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require "cases/helper"
require "models/project"
require "timeout"
class PooledConnectionsTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false
def setup
@per_test_teardown = []
@connection = ActiveRecord::Base.remove_connection
end
teardown do
ActiveRecord::Base.clear_all_connections!
ActiveRecord::Base.establish_connection(@connection)
@per_test_teardown.each(&:call)
end
# Will deadlock due to lack of Monitor timeouts in 1.9
def checkout_checkin_connections(pool_size, threads)
ActiveRecord::Base.establish_connection(@connection.merge({:pool => pool_size, :checkout_timeout => 0.5}))
@connection_count = 0
@timed_out = 0
threads.times do
Thread.new do
begin
conn = ActiveRecord::Base.connection_pool.checkout
sleep 0.1
ActiveRecord::Base.connection_pool.checkin conn
@connection_count += 1
rescue ActiveRecord::ConnectionTimeoutError
@timed_out += 1
end
end.join
end
end
def test_pooled_connection_checkin_one
checkout_checkin_connections 1, 2
assert_equal 2, @connection_count
assert_equal 0, @timed_out
assert_equal 1, ActiveRecord::Base.connection_pool.connections.size
end
private
def add_record(name)
ActiveRecord::Base.connection_pool.with_connection { Project.create! :name => name }
end
end unless in_memory_db?
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