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mcma-backend/tests/test_playlists_api.py
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stuff
2026-07-23 12:01:55 +03:00

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11 KiB
Python

"""Integration tests for the v1 playlist API.
Requires a reachable Postgres; skips otherwise.
"""
import asyncio
import os
from collections.abc import AsyncIterator
from pathlib import Path
from typing import Any
import pytest
from app.core.config import get_settings
from app.infrastructure.db import Base, dispose_engine, get_engine, session_scope
from app.infrastructure.db.repositories import (
SqlAlchemyRefreshTokenRepository,
SqlAlchemyUserRepository,
)
from asgi_lifespan import LifespanManager
from httpx import ASGITransport, AsyncClient
pytestmark = pytest.mark.asyncio
_db_reachable_cache: bool | None = None
async def _db_reachable() -> bool:
global _db_reachable_cache
if _db_reachable_cache is not None:
return _db_reachable_cache
from sqlalchemy import text
try:
async with asyncio.timeout(3):
async with get_engine().connect() as conn:
await conn.execute(text("SELECT 1"))
_db_reachable_cache = True
except Exception:
_db_reachable_cache = False
return _db_reachable_cache
@pytest.fixture
async def api(tmp_path: Path) -> AsyncIterator[AsyncClient]:
if not await _db_reachable():
pytest.skip("Postgres not reachable — integration test skipped.")
os.environ["MEDIA_PATH"] = str(tmp_path)
get_settings.cache_clear()
import app.infrastructure.storage.provider as _storage_provider
_storage_provider._storage = None
try:
async with get_engine().begin() as conn:
await conn.run_sync(Base.metadata.drop_all)
await conn.run_sync(Base.metadata.create_all)
from app.application.user_service import UserService
from app.core.security import Argon2PasswordHasher
async with session_scope() as session:
service = UserService(
users=SqlAlchemyUserRepository(session),
refresh_tokens=SqlAlchemyRefreshTokenRepository(session),
hasher=Argon2PasswordHasher(),
)
await service.create_user(username="testuser", password="testpass1", is_superuser=False)
await service.create_user(
username="otheruser", password="otherpass1", is_superuser=False
)
from app.main import create_app
app = create_app()
async with LifespanManager(app):
transport = ASGITransport(app=app)
async with AsyncClient(transport=transport, base_url="http://test") as client:
yield client
async with get_engine().begin() as conn:
await conn.run_sync(Base.metadata.drop_all)
await dispose_engine()
finally:
_storage_provider._storage = None
os.environ.pop("MEDIA_PATH", None)
get_settings.cache_clear()
async def _login(
api: AsyncClient, *, username: str = "testuser", password: str = "testpass1"
) -> str:
resp = await api.post("/api/v1/auth/login", json={"username": username, "password": password})
assert resp.status_code == 200
return str(resp.json()["access_token"])
async def _upload(api: AsyncClient, token: str, *, name: str = "song.mp3") -> str:
# Content must vary per call: uploads dedupe by content hash, so identical
# bytes across "different" tracks would collapse to a single track_id.
audio = f"fake audio bytes for playlist test {name}".encode() * 10
resp = await api.post(
"/api/v1/upload",
files={"file": (name, audio, "audio/mpeg")},
headers={"Authorization": f"Bearer {token}"},
)
assert resp.status_code == 200, resp.text
return str(resp.json()["track_id"])
async def _create_playlist(
api: AsyncClient, token: str, *, name: str = "My Playlist"
) -> dict[str, Any]:
resp = await api.post(
"/api/v1/playlists",
json={"name": name, "description": "desc"},
headers={"Authorization": f"Bearer {token}"},
)
assert resp.status_code == 201, resp.text
body: dict[str, Any] = resp.json()
return body
async def test_playlist_lifecycle(api: AsyncClient) -> None:
token = await _login(api)
headers = {"Authorization": f"Bearer {token}"}
created = await _create_playlist(api, token)
playlist_id = created["id"]
assert created["version"] == 1
assert created["track_count"] == 0
resp = await api.get("/api/v1/playlists", headers=headers)
assert resp.status_code == 200, resp.text
assert any(p["id"] == playlist_id for p in resp.json()["items"])
resp = await api.get(f"/api/v1/playlists/{playlist_id}", headers=headers)
assert resp.status_code == 200, resp.text
assert resp.json()["name"] == "My Playlist"
resp = await api.patch(
f"/api/v1/playlists/{playlist_id}",
json={"name": "Renamed", "description": "new desc"},
headers=headers,
)
assert resp.status_code == 200, resp.text
body = resp.json()
assert body["name"] == "Renamed"
assert body["description"] == "new desc"
assert body["version"] == 2
resp = await api.delete(f"/api/v1/playlists/{playlist_id}", headers=headers)
assert resp.status_code == 204
resp = await api.get(f"/api/v1/playlists/{playlist_id}", headers=headers)
assert resp.status_code == 404
async def test_add_track_idempotent(api: AsyncClient) -> None:
token = await _login(api)
headers = {"Authorization": f"Bearer {token}"}
playlist_id = (await _create_playlist(api, token))["id"]
track_id = await _upload(api, token)
resp = await api.post(
f"/api/v1/playlists/{playlist_id}/tracks", json={"track_id": track_id}, headers=headers
)
assert resp.status_code == 204
resp = await api.get(f"/api/v1/playlists/{playlist_id}", headers=headers)
assert resp.json()["version"] == 2
assert resp.json()["track_count"] == 1
resp = await api.get(f"/api/v1/playlists/{playlist_id}/tracks", headers=headers)
assert resp.status_code == 200, resp.text
assert [t["id"] for t in resp.json()["items"]] == [track_id]
