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-rw-r--r--tests/libknot/test_db.c287
1 files changed, 287 insertions, 0 deletions
diff --git a/tests/libknot/test_db.c b/tests/libknot/test_db.c
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+/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <tap/basic.h>
+#include <tap/files.h>
+
+#include "contrib/string.h"
+#include "libknot/libknot.h"
+#include "contrib/mempattern.h"
+#include "contrib/openbsd/strlcpy.h"
+#include "contrib/ucw/mempool.h"
+
+/* UCW array sorting defines. */
+#define ASORT_PREFIX(X) str_key_##X
+#define ASORT_KEY_TYPE char*
+#define ASORT_LT(x, y) (strcmp((x), (y)) < 0)
+#include "contrib/ucw/array-sort.h"
+
+/* Constants. */
+#define KEY_MAXLEN 64
+#define KEY_SET(key, str) key.data = (str); key.len = strlen(str) + 1
+
+/*! \brief Generate random key. */
+static const char *alphabet = "abcdefghijklmn0123456789";
+static char *str_key_rand(size_t len, knot_mm_t *pool)
+{
+ char *s = mm_alloc(pool, len);
+ memset(s, 0, len);
+ for (unsigned i = 0; i < len - 1; ++i) {
+ s[i] = alphabet[rand() % strlen(alphabet)];
+ }
+ return s;
+}
+
+static void knot_db_test_set(unsigned nkeys, char **keys, void *opts,
+ const knot_db_api_t *api, knot_mm_t *pool)
+{
+ if (api == NULL) {
+ skip("API not compiled in");
+ return;
+ }
+
+ /* Create database */
+ knot_db_t *db = NULL;
+ int ret = api->init(&db, pool, opts);
+ ok(ret == KNOT_EOK && db != NULL, "%s: create", api->name);
+
+ /* Start WR transaction. */
+ knot_db_txn_t txn;
+ ret = api->txn_begin(db, &txn, 0);
+ is_int(KNOT_EOK, ret, "%s: txn_begin(WR)", api->name);
+
+ /* Insert keys */
+ knot_db_val_t key, val;
+ bool passed = true;
+ for (unsigned i = 0; i < nkeys; ++i) {
+ KEY_SET(key, keys[i]);
+ val.len = sizeof(void*);
+ val.data = &key.data;
+
+ ret = api->insert(&txn, &key, &val, 0);
+ if (ret != KNOT_EOK && ret != KNOT_EEXIST) {
+ passed = false;
+ break;
+ }
+ }
+ ok(passed, "%s: insert", api->name);
+
+ /* Commit WR transaction. */
+ ret = api->txn_commit(&txn);
+ is_int(KNOT_EOK, ret, "%s: txn_commit(WR)", api->name);
+
+ /* Start RD transaction. */
+ ret = api->txn_begin(db, &txn, KNOT_DB_RDONLY);
+ is_int(KNOT_EOK, ret, "%s: txn_begin(RD)", api->name);
+
+ /* Lookup all keys */
+ passed = true;
+ for (unsigned i = 0; i < nkeys; ++i) {
+ KEY_SET(key, keys[i]);
+
+ ret = api->find(&txn, &key, &val, 0);
+ if (ret != KNOT_EOK) {
+ passed = false;
+ break;
+ }
+
+ const char **stored_key = val.data;
+ if (strcmp(*stored_key, keys[i]) != 0) {
+ diag("%s: mismatch on element '%u'", api->name, i);
+ passed = false;
+ break;
+ }
+ }
+ ok(passed, "%s: lookup all keys", api->name);
+
+ /* Fetch dataset size. */
+ int db_size = api->count(&txn);
+ ok(db_size > 0 && db_size <= nkeys, "%s: count %d", api->name, db_size);
+
+ /* Unsorted iteration */
+ int iterated = 0;
+ knot_db_iter_t *it = api->iter_begin(&txn, 0);
+ while (it != NULL) {
+ ++iterated;
+ it = api->iter_next(it);
+ }
+ api->iter_finish(it);
+ is_int(db_size, iterated, "%s: unsorted iteration", api->name);
+
+ /* Sorted iteration. */
+ char first_key[KEY_MAXLEN] = { '\0' };
+ char second_key[KEY_MAXLEN] = { '\0' };
+ char last_key[KEY_MAXLEN] = { '\0' };
+ char key_buf[KEY_MAXLEN] = {'\0'};
+ iterated = 0;
+ memset(&key, 0, sizeof(key));
+ it = api->iter_begin(&txn, KNOT_DB_SORTED);
+ while (it != NULL) {
+ api->iter_key(it, &key);
+ if (iterated > 0) { /* Only if previous exists. */
+ if (strcmp(key_buf, key.data) > 0) {
+ diag("%s: iter_sort '%s' <= '%s' FAIL\n",
+ api->name, key_buf, (const char *)key.data);
