def test_guess_chunks():
shapes = (
(100, ),
(100, 100),
(1000000, ),
(1000000000, ),
(10000000000000000000000, ),
(10000, 10000),
(10000000, 1000),
(1000, 10000000),
(10000000, 1000, 2),
(1000, 10000000, 2),
(10000, 10000, 10000),
(100000, 100000, 100000),
(1000000000, 1000000000, 1000000000),
(0, ),
(0, 0),
(10, 0),
(0, 10),
(1, 2, 0, 4, 5),
)
for shape in shapes:
chunks = guess_chunks(shape, 1)
assert_is_instance(chunks, tuple)
eq(len(chunks), len(shape))
# doesn't make any sense to allow chunks to have zero length dimension
assert all([0 < c <= max(s, 1) for c, s in zip(chunks, shape)])
# ludicrous itemsize
chunks = guess_chunks((1000000, ), 40000000000)
assert_is_instance(chunks, tuple)
eq((1, ), chunks)
def test_guess_chunks():
shapes = (
(100, ),
(100, 100),
(1000000, ),
(10000, 10000),
(10000000, 1000),
(1000, 10000000),
(10000000, 1000, 2),
(1000, 10000000, 2),
(10000, 10000, 10000),
(100000, 100000, 100000),
)
for shape in shapes:
chunks = guess_chunks(shape, 1)
assert_is_instance(chunks, tuple)
eq(len(chunks), len(shape))
assert all([c <= s for c, s in zip(chunks, shape)])
# ludicrous itemsize
chunks = guess_chunks((1000000, ), 40000000)
assert_is_instance(chunks, tuple)
eq((1, ), chunks)
def test_guess_chunks():
shapes = (
(100,),
(100, 100),
(1000000,),
(10000, 10000),
(10000000, 1000),
(1000, 10000000),
(10000000, 1000, 2),
(1000, 10000000, 2),
(10000, 10000, 10000),
(100000, 100000, 100000),
)
for shape in shapes:
chunks = guess_chunks(shape, 1)
assert_is_instance(chunks, tuple)
eq(len(chunks), len(shape))
assert all([c <= s for c, s in zip(chunks, shape)])
# ludicrous itemsize
chunks = guess_chunks((1000000,), 40000000)
assert_is_instance(chunks, tuple)
eq((1,), chunks)