#!/usr/bin/env ruby -G --dev
$: << __dir__
require 'java'
require 'jdbc/postgres'
require 'sequel'
require 'sequel/adapters/jdbc'
require 'thread'

# Pre-requisite: Set up a failing "SQL server" to not connect to
#
# nc -l 5700

$q = Queue.new

# A broken "SQL Server"
t0 = Thread.new do
  IO.popen("nc -l 5700") { |io| io.puts($q.read) }
end

# Connecting to it, using JDBC
t1 = Thread.new do
  dsn = 'jdbc:postgresql://localhost:5700/my_thing'

  DB = p(Sequel.connect(dsn, login_timeout: 1))

  # Here, we *actually* connect to the jdbc connect() method
  p(DB.tables)
end

sleep 3

$q.push ""

t1.join