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# Redmine - project management software
# Copyright (C) 2006-2017 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require File.expand_path('../../test_helper', __FILE__)
class ProjectNestedSetConcurrencyTest < ActiveSupport::TestCase
self.use_transactional_tests = false
def setup
User.current = nil
CustomField.delete_all
end
def teardown
Project.delete_all
end
def test_concurrency
skip if sqlite?
# Generates a project and destroys it in order
# to load all needed classes before starting threads
p = generate_project!
p.destroy
assert_difference 'Project.count', 60 do
threads = []
3.times do |i|
threads << Thread.new(i) do
ActiveRecord::Base.connection_pool.with_connection do
begin
10.times do
p = generate_project!
c1 = generate_project! :parent_id => p.id
c2 = generate_project! :parent_id => p.id
c3 = generate_project! :parent_id => p.id
c2.reload.destroy
c1.reload.destroy
end
rescue Exception => e
Thread.current[:exception] = e.message
end
end
end
end
threads.each do |thread|
thread.join
assert_nil thread[:exception]
end
end
end
# Generates a bare project with random name
# and identifier
def generate_project!(attributes={})
identifier = "a"+Redmine::Utils.random_hex(6)
Project.generate!({
:identifier => identifier,
:name => identifier,
:tracker_ids => [],
:enabled_module_names => []
}.merge(attributes))
end
end
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