Method test_write_table

c_glib/test/test-file-writer.rb:59–90

  end

  def test_write_table
    tempfile = Tempfile.open("arrow-ipc-file-writer")
    output = Arrow::FileOutputStream.new(tempfile.path, false)

    array = build_boolean_array([true, false, true])
    field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
    schema = Arrow::Schema.new([field])

    begin
      file_writer = Arrow::RecordBatchFileWriter.new(output, schema)
      begin
        table = Arrow::Table.new(schema, [array])
        file_writer.write_table(table)
      ensure
        file_writer.close
        assert do
          file_writer.closed?
        end
      end
    ensure
      output.close
    end

    input = Arrow::MemoryMappedInputStream.new(tempfile.path)
    begin
      file_reader = Arrow::RecordBatchFileReader.new(input)
      assert_equal(Arrow::RecordBatch.new(schema, array.length, [array]),
                   file_reader.read_record_batch(0))
    ensure
      input.close
    end
  end

  def test_footer_custom_metadata
    tempfile = Tempfile.open("arrow-ipc-file-writer")