76 lines
2.0 KiB
Ruby
76 lines
2.0 KiB
Ruby
require "cases/helper"
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require "models/project"
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require "timeout"
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class PooledConnectionsTest < ActiveRecord::TestCase
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self.use_transactional_fixtures = false
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def setup
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@per_test_teardown = []
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@connection = ActiveRecord::Base.remove_connection
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end
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def teardown
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ActiveRecord::Base.clear_all_connections!
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ActiveRecord::Base.establish_connection(@connection)
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@per_test_teardown.each {|td| td.call }
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end
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def checkout_connections
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ActiveRecord::Base.establish_connection(@connection.merge({:pool => 2, :wait_timeout => 0.3}))
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@connections = []
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@timed_out = 0
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4.times do
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Thread.new do
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begin
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@connections << ActiveRecord::Base.connection_pool.checkout
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rescue ActiveRecord::ConnectionTimeoutError
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@timed_out += 1
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end
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end.join
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end
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end
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# Will deadlock due to lack of Monitor timeouts in 1.9
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if RUBY_VERSION < '1.9'
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def test_pooled_connection_checkout
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checkout_connections
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assert_equal 2, @connections.length
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assert_equal 2, @timed_out
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end
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end
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def checkout_checkin_connections(pool_size, threads)
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ActiveRecord::Base.establish_connection(@connection.merge({:pool => pool_size, :wait_timeout => 0.5}))
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@connection_count = 0
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@timed_out = 0
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threads.times do
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Thread.new do
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begin
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conn = ActiveRecord::Base.connection_pool.checkout
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sleep 0.1
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ActiveRecord::Base.connection_pool.checkin conn
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@connection_count += 1
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rescue ActiveRecord::ConnectionTimeoutError
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@timed_out += 1
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end
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end.join
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end
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end
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def test_pooled_connection_checkin_one
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checkout_checkin_connections 1, 2
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assert_equal 2, @connection_count
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assert_equal 0, @timed_out
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assert_equal 1, ActiveRecord::Base.connection_pool.connections.size
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end
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private
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def add_record(name)
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ActiveRecord::Base.connection_pool.with_connection { Project.create! :name => name }
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end
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end unless current_adapter?(:FrontBase) || in_memory_db?
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