[PATCH v2 4/4] test: Don't unmount not (yet) mounted system

[Tom Rini]

On Thu, Feb 11, 2021 at 04:40:12PM +0200, Andy Shevchenko wrote:

> When test suite tries to create a file for a new filesystem test case and fails,
> the clean up of the exception tries to unmount the image, that has not yet been
> mounted. When it happens, the fuse_mounted global variable is set to False and
> inconveniently the test case tries to use sudo, so without this change the
> admin of the machine gets an (annoying) email:
> 
>   Subject: *** SECURITY information for example.com ***
> 
>   example.com : Feb  5 19:43:47 : ... COMMAND=/bin/umount .../build-sandbox/persistent-data/mnt
> 
> and second run of the test cases on uncleaned build folder will ask for sudo
> which is not what expected.
> 
> Besides that there is a double unmount calls during successfully run test case.
> 
> All of these due to over engineered Python try-except clause and people didn't
> get it properly at all. The rule of thumb is that don't use more keywords than
> try-except in the exception handling code. Nevertheless, here we adjust code
> to be less intrusive to the initial logic behind that complex and unclear
> constructions in the test case, although it adds a lot of lines of the code,
> i.e. splits one exception handler to three, so on each step we know what
> cleanup shall perform.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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