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# frozen_string_literal: true
require "cases/helper"
require "support/connection_helper"
require "models/post"
module AsynchronousQueriesSharedTests
def test_async_select_failure
ActiveRecord::Base.asynchronous_queries_tracker.start_session
if in_memory_db?
assert_raises ActiveRecord::StatementInvalid do
@connection.select_all "SELECT * FROM does_not_exists", async: true
end
else
future_result = @connection.select_all "SELECT * FROM does_not_exists", async: true
assert_kind_of ActiveRecord::FutureResult, future_result
assert_raises ActiveRecord::StatementInvalid do
future_result.result
end
end
ensure
ActiveRecord::Base.asynchronous_queries_tracker.finalize_session
end
def test_async_query_from_transaction
ActiveRecord::Base.asynchronous_queries_tracker.start_session
assert_nothing_raised do
@connection.select_all "SELECT * FROM posts", async: true
end
unless in_memory_db?
@connection.transaction do
assert_raises ActiveRecord::AsynchronousQueryInsideTransactionError do
@connection.select_all "SELECT * FROM posts", async: true
end
end
end
ensure
ActiveRecord::Base.asynchronous_queries_tracker.finalize_session
end
def test_async_query_cache
ActiveRecord::Base.asynchronous_queries_tracker.start_session
@connection.enable_query_cache!
@connection.select_all "SELECT * FROM posts"
result = @connection.select_all "SELECT * FROM posts", async: true
assert_equal ActiveRecord::FutureResult::Complete, result.class
ensure
ActiveRecord::Base.asynchronous_queries_tracker.finalize_session
@connection.disable_query_cache!
end
def test_async_query_foreground_fallback
status = {}
subscriber = ActiveSupport::Notifications.subscribe("sql.active_record") do |event|
if event.payload[:sql] == "SELECT * FROM does_not_exists"
status[:executed] = true
status[:async] = event.payload[:async]
end
end
@connection.pool.stub(:schedule_query, proc { }) do
if in_memory_db?
assert_raises ActiveRecord::StatementInvalid do
@connection.select_all "SELECT * FROM does_not_exists", async: true
end
else
future_result = @connection.select_all "SELECT * FROM does_not_exists", async: true
assert_kind_of ActiveRecord::FutureResult, future_result
assert_raises ActiveRecord::StatementInvalid do
future_result.result
end
end
end
assert_equal true, status[:executed]
assert_equal false, status[:async]
ensure
ActiveSupport::Notifications.unsubscribe(subscriber) if subscriber
end
private
def wait_for_future_result(result)
500.times do
break unless result.pending?
sleep 0.02
end
end
end
class AsynchronousQueriesTest < ActiveRecord::TestCase
self.use_transactional_tests = false
include AsynchronousQueriesSharedTests
def setup
@connection = ActiveRecord::Base.lease_connection
end
def test_async_select_all
ActiveRecord::Base.asynchronous_queries_tracker.start_session
status = {}
subscriber = ActiveSupport::Notifications.subscribe("sql.active_record") do |event|
if event.payload[:sql] == "SELECT * FROM posts"
status[:executed] = true
status[:async] = event.payload[:async]
end
end
future_result = @connection.select_all "SELECT * FROM posts", async: true
if in_memory_db?
