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/**
* @file test_structure.c
* @author Michal Vasko <mvasko@cesnet.cz>
* @brief unit tests for structure extensions support
*
* Copyright (c) 2022 - 2025 CESNET, z.s.p.o.
*
* This source code is licensed under BSD 3-Clause License (the "License").
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*/
#define _UTEST_MAIN_
#include "utests.h"
#include "libyang.h"
static void
test_schema(void **state)
{
struct lys_module *mod;
char *printed = NULL;
const char *data, *info;
/* valid data */
data = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix a;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct {"
" must \"/n2/l\";"
" status deprecated;"
" description desc;"
" reference no-ref;"
" typedef my-type {type string;}"
" grouping my-grp {leaf gl {type my-type;}}"
" container n1 {leaf l {config false; type uint32;}}"
" list n2 {leaf l {type leafref {path /n1/l;}}}"
" uses my-grp;"
"}}";
UTEST_ADD_MODULE(data, LYS_IN_YANG, NULL, &mod);
assert_int_equal(LY_ARRAY_COUNT(mod->compiled->exts), 1);
/* valid augment data */
data = "module b {yang-version 1.1; namespace urn:tests:extensions:structure:b; prefix b;"
"import ietf-yang-structure-ext {prefix sx;}"
"import a {prefix a;}"
"sx:augment-structure \"/a:struct/a:n1\" {"
" status obsolete;"
" reference none;"
" leaf aug-leaf {type string;}"
"}"
"sx:augment-structure \"/a:struct\" {"
" leaf l {type uint32;}"
"}}";
UTEST_ADD_MODULE(data, LYS_IN_YANG, NULL, &mod);
assert_int_equal(LY_ARRAY_COUNT(mod->compiled->exts), 2);
/* yang compiled print */
info = "module a {\n"
" namespace \"urn:tests:extensions:structure:a\";\n"
" prefix a;\n"
"\n"
" ietf-yang-structure-ext:structure \"struct\" {\n"
" must \"/n2/l\";\n"
" status deprecated;\n"
" description\n"
" \"desc\";\n"
" reference\n"
" \"no-ref\";\n"
" container n1 {\n"
" status deprecated;\n"
" leaf l {\n"
" type uint32;\n"
" status deprecated;\n"
" }\n"
" leaf aug-leaf {\n"
" type string;\n"
" status obsolete;\n"
" }\n"
" }\n"
" list n2 {\n"
" min-elements 0;\n"
" max-elements 4294967295;\n"
" ordered-by user;\n"
" status deprecated;\n"
" leaf l {\n"
" type leafref {\n"
" path \"/n1/l\";\n"
" require-instance true;\n"
" type uint32;\n"
" }\n"
" status deprecated;\n"
" }\n"
" }\n"
" leaf gl {\n"
" type string;\n"
" status deprecated;\n"
" }\n"
" leaf l {\n"
" type uint32;\n"
" config true;\n"
" status deprecated;\n"
" }\n"
" }\n"
"}\n";
assert_non_null(mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "a"));
assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG_COMPILED, 0));
assert_string_equal(printed, info);
free(printed);
info = "module b {\n"
" namespace \"urn:tests:extensions:structure:b\";\n"
" prefix b;\n"
"\n"
" ietf-yang-structure-ext:augment-structure \"/a:struct/a:n1\";\n"
" ietf-yang-structure-ext:augment-structure \"/a:struct\";\n"
"}\n";
assert_non_null(mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "b"));
assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG_COMPILED, 0));
assert_string_equal(printed, info);
free(printed);
/* no substatements */
data = "module c {yang-version 1.1; namespace urn:tests:extensions:structure:c; prefix c;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct;}";
info = "module c {\n"
" namespace \"urn:tests:extensions:structure:c\";\n"
