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"""Detailed parser/semantic tests for ppmck and pyxel modes."""
from mml_composemusic_mcp.ir import (
DutyEvent,
EnvelopeEvent,
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
from mml_composemusic_mcp.semantic_ppmck import analyze_ppmck
from mml_composemusic_mcp.semantic_pyxel import analyze_pyxel
def _analyze_ppmck(source: str):
tokens = tokenize(source, "ppmck")
program, errors = parse_ppmck(source, tokens)
if any(e.severity == "error" for e in errors):
return None, errors
return analyze_ppmck(source, program)
def _analyze_pyxel(source: str):
tokens = tokenize(source, "pyxel")
program, errors = parse_pyxel(source, tokens)
if any(e.severity == "error" for e in errors):
return None, errors
return analyze_pyxel(source, program)
# --- Channel assignment ---
def test_ppmck_channel_assignment():
source = "A t120 l4 o4\n c\nB o4\n d\nT o3\n e\nN v10\n r"
ns, errors = _analyze_ppmck(source)
assert not any(e.severity == "error" for e in errors)
assert ns.channels["Pulse1"].events
assert ns.channels["Pulse2"].events
assert ns.channels["Triangle"].events
assert ns.channels["Noise"].events
def test_pyxel_channel_assignment():
source = "0: T120 L4 O4\n C\n1: O4\n D\n2: O3\n E\n3: V80\n R"
ns, errors = _analyze_pyxel(source)
assert not any(e.severity == "error" for e in errors)
assert ns.channels["Pulse1"].events
assert ns.channels["Pulse2"].events
assert ns.channels["Triangle"].events
assert ns.channels["Noise"].events
# --- Duty ---
def test_ppmck_duty_q():
source = "A t120 l4 o4 q3\n c"
ns, errors = _analyze_ppmck(source)
duties = [e for e in ns.channels["Pulse1"].events if isinstance(e, DutyEvent)]
assert duties and duties[0].value == 3
def test_pyxel_at_duty():
source = "0: T120 L4 O4 @1\n C"
ns, errors = _analyze_pyxel(source)
duties = [e for e in ns.channels["Pulse1"].events if isinstance(e, DutyEvent)]
assert duties and duties[0].value == 2 # @1 maps to duty 2 (50%)
def test_pyxel_at2_duty():
source = "0: T120 L4 O4 @2\n C"
ns, errors = _analyze_pyxel(source)
duties = [e for e in ns.channels["Pulse1"].events if isinstance(e, DutyEvent)]
assert duties and duties[0].value == 1 # @2 maps to duty 1 (25%)
# --- Volume normalization ---
def test_pyxel_volume_normalization():
source = "0: T120 L4 O4 V100\n C"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes
# V100 -> round(100/127*15) = 12
assert notes[0].velocity == 12
def test_pyxel_volume_zero():
source = "0: T120 L4 O4 V0\n C"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes and notes[0].velocity == 0
def test_pyxel_volume_max():
source = "0: T120 L4 O4 V127\n C"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes and notes[0].velocity == 15
# --- Gate time ---
def test_pyxel_gate_time():
source = "0: T120 L4 O4 Q50\n C"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes and notes[0].gate_time == 0.5
# --- Transpose ---
def test_pyxel_transpose():
source = "0: T120 L4 O4 K2\n C"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
# C4=60, transpose+2 -> 62
assert notes and notes[0].note_number == 62
# --- Detune ---
def test_pyxel_detune():
source = "0: T120 L4 O4 Y10\n C"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes and notes[0].detune_cents == 10.0
# --- Repeat ---
def test_pyxel_repeat_expansion():
source = "0: T120 L4 O4\n[ C D ]2"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert len(notes) == 4
def test_pyxel_repeat_count3():
source = "0: T120 L4 O4\n[ C D ]3"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert len(notes) == 6
def test_pyxel_nested_repeat():
source = "0: T120 L4 O4\n[ [ C D ]2 E ]2"
ns, errors = _analyze_pyxel(source)
