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musicseerr/backend/tests/test_phase9_observability.py
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"""Phase 9 observability contract tests.
Verifies that every key log event fires with the required fields, and that
SSE / cache-stats wiring propagates AudioDB data end-to-end.
"""
from unittest.mock import AsyncMock, MagicMock, patch
import httpx
import msgspec
import pytest
from tests.helpers import assert_log_fields
from repositories.audiodb_models import (
AudioDBArtistImages,
AudioDBArtistResponse,
AudioDBAlbumImages,
AudioDBAlbumResponse,
)
from services.audiodb_image_service import AudioDBImageService
TEST_MBID = "cc197bad-dc9c-440d-a5b5-d52ba2e14234"
TEST_ALBUM_MBID = "1dc4c347-a1db-32aa-b14f-bc9cc507b843"
SAMPLE_ARTIST_RESP = AudioDBArtistResponse(
idArtist="111239",
strArtist="Coldplay",
strMusicBrainzID=TEST_MBID,
strArtistThumb="https://example.com/thumb.jpg",
strArtistFanart="https://example.com/fanart.jpg",
)
SAMPLE_ALBUM_RESP = AudioDBAlbumResponse(
idAlbum="2115888",
strAlbum="Parachutes",
strMusicBrainzID=TEST_ALBUM_MBID,
strAlbumThumb="https://example.com/album_thumb.jpg",
strAlbumBack="https://example.com/album_back.jpg",
)
def _make_settings(enabled=True, name_search_fallback=False):
s = MagicMock()
s.audiodb_enabled = enabled
s.audiodb_name_search_fallback = name_search_fallback
s.cache_ttl_audiodb_found = 604800
s.cache_ttl_audiodb_not_found = 86400
s.cache_ttl_audiodb_library = 1209600
s.audiodb_prewarm_concurrency = 4
s.audiodb_prewarm_delay = 0.0
return s
def _make_image_service(settings=None, disk_cache=None, repo=None):
if settings is None:
settings = _make_settings()
prefs = MagicMock()
prefs.get_advanced_settings.return_value = settings
if disk_cache is None:
disk_cache = AsyncMock()
disk_cache.get_audiodb_artist = AsyncMock(return_value=None)
disk_cache.get_audiodb_album = AsyncMock(return_value=None)
disk_cache.set_audiodb_artist = AsyncMock()
disk_cache.set_audiodb_album = AsyncMock()
if repo is None:
repo = AsyncMock()
return AudioDBImageService(
audiodb_repo=repo,
disk_cache=disk_cache,
preferences_service=prefs,
)
CACHE_REQUIRED_FIELDS = ["action", "entity_type", "mbid", "lookup_source"]
class TestCacheLogContract:
@pytest.mark.asyncio
async def test_miss_includes_lookup_source(self, caplog):
svc = _make_image_service()
with caplog.at_level("DEBUG"):
await svc.get_cached_artist_images(TEST_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.cache", CACHE_REQUIRED_FIELDS)
assert any("action=miss" in m for m in msgs)
@pytest.mark.asyncio
async def test_corrupt_includes_lookup_source(self, caplog):
disk = AsyncMock()
disk.get_audiodb_artist = AsyncMock(return_value="not-a-dict")
disk.delete_entity = AsyncMock()
svc = _make_image_service(disk_cache=disk)
with caplog.at_level("DEBUG"):
await svc.get_cached_artist_images(TEST_MBID)
msgs = assert_log_fields(
caplog.records, "audiodb.cache", CACHE_REQUIRED_FIELDS,
)
assert any("action=corrupt" in m for m in msgs)
@pytest.mark.asyncio
async def test_hit_includes_lookup_source(self, caplog):
images = AudioDBArtistImages(
thumb_url="https://example.com/thumb.jpg",
is_negative=False,
lookup_source="mbid",
)
raw = msgspec.structs.asdict(images)
disk = AsyncMock()
disk.get_audiodb_artist = AsyncMock(return_value=raw)
svc = _make_image_service(disk_cache=disk)
with caplog.at_level("DEBUG"):
await svc.get_cached_artist_images(TEST_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.cache", CACHE_REQUIRED_FIELDS)
assert any("action=hit" in m for m in msgs)
@pytest.mark.asyncio
async def test_write_mbid_includes_lookup_source(self, caplog):
repo = AsyncMock()
repo.get_artist_by_mbid = AsyncMock(return_value=SAMPLE_ARTIST_RESP)
svc = _make_image_service(repo=repo)
with caplog.at_level("DEBUG"):
await svc.fetch_and_cache_artist_images(TEST_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.cache", CACHE_REQUIRED_FIELDS)
assert any("action=write" in m and "lookup_source=mbid" in m for m in msgs)
@pytest.mark.asyncio
async def test_fetch_error_mbid_includes_lookup_source(self, caplog):
