61 lines
2 KiB
Python
61 lines
2 KiB
Python
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"""
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Test my automatically generate exceptions
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"""
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from joblib.my_exceptions import (
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JoblibException, JoblibNameError, _mk_exception)
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class CustomException(Exception):
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def __init__(self, a, b, c, d):
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self.a, self.b, self.c, self.d = a, b, c, d
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class CustomException2(Exception):
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"""A custom exception with a .args attribute
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Just to check that the JoblibException created from it
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has it args set correctly
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"""
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def __init__(self, a, *args):
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self.a = a
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self.args = args
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def test_inheritance():
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assert isinstance(JoblibNameError(), NameError)
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assert isinstance(JoblibNameError(), JoblibException)
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assert (JoblibNameError is _mk_exception(NameError)[0])
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def test_inheritance_special_cases():
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# _mk_exception should transform Exception to JoblibException
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assert (_mk_exception(Exception)[0] is JoblibException)
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# Subclasses of JoblibException should be mapped to
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# them-selves by _mk_exception
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assert (_mk_exception(JoblibException)[0] is JoblibException)
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# Non-inheritable exception classes should be mapped to
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# JoblibException by _mk_exception. That can happen with classes
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# generated with SWIG. See
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# https://github.com/joblib/joblib/issues/269 for a concrete
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# example.
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non_inheritable_classes = [type(lambda: None), bool]
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for exception in non_inheritable_classes:
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assert (_mk_exception(exception)[0] is JoblibException)
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def test__mk_exception():
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# Check that _mk_exception works on a bunch of different exceptions
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for klass in (Exception, TypeError, SyntaxError, ValueError,
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ImportError, CustomException, CustomException2):
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message = 'This message should be in the exception repr'
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exc = _mk_exception(klass)[0](
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message, 'some', 'other', 'args', 'that are not', 'in the repr')
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exc_repr = repr(exc)
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assert isinstance(exc, klass)
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assert isinstance(exc, JoblibException)
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assert exc.__class__.__name__ in exc_repr
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assert message in exc_repr
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