(tempdir, dataset_reader, pickle_module)
| 2495 | |
| 2496 | @pytest.mark.parquet |
| 2497 | def test_construct_from_single_file(tempdir, dataset_reader, pickle_module): |
| 2498 | directory = tempdir / 'single-file' |
| 2499 | directory.mkdir() |
| 2500 | table, path = _create_single_file(directory) |
| 2501 | relative_path = path.relative_to(directory) |
| 2502 | |
| 2503 | # instantiate from a single file |
| 2504 | d1 = ds.dataset(path) |
| 2505 | # instantiate from a single file with a filesystem object |
| 2506 | d2 = ds.dataset(path, filesystem=fs.LocalFileSystem()) |
| 2507 | # instantiate from a single file with prefixed filesystem URI |
| 2508 | d3 = ds.dataset(str(relative_path), filesystem=_filesystem_uri(directory)) |
| 2509 | # pickle roundtrip |
| 2510 | d4 = pickle_module.loads(pickle_module.dumps(d1)) |
| 2511 | |
| 2512 | assert dataset_reader.to_table(d1) == dataset_reader.to_table( |
| 2513 | d2) == dataset_reader.to_table(d3) == dataset_reader.to_table(d4) |
| 2514 | |
| 2515 | |
| 2516 | @pytest.mark.parquet |
nothing calls this directly
no test coverage detected