import importlib.util
import pathlib

_PATH = pathlib.Path(__file__).resolve().parent.parent / "scripts" / "capacity-scan.py"
_spec = importlib.util.spec_from_file_location("capacity_scan", _PATH)
cs = importlib.util.module_from_spec(_spec)
_spec.loader.exec_module(cs)


def test_parse_table_keys_on_header_and_ignores_extra_cols():
    md = """
intro text
| node | cores | ram_gb | disk_gb | notes |
|------|-------|--------|---------|-------|
| pve0 | 20    | 64     | 4000    | nvme  |
| pve1 | 20    | 64     | 4000    | nvme  |

trailing text
"""
    rows = cs.parse_table(md, ["node", "cores", "ram_gb", "disk_gb"])
    assert rows == [
        {"node": "pve0", "cores": "20", "ram_gb": "64", "disk_gb": "4000", "notes": "nvme"},
        {"node": "pve1", "cores": "20", "ram_gb": "64", "disk_gb": "4000", "notes": "nvme"},
    ]


def test_parse_table_returns_empty_when_header_absent():
    assert cs.parse_table("no tables here", ["node", "cores"]) == []