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F-r-ldraledigplannerare/backend/tests/integration/test_rate_limiting.py
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jacobh2 014503e89b Spend vacation on the days worth having, and name the ones about to expire
The planner knew exactly how many semesterdagar a parent was about to
forfeit and never placed a single day to prevent it. It also had no
weekend-wrap logic at all: REASON_VACATION_WRAP_WEEKEND was stamped on
every tier-3 interior vacation day, including a lone Tuesday in February.

Two changes.

Spend better. A workday adjacent to a free stretch, or in the middle of a
gap of three or fewer fenced by free days, now takes vacation --
_vacation_bridge_reason, consulted for every parent type. This departs
from spec 6.1's "wrapping suppressed for hourly": the FP-preservation
argument is salary-type independent, only the pay argument was hourly-moot.
In a both-parents window, both now take vacation on such a date rather
than one paying with FP. After funding, reallocate_vacation_by_value swaps
vacation onto higher-ranked dates 1-for-1 with FP days, so which dates hold
vacation improves while how many never drops -- greedy first, re-timed
after, never withheld. An invariant test asserts the count can only rise.

Name the losses. A new pass proposes concrete dates for vacation that would
otherwise expire, current year only, ranked red-day bridge then weekend
bridge then interior, later dates first. They ride on
PlanProposal.rescue_days, kept off `days` so nothing downstream commits
them, and surface on the Dashboard with accept-one, accept-all (one
batched /api/plan/apply, not N) and dismiss. Dismissal reuses the
tip_dismissal table, keyed on (parent, year) identity rather than the
group's dates -- those are recomputed from the whole plan's residual on
every propose, so date-hashing made dismissal self-defeating. Dismiss does
not bump the plan version; it changes no data and must not trigger a write.

Measured on the seeded demo: 12 forfeiting days for one parent now yield 12
proposed dates, all Fridays or Mondays. Total vacation placed is unchanged
at 203 days, confirming the reallocation only re-times.

Three defects here were found by driving a browser, while 2273 unit tests
passed -- all three lived in the seam between layers that unit tests mock
away. Adds API-level tests over the real request sequence. Rate limiting is
now off in tests (one file consumed the whole registration budget) with the
suite's first real 429 assertion.

PROPOSE_VS_SYNC_BUG.md documents a pre-existing, unfixed issue found along
the way: Dashboard figures swing on the first sync with no user action.

Backend 946 tests, frontend 1341, coverage above all gates.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YZaX6xbuMEMXuyKA1fq2Mm
2026-09-21 07:00:18 +02:00

56 lines
2.2 KiB
Python

"""Real 429s from the shared slowapi limiter.
`tests/conftest.py` turns rate limiting OFF by default for the whole test
session (see the comment there) — every ASGI test client in a pytest run
would otherwise share one process-global in-memory limiter keyed by remote
address, and look like a single client to it. This file is the one place
that turns the limiter back on (via the `rate_limiting_enabled` fixture) to
prove the feature itself still works end-to-end: hit `/api/auth/login`
past its declared 10/minute budget and confirm slowapi actually returns a
429, not just that our own code assumes it would.
"""
from __future__ import annotations
from collections.abc import AsyncIterator
import aiosqlite
import pytest
import pytest_asyncio
from httpx import ASGITransport, AsyncClient
from app.dependencies import get_connection
from app.main import app
@pytest_asyncio.fixture
async def client(connection: aiosqlite.Connection) -> AsyncIterator[AsyncClient]:
"""Same technique as `tests/integration/test_user_journey.py`'s `client`
fixture: a real app over HTTP, with only the DB connection swapped for
the test's in-memory one.
"""
app.dependency_overrides[get_connection] = lambda: connection
async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
yield ac
app.dependency_overrides.pop(get_connection, None)
@pytest.mark.usefixtures("rate_limiting_enabled")
async def test_login_returns_429_once_the_per_minute_budget_is_spent(
client: AsyncClient,
) -> None:
payload = {"email": "nobody@example.com", "password": "wrong password entirely"}
# /api/auth/login is limited to 10/minute (app/routers/auth.py,
# `@limiter.limit("10/minute")`). The credentials are deliberately
# wrong — slowapi counts the call before the handler body runs, and a
# 401 has no side effects to clean up afterwards, unlike registering
# ten real users would.
for _ in range(10):
resp = await client.post("/api/auth/login", json=payload)
assert resp.status_code == 401, resp.text
resp = await client.post("/api/auth/login", json=payload)
assert resp.status_code == 429, resp.text
assert "Rate limit exceeded" in resp.json()["error"]