coulomb/fin-hub
4
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Harden resource cost evidence contract

Browse source
This commit is contained in:
tegwick 2026-08-11 10:25:03 +02:00
parent 080f756fff
commit 00343307fd
22 changed files with 1623 additions and 130 deletions
Download patch file Download diff file Expand all files Collapse all files

34
tests/test_coupling.py
View file

@ -21,8 +21,11 @@ def test_build_service_cost_report_groups_by_service():
report = build_service_cost_report(lines)
assert report["signal"] == "service_cost_attribution"
assert len(report["services"]) == 2
assert report["totals_by_month"]["2026-06"] == pytest.approx(99.8)
assert report["totals_by_period_currency"] == [
{"period_month": "2026-06", "currency": "EUR", "total": pytest.approx(99.8)}
]
assert report["attributions"][0]["cost_attribution_key"] is None
assert report["unattributed"][0]["total"] == pytest.approx(99.8)
def test_build_service_cost_report_groups_by_client_attribution():
@ -49,6 +52,7 @@ def test_build_service_cost_report_groups_by_client_attribution():
"client_id": "acme",
"application_id": "portal",
"app_instance_id": "prod-01",
"environment": "production",
"currency": "EUR",
"months": {"2026-07": 42.0},
"total": 42.0,
@ -77,3 +81,31 @@ def test_client_attribution_totals_do_not_mix_currencies():
("EUR", 42.0),
("USD", 50.0),
}
def test_service_totals_do_not_mix_currency_or_environment():
common = {
"service_id": "cluster",
"period_month": "2026-07",
"source": "fixture",
}
report = build_service_cost_report(
[
ServiceCostLine(amount=10.0, currency="EUR", environment="production", **common),
ServiceCostLine(amount=20.0, currency="USD", environment="production", **common),
ServiceCostLine(amount=30.0, currency="EUR", environment="development", **common),
]
)
assert {
(row["environment"], row["currency"], row["total"])
for row in report["services"]
} == {
("production", "EUR", 10.0),
("production", "USD", 20.0),
("development", "EUR", 30.0),
}
assert report["totals_by_period_currency"] == [
{"period_month": "2026-07", "currency": "EUR", "total": 40.0},
{"period_month": "2026-07", "currency": "USD", "total": 20.0},
]