[U-Boot] [U-Boot, v6, 6/6] test/py: add test for whitelist of variables while importing environment

[Tom Rini]

On Mon, Jul 09, 2018 at 07:16:30PM +0200, Quentin Schulz wrote:

> This tests that the importing of an environment with a specified
> whitelist works as intended.
> 
> If there are variables passed as parameter to the env import command,
> those only should be imported in the current environment.
> 
> For each variable passed as parameter, if
>  - foo is bar in current env and bar2 in exported env, after importing
>  exported env, foo shall be bar2,
>  - foo does not exist in current env and foo is bar2 in exported env,
>  after importing exported env, foo shall be bar2,
>  - foo is bar in current env and does not exist in exported env (but is
>  passed as parameter), after importing exported env, foo shall be empty
>  ONLY if the -d option is passed to env import, otherwise foo shall be
>  bar,
> 
> Any variable not passed as parameter should be left untouched.
> 
> Two other tests are made to test that size cannot be '-' if the checksum
> protection is enabled.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz at bootlin.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Stephen Warren <swarren at nvidia.com>
> Tested-by: Stephen Warren <swarren at nvidia.com>

Applied to u-boot/master, thanks!

-- 
Tom
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