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"""Tests for PPMCK and Pyxel parsers."""
from mml_composemusic_mcp.ir import NoteEvent
from mml_composemusic_mcp.lexer import tokenize
from mml_composemusic_mcp.parser_ppmck import parse_ppmck
from mml_composemusic_mcp.parser_pyxel import parse_pyxel
PPMCK_EXAMPLE = """#TITLE "Test"
A t150 l8 o4 v15 q2
c d e f
B o3
c e g
"""
PYXEL_EXAMPLE = """0: T150 L8 O4 V100 @1
C D E F
1: O3
C E G
"""
def test_ppmck_parse():
tokens = tokenize(PPMCK_EXAMPLE, "ppmck")
ns, errors = parse_ppmck(PPMCK_EXAMPLE, tokens)
assert not any(e.severity == "error" for e in errors)
assert ns.channels["Pulse1"].events
assert ns.channels["Pulse2"].events
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes[0].note_number == 60 # C4
def test_pyxel_parse():
tokens = tokenize(PYXEL_EXAMPLE, "pyxel")
ns, errors = parse_pyxel(PYXEL_EXAMPLE, tokens)
assert not any(e.severity == "error" for e in errors)
assert ns.channels["Pulse1"].events
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes[0].note_number == 60 # C4
def test_pyxel_repeat_expansion():
source = "0: T120 L4 O4\n[ C D ]2"
tokens = tokenize(source, "pyxel")
ns, errors = parse_pyxel(source, tokens)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert len(notes) == 4
def test_invalid_mode_error():
from mml_composemusic_mcp.server import _parse_mml
seq, errors = _parse_mml("A c", "unknown")
assert any(e.severity == "error" for e in errors)
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