# Adding the same track again must be idempotent: 204, no duplicate, no version bump.
resp = await api.post(
f"/api/v1/playlists/{playlist_id}/tracks", json={"track_id": track_id}, headers=headers
)
assert resp.status_code == 204
resp = await api.get(f"/api/v1/playlists/{playlist_id}", headers=headers)
assert resp.json()["version"] == 2
assert resp.json()["track_count"] == 1
async def test_remove_track(api: AsyncClient) -> None:
token = await _login(api)
headers = {"Authorization": f"Bearer {token}"}
playlist_id = (await _create_playlist(api, token))["id"]
track_id = await _upload(api, token)
resp = await api.post(
f"/api/v1/playlists/{playlist_id}/tracks", json={"track_id": track_id}, headers=headers
)
assert resp.status_code == 204
resp = await api.delete(f"/api/v1/playlists/{playlist_id}/tracks/{track_id}", headers=headers)
assert resp.status_code == 204
resp = await api.get(f"/api/v1/playlists/{playlist_id}", headers=headers)
assert resp.json()["track_count"] == 0
assert resp.json()["version"] == 3
async def test_reorder_happy_path(api: AsyncClient) -> None:
token = await _login(api)
headers = {"Authorization": f"Bearer {token}"}
playlist_id = (await _create_playlist(api, token))["id"]
track_ids = []
for i in range(3):
track_id = await _upload(api, token, name=f"song{i}.mp3")
track_ids.append(track_id)
resp = await api.post(
f"/api/v1/playlists/{playlist_id}/tracks",
json={"track_id": track_id},
headers=headers,
)
assert resp.status_code == 204
reordered = list(reversed(track_ids))
resp = await api.put(
f"/api/v1/playlists/{playlist_id}/tracks/reorder",
json={"track_ids": reordered},
headers=headers,
)
assert resp.status_code == 200, resp.text
assert resp.json()["version"] == 5 # 1 create + 3 adds + 1 reorder
resp = await api.get(f"/api/v1/playlists/{playlist_id}/tracks", headers=headers)
assert resp.status_code == 200, resp.text
assert [t["id"] for t in resp.json()["items"]] == reordered
async def test_reorder_bad_id_set_returns_422(api: AsyncClient) -> None:
token = await _login(api)
headers = {"Authorization": f"Bearer {token}"}
playlist_id = (await _create_playlist(api, token))["id"]
track_id = await _upload(api, token)
resp = await api.post(
f"/api/v1/playlists/{playlist_id}/tracks", json={"track_id": track_id}, headers=headers
)
assert resp.status_code == 204
# Missing the only member.
resp = await api.put(
f"/api/v1/playlists/{playlist_id}/tracks/reorder",
json={"track_ids": []},
headers=headers,
)
assert resp.status_code == 422
# Duplicate id.
resp = await api.put(
f"/api/v1/playlists/{playlist_id}/tracks/reorder",
json={"track_ids": [track_id, track_id]},
headers=headers,
)
assert resp.status_code == 422
# Extra unknown id.
other_id = await _upload(api, token, name="not-a-member.mp3")
resp = await api.put(
f"/api/v1/playlists/{playlist_id}/tracks/reorder",
json={"track_ids": [track_id, other_id]},
headers=headers,
)
assert resp.status_code == 422
async def test_reorder_by_non_owner_returns_403(api: AsyncClient) -> None:
token = await _login(api)
other_token = await _login(api, username="otheruser", password="otherpass1")
headers = {"Authorization": f"Bearer {token}"}
playlist_id = (await _create_playlist(api, token))["id"]
track_id = await _upload(api, token)
resp = await api.post(
f"/api/v1/playlists/{playlist_id}/tracks", json={"track_id": track_id}, headers=headers
)
assert resp.status_code == 204
resp = await api.put(
f"/api/v1/playlists/{playlist_id}/tracks/reorder",
json={"track_ids": [track_id]},
headers={"Authorization": f"Bearer {other_token}"},
)
assert resp.status_code == 403
async def test_unknown_playlist_returns_404(api: AsyncClient) -> None:
token = await _login(api)
headers = {"Authorization": f"Bearer {token}"}
unknown_id = "00000000-0000-0000-0000-000000000000"
track_id = await _upload(api, token)
resp = await api.get(f"/api/v1/playlists/{unknown_id}", headers=headers)
assert resp.status_code == 404
resp = await api.patch(f"/api/v1/playlists/{unknown_id}", json={"name": "x"}, headers=headers)
assert resp.status_code == 404
resp = await api.delete(f"/api/v1/playlists/{unknown_id}", headers=headers)
assert resp.status_code == 404
resp = await api.post(
f"/api/v1/playlists/{unknown_id}/tracks", json={"track_id": track_id}, headers=headers
)
assert resp.status_code == 404