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			| 2bb0b78 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | """
Unit tests for the monkey patch for expand mask to handle packed sequences
"""
import unittest
import torch
from axolotl.monkeypatch.llama_expand_mask import _expand_mask
class TestExpandMask(unittest.TestCase):
    """
    Test class for attention mask expansion for packed sequences
    """
    def test_output(self):
        mask = torch.tensor([[1, 1, 1, 2], [2, 3, 3, 0]])
        dtype = torch.float32
        expected_output = torch.tensor(
            [
                [
                    [
                        [0.0000e00, -3.4028e38, -3.4028e38, -3.4028e38],
                        [0.0000e00, 0.0000e00, -3.4028e38, -3.4028e38],
                        [0.0000e00, 0.0000e00, 0.0000e00, -3.4028e38],
                        [-3.4028e38, -3.4028e38, -3.4028e38, 0.0000e00],
                    ]
                ],
                [
                    [
                        [0.0000e00, -3.4028e38, -3.4028e38, -3.4028e38],
                        [-3.4028e38, 0.0000e00, -3.4028e38, -3.4028e38],
                        [-3.4028e38, 0.0000e00, 0.0000e00, -3.4028e38],
                        [-3.4028e38, -3.4028e38, -3.4028e38, -3.4028e38],
                    ]
                ],
            ]
        )
        # Check that the output matches the expected output
        self.assertTrue(torch.allclose(_expand_mask(mask, dtype), expected_output))
if __name__ == "__main__":
    unittest.main()
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