81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
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import os
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import shutil
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import subprocess
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import sys
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import pytest
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# Ensure the project root is on sys.path when running tests.
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ROOT = os.path.dirname(os.path.dirname(__file__))
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if ROOT not in sys.path:
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sys.path.insert(0, ROOT)
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@pytest.fixture(scope="session", autouse=True)
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def require_ffmpeg():
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"""The tests exercise real encodes; there is little point faking them."""
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for tool in ("ffmpeg", "ffprobe"):
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if shutil.which(tool) is None:
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pytest.skip(f"{tool} is not on PATH", allow_module_level=True)
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@pytest.fixture
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def make_flac():
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"""Return a factory writing a short tagged FLAC file."""
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def factory(path, title="Test Title", artist="Test Artist", album="Test Album", seconds=1):
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path.parent.mkdir(parents=True, exist_ok=True)
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subprocess.run(
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[
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"ffmpeg",
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"-nostdin",
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"-hide_banner",
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"-loglevel",
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"error",
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"-y",
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"-f",
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"lavfi",
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"-i",
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f"sine=frequency=440:duration={seconds}",
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"-metadata",
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f"title={title}",
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"-metadata",
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f"artist={artist}",
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"-metadata",
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f"album={album}",
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"-metadata",
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"track=3",
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str(path),
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],
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check=True,
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capture_output=True,
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)
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return path
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return factory
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@pytest.fixture
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def probe_tag():
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"""Return a helper reading a single metadata tag from a file."""
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def reader(path, tag):
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completed = subprocess.run(
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[
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"ffprobe",
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"-v",
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"error",
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"-show_entries",
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f"format_tags={tag}",
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"-of",
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"default=noprint_wrappers=1:nokey=1",
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str(path),
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],
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check=True,
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capture_output=True,
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text=True,
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)
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return completed.stdout.strip()
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return reader
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