tests: shell: Add test for raw argument option

Added test for commands with SHELL_OPT_ARG_RAW flag set.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>

tests/shell/src/main.c

@@ -29,7 +29,8 @@ static void test_shell_execute_cmd(const char *cmd, int result)
 
 	TC_PRINT("shell_execute_cmd(%s): %d\n", cmd, ret);
 
-	zassert_true(ret == result, cmd);
+	zassert_true(ret == result, "cmd: %s, got:%d, expected:%d",
+							cmd, ret, result);
 }
 
 static void test_cmd_help(void)
@@ -206,7 +207,6 @@ SHELL_CMD_ARG_REGISTER(test_shell_cmd, NULL, "help", cmd_test_module, 1, 0);
 static int cmd_wildcard(const struct shell *shell, size_t argc, char **argv)
 {
 	int valid_arguments = 0;
-
 	for (size_t i = 1; i < argc; i++) {
 		if (!strcmp("argument_1", argv[i])) {
 			valid_arguments++;
@@ -306,7 +306,7 @@ static void test_set_root_cmd(void)
 	err = shell_set_root_cmd("shell");
 	zassert_equal(err, 0, "Unexpected error %d", err);
 
-	test_shell_execute_cmd("shell colors", -ENOEXEC);
+	test_shell_execute_cmd("shell colors", 1);
 	test_shell_execute_cmd("colors on", 0);
 
 	err = shell_set_root_cmd(NULL);
@@ -316,6 +316,35 @@ static void test_set_root_cmd(void)
 	test_shell_execute_cmd("shell colors on", 0);
 }
 
+#define RAW_ARG "aaa \"\" bbb"
+#define CMD_NAME test_cmd_raw_arg
+
+static int cmd_raw_arg(const struct shell *shell, size_t argc, char **argv)
+{
+	if (argc == 2) {
+		if (strcmp(argv[0], STRINGIFY(CMD_NAME))) {
+			return -1;
+		}
+		if (strcmp(argv[1], RAW_ARG)) {
+			return -1;
+		}
+	} else if (argc > 2) {
+		return -1;
+	}
+
+	return 0;
+}
+
+SHELL_CMD_ARG_REGISTER(CMD_NAME, NULL, NULL, cmd_raw_arg, 1, SHELL_OPT_ARG_RAW);
+
+static void test_raw_arg(void)
+{
+	test_shell_execute_cmd("test_cmd_raw_arg aaa \"\" bbb", 0);
+	test_shell_execute_cmd("test_cmd_raw_arg", 0);
+	test_shell_execute_cmd("select test_cmd_raw_arg", 0);
+	test_shell_execute_cmd("aaa \"\" bbb", 0);
+}
+
 void test_main(void)
 {
 	ztest_test_suite(shell_test_suite,
@@ -324,11 +353,13 @@ void test_main(void)
 			ztest_unit_test(test_cmd_shell),
 			ztest_unit_test(test_cmd_history),
 			ztest_unit_test(test_cmd_select),
-			ztest_unit_test(test_set_root_cmd),
 			ztest_unit_test(test_cmd_resize),
 			ztest_unit_test(test_shell_module),
 			ztest_unit_test(test_shell_wildcards_static),
-			ztest_unit_test(test_shell_wildcards_dynamic));
+			ztest_unit_test(test_shell_wildcards_dynamic),
+			ztest_unit_test(test_set_root_cmd),
+			ztest_unit_test(test_raw_arg)
+			);
 
 	ztest_run_test_suite(shell_test_suite);
 }