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# Copyright (C) 2005-2019 Kouhei Sutou <kou@cozmixng.org>
#
# 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 "rabbit/utils"
class RabbitUtilsTest < Test::Unit::TestCase
def test_combination
assert_combination([], [])
assert_combination([[], [1]], [1])
assert_combination([[], [1], [2], [1, 2]], [1, 2])
assert_combination([[], [1], [2], [3], [1, 2], [1, 3], [2, 3], [1, 2, 3]],
[1, 2, 3])
end
def test_parse_four_way
assert_four_way([1, 1, 1, 1], %w(1))
assert_four_way([1, 2, 1, 2], %w(1 2))
assert_four_way([1, 2, 3, 2], %w(1 2 3))
assert_four_way([1, 2, 3, 4], %w(1 2 3 4))
assert_invalid_four_way([])
assert_invalid_four_way(%w(1 2 3 4 5))
assert_invalid_four_way(%w(a))
assert_invalid_four_way(%w(1.0))
end
private
def assert_combination(expected, elements)
_wrap_assertion do
results = Rabbit::Utils.combination(elements)
assert_equal(normalize_combination_results(expected),
normalize_combination_results(results))
end
end
def normalize_combination_results(results)
results.collect {|result| result.sort}.sort
end
def assert_four_way(expected, input)
_wrap_assertion do
assert_equal(expected, Rabbit::Utils.parse_four_way(input))
end
end
def assert_invalid_four_way(input)
_wrap_assertion do
assert_raises(ArgumentError) {Rabbit::Utils.parse_four_way(input)}
end
end
end
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