error handling

error-session.py

import utils.error as error

# when we expect an error but don't get one, we get an error that tells us so
with error.expected_regex("foo"):
    pass

Truncated Traceback (Use C-c C-x to view full TB):
/home/jweiss/workspace/cfme_tests/utils/error.py in expected(f)
     62     try:
     63         yield
---> 64         raise UnexpectedSuccessException("Expected error {} but got success instead.".format(f))
     65     except UnexpectedSuccessException:
     66         raise

UnexpectedSuccessException: Expected error Regex "foo" but got success instead.


# When we expect a certain error but get a different one, the actual error bubbles up

with error.expected_regex("foo"):
    raise Exception('bar!')


---------------------------------------------------------------------------
Exception                                 Traceback (most recent call last)
<ipython-input-9-aa3e96d2b9eb> in <module>()
      2 reload(error)
      3 with error.expected_regex("foo"):
----> 4     raise Exception('bar!')
      5 

Exception: bar!



# when we get an error message that matches, handler exits normally

import utils.error as error
reload(error)
with error.expected_regex("foo"):
    raise Exception('blah foo!')

None