diff options
Diffstat (limited to 'lib/dns/tests/rdatasetstats_test.c')
| -rw-r--r-- | lib/dns/tests/rdatasetstats_test.c | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/lib/dns/tests/rdatasetstats_test.c b/lib/dns/tests/rdatasetstats_test.c new file mode 100644 index 0000000..20b333d --- /dev/null +++ b/lib/dns/tests/rdatasetstats_test.c @@ -0,0 +1,312 @@ +/* + * 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. + */ + +#if HAVE_CMOCKA + +#include <inttypes.h> +#include <sched.h> /* IWYU pragma: keep */ +#include <setjmp.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define UNIT_TESTING +#include <cmocka.h> + +#include <isc/print.h> +#include <isc/util.h> + +#include <dns/stats.h> + +#include "dnstest.h" + +static int +_setup(void **state) { + isc_result_t result; + + UNUSED(state); + + result = dns_test_begin(NULL, false); + assert_int_equal(result, ISC_R_SUCCESS); + + return (0); +} + +static int +_teardown(void **state) { + UNUSED(state); + + dns_test_end(); + + return (0); +} + +static void +set_typestats(dns_stats_t *stats, dns_rdatatype_t type) { + dns_rdatastatstype_t which; + unsigned int attributes; + + attributes = 0; + which = DNS_RDATASTATSTYPE_VALUE(type, attributes); + dns_rdatasetstats_increment(stats, which); + + attributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET; + which = DNS_RDATASTATSTYPE_VALUE(type, attributes); + dns_rdatasetstats_increment(stats, which); +} + +static void +set_nxdomainstats(dns_stats_t *stats) { + dns_rdatastatstype_t which; + unsigned int attributes; + + attributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN; + which = DNS_RDATASTATSTYPE_VALUE(0, attributes); + dns_rdatasetstats_increment(stats, which); +} + +static void +mark_stale(dns_stats_t *stats, dns_rdatatype_t type, int from, int to) { + dns_rdatastatstype_t which; + unsigned int attributes; + + attributes = from; + which = DNS_RDATASTATSTYPE_VALUE(type, attributes); + dns_rdatasetstats_decrement(stats, which); + + attributes |= to; + which = DNS_RDATASTATSTYPE_VALUE(type, attributes); + dns_rdatasetstats_increment(stats, which); + + attributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET | from; + which = DNS_RDATASTATSTYPE_VALUE(type, attributes); + dns_rdatasetstats_decrement(stats, which); + + attributes |= to; + which = DNS_RDATASTATSTYPE_VALUE(type, attributes); + dns_rdatasetstats_increment(stats, which); +} + +static void +mark_nxdomain_stale(dns_stats_t *stats, int from, int to) { + dns_rdatastatstype_t which; + unsigned int attributes; + + attributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN | from; + which = DNS_RDATASTATSTYPE_VALUE(0, attributes); + dns_rdatasetstats_decrement(stats, which); + + attributes |= to; + which = DNS_RDATASTATSTYPE_VALUE(0, attributes); + dns_rdatasetstats_increment(stats, which); +} + +#define ATTRIBUTE_SET(y) ((attributes & (y)) != 0) +static void +verify_active_counters(dns_rdatastatstype_t which, uint64_t value, void *arg) { + unsigned int attributes; +#if debug + unsigned int type; +#endif /* if debug */ + + UNUSED(which); + UNUSED(arg); + + attributes = DNS_RDATASTATSTYPE_ATTR(which); +#if debug + type = DNS_RDATASTATSTYPE_BASE(which); + + fprintf(stderr, "%s%s%s%s%s/%u, %u\n", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) ? "O" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXRRSET) ? "!" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_ANCIENT) ? "~" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_STALE) ? "#" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) ? "X" : " ", + type, (unsigned)value); +#endif /* if debug */ + if ((attributes & DNS_RDATASTATSTYPE_ATTR_ANCIENT) == 0 && + (attributes & DNS_RDATASTATSTYPE_ATTR_STALE) == 0) + { + assert_int_equal(value, 1); + } else { + assert_int_equal(value, 0); + } +} + +static void +verify_stale_counters(dns_rdatastatstype_t which, uint64_t value, void *arg) { + unsigned int attributes; +#if debug + unsigned int type; +#endif /* if debug */ + + UNUSED(which); + UNUSED(arg); + + attributes = DNS_RDATASTATSTYPE_ATTR(which); +#if debug + type = DNS_RDATASTATSTYPE_BASE(which); + + fprintf(stderr, "%s%s%s%s%s/%u, %u\n", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) ? "O" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXRRSET) ? "!" