Coverage for src/rechunk_data/tests/test_cli.py: 100%

1"""Unit tests for the cli.""" 

2 

3from pathlib import Path 

4from tempfile import TemporaryDirectory 

5 

6import pytest 

7from rechunk_data import cli 

8 

9 

10def test_command_line_interface(data_dir: Path) -> None: 

11 """Test the cli method.""" 

12 with pytest.raises(SystemExit): 

13 cli(["--help"]) 

14 

15 with pytest.raises(SystemExit): 

16 cli([str(data_dir), "--engine", "foo"]) 

17 

18 data_files = sorted(data_dir.rglob("*.nc")) 

19 with TemporaryDirectory() as temp_dir: 

20 cli([str(data_dir), "--output", temp_dir]) 

21 new_files = sorted(Path(temp_dir).rglob("*.nc")) 

22 assert len(data_files) == len(new_files)