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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* get_node_path.c
*
* Copyright (C) 2022 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "compat.h"
#include "util/test.h"
#include "sqfs/dir_reader.h"
#include "sqfs/error.h"
#include "dir_tree.h"
int main(int argc, char **argv)
{
sqfs_tree_node_t *n0, *n1, *n2;
char *str;
int ret;
(void)argc;
(void)argv;
n0 = calloc(1, sizeof(*n0) + 16);
TEST_NOT_NULL(n0);
n1 = calloc(1, sizeof(*n1) + 16);
TEST_NOT_NULL(n1);
n2 = calloc(1, sizeof(*n2) + 16);
TEST_NOT_NULL(n2);
/* no parent -> must return "/" */
ret = sqfs_tree_node_get_path(n0, &str);
TEST_EQUAL_I(ret, 0);
TEST_NOT_NULL(str);
TEST_STR_EQUAL(str, "/");
sqfs_free(str);
/* hiearchy levels */
n1->parent = n0;
n0->children = n1;
strcpy((char *)n1->name, "bar");
n2->parent = n1;
n1->children = n2;
strcpy((char *)n2->name, "baz");
ret = sqfs_tree_node_get_path(n1, &str);
TEST_EQUAL_I(ret, 0);
TEST_NOT_NULL(str);
TEST_STR_EQUAL(str, "/bar");
sqfs_free(str);
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, 0);
TEST_NOT_NULL(str);
TEST_STR_EQUAL(str, "/bar/baz");
sqfs_free(str);
/* root node must not have a name */
strcpy((char *)n0->name, "foo");
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, SQFS_ERROR_ARG_INVALID);
TEST_NULL(str);
n0->name[0] = '\0';
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, 0);
TEST_NOT_NULL(str);
TEST_STR_EQUAL(str, "/bar/baz");
sqfs_free(str);
/* non-root nodes must have names */
n1->name[0] = '\0';
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
TEST_NULL(str);
n1->name[0] = 'b';
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, 0);
TEST_NOT_NULL(str);
TEST_STR_EQUAL(str, "/bar/baz");
sqfs_free(str);
/* some names are illegal */
strcpy((char *)n1->name, "..");
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
TEST_NULL(str);
strcpy((char *)n1->name, ".");
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
TEST_NULL(str);
strcpy((char *)n1->name, "a/b");
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
TEST_NULL(str);
strcpy((char *)n1->name, "bar");
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, 0);
TEST_NOT_NULL(str);
TEST_STR_EQUAL(str, "/bar/baz");
sqfs_free(str);
/* link loops must be detected */
n0->parent = n2;
strcpy((char *)n0->name, "foo");
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, SQFS_ERROR_LINK_LOOP);
TEST_NULL(str);
n0->parent = NULL;
n0->name[0] = '\0';
ret = sqfs_tree_node_get_path(n2, &str);
TEST_EQUAL_I(ret, 0);
TEST_NOT_NULL(str);
TEST_STR_EQUAL(str, "/bar/baz");
sqfs_free(str);
/* cleanup */
free(n0);
free(n1);
free(n2);
return EXIT_SUCCESS;
}
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