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cmd: Add pause command

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This command is being introduced with the goal of allowing user-friendly
"generic use case" U-Boot builds to pause until user input under some
situations.

The main use case would be when a boot failure happens, to pause until
the user has had time to acknowledge the current state.

Tested using:

    make && ./u-boot -v -T -c 'ut lib lib_test_hush_pause'

Signed-off-by: Samuel Dionne-Riel <samuel@dionne-riel.com>
Cc: Simon Glass <sjg@chromium.org>
This commit is contained in:
Samuel Dionne-Riel
2022-08-18 15:44:04 -04:00
committed by Tom Rini
parent d88260710b
commit dc0d17c26a
9 changed files with 143 additions and 0 deletions
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45
test/cmd/test_pause.c Normal file
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// SPDX-License-Identifier: GPL-2.0+
/*
* Tests for pause command
*
* Copyright 2022, Samuel Dionne-Riel <samuel@dionne-riel.com>
*/
#include <common.h>
#include <asm/global_data.h>
#include <test/lib.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
static int lib_test_hush_pause(struct unit_test_state *uts)
{
/* Test default message */
console_record_reset_enable();
/* Cook a newline when the command is expected to pause */
console_in_puts("\n");
ut_assertok(run_command("pause", 0));
console_record_readline(uts->actual_str, sizeof(uts->actual_str));
ut_asserteq_str("Press any key to continue...", uts->actual_str);
ut_assertok(ut_check_console_end(uts));
/* Test provided message */
console_record_reset_enable();
/* Cook a newline when the command is expected to pause */
console_in_puts("\n");
ut_assertok(run_command("pause 'Prompt for pause...'", 0));
console_record_readline(uts->actual_str, sizeof(uts->actual_str));
ut_asserteq_str("Prompt for pause...", uts->actual_str);
ut_assertok(ut_check_console_end(uts));
/* Test providing more than one params */
console_record_reset_enable();
/* No newline cooked here since the command is expected to fail */
ut_asserteq(1, run_command("pause a b", 0));
console_record_readline(uts->actual_str, sizeof(uts->actual_str));
ut_asserteq_str("pause - delay until user input", uts->actual_str);
ut_asserteq(1, ut_check_console_end(uts));
return 0;
}
LIB_TEST(lib_test_hush_pause, 0);