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

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#
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class SortKeyTest < Test::Unit::TestCase
  sub_test_case(".resolve") do
    test("SortKey") do
      assert_equal(Arrow::SortKey.new("-count"),
                   Arrow::SortKey.resolve(Arrow::SortKey.new("-count")))
    end

    test("-String") do
      assert_equal(Arrow::SortKey.new("-count"),
                   Arrow::SortKey.resolve("-count"))
    end

    test("Symbol, Symbol") do
      assert_equal(Arrow::SortKey.new("-count"),
                   Arrow::SortKey.resolve(:count, :desc))
    end
  end

  sub_test_case("#initialize") do
    test("String") do
      assert_equal("+$count",
                   Arrow::SortKey.new("count").to_s)
    end

    test("+String") do
      assert_equal("+$count",
                   Arrow::SortKey.new("+count").to_s)
    end

    test("-String") do
      assert_equal("-$count",
                   Arrow::SortKey.new("-count").to_s)
    end

    test("Symbol") do
      assert_equal("+$-count",
                   Arrow::SortKey.new(:"-count").to_s)
    end

    test("String, Symbol") do
      assert_equal("-$-count",
                   Arrow::SortKey.new("-count", :desc).to_s)
    end

    test("String, String") do
      assert_equal("-$-count",
                   Arrow::SortKey.new("-count", "desc").to_s)
    end

    test("String, SortOrder") do
      assert_equal("-$-count",
                   Arrow::SortKey.new("-count",
                                      Arrow::SortOrder::DESCENDING).to_s)
    end

    test("^String") do
      assert_equal("+^count",
                   Arrow::SortKey.new("^count").to_s)
    end

    test("-^String") do
      assert_equal("-^count",
                   Arrow::SortKey.new("-^count").to_s)
    end

    test("+$String") do
      assert_equal("+$count",
                   Arrow::SortKey.new("+$count").to_s)
    end

    test("+^^String") do
      assert_equal("+^^count",
                   Arrow::SortKey.new("^count", :ascending, :at_start).to_s)
    end

    test("+$$String") do
      assert_equal("+$$count",
                   Arrow::SortKey.new("$count", :ascending, :at_end).to_s)
    end
  end

  sub_test_case("#to_s") do
    test("recreatable") do
      key = Arrow::SortKey.new("-count", :desc)
      assert_equal(key,
                   Arrow::SortKey.new(key.to_s))
    end
  end
end