113 lines
3.6 KiB
Python
113 lines
3.6 KiB
Python
from pathlib import Path
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from types import SimpleNamespace
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from unittest.mock import patch
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import pytest
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from app.library.Subtitle import Subtitle, ms_to_timestamp
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class TestMsToTimestamp:
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def test_ms_to_timestamp_basic(self) -> None:
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assert ms_to_timestamp(0) == "0:00:00.00"
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assert ms_to_timestamp(9) == "0:00:00.00"
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assert ms_to_timestamp(10) == "0:00:00.01"
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assert ms_to_timestamp(12345) == "0:00:12.34"
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assert ms_to_timestamp(3600000 + 120000 + 3000) == "1:02:03.00", "1 hour, 2 minutes, 3 seconds"
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assert ms_to_timestamp(12 * 3600000 + 34 * 60000 + 56 * 1000 + 780) == "12:34:56.78", (
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"Over 10 hours (SubStation limit is < 10h, our override must exceed)"
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)
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assert ms_to_timestamp(37 * 3600000 + 12 * 60000 + 34 * 1000 + 560) == "37:12:34.56", (
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"Well over 36 hours to ensure no clamping at 9:59:59.99"
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)
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@pytest.mark.asyncio
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async def test_make_unsupported_extension(tmp_path: Path) -> None:
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srt = tmp_path / "sub.txt"
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srt.write_text("not a subtitle")
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sub = Subtitle()
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with pytest.raises(Exception, match="subtitle type is not supported"):
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await sub.make(srt)
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@pytest.mark.asyncio
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async def test_make_vtt_reads_file(tmp_path: Path) -> None:
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vtt = tmp_path / "file.vtt"
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content = "WEBVTT\n\n00:00:00.00 --> 00:00:01.00\nHello"
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vtt.write_text(content)
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sub = Subtitle()
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out = await sub.make(vtt)
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assert out == content
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class _DummySubs:
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def __init__(self, events):
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self.events = events
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self.snapshot = None
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def to_string(self, fmt: str) -> str: # noqa: ARG002
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# Record end times to verify pop behavior
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self.snapshot = [e.end for e in self.events]
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return "OUT"
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@pytest.mark.asyncio
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async def test_make_no_events_raises(tmp_path: Path) -> None:
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srt = tmp_path / "sub.srt"
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srt.write_text("dummy")
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with patch("app.library.Subtitle.pysubs2.load") as mock_load:
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mock_load.return_value = _DummySubs(events=[])
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sub = Subtitle()
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with pytest.raises(Exception, match="No subtitle events were found"):
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await sub.make(srt)
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@pytest.mark.asyncio
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async def test_make_single_event_returns_vtt(tmp_path: Path) -> None:
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srt = tmp_path / "sub.ass"
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srt.write_text("dummy")
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single = SimpleNamespace(end=1000)
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d = _DummySubs(events=[single])
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with patch("app.library.Subtitle.pysubs2.load", return_value=d):
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sub = Subtitle()
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out = await sub.make(srt)
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assert out == "OUT"
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assert d.snapshot == [1000], "Snapshot should contain the single event"
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@pytest.mark.asyncio
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async def test_make_two_events_pop_first_when_ends_equal(tmp_path: Path) -> None:
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srt = tmp_path / "sub.srt"
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srt.write_text("dummy")
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e1 = SimpleNamespace(end=5000)
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e2 = SimpleNamespace(end=5000)
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d = _DummySubs(events=[e1, e2])
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with patch("app.library.Subtitle.pysubs2.load", return_value=d):
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sub = Subtitle()
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out = await sub.make(srt)
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assert out == "OUT"
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assert d.snapshot == [5000], "Since ends are equal, first should be popped => only last remains"
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@pytest.mark.asyncio
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async def test_make_two_events_no_pop_when_different(tmp_path: Path) -> None:
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srt = tmp_path / "sub.srt"
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srt.write_text("dummy")
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e1 = SimpleNamespace(end=5000)
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e2 = SimpleNamespace(end=6000)
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d = _DummySubs(events=[e1, e2])
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with patch("app.library.Subtitle.pysubs2.load", return_value=d):
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sub = Subtitle()
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out = await sub.make(srt)
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assert out == "OUT"
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assert d.snapshot == [5000, 6000], "Both remain since ends differ"
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