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import pytest
from pathlib import Path
from unittest.mock import patch
from webapp.services.parsing.mei_parser import parse_mei_for_editor
@patch("webapp.services.parsing.mei_parser._parse_mei_raw")
def test_parse_mei_for_editor_basic(mock_parse_mei_raw):
# Arrange: mock what _parse_mei_raw would return
mock_parse_mei_raw.return_value = {
"notes": ["C4", "D4", "E4"],
"durations": [1.0, 0.5, 0.75],
"lyrics": "do re mi"
}
dummy_path = Path("/fake/path/to/file.mei")
tempo = 120
# Act
result = parse_mei_for_editor(dummy_path, tempo)
# Assert
expected = [
{"id": "note_0", "pitch": "C4", "duration": 1.0, "lyric": "do"},
{"id": "note_1", "pitch": "D4", "duration": 0.5, "lyric": "re"},
{"id": "note_2", "pitch": "E4", "duration": 0.75, "lyric": "mi"},
]
assert result == expected
def test_parse_mei_for_editor_empty(monkeypatch):
# Arrange: _parse_mei_raw returns empty
def mock_parse_mei_raw(mei_path, tempo):
return {"notes": [], "durations": [], "lyrics": ""}
monkeypatch.setattr("webapp.services.parsing.mei_parser._parse_mei_raw", mock_parse_mei_raw)
dummy_path = Path("/fake/path/to/empty.mei")
tempo = 120
# Act
result = parse_mei_for_editor(dummy_path, tempo)
# Assert
assert result == []
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