diff options
Diffstat (limited to 'test/hush/dollar.c')
| -rw-r--r-- | test/hush/dollar.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/test/hush/dollar.c b/test/hush/dollar.c new file mode 100644 index 00000000000..4caa07c192a --- /dev/null +++ b/test/hush/dollar.c @@ -0,0 +1,225 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * (C) Copyright 2021 + * Francis Laniel, Amarula Solutions, francis.laniel@amarulasolutions.com + */ + +#include <command.h> +#include <env_attr.h> +#include <test/hush.h> +#include <test/ut.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +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(); + + if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) { + /* + * For some strange reasons, the console is not empty after + * running above command. + * So, we reset it to not have side effects for other tests. + */ + console_record_reset_enable(); + } else if (gd->flags & GD_FLG_HUSH_OLD_PARSER) { + 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(); + + if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) { + /* See above comments. */ + console_record_reset_enable(); + } else if (gd->flags & GD_FLG_HUSH_OLD_PARSER) { + 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(); + + if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) { + /* + * Old parser returns an error because it waits for closing + * '\'', but this behavior is wrong as the '\'' is surrounded by + * '"', so no need to wait for a closing one. + */ + 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(); + } else if (gd->flags & GD_FLG_HUSH_OLD_PARSER) { + 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(); + + if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) { + /* Reset local variable. */ + ut_assertok(run_command("dollar_foo=", 0)); + } else if (gd->flags & GD_FLG_HUSH_OLD_PARSER) { + 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 ${env_foo}", 0)); + ut_assert_nextline("bar"); + ut_assert_console_end(); + + /* Clean up setting the variable */ + env_set("env_foo", NULL); + + if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) { + /* Reset local variable. */ + ut_assertok(run_command("env_foo=", 0)); + } else if (gd->flags & GD_FLG_HUSH_OLD_PARSER) { + puts("Beware: this test set local variable env_foo and it cannot be unset!"); + } + + return 0; +} +HUSH_TEST(hush_test_env_dollar, 0); + +static int hush_test_command_dollar(struct unit_test_state *uts) +{ + console_record_reset_enable(); + + ut_assertok(run_command("dollar_bar=\"echo bar\"", 0)); + + ut_assertok(run_command("$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)); + + if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) { + /* + * This difference seems to come from a bug solved in Busybox + * hush. + * Behavior of hush 2021 is coherent with bash and other shells. + */ + ut_assert_nextline("bar\\n"); + } else if (gd->flags & GD_FLG_HUSH_OLD_PARSER) { + 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(); + + if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) { + /* Reset local variables. */ + ut_assertok(run_command("dollar_bar=", 0)); + ut_assertok(run_command("dollar_quux=", 0)); + } else if (gd->flags & GD_FLG_HUSH_OLD_PARSER) { + 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); |