assert_kind_of ActiveRecord::FutureResult::Complete, future_result
else
assert_kind_of ActiveRecord::FutureResult, future_result
wait_for_future_result(future_result)
end
assert_kind_of ActiveRecord::Result, future_result.result
assert_equal @connection.supports_concurrent_connections?, status[:async]
ensure
ActiveRecord::Base.asynchronous_queries_tracker.finalize_session
ActiveSupport::Notifications.unsubscribe(subscriber) if subscriber
end
end
class AsynchronousQueriesWithTransactionalTest < ActiveRecord::TestCase
include AsynchronousQueriesSharedTests
def setup
@connection = ActiveRecord::Base.lease_connection
@connection.materialize_transactions
end
end
class AsynchronousExecutorTypeTest < ActiveRecord::TestCase
def test_null_configuration_uses_a_single_null_executor_by_default
old_value = ActiveRecord.async_query_executor
ActiveRecord.async_query_executor = nil
handler = ActiveRecord::ConnectionAdapters::ConnectionHandler.new
db_config = ActiveRecord::Base.configurations.configs_for(env_name: "arunit", name: "primary")
db_config2 = ActiveRecord::Base.configurations.configs_for(env_name: "arunit2", name: "primary")
pool1 = handler.establish_connection(db_config)
pool2 = handler.establish_connection(db_config2, owner_name: ARUnit2Model)
async_pool1 = pool1.instance_variable_get(:@async_executor)
async_pool2 = pool2.instance_variable_get(:@async_executor)
assert_nil async_pool1
assert_nil async_pool2
assert_equal 2, handler.connection_pool_list(:all).count
ensure
clean_up_connection_handler
ActiveRecord.async_query_executor = old_value
end
def test_one_global_thread_pool_is_used_when_set_with_default_concurrency
old_value = ActiveRecord.async_query_executor
ActiveRecord.async_query_executor = :global_thread_pool
handler = ActiveRecord::ConnectionAdapters::ConnectionHandler.new
db_config = ActiveRecord::Base.configurations.configs_for(env_name: "arunit", name: "primary")
db_config2 = ActiveRecord::Base.configurations.configs_for(env_name: "arunit2", name: "primary")
pool1 = handler.establish_connection(db_config)
pool2 = handler.establish_connection(db_config2, owner_name: ARUnit2Model)
async_pool1 = pool1.instance_variable_get(:@async_executor)
async_pool2 = pool2.instance_variable_get(:@async_executor)
assert async_pool1.is_a?(Concurrent::ThreadPoolExecutor)
assert async_pool2.is_a?(Concurrent::ThreadPoolExecutor)
assert_equal 0, async_pool1.min_length
assert_equal 4, async_pool1.max_length
assert_equal 16, async_pool1.max_queue
assert_equal :caller_runs, async_pool1.fallback_policy
assert_equal 0, async_pool2.min_length
assert_equal 4, async_pool2.max_length
assert_equal 16, async_pool2.max_queue
assert_equal :caller_runs, async_pool2.fallback_policy
assert_equal 2, handler.connection_pool_list(:all).count
assert_equal async_pool1, async_pool2
ensure
clean_up_connection_handler
ActiveRecord.async_query_executor = old_value
end
def test_concurrency_can_be_set_on_global_thread_pool
old_value = ActiveRecord.async_query_executor
ActiveRecord.async_query_executor = :global_thread_pool
old_concurrency = ActiveRecord.global_executor_concurrency
old_global_thread_pool_async_query_executor = ActiveRecord.instance_variable_get(:@global_thread_pool_async_query_executor)
ActiveRecord.instance_variable_set(:@global_thread_pool_async_query_executor, nil)
ActiveRecord.global_executor_concurrency = 8
handler = ActiveRecord::ConnectionAdapters::ConnectionHandler.new
db_config = ActiveRecord::Base.configurations.configs_for(env_name: "arunit", name: "primary")
db_config2 = ActiveRecord::Base.configurations.configs_for(env_name: "arunit2", name: "primary")
pool1 = handler.establish_connection(db_config)
pool2 = handler.establish_connection(db_config2, owner_name: ARUnit2Model)
async_pool1 = pool1.instance_variable_get(:@async_executor)
async_pool2 = pool2.instance_variable_get(:@async_executor)
assert async_pool1.is_a?(Concurrent::ThreadPoolExecutor)
assert async_pool2.is_a?(Concurrent::ThreadPoolExecutor)
assert_equal 0, async_pool1.min_length
assert_equal 8, async_pool1.max_length
