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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
def test_all_templates_exist():
for mode in ("ppmck", "pyxel"):
for name in ("basic", "melody", "chord", "drum", "empty"):
assert mode in TEMPLATES
assert name in TEMPLATES[mode]
assert TEMPLATES[mode][name]
def test_all_descriptions_exist():
for name in ("basic", "melody", "chord", "drum", "empty"):
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", ["basic", "melody", "chord", "drum", "empty"])
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"]
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