ruby/red-arrow/test/test-fixed-size-binary-array-builder.rb

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class FixedSizeBinaryArrayBuilderTest < Test::Unit::TestCase
  def setup
    @data_type = Arrow::FixedSizeBinaryDataType.new(4)
    @builder = Arrow::FixedSizeBinaryArrayBuilder.new(@data_type)
  end

  sub_test_case("#append_value") do
    test("nil") do
      @builder.append_value(nil)
      array = @builder.finish
      assert_equal(nil, array[0])
    end

    test("String") do
      @builder.append_value("0123")
      array = @builder.finish
      assert_equal("0123", array[0])
    end

    test("GLib::Bytes") do
      @builder.append_value(GLib::Bytes.new("0123"))
      array = @builder.finish
      assert_equal("0123", array[0])
    end
  end

  sub_test_case("#append_values") do
    test("mixed") do
      @builder.append_values([
                               "0123",
                               nil,
                               GLib::Bytes.new("abcd"),
                             ])
      array = @builder.finish
      assert_equal([
                     "0123",
                     nil,
                     "abcd",
                   ],
                   array.to_a)
    end

    test("is_valids") do
      @builder.append_values([
                               "0123",
                               "0123",
                               "0123",
                             ],
                             [
                               true,
                               false,
                               true,
                             ])
      array = @builder.finish
      assert_equal([
                     "0123",
                     nil,
                     "0123",
                   ],
                   array.to_a)
    end

    test("packed") do
      @builder.append_values("0123" * 3,
                             [true, false, true])
      array = @builder.finish
      assert_equal([
                     "0123",
                     nil,
                     "0123",
                   ],
                   array.to_a)
    end
  end
end