mirror of
https://github.com/denizsafak/abogen.git
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129 lines
4.1 KiB
Python
129 lines
4.1 KiB
Python
"""Tests for audio helper utilities.
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Tests import from domain/audio_helpers.py (new module).
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"""
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from __future__ import annotations
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from pathlib import Path
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from unittest.mock import MagicMock, patch
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import numpy as np
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import pytest
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# ---------------------------------------------------------------------------
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# build_ffmpeg_command
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# ---------------------------------------------------------------------------
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class TestBuildFfmpegCommand:
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"""build_ffmpeg_command builds ffmpeg argument list."""
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def test_base_structure(self):
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from abogen.domain.audio_helpers import build_ffmpeg_command
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cmd = build_ffmpeg_command(Path("/out/audio.wav"), "wav")
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assert cmd[0] == "ffmpeg"
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assert "-y" in cmd
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assert "pipe:0" in cmd
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assert str(Path("/out/audio.wav")) in cmd
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def test_mp3_codec(self):
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from abogen.domain.audio_helpers import build_ffmpeg_command
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cmd = build_ffmpeg_command(Path("/out.mp3"), "mp3")
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assert "libmp3lame" in cmd
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def test_opus_codec(self):
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from abogen.domain.audio_helpers import build_ffmpeg_command
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cmd = build_ffmpeg_command(Path("/out.opus"), "opus")
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assert "libopus" in cmd
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def test_m4b_codec(self):
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from abogen.domain.audio_helpers import build_ffmpeg_command
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cmd = build_ffmpeg_command(Path("/out.m4b"), "m4b")
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assert "aac" in cmd
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assert "-q:a" in cmd
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assert "+faststart+use_metadata_tags" in cmd
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def test_wav_copy_codec(self):
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from abogen.domain.audio_helpers import build_ffmpeg_command
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cmd = build_ffmpeg_command(Path("/out.wav"), "wav")
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assert "copy" in cmd
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def test_with_metadata(self):
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from abogen.domain.audio_helpers import build_ffmpeg_command
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cmd = build_ffmpeg_command(Path("/out.mp3"), "mp3", metadata={"album": "Test"})
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assert str(Path("/out.mp3")) in cmd
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# ---------------------------------------------------------------------------
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# to_float32
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# ---------------------------------------------------------------------------
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class TestToFloat32:
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"""to_float32 converts audio to float32 numpy array."""
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def test_none_returns_empty(self):
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from abogen.domain.audio_helpers import to_float32
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result = to_float32(None)
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assert isinstance(result, np.ndarray)
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assert result.dtype == np.float32
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assert len(result) == 0
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def test_numpy_array(self):
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from abogen.domain.audio_helpers import to_float32
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arr = np.array([1.0, 2.0, 3.0], dtype="float64")
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result = to_float32(arr)
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assert result.dtype == np.float32
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assert len(result) == 3
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def test_mock_tensor(self):
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from abogen.domain.audio_helpers import to_float32
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tensor = MagicMock()
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tensor.detach.return_value = tensor
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tensor.cpu.return_value = tensor
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tensor.numpy.return_value = np.array([1.0, 2.0])
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result = to_float32(tensor)
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assert result.dtype == np.float32
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assert len(result) == 2
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def test_list_input(self):
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from abogen.domain.audio_helpers import to_float32
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result = to_float32([1.0, 2.0])
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assert result.dtype == np.float32
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assert len(result) == 2
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# ---------------------------------------------------------------------------
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# apply_m4b_chapters_with_mutagen
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# ---------------------------------------------------------------------------
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class TestApplyM4bChaptersWithMutagen:
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"""apply_m4b_chapters_with_mutagen writes chapter atoms to MP4."""
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def test_empty_chapters_returns_false(self):
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from abogen.domain.audio_helpers import apply_m4b_chapters_with_mutagen
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assert apply_m4b_chapters_with_mutagen(Path("/fake.m4b"), []) is False
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def test_missing_mutagen_raises(self):
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from abogen.domain.audio_helpers import apply_m4b_chapters_with_mutagen
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with patch.dict("sys.modules", {"mutagen": None, "mutagen.mp4": None}):
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with pytest.raises((ImportError, KeyError)):
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apply_m4b_chapters_with_mutagen(
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Path("/fake.m4b"), [{"start": 0, "title": "Ch1"}]
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)
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