Files
mm/tests/test_cli.py
2026-06-25 15:26:18 +08:00

111 lines
3.1 KiB
Python

import io
from pathlib import Path
from tempfile import TemporaryDirectory
import unittest
from rich.console import Console
from mm.cli import (
GPUStat,
MachineConfig,
MachineResult,
build_parser,
gpu_summary,
load_machines,
parse_nvidia_smi_csv,
render_dashboard,
)
class ConfigTests(unittest.TestCase):
def test_loads_string_and_object_machine_entries(self) -> None:
with TemporaryDirectory() as tmpdir:
config_path = Path(tmpdir) / "list.yaml"
config_path.write_text(
"""
machines:
- dash0
- alias: dash1
label: training-1
""",
encoding="utf-8",
)
machines = load_machines(config_path)
self.assertEqual([machine.alias for machine in machines], ["dash0", "dash1"])
self.assertEqual([machine.label for machine in machines], ["dash0", "training-1"])
def test_loads_mapping_machine_entries(self) -> None:
with TemporaryDirectory() as tmpdir:
config_path = Path(tmpdir) / "list.yaml"
config_path.write_text(
"""
machines:
dash0:
dash1:
label: training-1
""",
encoding="utf-8",
)
machines = load_machines(config_path)
self.assertEqual([machine.alias for machine in machines], ["dash0", "dash1"])
self.assertEqual([machine.label for machine in machines], ["dash0", "training-1"])
class NvidiaSmiParsingTests(unittest.TestCase):
def test_parse_csv_output(self) -> None:
output = (
"0, NVIDIA A100-SXM4-80GB, 12000, 81920, 84, 61, 294.3, 400.0\n"
"1, NVIDIA A100-SXM4-80GB, 0, 81920, 0, 32, 49.8, 400.0\n"
)
gpus = parse_nvidia_smi_csv(output)
self.assertEqual(len(gpus), 2)
self.assertEqual(gpus[0].index, "0")
self.assertEqual(gpus[0].memory_used_mib, 12000)
self.assertEqual(gpus[0].utilization_pct, 84)
self.assertEqual(gpus[1].power_draw_w, 49.8)
class RenderingTests(unittest.TestCase):
def test_render_dashboard_includes_last_refresh_time(self) -> None:
console = Console(
file=io.StringIO(),
record=True,
color_system=None,
width=120,
)
render_dashboard([], Path("list.yaml"), console, refreshed_at="12:34:56")
self.assertIn("last refresh: 12:34:56", console.export_text())
def test_gpu_summary_uses_fixed_width_decimal_metrics(self) -> None:
result = MachineResult(
machine=MachineConfig(alias="dash0", label="dash0"),
gpus=(
GPUStat("0", "GPU", 88 * 1024, 96 * 1024, 0, None, None, None),
GPUStat("1", "GPU", 0, 96 * 1024, 0, None, None, None),
),
)
self.assertEqual(
gpu_summary(result).plain,
"0 88.0/ 96.0G 0.0% 1 0.0/ 96.0G 0.0%",
)
class CLITests(unittest.TestCase):
def test_interval_flag_sets_refresh_interval(self) -> None:
args = build_parser().parse_args(["--interval", "15"])
self.assertEqual(args.interval, 15)
if __name__ == "__main__":
unittest.main()