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test: unit test for echo command

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Provide a unit test for the unit command

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2021-01-21 18:41:28 +01:00
parent d018734c0c
commit c0445c18d3
2 changed files with 60 additions and 0 deletions
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3
test/cmd/Makefile
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@ -2,6 +2,9 @@
#
# Copyright (c) 2013 Google, Inc
ifdef CONFIG_HUSH_PARSER
obj-$(CONFIG_CONSOLE_RECORD) += test_echo.o
endif
obj-y += mem.o
obj-$(CONFIG_CMD_MEM_SEARCH) += mem_search.o
obj-$(CONFIG_CMD_PWM) += pwm.o

57
test/cmd/test_echo.c Normal file
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@ -0,0 +1,57 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Tests for echo command
*
* Copyright 2020, Heinrich Schuchadt <xypron.glpk@gmx.de>
*/
#include <common.h>
#include <command.h>
#include <display_options.h>
#include <test/lib.h>
#include <test/test.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
struct test_data {
char *cmd;
char *expected;
};
static struct test_data echo_data[] = {
{"echo 1 2 3",
"1 2 3"},
/* Test new line handling */
{"echo -n 1 2 3; echo a b c",
"1 2 3a b c"},
/*
* Test handling of environment variables.
*
* j, q, x are among the least frequent letters in English.
* Hence no collision for the variable name jQx is expected.
*/
{"setenv jQx X; echo \"a)\" ${jQx} 'b)' '${jQx}' c) ${jQx}; setenv jQx",
"a) X b) ${jQx} c) X"},
/* Test handling of shell variables. */
{"setenv jQx; for jQx in 1 2 3; do echo -n \"${jQx}, \"; done; echo;",
"1, 2, 3, "},
};
static int lib_test_hush_echo(struct unit_test_state *uts)
{
int i;
for (i = 0; i < ARRAY_SIZE(echo_data); ++i) {
console_record_reset_enable();
ut_assertok(run_command(echo_data[i].cmd, 0));
gd->flags &= ~GD_FLG_RECORD;
console_record_readline(uts->actual_str,
sizeof(uts->actual_str));
ut_asserteq_str(echo_data[i].expected, uts->actual_str);
ut_assertok(ut_check_console_end(uts));
}
return 0;
}
LIB_TEST(lib_test_hush_echo, 0);