repo = AsyncMock()
repo.get_artist_by_mbid = AsyncMock(side_effect=Exception("network"))
svc = _make_image_service(repo=repo)
with caplog.at_level("DEBUG"):
await svc.fetch_and_cache_artist_images(TEST_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.cache", CACHE_REQUIRED_FIELDS)
assert any("action=fetch_error" in m and "lookup_source=mbid" in m for m in msgs)
@pytest.mark.asyncio
async def test_album_miss_includes_lookup_source(self, caplog):
svc = _make_image_service()
with caplog.at_level("DEBUG"):
await svc.get_cached_album_images(TEST_ALBUM_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.cache", CACHE_REQUIRED_FIELDS)
assert any("action=miss" in m and "entity_type=album" in m for m in msgs)
@pytest.mark.asyncio
async def test_album_write_mbid_includes_lookup_source(self, caplog):
repo = AsyncMock()
repo.get_album_by_mbid = AsyncMock(return_value=SAMPLE_ALBUM_RESP)
svc = _make_image_service(repo=repo)
with caplog.at_level("DEBUG"):
await svc.fetch_and_cache_album_images(TEST_ALBUM_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.cache", CACHE_REQUIRED_FIELDS)
assert any("action=write" in m and "entity_type=album" in m for m in msgs)
LOOKUP_REQUIRED_FIELDS = ["entity", "lookup_type", "found", "elapsed_ms"]
class TestLookupLogContract:
@pytest.fixture(autouse=True)
def _reset_resilience(self):
from repositories.audiodb_repository import _audiodb_circuit_breaker
_audiodb_circuit_breaker.reset()
yield
_audiodb_circuit_breaker.reset()
@pytest.fixture(autouse=True)
def _stub_retry_sleep(self):
with patch("infrastructure.resilience.retry.asyncio.sleep", new=AsyncMock()):
yield
def _make_repo(self):
from repositories.audiodb_repository import AudioDBRepository
client = AsyncMock(spec=httpx.AsyncClient)
prefs = MagicMock()
settings = MagicMock()
settings.audiodb_enabled = True
settings.audiodb_api_key = "test_key"
prefs.get_advanced_settings.return_value = settings
return AudioDBRepository(
http_client=client,
preferences_service=prefs,
api_key="test_key",
)
def _mock_response(self, status_code=200, json_data=None):
resp = MagicMock(spec=httpx.Response)
resp.status_code = status_code
resp.content = msgspec.json.encode(json_data or {})
return resp
@pytest.mark.asyncio
async def test_artist_mbid_found_logs_lookup(self, caplog):
repo = self._make_repo()
data = {"artists": [{
"idArtist": "111239", "strArtist": "Coldplay",
"strMusicBrainzID": TEST_MBID,
"strArtistThumb": "https://example.com/thumb.jpg",
}]}
repo._client.get = AsyncMock(return_value=self._mock_response(200, data))
with caplog.at_level("DEBUG"):
await repo.get_artist_by_mbid(TEST_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.lookup", LOOKUP_REQUIRED_FIELDS)
assert any("found=true" in m and "entity=artist" in m for m in msgs)
@pytest.mark.asyncio
async def test_artist_mbid_not_found_logs_lookup(self, caplog):
repo = self._make_repo()
repo._client.get = AsyncMock(return_value=self._mock_response(200, {"artists": None}))
with caplog.at_level("DEBUG"):
await repo.get_artist_by_mbid(TEST_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.lookup", LOOKUP_REQUIRED_FIELDS)
assert any("found=false" in m for m in msgs)
@pytest.mark.asyncio
async def test_album_mbid_found_logs_lookup(self, caplog):
repo = self._make_repo()
data = {"album": [{
"idAlbum": "2115888", "strAlbum": "Parachutes",
"strMusicBrainzID": TEST_ALBUM_MBID,
"strAlbumThumb": "https://example.com/thumb.jpg",
}]}
repo._client.get = AsyncMock(return_value=self._mock_response(200, data))
with caplog.at_level("DEBUG"):
await repo.get_album_by_mbid(TEST_ALBUM_MBID)
msgs = assert_log_fields(caplog.records, "audiodb.lookup", LOOKUP_REQUIRED_FIELDS)
assert any("found=true" in m and "entity=album" in m for m in msgs)
@pytest.mark.asyncio
async def test_name_search_logs_lookup(self, caplog):
repo = self._make_repo()
data = {"artists": [{
"idArtist": "111239", "strArtist": "Coldplay",
"strMusicBrainzID": TEST_MBID,
"strArtistThumb": "https://example.com/thumb.jpg",
}]}
repo._client.get = AsyncMock(return_value=self._mock_response(200, data))
