Nolan Brubaker 02f8d3d697 Test and refactor argument parsing
This patch does not change functionality of the argument parsing
function, but does make it easier to test. While argparse has its own
tests within the standard library and the `args` function could
theoretically be excluded, including these simple tests provide the
coverage we need without introducing the possibility of skipping over
code that might be added later.

Change-Id: I8ee11480ca6e46748fe19fcc19b92aded8a39c39
2016-05-11 15:13:35 +00:00
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