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"""Tests for the MML lexer."""
from mml_composemusic_mcp.lexer import TokenType, tokenize
def test_ppmck_tokens():
source = "A t150 l8 o4 v15 q2\nc d e f"
tokens = tokenize(source, "ppmck")
types = [t.type for t in tokens]
assert TokenType.TRACK_HEADER in types
assert TokenType.TEMPO in types
assert TokenType.NOTE in types
def test_pyxel_tokens():
source = "0: T150 L8 O4 V100 @1\nC D E F"
tokens = tokenize(source, "pyxel")
types = [t.type for t in tokens]
assert TokenType.TRACK_HEADER in types
assert TokenType.AT in types
assert TokenType.NOTE in types
def test_pyxel_repeat():
tokens = tokenize("[ C D ]2", "pyxel")
assert any(t.type == TokenType.REPEAT_START for t in tokens)
assert any(t.type == TokenType.REPEAT_END for t in tokens)
def test_ppmck_invalid_token():
tokens = tokenize("A t120 l4 o4 x c", "ppmck")
assert any(t.type == TokenType.INVALID for t in tokens)
def test_pyxel_invalid_token():
tokens = tokenize("0: T120 L4 O4 X C", "pyxel")
assert any(t.type == TokenType.INVALID for t in tokens)
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