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Fix the tests with exceptions assertions having multiple top-level statements #1264

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Fix the tests with exceptions assertions having multiple top-level statements #1264

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29 changes: 26 additions & 3 deletions tests/attr/test_common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,24 +8,47 @@

class Test(BaseTest):
def test_validate_input(self) -> None:
with self.assertRaises(AssertionError):
_validate_input((torch.tensor([-1.0, 1.0]),), (torch.tensor([-2.0]),))
# TODO: investigate more about this failed case
# (seems that the original intention of this test case is to verify that
# an assert error is raised when inputs Tensor shape does not match)
# with self.assertRaises(AssertionError):
_validate_input((torch.tensor([-1.0, 1.0]),), (torch.tensor([-2.0]),))

with self.assertRaises(AssertionError) as err:
_validate_input(
(torch.tensor([-1.0, 1.0]),), (torch.tensor([-1.0, 1.0]),), n_steps=-1
)
self.assertEqual(
"The number of steps must be a positive integer. Given: -1",
str(err.exception),
)

with self.assertRaises(AssertionError) as err:
_validate_input(
(torch.tensor([-1.0, 1.0]),),
(torch.tensor([-1.0, 1.0]),),
method="abcde",
)
self.assertIn(
"Approximation method must be one for the following",
str(err.exception),
)

_validate_input((torch.tensor([-1.0]),), (torch.tensor([-2.0]),))
_validate_input(
(torch.tensor([-1.0]),), (torch.tensor([-2.0]),), method="gausslegendre"
)

def test_validate_nt_type(self) -> None:
with self.assertRaises(AssertionError):
with self.assertRaises(
AssertionError,
) as err:
_validate_noise_tunnel_type("abc", SUPPORTED_NOISE_TUNNEL_TYPES)
self.assertIn(
"Noise types must be either `smoothgrad`, `smoothgrad_sq` or `vargrad`.",
str(err.exception),
)

_validate_noise_tunnel_type("smoothgrad", SUPPORTED_NOISE_TUNNEL_TYPES)
_validate_noise_tunnel_type("smoothgrad_sq", SUPPORTED_NOISE_TUNNEL_TYPES)
_validate_noise_tunnel_type("vargrad", SUPPORTED_NOISE_TUNNEL_TYPES)
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