timothy cdb67e26f2 test(491): make the MySql dedupe fixture deterministic (pool + database lifetime)
The new MySql coverage failed intermittently in CI with 'Unknown database
etv491_...' at connect time, and passed on the immediately preceding commit -
a latent race in the fixture, not a regression. Diagnosed against a real 8.4
server rather than by inspection; two measured mechanisms:

1. A pooled session outlives DROP DATABASE. Reopening the dropped database's
   connection string SUCCEEDS, because MySqlConnector hands back the still-alive
   session whose default schema no longer exists. Whether a caller sees success
   or 1049 then depends on whether the pool reuses that session or opens a fresh
   one - a fresh handshake names the dropped schema and fails. That is the
   non-determinism, and it is invisible in any single green run.
2. A per-test database name leaks a pool per test. MySqlConnector keys pools by
   connection string, so each test built a new pool that was never cleared,
   leaking ~1 server thread per iteration (measured); hammering it exhausted
   max_connections outright, and a saturated server also inflated this fixture
   from ~1m20s to 13 minutes.

Fix is structural, not a retry: ONE fixed database name (hence one pool), EF owns
the lifecycle via EnsureDeletedAsync (guarded, unlike a raw DROP), the pool is
cleared after every drop, and the drop moves to the START of a test so no test
leaves a live pool pointing at a database it just destroyed. ServerVersion is
resolved once per SetUp instead of twice.

Determinism verified: 10 consecutive runs, 10/10 green, server threads flat at 2
throughout. Negative control re-confirmed after the change - restoring COLLATE
utf8mb4_bin still fails with survivors [1,4,5,6,7,9] vs [1,4,5,6,7,9,10].
Both providers still share one fixture body; still fail-closed under
ETV_REQUIRE_MYSQL_TESTS.

Refs #488 #308
fix #491
2026-07-25 21:13:31 +02:00
2022-04-28 06:56:01 -05:00
2025-11-11 06:12:46 -06:00
2021-02-08 21:13:53 -06:00
2023-08-13 09:33:33 -05:00
2025-11-26 10:49:01 -06:00
2026-02-24 15:27:51 -06:00

ErsatzTV

ErsatzTV lets you transform your media library into a personalized, live TV experience - complete with EPG, channel scheduling, and seamless streaming to all your devices. Rediscover your content, your way.

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How It Works

  1. Install ErsatzTV: Download and set up the server on your system.
  2. Add Your Media: Connect your media libraries and collections.
  3. Create Channels: Design and schedule your own live channels.
  4. Stream Anywhere: Watch on any device with IPTV and EPG support.

Key Features

  • Custom channels: Create and schedule your own live TV channels.
  • IPTV & EPG: Stream with IPTV and Electronic Program Guide support.
  • Hardware Transcoding: High-performance streaming with hardware acceleration (NVENC, QSV, VAAPI, AMF, VideoToolbox)
  • Media Server Integration: Connect Plex, Jellyfin, Emby and more.
  • Music & Subtitles: Mix music videos and enjoy subtitle support.
  • Open Source: Free, open, and community-driven project.

Documentation

Documentation is available at ersatztv.org.

License

This project is inspired by pseudotv-plex and the dizquetv fork and is released under the zlib license.

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