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"""Tests for MML template generation."""
import pytest
from mml_composemusic_mcp.server import compose_mml
from mml_composemusic_mcp.templates import DESCRIPTIONS, TEMPLATES, get_template
TEMPLATE_NAMES = (
"basic",
"melody",
"chord",
"drum",
"empty",
"expressive_lead",
"vibrato_lead",
"pitch_motion",
)
def test_all_templates_exist():
for mode in ("ppmck", "pyxel"):
for name in TEMPLATE_NAMES:
assert mode in TEMPLATES
assert name in TEMPLATES[mode]
assert TEMPLATES[mode][name]
def test_all_descriptions_exist():
for name in TEMPLATE_NAMES:
assert name in DESCRIPTIONS
assert DESCRIPTIONS[name]
def test_get_template_basic():
mml, desc = get_template("ppmck", "basic")
assert mml
assert desc == "基本的な4ch構成（メロディ+和音+ベース+リズム）"
def test_get_template_melody():
mml, desc = get_template("pyxel", "melody")
assert mml
assert desc == "メロディ重視（Pulse1主旋律、他は伴奏最小限）"
def test_get_template_chord():
mml, desc = get_template("ppmck", "chord")
assert mml
assert desc == "コード伴奏重視（Pulse2で和音、Triangleでベース）"
def test_get_template_drum():
mml, desc = get_template("pyxel", "drum")
assert mml
assert desc == "リズム重視（Noise中心のビートパターン）"
def test_get_template_empty():
mml, desc = get_template("ppmck", "empty")
assert mml
assert desc == "各チャンネルのヘッダーのみ（空のテンプレート）"
@pytest.mark.parametrize("mode", ["ppmck", "pyxel"])
@pytest.mark.parametrize("template", TEMPLATE_NAMES)
def test_template_validates(mode, template):
mml, _ = get_template(mode, template)
result = compose_mml(action="validate", mml=mml, mode=mode)
assert result["valid"] is True, f"{mode}/{template} invalid: {result['errors']}"
def test_template_ppmck_has_headers():
mml, _ = get_template("ppmck", "basic")
assert "#TITLE" in mml
def test_template_pyxel_has_track_headers():
mml, _ = get_template("pyxel", "basic")
assert "0:" in mml
assert "1:" in mml
assert "2:" in mml
assert "3:" in mml
def test_template_empty_has_rests():
mml, _ = get_template("ppmck", "empty")
# Even empty template should have rests (not truly empty)
assert "r" in mml.lower()
def test_template_invalid_name_falls_back():
result = compose_mml(action="template", mode="ppmck", template="nonexistent")
assert result["mml"]
assert result["description"]
@pytest.mark.parametrize(
("mode", "template", "event_types"),
[
("ppmck", "expressive_lead", {"vol_envelope", "duty_envelope", "rel_volume"}),
("pyxel", "expressive_lead", {"envelope"}),
("ppmck", "vibrato_lead", {"lfo", "pitch_envelope", "detune"}),
("pyxel", "vibrato_lead", {"vibrato"}),
("ppmck", "pitch_motion", {"note_envelope", "sweep"}),
("pyxel", "pitch_motion", {"glide"}),
],
)
def test_synthesis_templates_contain_expected_events(mode, template, event_types):
mml, _ = get_template(mode, template)
result = compose_mml(action="validate", mml=mml, mode=mode)
actual_types = {
event["type"]
for channel in result["note_sequence"]["channels"].values()
for event in channel["events"]
}
assert event_types <= actual_types
def test_pyxel_vibrato_template_applies_detune_to_notes():
mml, _ = get_template("pyxel", "vibrato_lead")
result = compose_mml(action="validate", mml=mml, mode="pyxel")
notes = [
event
for channel in result["note_sequence"]["channels"].values()
for event in channel["events"]
if event["type"] == "note"
]
assert any(note["detune_cents"] != 0 for note in notes)
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