Jonathan
46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
from lyra_worker.ranker import rank_candidates
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from lyra_worker.types import Candidate, MBTarget, Quality
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HIRES = Quality(fmt="FLAC", lossless=True, bit_depth=24, sample_rate=96000)
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CD = Quality(fmt="FLAC", lossless=True, bit_depth=16, sample_rate=44100)
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MP3 = Quality(fmt="MP3", lossless=False, bitrate_kbps=320)
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TARGET = MBTarget(artist="Radiohead", album="In Rainbows", track_count=10)
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_TIERS = {"qobuz": 0, "soulseek": 1, "youtube": 2}
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def _cand(source, quality, artist="Radiohead", album="In Rainbows", tracks=10):
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return Candidate(source=source, source_ref=f"{source}:{quality.fmt}",
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matched_artist=artist, matched_album=album,
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quality=quality, track_count=tracks,
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source_tier=_TIERS[source])
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def test_returns_empty_for_no_candidates():
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assert rank_candidates(TARGET, []) == []
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def test_best_quality_wins_among_correct_matches():
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ranked = rank_candidates(TARGET, [
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_cand("youtube", MP3),
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_cand("qobuz", HIRES),
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_cand("soulseek", CD),
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])
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assert [c.source for c in ranked] == ["qobuz", "soulseek", "youtube"]
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assert all(c.confidence > 0.9 for c in ranked)
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def test_confidence_gate_drops_wrong_album_even_if_higher_quality():
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ranked = rank_candidates(TARGET, [
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_cand("qobuz", HIRES, album="OK Computer", tracks=12), # wrong release, hi-res
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_cand("soulseek", CD), # correct, lossless
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])
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assert [c.source for c in ranked] == ["soulseek"]
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def test_all_below_threshold_returns_empty():
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ranked = rank_candidates(TARGET, [
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_cand("qobuz", HIRES, artist="Nirvana", album="Nevermind"),
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])
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assert ranked == []
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