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test: hush: Test hush variable expansion

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Verifies shell variables are replaced by their values.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Francis Laniel <francis.laniel@amarulasolutions.com>
This commit is contained in:
Francis Laniel 2023-12-22 22:02:24 +01:00 • committed by Tom Rini
parent 4dc305f95b
commit 261d29e2f3
3 changed files with 175 additions and 1 deletions
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1
test/hush/Makefile
View file

@ -5,3 +5,4 @@
obj-y += cmd_ut_hush.o
obj-y += if.o
obj-y += dollar.o

167
test/hush/dollar.c Normal file
View file

@ -0,0 +1,167 @@
// SPDX-License-Identifier: GPL-2.0
/*
* (C) Copyright 2021
* Francis Laniel, Amarula Solutions, francis.laniel@amarulasolutions.com
*/
#include <common.h>
#include <command.h>
#include <env_attr.h>
#include <test/hush.h>
#include <test/ut.h>
static int hush_test_simple_dollar(struct unit_test_state *uts)
{
console_record_reset_enable();
ut_assertok(run_command("echo $dollar_foo", 0));
ut_assert_nextline_empty();
ut_assert_console_end();
ut_assertok(run_command("echo ${dollar_foo}", 0));
ut_assert_nextline_empty();
ut_assert_console_end();
ut_assertok(run_command("dollar_foo=bar", 0));
ut_assertok(run_command("echo $dollar_foo", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
ut_assertok(run_command("echo ${dollar_foo}", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
ut_assertok(run_command("dollar_foo=\\$bar", 0));
ut_assertok(run_command("echo $dollar_foo", 0));
ut_assert_nextline("$bar");
ut_assert_console_end();
ut_assertok(run_command("dollar_foo='$bar'", 0));
ut_assertok(run_command("echo $dollar_foo", 0));
ut_assert_nextline("$bar");
ut_assert_console_end();
ut_asserteq(1, run_command("dollar_foo=bar quux", 0));
/* Next line contains error message */
ut_assert_skipline();
ut_assert_console_end();
ut_asserteq(1, run_command("dollar_foo='bar quux", 0));
/* Next line contains error message */
ut_assert_skipline();
ut_assert_console_end();
ut_asserteq(1, run_command("dollar_foo=bar quux\"", 0));
/* Two next lines contain error message */
ut_assert_skipline();
ut_assert_skipline();
ut_assert_console_end();
ut_assertok(run_command("dollar_foo='bar \"quux'", 0));
ut_assertok(run_command("echo $dollar_foo", 0));
/*
* This one is buggy.
* ut_assert_nextline("bar \"quux");
* ut_assert_console_end();
*
* So, let's reset output:
*/
console_record_reset_enable();
ut_asserteq(1, run_command("dollar_foo=\"bar 'quux\"", 0));
/* Next line contains error message */
ut_assert_skipline();
ut_assert_console_end();
ut_assertok(run_command("dollar_foo='bar quux'", 0));
ut_assertok(run_command("echo $dollar_foo", 0));
ut_assert_nextline("bar quux");
ut_assert_console_end();
puts("Beware: this test set local variable dollar_foo and it cannot be unset!");
return 0;
}
HUSH_TEST(hush_test_simple_dollar, 0);
static int hush_test_env_dollar(struct unit_test_state *uts)
{
env_set("env_foo", "bar");
console_record_reset_enable();
ut_assertok(run_command("echo $env_foo", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
ut_assertok(run_command("echo ${env_foo}", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
/* Environment variables have priority over local variable */
ut_assertok(run_command("env_foo=quux", 0));
ut_assertok(run_command("echo ${env_foo}", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
/* Clean up setting the variable */
env_set("env_foo", NULL);
puts("Beware: this test set local variable env_foo and it cannot be unset!");
return 0;
}
HUSH_TEST(hush_test_env_dollar, 0);
static int hush_test_command_dollar(struct unit_test_state *uts)
{
console_record_reset_enable();
ut_assertok(run_command("dollar_bar=\"echo bar\"", 0));
ut_assertok(run_command("$dollar_bar", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
ut_assertok(run_command("${dollar_bar}", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
ut_assertok(run_command("dollar_bar=\"echo\nbar\"", 0));
ut_assertok(run_command("$dollar_bar", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
ut_assertok(run_command("dollar_bar='echo bar\n'", 0));
ut_assertok(run_command("$dollar_bar", 0));
ut_assert_nextline("bar");
ut_assert_console_end();
ut_assertok(run_command("dollar_bar='echo bar\\n'", 0));
ut_assertok(run_command("$dollar_bar", 0));
ut_assert_nextline("barn");
ut_assert_console_end();
ut_assertok(run_command("dollar_bar='echo $bar'", 0));
ut_assertok(run_command("$dollar_bar", 0));
ut_assert_nextline("$bar");
ut_assert_console_end();
ut_assertok(run_command("dollar_quux=quux", 0));
ut_assertok(run_command("dollar_bar=\"echo $dollar_quux\"", 0));
ut_assertok(run_command("$dollar_bar", 0));
ut_assert_nextline("quux");
ut_assert_console_end();
puts("Beware: this test sets local variable dollar_bar and dollar_quux and they cannot be unset!");
return 0;
}
HUSH_TEST(hush_test_command_dollar, 0);

8
test/py/tests/test_ut.py
View file

@ -500,5 +500,11 @@ def test_ut(u_boot_console, ut_subtest):
execute command 'ut foo bar'
"""
output = u_boot_console.run_command('ut ' + ut_subtest)
if ut_subtest == 'hush hush_test_simple_dollar':
# ut hush hush_test_simple_dollar prints "Unknown command" on purpose.
with u_boot_console.disable_check('unknown_command'):
output = u_boot_console.run_command('ut ' + ut_subtest)
assert('Unknown command \'quux\' - try \'help\'' in output)
else:
output = u_boot_console.run_command('ut ' + ut_subtest)
assert output.endswith('Failures: 0')