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github-actions[bot] 54e6124925 sunnypilot v2026.05.07-4485
version: sunnypilot v2026.001.000 (dev)
date: 2026-05-07T23:07:19
master commit: c28eb958740187620f2282023b8f1997cf90f583
2026-05-07 23:07:19 +00:00

88 lines
2.9 KiB
Python

from __future__ import annotations
import unittest
from math import prod
from hypothesis import assume, given, settings, strategies as st
from hypothesis.extra import numpy as stn
import numpy as np
import torch
from tinygrad import Tensor
from tinygrad.helpers import getenv
settings.register_profile(__file__, settings.default,
max_examples=100, deadline=None, derandomize=getenv("DERANDOMIZE_CI", False))
# torch wraparound for large numbers
st_int32 = st.integers(-2147483648, 2147483647)
@st.composite
def st_shape(draw) -> tuple[int, ...]:
s = draw(stn.array_shapes(min_dims=0, max_dims=6,
min_side=0, max_side=128))
assume(prod(s) <= 1024 ** 2)
assume(prod([d for d in s if d]) <= 1024 ** 4)
return s
def tensors_for_shape(s:tuple[int, ...]) -> tuple[torch.tensor, Tensor]:
x = np.arange(prod(s)).reshape(s)
return torch.from_numpy(x), Tensor(x)
def apply(tor, ten, tor_fn, ten_fn=None):
ok = True
try: tor = tor_fn(tor)
except: tor, ok = None, not ok # noqa: E722
try: ten = ten_fn(ten) if ten_fn is not None else tor_fn(ten)
except: ten, ok = None, not ok # noqa: E722
return tor, ten, ok
class TestShapeOps(unittest.TestCase):
@settings.get_profile(__file__)
@given(st_shape(), st_int32, st.one_of(st_int32, st.lists(st_int32)))
def test_split(self, s:tuple[int, ...], dim:int, sizes:int|list[int]):
tor, ten = tensors_for_shape(s)
tor, ten, ok = apply(tor, ten, lambda t: t.split(sizes, dim))
assert ok
if tor is None and ten is None: return
assert len(tor) == len(ten)
assert all([np.array_equal(tor.numpy(), ten.numpy()) for (tor, ten) in zip(tor, ten)])
@settings.get_profile(__file__)
@given(st_shape(), st_int32, st_int32)
def test_chunk(self, s:tuple[int, ...], dim:int, num:int):
# chunking on a 0 dim is cloning and leads to OOM if done unbounded.
assume((0 <= (actual_dim := len(s)-dim if dim < 0 else dim) < len(s) and s[actual_dim] > 0) or
(num < 16))
tor, ten = tensors_for_shape(s)
tor, ten, ok = apply(tor, ten, lambda t: t.chunk(num, dim))
assert ok
if tor is None and ten is None: return
assert len(tor) == len(ten)
assert all([np.array_equal(tor.numpy(), ten.numpy()) for (tor, ten) in zip(tor, ten)])
@settings.get_profile(__file__)
@given(st_shape(), st_int32)
def test_squeeze(self, s:tuple[int, ...], dim:int):
tor, ten = tensors_for_shape(s)
tor, ten, ok = apply(tor, ten, lambda t: t.squeeze(dim))
assert ok
if tor is None and ten is None: return
assert np.array_equal(tor.numpy(), ten.numpy())
@settings.get_profile(__file__)
@given(st_shape(), st_int32)
def test_unsqueeze(self, s:tuple[int, ...], dim:int):
tor, ten = tensors_for_shape(s)
tor, ten, ok = apply(tor, ten, lambda t: t.unsqueeze(dim))
assert ok
if tor is None and ten is None: return
assert np.array_equal(tor.numpy(), ten.numpy())
if __name__ == '__main__':
unittest.main()