A helper for testing output of a process in tests.
Installing
$ pip install whatUsage
>>> from what import What
>>> w = What('echo', 'hello world')
>>> w.expect('hello')
'hello world'
>>> w.expect('unicorns', timeout=1)
>>> # ... tracback here ...
what.exceptions.EOF: End of file is reached while expecting string
Expected: unicorns
Return code: 0
Timed out: False
Last 100 lines:
======================================================================
hello world
>>> w.expect_exit(0)Changes
0.5.0: Add support for Python 3.
0.4.4: Changed WhatError to inherit from AssertionError in order to be compatible with unittest.
1 maintainer
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