Files
ziffers-python/tests/test_parser.py

55 lines
1.3 KiB
Python

""" Test cases for the parser """
import pytest
from ziffers import parse_expression
def test_can_parse():
expressions = [
"[1 [2 3]]",
"(1 (1,3) 1..3)",
"_^ q _qe^3 qww_4 _123 <1 2>",
"q _2 _ 3 ^ 343",
"2 qe2 e4",
"q 2 <3 343>",
"q (2 <3 343 (3 4)>)",
]
results = []
for expression in expressions:
try:
print(f"Parsing expression: {expression}")
result = parse_expression(expression)
results.append(True)
except Exception as e:
print(e)
results.append(False)
# Return true if all the results are true (succesfully parsed)
print(results)
assert all(results)
@pytest.mark.parametrize(
"pattern",
[
"1 2 3",
"q3 e4 s5",
],
)
def test_parsing_text(pattern: str):
assert parse_expression(pattern).text == pattern
@pytest.mark.parametrize(
"pattern,expected",
[
("1 2 3", [1, 2, 3]),
("q2 eq3", [2, 3]),
],
)
def test_pitch_classes(pattern: str, expected: list):
assert parse_expression(pattern).pitch_classes() == expected
# TODO: Add tests for octaves
# ("__6 _0 _1 _2 _3 _4 _5 _6 0 1 2 3 4 5 6 ^0 ^1 ^2 ^3 ^4 ^5 ^6 ^^0", [-2, -1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2]),
# ("_ 1 _2 <3>3 ^^4", [-1,-2,3,-1]),