| 19 | include Helper::Buildable |
| 20 | |
| 21 | def test_reader_backend |
| 22 | data = [true] |
| 23 | field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new) |
| 24 | schema = Arrow::Schema.new([field]) |
| 25 | |
| 26 | tempfile = Tempfile.open("arrow-gio-input-stream") |
| 27 | output = Arrow::FileOutputStream.new(tempfile.path, false) |
| 28 | begin |
| 29 | file_writer = Arrow::RecordBatchFileWriter.new(output, schema) |
| 30 | begin |
| 31 | record_batch = Arrow::RecordBatch.new(schema, |
| 32 | data.size, |
| 33 | [build_boolean_array(data)]) |
| 34 | file_writer.write_record_batch(record_batch) |
| 35 | ensure |
| 36 | file_writer.close |
| 37 | end |
| 38 | ensure |
| 39 | output.close |
| 40 | end |
| 41 | |
| 42 | file = Gio::File.new_for_path(tempfile.path) |
| 43 | input_stream = file.read |
| 44 | input = Arrow::GIOInputStream.new(input_stream) |
| 45 | begin |
| 46 | file_reader = Arrow::RecordBatchFileReader.new(input) |
| 47 | assert_equal([field.name], |
| 48 | file_reader.schema.fields.collect(&:name)) |
| 49 | assert_equal(Arrow::RecordBatch.new(schema, |
| 50 | data.size, |
| 51 | [build_boolean_array(data)]), |
| 52 | file_reader.read_record_batch(0)) |
| 53 | ensure |
| 54 | input.close |
| 55 | end |
| 56 | end |
| 57 | |
| 58 | def test_getter |
| 59 | input_stream = Gio::MemoryInputStream.new("Hello") |