assert not any(e.severity == "error" for e in errors)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
# Inner: [C D]2 -> C D C D (4 notes)
# Outer: [ ... E ]2 -> (C D C D E) * 2 = 10 notes
assert len(notes) == 10
def test_pyxel_nested_repeat_count3():
source = "0: T120 L4 O4\n[ [ C D ]2 E ]3"
ns, errors = _analyze_pyxel(source)
assert not any(e.severity == "error" for e in errors)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
# Inner: [C D]2 -> C D C D (4 notes)
# Outer: [ ... E ]3 -> (C D C D E) * 3 = 15 notes
assert len(notes) == 15
# --- Tie ---
def test_ppmck_tie_note():
source = "A t120 l4 o4\n c4 & c4"
ns, errors = _analyze_ppmck(source)
# Tie should merge notes; check no error
assert not any(e.severity == "error" for e in errors)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
# c4 & c4 should produce a single note with doubled duration (192*2=384)
assert len(notes) == 1
assert notes[0].duration == 384
def test_pyxel_tie_note():
source = "0: T120 L4 O4\n C4 & C4"
ns, errors = _analyze_pyxel(source)
assert not any(e.severity == "error" for e in errors)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
# C4 & C4 should produce a single note with doubled duration (192*2=384)
assert len(notes) == 1
assert notes[0].duration == 384
def test_pyxel_tie_length():
source = "0: T120 L4 O4\n C4 & 4"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
# & 4 extends last note by l4 ticks
assert notes and notes[0].duration > 192 # 192 + 48 = 240
# --- Octave up/down ---
def test_ppmck_octave_up():
source = "A t120 l4 o4\n c > d"
ns, errors = _analyze_ppmck(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes[0].note_number == 60 # o4 c
assert notes[1].note_number == 74 # o5 d
def test_pyxel_octave_down():
source = "0: T120 L4 O4\n C < D"
ns, errors = _analyze_pyxel(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
assert notes[0].note_number == 60 # O4 C
assert notes[1].note_number == 50 # O3 D
# --- Length with dots ---
def test_ppmck_dotted_note():
source = "A t120 l4 o4\n c."
ns, errors = _analyze_ppmck(source)
notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
# l4 = 192 ticks, dotted = 192 + 96 = 288
assert notes and notes[0].duration == 288
# --- Triangle volume ignored in ppmck ---
def test_ppmck_triangle_volume_ignored():
source = "T t120 l4 o3 v7\n c"
ns, errors = _analyze_ppmck(source)
notes = [e for e in ns.channels["Triangle"].events if isinstance(e, NoteEvent)]
assert notes and notes[0].velocity == 15 # default, v ignored
# --- @ENV/@VIB/@GLI ---
def test_pyxel_env_event():
source = "0: T120 L4 O4\n@ENV1 100 10\n C"
ns, errors = _analyze_pyxel(source)
envs = [e for e in ns.channels["Pulse1"].events if isinstance(e, EnvelopeEvent)]
assert envs and envs[0].slot == 1
def test_pyxel_vib_event():
source = "0: T120 L4 O4\n@VIB1 10 20 5\n C"
ns, errors = _analyze_pyxel(source)
from mml_composemusic_mcp.ir import VibratoEvent
vibs = [e for e in ns.channels["Pulse1"].events if isinstance(e, VibratoEvent)]
assert vibs and vibs[0].slot == 1
def test_pyxel_gli_event():
source = "0: T120 L4 O4\n@GLI1 100 50\n C"
ns, errors = _analyze_pyxel(source)
from mml_composemusic_mcp.ir import GlideEvent
glis = [e for e in ns.channels["Pulse1"].events if isinstance(e, GlideEvent)]
assert glis and glis[0].slot == 1
# --- Noise channel ---
def test_ppmck_noise_ignores_pitch():
source = "N t120 l4 v10\n c r"
ns, errors = _analyze_ppmck(source)
notes = [e for e in ns.channels["Noise"].events if isinstance(e, NoteEvent)]
assert notes # NoteEvent is created but with midi=0
assert notes[0].note_number == 0 # pitch ignored
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