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bind/tests/dns/db_test.c
Ondřej Surý 2c3b2dabe9 Move all the unit tests to /tests/<libname>/
The unit tests are now using a common base, which means that
lib/dns/tests/ code now has to include lib/isc/include/isc/test.h and
link with lib/isc/test.c and lib/ns/tests has to include both libisc and
libdns parts.

Instead of cross-linking code between the directories, move the
/lib/<foo>/test.c to /tests/<foo>.c and /lib/<foo>/include/<foo>test.h
to /tests/include/tests/<foo>.h and create a single libtest.la
convenience library in /tests/.

At the same time, move the /lib/<foo>/tests/ to /tests/<foo>/ (but keep
it symlinked to the old location) and adjust paths accordingly.  In few
places, we are now using absolute paths instead of relative paths,
because the directory level has changed.  By moving the directories
under the /tests/ directory, the test-related code is kept in a single
place and we can avoid referencing files between libns->libdns->libisc
which is unhealthy because they live in a separate Makefile-space.

In the future, the /bin/tests/ should be merged to /tests/ and symlink
kept, and the /fuzz/ directory moved to /tests/fuzz/.
2022-05-28 14:53:02 -07:00

372 lines
9.7 KiB
C

/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <dns/db.h>
#include <dns/dbiterator.h>
#include <dns/journal.h>
#include <dns/name.h>
#include <dns/rdatalist.h>
#include <tests/dns.h>
#define BUFLEN 255
#define BIGBUFLEN (64 * 1024)
#define TEST_ORIGIN "test"
/*
* Individual unit tests
*/
/* test multiple calls to dns_db_getoriginnode */
ISC_RUN_TEST_IMPL(getoriginnode) {
dns_db_t *db = NULL;
dns_dbnode_t *node = NULL;
isc_result_t result;
UNUSED(state);
result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone,
dns_rdataclass_in, 0, NULL, &db);
assert_int_equal(result, ISC_R_SUCCESS);
result = dns_db_getoriginnode(db, &node);
assert_int_equal(result, ISC_R_SUCCESS);
dns_db_detachnode(db, &node);
result = dns_db_getoriginnode(db, &node);
assert_int_equal(result, ISC_R_SUCCESS);
dns_db_detachnode(db, &node);
dns_db_detach(&db);
}
/* test getservestalettl and setservestalettl */
ISC_RUN_TEST_IMPL(getsetservestalettl) {
dns_db_t *db = NULL;
isc_result_t result;
dns_ttl_t ttl;
UNUSED(state);
result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_cache,
dns_rdataclass_in, 0, NULL, &db);
assert_int_equal(result, ISC_R_SUCCESS);
ttl = 5000;
result = dns_db_getservestalettl(db, &ttl);
assert_int_equal(result, ISC_R_SUCCESS);
assert_int_equal(ttl, 0);
ttl = 6 * 3600;
result = dns_db_setservestalettl(db, ttl);
assert_int_equal(result, ISC_R_SUCCESS);
ttl = 5000;
result = dns_db_getservestalettl(db, &ttl);
assert_int_equal(result, ISC_R_SUCCESS);
assert_int_equal(ttl, 6 * 3600);
dns_db_detach(&db);
}
/* check DNS_DBFIND_STALEOK works */
ISC_RUN_TEST_IMPL(dns_dbfind_staleok) {
dns_db_t *db = NULL;
dns_dbnode_t *node = NULL;
dns_fixedname_t example_fixed;
dns_fixedname_t found_fixed;
dns_name_t *example;
dns_name_t *found;
dns_rdatalist_t rdatalist;
dns_rdataset_t rdataset;
int count;
int pass;
isc_result_t result;
unsigned char data[] = { 0x0a, 0x00, 0x00, 0x01 };
UNUSED(state);
result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_cache,
dns_rdataclass_in, 0, NULL, &db);
assert_int_equal(result, ISC_R_SUCCESS);
