Files
DECNET/tests/topology/test_editing.py
anti fc1f0914b7 refactor(topology): introduce TopologyRepository protocol with DTO return types
Replace repo: BaseRepository with a structural TopologyRepository protocol
in persistence.py and allocator.py. All read methods now return typed DTOs
(TopologySummary, LANRow, DeckyRow, EdgeRow) instead of raw dicts, eliminating
silent field-shape regressions across the topology subsystem.

TopologySummary gains email_personas and language_default so api_personas.py
can continue reading those fields via attribute access. hydrate() converts
DTOs to dicts before passing to _backfill_decky_configs, keeping the mutable
working-state function dict-based at its boundary. All production callers
(router handlers, mutator, CLI, heartbeat) migrated from dict/get access to
attribute access. 134 tests pass.
2026-04-30 23:51:41 -04:00

133 lines
4.7 KiB
Python

"""Pre-deploy mutation repo methods: pending-only, version-aware."""
from __future__ import annotations
import pytest
from decnet.topology.config import TopologyConfig
from decnet.topology.generator import generate
from decnet.topology.persistence import persist, transition_status
from decnet.topology.status import TopologyNotEditable, TopologyStatus
from decnet.web.db.factory import get_repository
def _cfg(**kw) -> TopologyConfig:
base = dict(
name="edit",
depth=1,
branching_factor=1,
deckies_per_lan_min=2,
deckies_per_lan_max=2,
cross_edge_probability=0.0,
randomize_services=False,
services_explicit=["ssh"],
seed=6,
)
base.update(kw)
return TopologyConfig(**base)
@pytest.fixture
async def repo(tmp_path):
r = get_repository(db_path=str(tmp_path / "edit.db"))
await r.initialize()
return r
@pytest.mark.anyio
async def test_add_lan_to_pending_bumps_version(repo):
plan = generate(_cfg())
tid = await persist(repo, plan)
await repo.add_lan(
{"topology_id": tid, "name": "LAN-NEW", "subnet": "10.55.0.0/24", "is_dmz": False},
expected_version=1,
)
topo = await repo.get_topology(tid)
assert topo.version == 2
lans = {l.name for l in await repo.list_lans_for_topology(tid)}
assert "LAN-NEW" in lans
@pytest.mark.anyio
async def test_update_decky_roundtrips_service_config(repo):
plan = generate(_cfg())
tid = await persist(repo, plan)
decky = (await repo.list_topology_deckies(tid))[0]
patch = dict(decky.decky_config)
patch["service_config"] = {"ssh": {"password": "megapassword"}}
await repo.update_topology_decky(
decky.uuid, {"decky_config": patch}, expected_version=1,
)
fresh = next(
d for d in await repo.list_topology_deckies(tid)
if d.uuid == decky.uuid
)
assert fresh.decky_config["service_config"]["ssh"]["password"] == "megapassword"
@pytest.mark.anyio
async def test_update_decky_rejected_on_active_topology(repo):
plan = generate(_cfg())
tid = await persist(repo, plan)
decky = (await repo.list_topology_deckies(tid))[0]
# pending → deploying → active
await transition_status(repo, tid, TopologyStatus.DEPLOYING)
await transition_status(repo, tid, TopologyStatus.ACTIVE)
with pytest.raises(TopologyNotEditable) as ei:
await repo.update_topology_decky(
decky.uuid,
{"decky_config": decky.decky_config},
enforce_pending=True,
)
assert ei.value.status == TopologyStatus.ACTIVE
@pytest.mark.anyio
async def test_delete_lan_with_home_decky_refused(repo):
"""A LAN whose decky has no other edge cannot be deleted — it'd orphan."""
plan = generate(_cfg(depth=1, branching_factor=1, deckies_per_lan_max=1, deckies_per_lan_min=1))
tid = await persist(repo, plan)
lan = (await repo.list_lans_for_topology(tid))[0]
with pytest.raises(ValueError, match="orphaned"):
await repo.delete_lan(lan.id)
@pytest.mark.anyio
async def test_delete_edge_leaves_decky_intact(repo):
"""Deleting one bridge edge of a multi-homed decky should succeed."""
# depth=1 branching=1 gives DMZ(LAN-00) + LAN-01 with a bridge decky.
plan = generate(_cfg())
tid = await persist(repo, plan)
edges = await repo.list_topology_edges(tid)
bridge_edges = [e for e in edges if e.is_bridge]
assert bridge_edges, "generator should produce at least one bridge edge"
# Delete exactly one — the bridge decky should keep at least one edge.
edge = bridge_edges[0]
before_deckies = {d.uuid for d in await repo.list_topology_deckies(tid)}
await repo.delete_topology_edge(edge.id)
after_deckies = {d.uuid for d in await repo.list_topology_deckies(tid)}
assert before_deckies == after_deckies
remaining = await repo.list_topology_edges(tid)
assert edge.id not in {e.id for e in remaining}
@pytest.mark.anyio
async def test_delete_decky_cascades_edges(repo):
plan = generate(_cfg())
tid = await persist(repo, plan)
decky = (await repo.list_topology_deckies(tid))[0]
await repo.delete_topology_decky(decky.uuid)
# No edge pointing to the removed decky remains.
remaining = await repo.list_topology_edges(tid)
assert decky.uuid not in {e.decky_uuid for e in remaining}
@pytest.mark.anyio
async def test_delete_edge_rejected_on_active(repo):
plan = generate(_cfg())
tid = await persist(repo, plan)
edges = await repo.list_topology_edges(tid)
await transition_status(repo, tid, TopologyStatus.DEPLOYING)
await transition_status(repo, tid, TopologyStatus.ACTIVE)
with pytest.raises(TopologyNotEditable):
await repo.delete_topology_edge(edges[0].id)