assert_equal 32, async_pool1.max_queue
assert_equal :caller_runs, async_pool1.fallback_policy
assert_equal 0, async_pool2.min_length
assert_equal 8, async_pool2.max_length
assert_equal 32, async_pool2.max_queue
assert_equal :caller_runs, async_pool2.fallback_policy
assert_equal 2, handler.connection_pool_list(:all).count
assert_equal async_pool1, async_pool2
ensure
clean_up_connection_handler
ActiveRecord.global_executor_concurrency = old_concurrency
ActiveRecord.async_query_executor = old_value
ActiveRecord.instance_variable_set(:@global_thread_pool_async_query_executor, old_global_thread_pool_async_query_executor)
end
def test_concurrency_cannot_be_set_with_null_executor_or_multi_thread_pool
old_value = ActiveRecord.async_query_executor
ActiveRecord.async_query_executor = nil
assert_raises ArgumentError do
ActiveRecord.global_executor_concurrency = 8
end
ActiveRecord.async_query_executor = :multi_thread_pool
assert_raises ArgumentError do
ActiveRecord.global_executor_concurrency = 8
end
ensure
ActiveRecord.async_query_executor = old_value
end
def test_multi_thread_pool_executor_configuration
old_value = ActiveRecord.async_query_executor
ActiveRecord.async_query_executor = :multi_thread_pool
handler = ActiveRecord::ConnectionAdapters::ConnectionHandler.new
config_hash = ActiveRecord::Base.configurations.configs_for(env_name: "arunit", name: "primary").configuration_hash
new_config_hash = config_hash.merge(min_threads: 0, max_threads: 10)
db_config = ActiveRecord::DatabaseConfigurations::HashConfig.new("arunit", "primary", new_config_hash)
db_config2 = ActiveRecord::Base.configurations.configs_for(env_name: "arunit2", name: "primary")
pool1 = handler.establish_connection(db_config)
pool2 = handler.establish_connection(db_config2, owner_name: ARUnit2Model)
async_pool1 = pool1.instance_variable_get(:@async_executor)
async_pool2 = pool2.instance_variable_get(:@async_executor)
assert async_pool1.is_a?(Concurrent::ThreadPoolExecutor)
assert async_pool2.is_a?(Concurrent::ThreadPoolExecutor)
assert_equal 0, async_pool1.min_length
assert_equal 10, async_pool1.max_length
assert_equal 40, async_pool1.max_queue
assert_equal :caller_runs, async_pool1.fallback_policy
assert_equal 0, async_pool2.min_length
assert_equal 5, async_pool2.max_length
assert_equal 20, async_pool2.max_queue
assert_equal :caller_runs, async_pool2.fallback_policy
assert_equal 2, handler.connection_pool_list(:all).count
assert_not_equal async_pool1, async_pool2
ensure
clean_up_connection_handler
ActiveRecord.async_query_executor = old_value
end
def test_multi_thread_pool_is_used_only_by_configurations_that_enable_it
old_value = ActiveRecord.async_query_executor
ActiveRecord.async_query_executor = :multi_thread_pool
handler = ActiveRecord::ConnectionAdapters::ConnectionHandler.new
config_hash1 = ActiveRecord::Base.configurations.configs_for(env_name: "arunit", name: "primary").configuration_hash
new_config1 = config_hash1.merge(min_threads: 0, max_threads: 10)
db_config1 = ActiveRecord::DatabaseConfigurations::HashConfig.new("arunit", "primary", new_config1)
config_hash2 = ActiveRecord::Base.configurations.configs_for(env_name: "arunit2", name: "primary").configuration_hash
new_config2 = config_hash2.merge(min_threads: 0, max_threads: 0)
db_config2 = ActiveRecord::DatabaseConfigurations::HashConfig.new("arunit2", "primary", new_config2)
pool1 = handler.establish_connection(db_config1)
pool2 = handler.establish_connection(db_config2, owner_name: ARUnit2Model)
async_pool1 = pool1.instance_variable_get(:@async_executor)
async_pool2 = pool2.instance_variable_get(:@async_executor)
assert async_pool1.is_a?(Concurrent::ThreadPoolExecutor)
assert_nil async_pool2
assert_equal 0, async_pool1.min_length
assert_equal 10, async_pool1.max_length
assert_equal 40, async_pool1.max_queue
assert_equal :caller_runs, async_pool1.fallback_policy
assert_equal 2, handler.connection_pool_list(:all).count
assert_not_equal async_pool1, async_pool2
ensure
clean_up_connection_handler
ActiveRecord.async_query_executor = old_value
end
end
|
