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test/py: add test of basic shell functionality

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This tests whether the following features of the U-Boot shell:
- Execution of a directly entered command.
- Compound commands (; delimiter).
- Quoting of arguments containing spaces.
- Executing commands from environment variables.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stephen Warren 2016-01-15 11:15:28 -07:00 committed by Simon Glass
parent 98cee89b55
commit 8b86c609b8
2 changed files with 42 additions and 16 deletions
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16
test/command_ut.c
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@ -27,10 +27,6 @@ static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
run_command("setenv check", 0);
#endif
/* commands separated by ; */
run_command_list("setenv list 1; setenv list ${list}1", -1, 0);
assert(!strcmp("11", getenv("list")));
/* commands separated by \n */
run_command_list("setenv list 1\n setenv list ${list}1", -1, 0);
assert(!strcmp("11", getenv("list")));
@ -39,11 +35,6 @@ static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
run_command_list("setenv list 1${list}\n", -1, 0);
assert(!strcmp("111", getenv("list")));
/* three commands in a row */
run_command_list("setenv list 1\n setenv list ${list}2; "
"setenv list ${list}3", -1, 0);
assert(!strcmp("123", getenv("list")));
/* a command string with \0 in it. Stuff after \0 should be ignored */
run_command("setenv list", 0);
run_command_list(test_cmd, sizeof(test_cmd), 0);
@ -62,13 +53,6 @@ static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
assert(run_command_list("false", -1, 0) == 1);
assert(run_command_list("echo", -1, 0) == 0);
run_command("setenv foo 'setenv monty 1; setenv python 2'", 0);
run_command("run foo", 0);
assert(getenv("monty") != NULL);
assert(!strcmp("1", getenv("monty")));
assert(getenv("python") != NULL);
assert(!strcmp("2", getenv("python")));
#ifdef CONFIG_SYS_HUSH_PARSER
run_command("setenv foo 'setenv black 1\nsetenv adder 2'", 0);
run_command("run foo", 0);

42
test/py/tests/test_shell_basics.py Normal file
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@ -0,0 +1,42 @@
# Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0
# Test basic shell functionality, such as commands separate by semi-colons.
def test_shell_execute(u_boot_console):
'''Test any shell command.'''
response = u_boot_console.run_command('echo hello')
assert response.strip() == 'hello'
def test_shell_semicolon_two(u_boot_console):
'''Test two shell commands separate by a semi-colon.'''
cmd = 'echo hello; echo world'
response = u_boot_console.run_command(cmd)
# This validation method ignores the exact whitespace between the strings
assert response.index('hello') < response.index('world')
def test_shell_semicolon_three(u_boot_console):
'''Test three shell commands separate by a semi-colon, with variable
expansion dependencies between them.'''
cmd = 'setenv list 1; setenv list ${list}2; setenv list ${list}3; ' + \
'echo ${list}'
response = u_boot_console.run_command(cmd)
assert response.strip() == '123'
u_boot_console.run_command('setenv list')
def test_shell_run(u_boot_console):
'''Test the "run" shell command.'''
u_boot_console.run_command('setenv foo \"setenv monty 1; setenv python 2\"')
u_boot_console.run_command('run foo')
response = u_boot_console.run_command('echo $monty')
assert response.strip() == '1'
response = u_boot_console.run_command('echo $python')
assert response.strip() == '2'
u_boot_console.run_command('setenv foo')
u_boot_console.run_command('setenv monty')
u_boot_console.run_command('setenv python')