| """Regression tests for shell launchers.""" |
|
|
| from __future__ import annotations |
|
|
| import os |
| import subprocess |
| import sys |
| from pathlib import Path |
|
|
|
|
| ROOT = Path(__file__).resolve().parents[1] |
| LONGLIVE_INIT = Path("/nfs/ywang29/LongLive/scripts/init_run.sh") |
|
|
|
|
| def _export_lines(path: Path) -> list[str]: |
| return [ |
| line |
| for line in path.read_text(encoding="utf-8").splitlines() |
| if line.startswith("export ") or line.startswith("# export ") |
| ] |
|
|
|
|
| def test_init_run_preserves_longlive_export_lines() -> None: |
| assert _export_lines(ROOT / "scripts/init_run.sh") == _export_lines(LONGLIVE_INIT) |
|
|
|
|
| def test_init_run_uses_selected_python_for_distributed_workers( |
| tmp_path: Path, |
| ) -> None: |
| data_root = tmp_path / "data" |
| data_root.mkdir() |
| output_dir = tmp_path / "output" |
| scratch_dir = tmp_path / "scratch" |
| environment = os.environ.copy() |
| environment.update( |
| { |
| "PYTHON_BIN": sys.executable, |
| "REPO_DIR": str(ROOT), |
| "CONFIG_PATH": "configs/e0_baseline/imagenet_gmnet_s3.yaml", |
| "DATA_ROOT": str(data_root), |
| "OUTPUT_DIR": str(output_dir), |
| "LOCAL_SCRATCH_DIR": str(scratch_dir), |
| "NPROC_PER_NODE": "8", |
| "DRY_RUN": "1", |
| "POST_EVAL": "0", |
| } |
| ) |
|
|
| result = subprocess.run( |
| ["bash", str(ROOT / "scripts/init_run.sh")], |
| check=True, |
| capture_output=True, |
| text=True, |
| env=environment, |
| ) |
|
|
| launch_line = next( |
| line for line in result.stdout.splitlines() if line.startswith("Launching:") |
| ) |
| assert sys.executable in launch_line |
| assert "-m torch.distributed.run" in launch_line |
| assert " torchrun " not in launch_line |
|
|