with caplog.at_level("DEBUG"):
await repo.search_artist_by_name("Coldplay")
msgs = assert_log_fields(caplog.records, "audiodb.lookup", LOOKUP_REQUIRED_FIELDS)
assert any("lookup_type=name" in m for m in msgs)
class TestPrewarmLogContract:
def _make_status_service(self):
status = MagicMock()
status.update_phase = AsyncMock()
status.update_progress = AsyncMock()
status.persist_progress = AsyncMock()
status.is_cancelled.return_value = False
return status
def _make_precache_service(self, audiodb_svc=None, prefs=None):
from services.library_precache_service import LibraryPrecacheService
if audiodb_svc is None:
audiodb_svc = AsyncMock()
audiodb_svc.get_cached_artist_images = AsyncMock(return_value=None)
audiodb_svc.get_cached_album_images = AsyncMock(return_value=None)
audiodb_svc.fetch_and_cache_artist_images = AsyncMock(return_value=None)
audiodb_svc.fetch_and_cache_album_images = AsyncMock(return_value=None)
if prefs is None:
settings = MagicMock()
settings.audiodb_enabled = True
settings.audiodb_name_search_fallback = False
settings.audiodb_prewarm_concurrency = 4
settings.audiodb_prewarm_delay = 0.0
prefs = MagicMock()
prefs.get_advanced_settings.return_value = settings
return LibraryPrecacheService(
lidarr_repo=AsyncMock(),
cover_repo=AsyncMock(),
preferences_service=prefs,
sync_state_store=AsyncMock(),
genre_index=AsyncMock(),
library_db=AsyncMock(),
audiodb_image_service=audiodb_svc,
)
@pytest.mark.asyncio
async def test_prewarm_progress_logs_fire(self, caplog):
svc = AsyncMock()
images = AudioDBArtistImages(thumb_url="https://x.com/t.jpg", is_negative=False)
svc.get_cached_artist_images = AsyncMock(return_value=None)
svc.get_cached_album_images = AsyncMock(return_value=None)
svc.fetch_and_cache_artist_images = AsyncMock(return_value=images)
svc.fetch_and_cache_album_images = AsyncMock(return_value=None)
precache = self._make_precache_service(audiodb_svc=svc)
status = self._make_status_service()
artists = [{"mbid": TEST_MBID, "name": f"Artist{i}"} for i in range(1)]
with caplog.at_level("DEBUG"):
with patch.object(precache, '_download_audiodb_bytes', new_callable=AsyncMock, return_value=True):
await precache._precache_audiodb_data(artists, [], status)
complete_logs = [
r.message for r in caplog.records
if r.message.startswith("audiodb.prewarm") and "action=complete" in r.message
]
assert len(complete_logs) >= 1
for msg in complete_logs:
assert "processed=" in msg
assert "total=" in msg
@pytest.mark.asyncio
async def test_prewarm_calls_update_phase_audiodb(self):
svc = AsyncMock()
svc.get_cached_artist_images = AsyncMock(return_value=None)
svc.get_cached_album_images = AsyncMock(return_value=None)
svc.fetch_and_cache_artist_images = AsyncMock(return_value=None)
precache = self._make_precache_service(audiodb_svc=svc)
status = self._make_status_service()
artists = [{"mbid": TEST_MBID, "name": "Coldplay"}]
await precache._precache_audiodb_data(artists, [], status)
phase_calls = [
c for c in status.update_phase.call_args_list
if c.args[0] == "audiodb_prewarm"
]
assert len(phase_calls) >= 1, "Expected update_phase('audiodb_prewarm', ...) call"
class TestCacheStatsAudioDBWiring:
@pytest.mark.asyncio
async def test_get_stats_includes_audiodb_counts(self):
from services.cache_service import CacheService
disk_cache = MagicMock()
disk_cache.get_stats.return_value = {
"total_count": 100,
"album_count": 60,
"artist_count": 40,
"audiodb_artist_count": 15,
"audiodb_album_count": 25,
}
mem_cache = MagicMock()
mem_cache.size.return_value = 10
mem_cache.estimate_memory_bytes.return_value = 2048
library_db = AsyncMock()
library_db.get_stats = AsyncMock(return_value={
"artist_count": 5,
"album_count": 8,
"db_size_bytes": 4096,
})
svc = CacheService(
cache=mem_cache,
library_db=library_db,
disk_cache=disk_cache,
)
svc._stats_cache_ttl = 0
with patch("services.cache_service.get_covers_cache_dir") as mock_get_dir:
mock_dir = MagicMock()
mock_dir.exists.return_value = False
mock_get_dir.return_value = mock_dir
stats = await svc.get_stats()
assert stats.disk_audiodb_artist_count == 15
assert stats.disk_audiodb_album_count == 25