destroy], TopicWithCallbacksOnDestroy.history
end
def test_rollback_on_multiple_deletions
TopicWithCallbacksOnDestroy.clear_history
topic = TopicWithCallbacksOnDestroy.new
topic.save
topic_clone = TopicWithCallbacksOnDestroy.find(topic.id)
topic.define_singleton_method(:before_destroy_for_transaction) do
topic_clone.update!(author_name: "Test Author Clone")
topic_clone.destroy
end
TopicWithCallbacksOnDestroy.transaction do
topic.update!(author_name: "Test Author")
topic.destroy
raise ActiveRecord::Rollback
end
assert_not_predicate topic, :destroyed?
assert_not_predicate topic_clone, :destroyed?
assert_equal [nil, "Test Author"], topic.author_name_change_to_be_saved
assert_equal [nil, "Test Author Clone"], topic_clone.author_name_change_to_be_saved
assert_equal [:rollback_on_destroy], TopicWithCallbacksOnDestroy.history
end
def test_trigger_on_update_where_row_was_deleted
TopicWithCallbacksOnUpdate.clear_history
topic = TopicWithCallbacksOnUpdate.new
topic.save
topic_clone = TopicWithCallbacksOnUpdate.find(topic.id)
topic_clone.define_singleton_method(:before_save_for_transaction) do
topic.destroy
end
topic_clone.author_name = "Test Author"
topic_clone.save
assert_equal [], TopicWithCallbacksOnUpdate.history
end
end
class CallbacksOnActionAndConditionTest < ActiveRecord::TestCase
self.use_transactional_tests = false
class TopicWithCallbacksOnActionAndCondition < ActiveRecord::Base
self.table_name = :topics
after_commit(on: [:create, :update], if: :run_callback?) { |record| record.history << :create_or_update }
def clear_history
@history = []
end
def history
@history ||= []
end
def run_callback?
self.history << :run_callback?
true
end
attr_accessor :save_before_commit_history, :update_title
end
def test_callback_on_action_with_condition
topic = TopicWithCallbacksOnActionAndCondition.new
topic.save
assert_equal [:run_callback?, :create_or_update], topic.history
topic.clear_history
topic.approved = true
topic.save
assert_equal [:run_callback?, :create_or_update], topic.history
topic.clear_history
topic.destroy
assert_equal [], topic.history
end
end