" prefix c;\n"
"\n"
" ietf-yang-structure-ext:structure \"struct\";\n"
"}\n";
UTEST_ADD_MODULE(data, LYS_IN_YANG, NULL, &mod);
assert_int_equal(LY_ARRAY_COUNT(mod->compiled->exts), 1);
assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG_COMPILED, 0));
assert_string_equal(printed, info);
free(printed);
}
static void
test_schema_invalid(void **state)
{
const char *data;
/* structure */
data = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix self;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct {import yang;}}";
UTEST_INVALID_MODULE(data, LYS_IN_YANG, NULL, LY_EVALID);
CHECK_LOG_CTX("Invalid keyword \"import\" as a child of \"sx:structure struct\" extension instance.",
"/a:{extension='sx:structure'}/struct", 0);
data = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix self;"
"import ietf-yang-structure-ext {prefix sx;}"
"container b { sx:structure struct { container x { leaf x {type string;}}}}}";
UTEST_INVALID_MODULE(data, LYS_IN_YANG, NULL, LY_EVALID);
CHECK_LOG_CTX("Ext plugin \"ly2 structure\": "
"Extension sx:structure must not be used as a non top-level statement in \"container\" statement.",
"/a:b/{extension='sx:structure'}/struct", 0);
data = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix self;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure { container x { leaf x {type string;}}}}";
UTEST_INVALID_MODULE(data, LYS_IN_YANG, NULL, LY_EVALID);
CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL, 0);
CHECK_LOG_CTX("Extension instance \"sx:structure\" missing argument element \"name\".", NULL, 0);
data = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix self;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct { container x { leaf x {type string;}}}"
"sx:structure struct { container y { leaf y {type string;}}}}";
UTEST_INVALID_MODULE(data, LYS_IN_YANG, NULL, LY_EVALID);
CHECK_LOG_CTX("Ext plugin \"ly2 structure\": Extension sx:structure is instantiated multiple times.",
"/a:{extension='sx:structure'}/struct", 0);
data = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix self;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct { container x { leaf x {type string;}}}"
"choice struct { container y { leaf y {type string;}}}}";
UTEST_INVALID_MODULE(data, LYS_IN_YANG, NULL, LY_EVALID);
CHECK_LOG_CTX("Ext plugin \"ly2 structure\": Extension sx:structure collides with a choice with the same identifier.",
"/a:{extension='sx:structure'}/struct", 0);
/* augment-structure */
data = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix a;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct {"
" container n1 {leaf l {config false; type uint32;}}"
" list n2 {leaf l {type string;}}"
"}"
"container n1 {leaf l2 {type uint8;}}}";
UTEST_ADD_MODULE(data, LYS_IN_YANG, NULL, NULL);
data = "module b {yang-version 1.1; namespace urn:tests:extensions:structure:b; prefix b;"
"import ietf-yang-structure-ext {prefix sx;}"
"import a {prefix a;}"
"sx:augment-structure \"/a:n1\" {"
" leaf aug-leaf {type string;}"
"}}";
UTEST_INVALID_MODULE(data, LYS_IN_YANG, NULL, LY_ENOTFOUND);
CHECK_LOG_CTX("Augment extension target node \"/a:n1\" from module \"b\" was not found.",
"/b:{extension='sx:augment-structure'}/{augment='/a:n1'}", 0);
}
static void
test_parse(void **state)
{
