AReaL/evaluation/latex2sympy/tests/grouping_test.py

84 lines
2.6 KiB
Python

import pytest
from latex2sympy.latex2sympy2 import latex2sympy as process_sympy
from sympy import Integer, Integral, Mul, Pow, Symbol, sin
from .context import _Add, _Mul, _Pow, assert_equal
a = Symbol("a", real=True)
b = Symbol("b", real=True)
x = Symbol("x", real=True)
theta = Symbol("theta", real=True)
func_arg_examples = [
("\\int ", "x dx", Integral(x, x)),
("\\sin", "\\theta ", sin(theta)),
]
example_groups = [("1+2", "3-4", _Mul(_Add(1, 2), _Add(3, _Mul(-1, 4))))]
modifiable_delimiter_pairs = {
"(": ")",
"\\lgroup": "\\rgroup",
"\\{": "\\}",
"\\lbrace": "\\rbrace",
"[": "]",
"\\lbrack": "\\rbrack",
}
@pytest.mark.parametrize("func, args, output", func_arg_examples)
def test_func_arg_groupings(func, args, output):
# none
assert_equal("{func} {args}".format(func=func, args=args), output)
# normal brace (not modifiable)
assert_equal("{func}{{{args}}}".format(func=func, args=args), output)
# rest of delimiters, with modifications
for left, right in modifiable_delimiter_pairs.items():
assert_equal(
"{func}{left}{args}{right}".format(
left=left, right=right, func=func, args=args
),
output,
)
assert_equal(
"{func}\\left{left}{args}\\right{right}".format(
left=left, right=right, func=func, args=args
),
output,
)
assert_equal(
"{func}\\mleft{left}{args}\\mright{right}".format(
left=left, right=right, func=func, args=args
),
output,
)
@pytest.mark.parametrize("group1, group2, output", example_groups)
def test_delimiter_groupings(group1, group2, output):
# normal brace (not modifiable)
assert_equal(
"{{{group1}}}{{{group2}}}".format(group1=group1, group2=group2), output
)
# rest of delimiters, with modifications
for left, right in modifiable_delimiter_pairs.items():
assert_equal(
"{left}{group1}{right}{left}{group2}{right}".format(
left=left, right=right, group1=group1, group2=group2
),
output,
)
assert_equal(
"\\left{left}{group1}\\right{right}\\left{left}{group2}\\right{right}".format(
left=left, right=right, group1=group1, group2=group2
),
output,
)
assert_equal(
"\\mleft{left}{group1}\\mright{right}\\mleft{left}{group2}\\mright{right}".format(
left=left, right=right, group1=group1, group2=group2
),
output,
)