carrot/tinygrad_repo/test/unit/test_tensor_io.py
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Python

import unittest
from tinygrad import Tensor, dtypes
from tinygrad.nn.state import TensorIO
class TestTensorIO(unittest.TestCase):
def test_create(self):
with self.assertRaises(ValueError):
TensorIO(Tensor(b"Hello World").reshape(1, -1))
with self.assertRaises(ValueError):
TensorIO(Tensor([], dtype=dtypes.int64).reshape(1, -1))
def test_seek(self):
t = Tensor(b"Hello World!")
fobj = TensorIO(t)
self.assertEqual(fobj.tell(), 0)
self.assertEqual(fobj.seek(1), 1)
self.assertEqual(fobj.seek(-2, 2), len(t) - 2)
self.assertEqual(fobj.seek(1, 1), len(t) - 1)
self.assertEqual(fobj.seek(10, 1), len(t))
self.assertEqual(fobj.seek(10, 2), len(t))
self.assertEqual(fobj.seek(-10, 0), 0)
def test_read(self):
data = b"Hello World!"
fobj = TensorIO(Tensor(data))
self.assertEqual(fobj.read(1), data[:1])
self.assertEqual(fobj.read(5), data[1:6])
self.assertEqual(fobj.read(100), data[6:])
self.assertEqual(fobj.read(100), b"")
def test_read_nolen(self):
data = b"Hello World!"
fobj = TensorIO(Tensor(data))
fobj.seek(2)
self.assertEqual(fobj.read(), data[2:])
if __name__ == '__main__':
unittest.main()