struct lyd_node *tree = NULL, *node;
const char *yang, *xml, *json;
char *lyb;
yang = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix a;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct { container x { leaf x { type leafref {path \"/x/y\"; }}"
"anydata any;"
"leaf y { type string; must \"/x/y = 'val'\";} leaf z { type instance-identifier;}}}}";
UTEST_ADD_MODULE(yang, LYS_IN_YANG, NULL, NULL);
yang = "module b {yang-version 1.1; namespace urn:tests:extensions:structure:b; prefix b;"
"import ietf-yang-structure-ext {prefix sx;}"
"import a {prefix a;}"
"sx:augment-structure \"/a:struct/a:x\" {"
" leaf x2 {type uint32;}"
"}}";
UTEST_ADD_MODULE(yang, LYS_IN_YANG, NULL, NULL);
/* structure data, in all the formats */
xml = "<struct xmlns=\"urn:tests:extensions:structure:a\">"
"<x>"
"<x>val</x>"
"<y>val</y>"
"<z xmlns:a=\"urn:tests:extensions:structure:a\">/a:x/a:x</z>"
"<x2 xmlns=\"urn:tests:extensions:structure:b\">25</x2>"
"</x>"
"</struct>";
assert_int_equal(LY_SUCCESS, ly_in_new_memory(xml, &UTEST_IN));
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, &tree));
CHECK_LYD_STRING_PARAM(tree, xml, LYD_XML, LYD_PRINT_SHRINK | LYD_PRINT_SIBLINGS);
lyd_free_all(tree);
json = "{\"a:struct\":{\"x\":{\"x\":\"val\",\"y\":\"val\",\"z\":\"/a:x/x\",\"b:x2\":25}}}";
ly_in_memory(UTEST_IN, json);
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_JSON, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, &tree));
CHECK_LYD_STRING_PARAM(tree, json, LYD_JSON, LYD_PRINT_SHRINK | LYD_PRINT_SIBLINGS);
ly_out_new_memory(&lyb, 0, &UTEST_OUT);
assert_int_equal(LY_SUCCESS, lyd_print_tree(UTEST_OUT, tree, LYD_LYB, 0));
ly_out_free(current_utest_context->out, NULL, 0);
lyd_free_all(tree);
ly_in_memory(UTEST_IN, lyb);
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_LYB, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, &tree));
free(lyb);
lyd_free_all(tree);
/* nested structure */
xml = "<struct xmlns=\"urn:tests:extensions:structure:a\">"
"<x>"
"<struct>"
"<x>"
"<x>val</x>"
"<y>val</y>"
"<z xmlns:a=\"urn:tests:extensions:structure:a\">/a:x/a:y</z>"
"<x2 xmlns=\"urn:tests:extensions:structure:b\">25</x2>"
"</x>"
"</struct>"
"</x>"
"</struct>";
ly_in_memory(UTEST_IN, xml);
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, &tree));
CHECK_LYD_STRING_PARAM(tree, xml, LYD_XML, LYD_PRINT_SHRINK | LYD_PRINT_SIBLINGS);
lyd_free_all(tree);
json = "{\"a:struct\":{\"x\":{\"struct\":{\"x\":{\"x\":\"val\",\"y\":\"val\",\"z\":\"/a:x/y\",\"b:x2\":25}}}}}";
ly_in_memory(UTEST_IN, json);
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_JSON, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, &tree));
CHECK_LYD_STRING_PARAM(tree, json, LYD_JSON, LYD_PRINT_SHRINK | LYD_PRINT_SIBLINGS);
ly_out_new_memory(&lyb, 0, &UTEST_OUT);
assert_int_equal(LY_SUCCESS, lyd_print_tree(UTEST_OUT, tree, LYD_LYB, 0));
ly_out_free(current_utest_context->out, NULL, 0);
lyd_free_all(tree);
ly_in_memory(UTEST_IN, lyb);
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_LYB, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, &tree));
free(lyb);
/* invalid data */
node = lyd_child(lyd_child(lyd_child(lyd_child(tree))));
assert_string_equal(LYD_NAME(node->next), "y");
lyd_free_tree(node->next);
assert_string_equal(LYD_NAME(node), "x");
lyd_free_tree(node);