example = dns_fixedname_initname(&example_fixed);
found = dns_fixedname_initname(&found_fixed);
result = dns_name_fromstring(example, "example", 0, NULL);
assert_int_equal(result, ISC_R_SUCCESS);
/*
* Pass 0: default; no stale processing permitted.
* Pass 1: stale processing for 1 second.
* Pass 2: stale turned off after being on.
*/
for (pass = 0; pass < 3; pass++) {
dns_rdata_t rdata = DNS_RDATA_INIT;
/* 10.0.0.1 */
rdata.data = data;
rdata.length = 4;
rdata.rdclass = dns_rdataclass_in;
rdata.type = dns_rdatatype_a;
dns_rdatalist_init(&rdatalist);
rdatalist.ttl = 2;
rdatalist.type = dns_rdatatype_a;
rdatalist.rdclass = dns_rdataclass_in;
ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
switch (pass) {
case 0:
/* default: stale processing off */
break;
case 1:
/* turn on stale processing */
result = dns_db_setservestalettl(db, 1);
assert_int_equal(result, ISC_R_SUCCESS);
break;
case 2:
/* turn off stale processing */
result = dns_db_setservestalettl(db, 0);
assert_int_equal(result, ISC_R_SUCCESS);
break;
}
dns_rdataset_init(&rdataset);
result = dns_rdatalist_tordataset(&rdatalist, &rdataset);
assert_int_equal(result, ISC_R_SUCCESS);
result = dns_db_findnode(db, example, true, &node);
assert_int_equal(result, ISC_R_SUCCESS);
result = dns_db_addrdataset(db, node, NULL, 0, &rdataset, 0,
NULL);
assert_int_equal(result, ISC_R_SUCCESS);
dns_db_detachnode(db, &node);
dns_rdataset_disassociate(&rdataset);
result = dns_db_find(db, example, NULL, dns_rdatatype_a, 0, 0,
&node, found, &rdataset, NULL);
assert_int_equal(result, ISC_R_SUCCESS);
/*
* May loop for up to 2 seconds performing non stale lookups.
*/
count = 0;
do {
count++;
assert_in_range(count, 1, 21); /* loop sanity */
assert_int_equal(rdataset.attributes &
DNS_RDATASETATTR_STALE,
0);
assert_true(rdataset.ttl > 0);
dns_db_detachnode(db, &node);
dns_rdataset_disassociate(&rdataset);
usleep(100000); /* 100 ms */
result = dns_db_find(db, example, NULL, dns_rdatatype_a,
0, 0, &node, found, &rdataset,
NULL);
} while (result == ISC_R_SUCCESS);
assert_int_equal(result, ISC_R_NOTFOUND);
/*
* Check whether we can get stale data.
*/
result = dns_db_find(db, example, NULL, dns_rdatatype_a,
DNS_DBFIND_STALEOK, 0, &node, found,
&rdataset, NULL);
switch (pass) {
case 0:
assert_int_equal(result, ISC_R_NOTFOUND);
break;
case 1:
/*
* Should loop for 1 second with stale lookups then
* stop.
*/
count = 0;
do {
count++;
assert_in_range(count, 0, 49); /* loop sanity */
assert_int_equal(result, ISC_R_SUCCESS);
assert_int_equal(rdataset.attributes &
DNS_RDATASETATTR_STALE,
DNS_RDATASETATTR_STALE);
dns_db_detachnode(db, &node);
dns_rdataset_disassociate(&rdataset);
usleep(100000); /* 100 ms */
result = dns_db_find(
db, example, NULL, dns_rdatatype_a,
DNS_DBFIND_STALEOK, 0, &node, found,
&rdataset, NULL);
} while (result == ISC_R_SUCCESS);
/*
* usleep(100000) can be slightly less than 10ms so
* allow the count to reach 11.
*/
assert_in_range(count, 1, 11);
assert_int_equal(result, ISC_R_NOTFOUND);
break;
case 2:
assert_int_equal(result, ISC_R_NOTFOUND);
break;
}
}
dns_db_detach(&db);
}
/* database class */
ISC_RUN_TEST_IMPL(class) {
isc_result_t result;
dns_db_t *db = NULL;
UNUSED(state);
result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone,
dns_rdataclass_in, 0, NULL, &db);
assert_int_equal(result, ISC_R_SUCCESS);
