- # frozen_string_literal: true
-
- # 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 IssueNestedSetConcurrencyTest < ActiveSupport::TestCase
- fixtures :projects, :users,
- :trackers, :projects_trackers,
- :enabled_modules,
- :issue_statuses,
- :enumerations
-
- self.use_transactional_tests = false
-
- def setup
- skip if sqlite? || mysql?
- User.current = nil
- CustomField.delete_all
- end
-
- def teardown
- Issue.delete_all
- end
-
- def test_concurrency
- # Generates an issue and destroys it in order
- # to load all needed classes before starting threads
- i = Issue.generate!
- i.destroy
-
- root = Issue.generate!
- assert_difference 'Issue.count', 60 do
- threaded(3) do
- 10.times do
- i = Issue.generate! :parent_issue_id => root.id
- c1 = Issue.generate! :parent_issue_id => i.id
- c2 = Issue.generate! :parent_issue_id => i.id
- c3 = Issue.generate! :parent_issue_id => i.id
- c2.reload.destroy
- c1.reload.destroy
- end
- end
- end
- end
-
- def test_concurrent_subtasks_creation
- root = Issue.generate!
- assert_difference 'Issue.count', 30 do
- threaded(3) do
- 10.times do
- Issue.generate! :parent_issue_id => root.id
- end
- end
- end
- root.reload
- assert_equal [1, 62], [root.lft, root.rgt]
- children_bounds = root.children.sort_by(&:lft).map {|c| [c.lft, c.rgt]}.flatten
- assert_equal (2..61).to_a, children_bounds
- end
-
- private
-
- def threaded(count, &block)
- with_settings :notified_events => [] do
- threads = []
- count.times do |i|
- threads << Thread.new(i) do
- ActiveRecord::Base.connection_pool.with_connection do
- begin
- yield
- rescue => e
- Thread.current[:exception] = e.message
- end
- end
- end
- end
- threads.each do |thread|
- thread.join
- assert_nil thread[:exception]
- end
- end
- end
- end
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