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pobsync/src/pobsync_backend/tests/test_stats_summary.py

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from __future__ import annotations
from datetime import datetime, timezone
from django.test import TestCase
from pobsync_backend.models import HostConfig, SnapshotRecord
from pobsync_backend.stats_summary import collect_dashboard_stats, collect_host_stats
class StatsSummaryTests(TestCase):
def test_collect_dashboard_stats_sums_backup_data_across_hosts(self) -> None:
web = HostConfig.objects.create(host="web-01", address="web-01.example.test")
db = HostConfig.objects.create(host="db-01", address="db-01.example.test")
self._snapshot(web, "20260519-021500Z__SCHED01", SnapshotRecord.Kind.SCHEDULED, allocated=100)
self._snapshot(web, "20260519-031500Z__MANUAL1", SnapshotRecord.Kind.MANUAL, allocated=200)
self._snapshot(db, "20260519-041500Z__SCHED02", SnapshotRecord.Kind.SCHEDULED, allocated=300)
self._snapshot(db, "20260519-051500Z__BROKEN1", SnapshotRecord.Kind.INCOMPLETE, allocated=400)
stats = collect_dashboard_stats(hosts=[web, db], global_config=None)
self.assertEqual(stats["backup_data"]["scheduled"]["count"], 2)
self.assertEqual(stats["backup_data"]["scheduled"]["allocated_size_bytes"], 400)
self.assertEqual(stats["backup_data"]["manual"]["allocated_size_bytes"], 200)
self.assertEqual(stats["backup_data"]["incomplete"]["allocated_size_bytes"], 400)
self.assertEqual(stats["backup_data"]["total"]["count"], 4)
self.assertEqual(stats["backup_data"]["total"]["allocated_size_bytes"], 1000)
def test_collect_host_stats_sums_backup_data_by_snapshot_kind(self) -> None:
host = HostConfig.objects.create(host="web-01", address="web-01.example.test")
self._snapshot(host, "20260519-021500Z__SCHED01", SnapshotRecord.Kind.SCHEDULED, allocated=100)
self._snapshot(host, "20260519-031500Z__SCHED02", SnapshotRecord.Kind.SCHEDULED, allocated=200)
self._snapshot(host, "20260519-041500Z__MANUAL1", SnapshotRecord.Kind.MANUAL, allocated=300)
self._snapshot(host, "20260519-051500Z__BROKEN1", SnapshotRecord.Kind.INCOMPLETE, allocated=400)
stats = collect_host_stats(host=host)
self.assertEqual(stats["backup_data"]["scheduled"]["count"], 2)
self.assertEqual(stats["backup_data"]["scheduled"]["allocated_size_bytes"], 300)
self.assertEqual(stats["backup_data"]["manual"]["allocated_size_bytes"], 300)
self.assertEqual(stats["backup_data"]["incomplete"]["allocated_size_bytes"], 400)
self.assertEqual(stats["backup_data"]["total"]["count"], 4)
self.assertEqual(stats["backup_data"]["total"]["allocated_size_bytes"], 1000)
def _snapshot(self, host: HostConfig, dirname: str, kind: str, *, allocated: int) -> SnapshotRecord:
started_at = datetime.strptime(dirname.split("__", 1)[0], "%Y%m%d-%H%M%SZ").replace(tzinfo=timezone.utc)
return SnapshotRecord.objects.create(
host=host,
kind=kind,
dirname=dirname,
path=f"/backups/{host.host}/{kind}/{dirname}",
status="success",
started_at=started_at,
metadata={
"stats": {
"storage": {
"snapshot": {
"apparent_size_bytes": allocated * 2,
"allocated_size_bytes": allocated,
}
}
}
},
)