ruby/red-arrow/test/test-feather.rb

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class FeatherTest < Test::Unit::TestCase
  include Helper::Fixture

  def setup
    columns = {
      "message" => Arrow::StringArray.new(["Start", "Crash", "Shutdown"]),
      "is_critical" => Arrow::BooleanArray.new([false, true, false]),
    }
    @table = Arrow::Table.new(columns)

    @output = Tempfile.new(["red-arrow", ".feather"])
    begin
      yield(@output)
    ensure
      @output.close!
    end
  end

  def test_default
    @table.save(@output.path)
    @output.close

    assert_equal(@table, Arrow::Table.load(@output.path))
  end

  def test_compression
    @table.save(@output.path, compression: :zstd)
    @output.close

    assert_equal(@table, Arrow::Table.load(@output.path))
  end
end