Align compact GPU metrics

tests/test_cli.py

@@ -2,7 +2,14 @@ from pathlib import Path
 from tempfile import TemporaryDirectory
 import unittest
 
-from mm.cli import load_machines, parse_nvidia_smi_csv
+from mm.cli import (
+    GPUStat,
+    MachineConfig,
+    MachineResult,
+    gpu_summary,
+    load_machines,
+    parse_nvidia_smi_csv,
+)
 
 
 class ConfigTests(unittest.TestCase):
@@ -59,5 +66,21 @@ class NvidiaSmiParsingTests(unittest.TestCase):
         self.assertEqual(gpus[1].power_draw_w, 49.8)
 
 
+class RenderingTests(unittest.TestCase):
+    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%",
+        )
+
+
 if __name__ == "__main__":
     unittest.main()