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# Redmine - project management software

# Copyright (C) 2006-2012  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 Redmine::Utils::DateCalculationTest < ActiveSupport::TestCase

  include Redmine::Utils::DateCalculation

  def test_working_days_without_non_working_week_days

    with_settings :non_working_week_days => [] do

      assert_working_days 18, '2012-10-09', '2012-10-27'

      assert_working_days  6, '2012-10-09', '2012-10-15'

      assert_working_days  5, '2012-10-09', '2012-10-14'

      assert_working_days  3, '2012-10-09', '2012-10-12'

      assert_working_days  3, '2012-10-14', '2012-10-17'

      assert_working_days 16, '2012-10-14', '2012-10-30'

    end

  end

  def test_working_days_with_non_working_week_days

    with_settings :non_working_week_days => %w(6 7) do

      assert_working_days 14, '2012-10-09', '2012-10-27'

      assert_working_days  4, '2012-10-09', '2012-10-15'

      assert_working_days  4, '2012-10-09', '2012-10-14'

      assert_working_days  3, '2012-10-09', '2012-10-12'

      assert_working_days  8, '2012-10-09', '2012-10-19'

      assert_working_days  8, '2012-10-11', '2012-10-23'

      assert_working_days  2, '2012-10-14', '2012-10-17'

      assert_working_days 11, '2012-10-14', '2012-10-30'

    end

  end

  def test_add_working_days_without_non_working_week_days

    with_settings :non_working_week_days => [] do

      assert_add_working_days '2012-10-10', '2012-10-10', 0

      assert_add_working_days '2012-10-11', '2012-10-10', 1

      assert_add_working_days '2012-10-12', '2012-10-10', 2

      assert_add_working_days '2012-10-13', '2012-10-10', 3

      assert_add_working_days '2012-10-25', '2012-10-10', 15

    end

  end

  def test_add_working_days_with_non_working_week_days

    with_settings :non_working_week_days => %w(6 7) do

      assert_add_working_days '2012-10-10', '2012-10-10', 0

      assert_add_working_days '2012-10-11', '2012-10-10', 1

      assert_add_working_days '2012-10-12', '2012-10-10', 2

      assert_add_working_days '2012-10-15', '2012-10-10', 3

      assert_add_working_days '2012-10-31', '2012-10-10', 15

      assert_add_working_days '2012-10-19', '2012-10-09', 8

      assert_add_working_days '2012-10-23', '2012-10-11', 8

    end

  end

  def assert_working_days(expected_days, from, to)

    assert_equal expected_days, working_days(from.to_date, to.to_date)

  end

  def assert_add_working_days(expected_date, from, working_days)

    assert_equal expected_date.to_date, add_working_days(from.to_date, working_days)

  end

end