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_ANCIENT) ? "~" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_STALE) ? "#" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) ? "X" : " ", + type, (unsigned)value); +#endif /* if debug */ + if ((attributes & DNS_RDATASTATSTYPE_ATTR_STALE) != 0) { + assert_int_equal(value, 1); + } else { + assert_int_equal(value, 0); + } +} + +static void +verify_ancient_counters(dns_rdatastatstype_t which, uint64_t value, void *arg) { + unsigned int attributes; +#if debug + unsigned int type; +#endif /* if debug */ + + UNUSED(which); + UNUSED(arg); + + attributes = DNS_RDATASTATSTYPE_ATTR(which); +#if debug + type = DNS_RDATASTATSTYPE_BASE(which); + + fprintf(stderr, "%s%s%s%s%s/%u, %u\n", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) ? "O" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXRRSET) ? "!" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_ANCIENT) ? "~" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_STALE) ? "#" : " ", + ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) ? "X" : " ", + type, (unsigned)value); +#endif /* if debug */ + if ((attributes & DNS_RDATASTATSTYPE_ATTR_ANCIENT) != 0) { + assert_int_equal(value, 1); + } else { + assert_int_equal(value, 0); + } +} +/* + * Individual unit tests + */ + +/* + * Test that rdatasetstats counters are properly set when moving from + * active -> stale -> ancient. + */ +static void +rdatasetstats(void **state, bool servestale) { + unsigned int i; + unsigned int from = 0; + dns_stats_t *stats = NULL; + isc_result_t result; + + UNUSED(state); + + result = dns_rdatasetstats_create(dt_mctx, &stats); + assert_int_equal(result, ISC_R_SUCCESS); + + /* First 255 types. */ + for (i = 1; i <= 255; i++) { + set_typestats(stats, (dns_rdatatype_t)i); + } + /* Specials */ + set_typestats(stats, (dns_rdatatype_t)1000); + set_nxdomainstats(stats); + + /* Check that all active counters are set to appropriately. */ + dns_rdatasetstats_dump(stats, verify_active_counters, NULL, 1); + + if (servestale) { + /* Mark stale */ + for (i = 1; i <= 255; i++) { + mark_stale(stats, (dns_rdatatype_t)i, 0, + DNS_RDATASTATSTYPE_ATTR_STALE); + } + mark_stale(stats, (dns_rdatatype_t)1000, 0, + DNS_RDATASTATSTYPE_ATTR_STALE); + mark_nxdomain_stale(stats, 0, DNS_RDATASTATSTYPE_ATTR_STALE); + + /* Check that all counters are set to appropriately. */ + dns_rdatasetstats_dump(stats, verify_stale_counters, NULL, 1); + + /* Set correct staleness state */ + from = DNS_RDATASTATSTYPE_ATTR_STALE; + } + + /* Mark ancient */ + for (i = 1; i <= 255; i++) { + mark_stale(stats, (dns_rdatatype_t)i, from, + DNS_RDATASTATSTYPE_ATTR_ANCIENT); + } + mark_stale(stats, (dns_rdatatype_t)1000, from, + DNS_RDATASTATSTYPE_ATTR_ANCIENT); + mark_nxdomain_stale(stats, from, DNS_RDATASTATSTYPE_ATTR_ANCIENT); + + /* + * Check that all counters are set to appropriately. + */ + dns_rdatasetstats_dump(stats, verify_ancient_counters, NULL, 1); + + dns_stats_detach(&stats); +} + +/* + * Test that rdatasetstats counters are properly set when moving from + * active -> stale -> ancient. + */ +static void +test_rdatasetstats_active_stale_ancient(void **state) { + rdatasetstats(state, true); +} + +/* + * Test that rdatasetstats counters are properly set when moving from + * active -> ancient. + */ +static void +test_rdatasetstats_active_ancient(void **state) { + rdatasetstats(state, false); +} + +int +main(void) { + const struct CMUnitTest tests[] = { + cmocka_unit_test_setup_teardown( + test_rdatasetstats_active_stale_ancient, _setup, + _teardown), + cmocka_unit_test_setup_teardown( + test_rdatasetstats_active_ancient, _setup, _teardown), + }; + + return (cmocka_run_group_tests(tests, NULL, NULL)); +} + +#else /* HAVE_CMOCKA */ + +#include <stdio.h> + +int +main(void) { + printf("1..0 # Skipped: cmocka not available\n"); + return (SKIPPED_TEST_EXIT_CODE); +} + +#endif /* if HAVE_CMOCKA */ |