discourse/spec/components/freedom_patches/pool_drainer_spec.rb

48 lines
892 B
Ruby

require 'spec_helper'
describe 'pool drainer' do
let(:pool) do
ActiveRecord::Base.connection_pool
end
it 'can correctly drain the connection pool' do
pool.drain
old = pool.connections.length
old.should == 1
Thread.new do
conn = pool.checkout
pool.checkin conn
end.join
pool.connections.length.should == (old+1)
pool.drain
pool.connections.length.should == old
end
it 'can drain with idle time setting' do
pool.drain
old = pool.connections.length
old.should == 1
Thread.new do
conn = pool.checkout
pool.checkin conn
end.join
pool.connections.length.should == (old+1)
pool.drain(1.minute)
pool.connections.length.should == (old+1)
# make sure we don't corrupt internal state
20.times do
conn = pool.checkout
pool.checkin conn
pool.drain
end
end
end