blob: 6ae1900c2559027b7e657a7cbd20e5b9e91b2fe2 [file] [log] [blame]
/*
* @file test_nacm.c
* @author: Radek Krejci <rkrejci@cesnet.cz>
* @brief unit tests for NACM extensions support
*
* Copyright (c) 2019 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
*/
#include "tests/config.h"
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <stdio.h>
#include <string.h>
#include "../../src/libyang.h"
#define BUFSIZE 1024
char logbuf[BUFSIZE] = {0};
int store = -1; /* negative for infinite logging, positive for limited logging */
struct state_s {
void *func;
struct ly_ctx *ctx;
};
/* set to 0 to printing error messages to stderr instead of checking them in code */
#define ENABLE_LOGGER_CHECKING 1
#if ENABLE_LOGGER_CHECKING
static void
logger(LY_LOG_LEVEL level, const char *msg, const char *path)
{
(void) level; /* unused */
if (store) {
if (path && path[0]) {
snprintf(logbuf, BUFSIZE - 1, "%s %s", msg, path);
} else {
strncpy(logbuf, msg, BUFSIZE - 1);
}
if (store > 0) {
--store;
}
}
}
#endif
static int
setup(void **state)
{
struct state_s *s;
s = calloc(1, sizeof *s);
assert_non_null(s);
#if ENABLE_LOGGER_CHECKING
ly_set_log_clb(logger, 1);
#endif
assert_int_equal(LY_SUCCESS, ly_ctx_new(TESTS_DIR_MODULES_YANG, 0, &s->ctx));
assert_non_null(ly_ctx_load_module(s->ctx, "ietf-netconf-acm", "2018-02-14"));
*state = s;
return 0;
}
static int
teardown(void **state)
{
struct state_s *s = (struct state_s*)(*state);
#if ENABLE_LOGGER_CHECKING
if (s->func) {
fprintf(stderr, "%s\n", logbuf);
}
#endif
ly_ctx_destroy(s->ctx, NULL);
free(s);
return 0;
}
void
logbuf_clean(void)
{
logbuf[0] = '\0';
}
#if ENABLE_LOGGER_CHECKING
# define logbuf_assert(str) assert_string_equal(logbuf, str)
#else
# define logbuf_assert(str)
#endif
static void
test_deny_all(void **state)
{
struct state_s *s = (struct state_s*)(*state);
s->func = test_deny_all;
struct lys_module *mod;
struct lysc_node_container *cont;
struct lysc_node_leaf *leaf;
struct lysc_ext_instance *e;
const char *data = "module a {yang-version 1.1; namespace urn:tests:extensions:nacm:a; prefix en;"
"import ietf-netconf-acm {revision-date 2018-02-14; prefix nacm;}"
"container a { nacm:default-deny-all; leaf aa {type string;}}"
"leaf b {type string;}}";
/* valid data */
assert_non_null(mod = lys_parse_mem(s->ctx, data, LYS_IN_YANG));
assert_non_null(cont = (struct lysc_node_container*)mod->compiled->data);
assert_non_null(leaf = (struct lysc_node_leaf*)cont->child);
assert_non_null(e = &cont->exts[0]);
assert_int_equal(LY_ARRAY_SIZE(cont->exts), 1);
assert_int_equal(LY_ARRAY_SIZE(leaf->exts), 1); /* NACM extensions inherit */
assert_ptr_equal(e->def, leaf->exts[0].def);
assert_int_equal(1, *((uint8_t*)e->data)); /* plugin's value for default-deny-all */
assert_null(cont->next->exts);
/* invalid */
data = "module aa {yang-version 1.1; namespace urn:tests:extensions:nacm:aa; prefix en;"
"import ietf-netconf-acm {revision-date 2018-02-14; prefix nacm;}"
"nacm:default-deny-all;}";
assert_null(lys_parse_mem(s->ctx, data, LYS_IN_YANG));
logbuf_assert("Extension plugin \"libyang 2 - NACM, version 1\": "
"Extension nacm:default-deny-all is allowed only in a data nodes, but it is placed in \"module\" statement.) /aa:{extension='nacm:default-deny-all'}");
data = "module aa {yang-version 1.1; namespace urn:tests:extensions:nacm:aa; prefix en;"
"import ietf-netconf-acm {revision-date 2018-02-14; prefix nacm;}"
"leaf l { type string; nacm:default-deny-all; nacm:default-deny-write;}}";
assert_null(lys_parse_mem(s->ctx, data, LYS_IN_YANG));
logbuf_assert("Extension plugin \"libyang 2 - NACM, version 1\": "
"Extension nacm:default-deny-write is mixed with nacm:default-deny-all.) /aa:l/{extension='nacm:default-deny-write'}");
s->func = NULL;
}
static void
test_deny_write(void **state)
{
struct state_s *s = (struct state_s*)(*state);
s->func = test_deny_write;
struct lys_module *mod;
struct lysc_node_container *cont;
struct lysc_node_leaf *leaf;
struct lysc_ext_instance *e;
const char *data = "module a {yang-version 1.1; namespace urn:tests:extensions:nacm:a; prefix en;"
"import ietf-netconf-acm {revision-date 2018-02-14; prefix nacm;}"
"container a { nacm:default-deny-write; leaf aa {type string;}}"
"leaf b {type string;}}";
/* valid data */
assert_non_null(mod = lys_parse_mem(s->ctx, data, LYS_IN_YANG));
assert_non_null(cont = (struct lysc_node_container*)mod->compiled->data);
assert_non_null(leaf = (struct lysc_node_leaf*)cont->child);
assert_non_null(e = &cont->exts[0]);
assert_int_equal(LY_ARRAY_SIZE(cont->exts), 1);
assert_int_equal(LY_ARRAY_SIZE(leaf->exts), 1); /* NACM extensions inherit */
assert_ptr_equal(e->def, leaf->exts[0].def);
assert_int_equal(2, *((uint8_t*)e->data)); /* plugin's value for default-deny-write */
assert_null(cont->next->exts);
/* invalid */
data = "module aa {yang-version 1.1; namespace urn:tests:extensions:nacm:aa; prefix en;"
"import ietf-netconf-acm {revision-date 2018-02-14; prefix nacm;}"
"notification notif {nacm:default-deny-write;}}";
assert_null(lys_parse_mem(s->ctx, data, LYS_IN_YANG));
logbuf_assert("Extension plugin \"libyang 2 - NACM, version 1\": "
"Extension nacm:default-deny-write is not allowed in Notification statement.) /aa:notif/{extension='nacm:default-deny-write'}");
data = "module aa {yang-version 1.1; namespace urn:tests:extensions:nacm:aa; prefix en;"
"import ietf-netconf-acm {revision-date 2018-02-14; prefix nacm;}"
"leaf l { type string; nacm:default-deny-write; nacm:default-deny-write;}}";
assert_null(lys_parse_mem(s->ctx, data, LYS_IN_YANG));
logbuf_assert("Extension plugin \"libyang 2 - NACM, version 1\": "
"Extension nacm:default-deny-write is instantiated multiple times.) /aa:l/{extension='nacm:default-deny-write'}");
s->func = NULL;
}
int main(void)
{
const struct CMUnitTest tests[] = {
cmocka_unit_test_setup_teardown(test_deny_all, setup, teardown),
cmocka_unit_test_setup_teardown(test_deny_write, setup, teardown),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}