Last active
July 23, 2024 17:42
-
-
Save Vagab/8856cfe9fb0565526b5f6ee24b47a010 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # frozen_string_literal: true | |
| require "bundler/inline" | |
| gemfile(true) do | |
| source "https://rubygems.org" | |
| gem "rails", "~> 7.2.0.beta3" | |
| gem "pg" | |
| gem "async" | |
| end | |
| require "active_record" | |
| require "minitest/autorun" | |
| require "async/barrier" | |
| require "async/semaphore" | |
| # create db on a mac | |
| %x(psql -c 'create database thingy;') | |
| ActiveRecord::Base.establish_connection(adapter: "postgresql", database: "thingy") | |
| ActiveRecord::Base.logger = Logger.new(STDOUT) | |
| class BugTest < Minitest::Test | |
| def test_error | |
| assert_raises(NoMethodError) do | |
| Sync do | |
| barrier = Async::Barrier.new | |
| s = Async::Semaphore.new(10, parent: barrier) | |
| 1.upto(10).map do |i| | |
| s.async do | |
| ActiveRecord::Base.connection.execute("select pg_sleep(1);") | |
| end | |
| end | |
| barrier.wait | |
| end | |
| end | |
| end | |
| end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment