Disable shell print functions if the shell is not initialized.
Update tests accordingly.
Fixes#27161
Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordisemi.no>
Signed-off-by: Steven Slupsky <sslupsky@gmail.com>
Add a simple test for this command to check that the output is as
expected.
This requires a larger output buffer in shell_dummy, so update that
too.
Signed-off-by: Simon Glass <sjg@chromium.org>
It is useful to run tests which generate shell output and check that it
is correct. Update the existing 'dummy' backend to support this.
It works by retaining the output in a small buffer so that it can be
read and checked by the test.
Signed-off-by: Simon Glass <sjg@chromium.org>
Added dummy backend which can be enabled with Kconfig. By default it is
disabled because it needs the same amount of memory as other phisical
backends. It shall be use only for commands testing purposes.
Improved shell_execute_cmd function, now it clears command context
before new command will be executed.
Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>
