ruby/red-arrow/test/test-record-batch-reader.rb

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class TestRecordBatchReader < Test::Unit::TestCase
  sub_test_case(".try_convert") do
    test("Arrow::RecordBatch") do
      record_batch =
        Arrow::RecordBatch.new("count" => [1, 2, 3],
                               "private" => [true, false, true])
      reader = Arrow::RecordBatchReader.try_convert(record_batch)
      assert_equal(record_batch,
                   reader.read_next)
    end

    test("[Arrow::RecordBatch]") do
      record_batch =
        Arrow::RecordBatch.new("count" => [1, 2, 3],
                               "private" => [true, false, true])
      reader = Arrow::RecordBatchReader.try_convert([record_batch])
      assert_equal(record_batch,
                   reader.read_next)
    end

    test("Arrow::Table") do
      table = Arrow::Table.new("count" => [1, 2, 3],
                               "private" => [true, false, true])
      reader = Arrow::RecordBatchReader.try_convert(table)
      assert_equal(table,
                   reader.read_all)
    end
  end
end