assert_int_equal(LY_ENOTFOUND, lyd_validate_all(&tree, NULL, LYD_VALIDATE_PRESENT, NULL));
CHECK_LOG_CTX("Invalid instance-identifier \"/a:x/y\" value - required instance not found.",
"/a:struct/x/struct/x/z", 0);
lyd_free_all(tree);
/* anydata strict */
yang = "module c {yang-version 1.1; namespace urn:tests:c; prefix c;"
"container cont {"
" leaf l {type string;}"
"}}";
UTEST_ADD_MODULE(yang, LYS_IN_YANG, NULL, NULL);
xml = "<struct xmlns=\"urn:tests:extensions:structure:a\">"
"<x>"
"<struct>"
"<x>"
"<any>"
"<cont xmlns=\"urn:tests:c\"><l>val</l></cont>"
"</any>"
"</x>"
"</struct>"
"</x>"
"</struct>";
assert_int_equal(LY_SUCCESS, ly_in_new_memory(xml, &UTEST_IN));
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_XML,
LYD_PARSE_STRICT | LYD_PARSE_ANYDATA_STRICT, LYD_VALIDATE_PRESENT, &tree));
CHECK_LYD_STRING_PARAM(tree, xml, LYD_XML, LYD_PRINT_SHRINK | LYD_PRINT_SIBLINGS);
lyd_free_all(tree);
xml = "<struct xmlns=\"urn:tests:extensions:structure:a\">"
"<x>"
"<struct>"
"<x>"
"<any>"
"<cont xmlns=\"urn:tests:c\"><l2>val</l2></cont>"
"</any>"
"</x>"
"</struct>"
"</x>"
"</struct>";
ly_in_memory(UTEST_IN, xml);
assert_int_equal(LY_EVALID, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_XML,
LYD_PARSE_STRICT | LYD_PARSE_ANYDATA_STRICT, LYD_VALIDATE_PRESENT, &tree));
CHECK_LOG_CTX("Node \"l2\" not found as a child of \"cont\" node.",
"/a:struct/x/struct/x/any/c:cont", 1);
}
static void
test_xpath(void **state)
{
struct lyd_node *tree = NULL;
struct ly_set *set;
const char *yang, *xml;
yang = "module a {yang-version 1.1; namespace urn:tests:extensions:structure:a; prefix a;"
"import ietf-yang-structure-ext {prefix sx;}"
"sx:structure struct { container x { leaf x { type leafref {path \"/x/y\"; }}"
"anydata any;"
"leaf y { type string; must \"/x/y = 'val'\";} leaf z { type instance-identifier;}}}}";
UTEST_ADD_MODULE(yang, LYS_IN_YANG, NULL, NULL);
yang = "module c {yang-version 1.1; namespace urn:tests:c; prefix c;"
"container cont {"
" leaf l {type string;}"
"}}";
UTEST_ADD_MODULE(yang, LYS_IN_YANG, NULL, NULL);
xml = "<struct xmlns=\"urn:tests:extensions:structure:a\">"
"<x>"
"<struct>"
"<x>"
"<any>"
"<cont xmlns=\"urn:tests:c\"><l>val</l></cont>"
"</any>"
"</x>"
"</struct>"
"</x>"
"</struct>";
assert_int_equal(LY_SUCCESS, ly_in_new_memory(xml, &UTEST_IN));
assert_int_equal(LY_SUCCESS, lyd_parse_data(UTEST_LYCTX, NULL, UTEST_IN, LYD_XML,
LYD_PARSE_STRICT | LYD_PARSE_ANYDATA_STRICT, LYD_VALIDATE_PRESENT, &tree));
CHECK_LYD_STRING_PARAM(tree, xml, LYD_XML, LYD_PRINT_SHRINK | LYD_PRINT_SIBLINGS);
/* find xpath */
assert_int_equal(LY_SUCCESS, lyd_find_xpath3(NULL, tree, "/a:struct/x/struct/x/any/c:cont/l", LY_VALUE_JSON, NULL,
NULL, &set));
assert_int_equal(set->count, 1);
ly_set_free(set, NULL);
/* find path */
assert_int_equal(LY_SUCCESS, lyd_find_path(tree, "/a:struct/x/struct/x/any/c:cont/l", 0, NULL));
lyd_free_all(tree);
/* create path */
assert_int_equal(LY_SUCCESS, lyd_new_path(NULL, UTEST_LYCTX, "/a:struct/x/struct/x/any/c:cont/l", "val", 0, &tree));
lyd_free_all(tree);
}
int
main(void)
{
const struct CMUnitTest tests[] = {
UTEST(test_schema),
UTEST(test_schema_invalid),
UTEST(test_parse),
UTEST(test_xpath),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}
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