def test_fails_when_no_exception_is_raised(self):
with assert_raises_assertion(
"Expected code to raise <class 'tests.ExpectedError'>"):
with expect.raises(ExpectedError):
pass
def test_allows_unexpected_exception_to_bubble_up(self):
with assert_raises(ActualError, 'Unexpected exception should bubble up'):
with expect.raises(ExpectedError):
raise ActualError('Unexpected exception should bubble up')
def test_passes_for_expected_exception(self):
with expect.raises(ExpectedError):
raise ExpectedError