def test_collect_abs():
s = abs(x) + abs(y)
assert collect_abs(s) == s
assert unchanged(Mul, abs(x), abs(y))
ans = Abs(x * y)
assert isinstance(ans, Abs)
assert collect_abs(abs(x) * abs(y)) == ans
assert collect_abs(1 + exp(abs(x) * abs(y))) == 1 + exp(ans)
def test_collect_abs():
s = abs(x) + abs(y)
assert collect_abs(s) == s
assert unchanged(Mul, abs(x), abs(y))
ans = Abs(x * y)
assert isinstance(ans, Abs)
assert collect_abs(abs(x) * abs(y)) == ans
assert collect_abs(1 + exp(abs(x) * abs(y))) == 1 + exp(ans)
# See https://github.com/sympy/sympy/issues/12910
p = Symbol('p', positive=True)
assert collect_abs(p / abs(1 - p)).is_commutative is True