Dirk Mueller 07a7c3102c Add workaround for OSError raised by Popen.communicate() ...

Python 2.6 can raise OSError when too much data is
written to STDIN and the process died prematurely.

In the case of keystoneclient this happens during
the first cms_verify() call of a process. The calling
logic expects a useful error message in order to
refetch the CA or singing CERT, which is missing in the
case of an OSError. So just fake it instead.

Add basic unit tests to cover all of the public methods from
keystone.common.cms, raising test coverage to 77%. Add
unit test for this specific bug (test_cms_verify_token_no_oserror).

Closes-Bug: LP Bug#1235252

Change-Id: I6e650ab9494c605b4e41c78c87a9505e09d5fc29

2013-11-28 22:53:43 +01:00

9.0 KiB

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