result = dns_db_load(db, "testdata/db/data.db", dns_masterformat_text,
0);
assert_int_equal(result, ISC_R_SUCCESS);
assert_int_equal(dns_db_class(db), dns_rdataclass_in);
dns_db_detach(&db);
}
/* database type */
ISC_RUN_TEST_IMPL(dbtype) {
isc_result_t result;
dns_db_t *db = NULL;
UNUSED(state);
/* DB has zone semantics */
result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone,
dns_rdataclass_in, 0, NULL, &db);
assert_int_equal(result, ISC_R_SUCCESS);
result = dns_db_load(db, "testdata/db/data.db", dns_masterformat_text,
0);
assert_int_equal(result, ISC_R_SUCCESS);
assert_true(dns_db_iszone(db));
assert_false(dns_db_iscache(db));
dns_db_detach(&db);
/* DB has cache semantics */
result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_cache,
dns_rdataclass_in, 0, NULL, &db);
assert_int_equal(result, ISC_R_SUCCESS);
result = dns_db_load(db, "testdata/db/data.db", dns_masterformat_text,
0);
assert_int_equal(result, ISC_R_SUCCESS);
assert_true(dns_db_iscache(db));
assert_false(dns_db_iszone(db));
dns_db_detach(&db);
}
/* database versions */
ISC_RUN_TEST_IMPL(version) {
isc_result_t result;
dns_fixedname_t fname, ffound;
dns_name_t *name, *foundname;
dns_db_t *db = NULL;
dns_dbversion_t *ver = NULL, *new = NULL;
dns_dbnode_t *node = NULL;
dns_rdataset_t rdataset;
UNUSED(state);
result = dns_test_loaddb(&db, dns_dbtype_zone, "test.test",
"testdata/db/data.db");
assert_int_equal(result, ISC_R_SUCCESS);
/* Open current version for reading */
dns_db_currentversion(db, &ver);
dns_test_namefromstring("b.test.test", &fname);
name = dns_fixedname_name(&fname);
foundname = dns_fixedname_initname(&ffound);
dns_rdataset_init(&rdataset);
result = dns_db_find(db, name, ver, dns_rdatatype_a, 0, 0, &node,
foundname, &rdataset, NULL);
assert_int_equal(result, ISC_R_SUCCESS);
dns_rdataset_disassociate(&rdataset);
dns_db_detachnode(db, &node);
dns_db_closeversion(db, &ver, false);
/* Open new version for writing */
dns_db_currentversion(db, &ver);
dns_test_namefromstring("b.test.test", &fname);
name = dns_fixedname_name(&fname);
foundname = dns_fixedname_initname(&ffound);
dns_rdataset_init(&rdataset);
result = dns_db_find(db, name, ver, dns_rdatatype_a, 0, 0, &node,
foundname, &rdataset, NULL);
assert_int_equal(result, ISC_R_SUCCESS);
result = dns_db_newversion(db, &new);
assert_int_equal(result, ISC_R_SUCCESS);
/* Delete the rdataset from the new version */
result = dns_db_deleterdataset(db, node, new, dns_rdatatype_a, 0);
assert_int_equal(result, ISC_R_SUCCESS);
dns_rdataset_disassociate(&rdataset);
dns_db_detachnode(db, &node);
/* This should fail now */
result = dns_db_find(db, name, new, dns_rdatatype_a, 0, 0, &node,
foundname, &rdataset, NULL);
assert_int_equal(result, DNS_R_NXDOMAIN);
dns_db_closeversion(db, &new, true);
/* But this should still succeed */
result = dns_db_find(db, name, ver, dns_rdatatype_a, 0, 0, &node,
foundname, &rdataset, NULL);
assert_int_equal(result, ISC_R_SUCCESS);
dns_rdataset_disassociate(&rdataset);
dns_db_detachnode(db, &node);
dns_db_closeversion(db, &ver, false);
dns_db_detach(&db);
}
ISC_TEST_LIST_START
ISC_TEST_ENTRY(getoriginnode)
ISC_TEST_ENTRY(getsetservestalettl)
ISC_TEST_ENTRY(dns_dbfind_staleok)
ISC_TEST_ENTRY(class)
ISC_TEST_ENTRY(dbtype)
ISC_TEST_ENTRY(version)
ISC_TEST_LIST_END
ISC_TEST_MAIN