ruby/red-arrow/test/test-sort-options.rb

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class SortOptionsTest < Test::Unit::TestCase
  sub_test_case("#initialize") do
    test("none") do
      options = Arrow::SortOptions.new
      assert_equal([],
                   options.sort_keys.collect(&:to_s))
    end

    test("-String, Symbol") do
      options = Arrow::SortOptions.new("-count", :age)
      assert_equal(["-count", "+age"],
                   options.sort_keys.collect(&:to_s))
    end
  end

  sub_test_case("instance methods") do
    setup do
      @options = Arrow::SortOptions.new
    end

    sub_test_case("#add_sort_key") do
      test("-String") do
        @options.add_sort_key("-count")
        assert_equal(["-count"],
                     @options.sort_keys.collect(&:to_s))
      end

      test("-String, Symbol") do
        @options.add_sort_key("-count", :desc)
        assert_equal(["--count"],
                     @options.sort_keys.collect(&:to_s))
      end

      test("SortKey") do
        @options.add_sort_key(Arrow::SortKey.new("-count"))
        assert_equal(["-count"],
                     @options.sort_keys.collect(&:to_s))
      end
    end
  end
end