+ break;
+ }
+ if (iterated == 1) {
+ memcpy(second_key, key.data, key.len);
+ }
+ } else {
+ memcpy(first_key, key.data, key.len);
+ }
+ ++iterated;
+ memcpy(key_buf, key.data, key.len);
+ it = api->iter_next(it);
+ }
+ strlcpy(last_key, key_buf, sizeof(last_key));
+ is_int(db_size, iterated, "%s: sorted iteration", api->name);
+ api->iter_finish(it);
+
+ /* Interactive iteration. */
+ it = api->iter_begin(&txn, KNOT_DB_NOOP);
+ if (it != NULL) { /* If supported. */
+ ret = 0;
+ /* Check if first and last keys are reachable */
+ it = api->iter_seek(it, NULL, KNOT_DB_FIRST);
+ ret += api->iter_key(it, &key);
+ is_string(first_key, key.data, "%s: iter_set(FIRST)", api->name);
+ /* Check left/right iteration. */
+ it = api->iter_seek(it, &key, KNOT_DB_NEXT);
+ ret += api->iter_key(it, &key);
+ is_string(second_key, key.data, "%s: iter_set(NEXT)", api->name);
+ it = api->iter_seek(it, &key, KNOT_DB_PREV);
+ ret += api->iter_key(it, &key);
+ is_string(first_key, key.data, "%s: iter_set(PREV)", api->name);
+ it = api->iter_seek(it, &key, KNOT_DB_LAST);
+ ret += api->iter_key(it, &key);
+ is_string(last_key, key.data, "%s: iter_set(LAST)", api->name);
+ /* Check if prev(last_key + 1) is the last_key */
+ strlcpy(key_buf, last_key, sizeof(key_buf));
+ key_buf[0] += 1;
+ KEY_SET(key, key_buf);
+ it = api->iter_seek(it, &key, KNOT_DB_LEQ);
+ ret += api->iter_key(it, &key);
+ is_string(last_key, key.data, "%s: iter_set(LEQ)", api->name);
+ /* Check if next(first_key - 1) is the first_key */
+ strlcpy(key_buf, first_key, sizeof(key_buf));
+ key_buf[0] -= 1;
+ KEY_SET(key, key_buf);
+ it = api->iter_seek(it, &key, KNOT_DB_GEQ);
+ ret += api->iter_key(it, &key);
+ is_string(first_key, key.data, "%s: iter_set(GEQ)", api->name);
+ api->iter_finish(it);
+ is_int(ret, 0, "%s: iter_* error codes", api->name);
+ }
+ api->txn_abort(&txn);
+
+ /* Deleting during iteration. */
+ const uint8_t DEL_MAX_CNT = 3;
+ api->txn_begin(db, &txn, 0);
+ api->clear(&txn);
+ for (uint8_t i = 0; i < DEL_MAX_CNT; ++i) {
+ key.data = &i;
+ key.len = sizeof(i);
+ val.data = NULL;
+ val.len = 0;
+
+ ret = api->insert(&txn, &key, &val, 0);
+ is_int(KNOT_EOK, ret, "%s: add key '%u'", api->name, i);
+ }
+ it = api->iter_begin(&txn, KNOT_DB_NOOP);
+ if (it != NULL) { /* If supported. */
+ is_int(DEL_MAX_CNT, api->count(&txn), "%s: key count before", api->name);
+ it = api->iter_seek(it, NULL, KNOT_DB_FIRST);
+ uint8_t pos = 0;
+ while (it != NULL) {
+ ret = api->iter_key(it, &key);
+ is_int(KNOT_EOK, ret, "%s: iter key before del", api->name);
+ is_int(pos, ((uint8_t *)(key.data))[0], "%s: iter compare key '%u'",
+ api->name, pos);
+
+ ret = knot_db_lmdb_iter_del(it);
+ is_int(KNOT_EOK, ret, "%s: iter del", api->name);
+
+ it = api->iter_next(it);
+
+ ret = api->iter_key(it, &key);
+ if (++pos < DEL_MAX_CNT) {
+ is_int(KNOT_EOK, ret, "%s: iter key after del", api->name);
+ is_int(pos, ((uint8_t *)key.data)[0], "%s: iter compare key '%u",
+ api->name, pos);
+ } else {
+ is_int(KNOT_EINVAL, ret, "%s: iter key after del", api->name);
+ }
+ }
+ api->iter_finish(it);
+ is_int(0, api->count(&txn), "%s: key count after", api->name);
+ }
+ api->txn_abort(&txn);
+
+ /* Clear database and recheck. */
+ ret = api->txn_begin(db, &txn, 0);
+ ret += api->clear(&txn);
+ ret += api->txn_commit(&txn);
+ is_int(0, ret, "%s: clear()", api->name);
+
+ /* Check if the database is empty. */
+ api->txn_begin(db, &txn, KNOT_DB_RDONLY);
+ db_size = api->count(&txn);
+ is_int(0, db_size, "%s: count after clear = %d", api->name, db_size);
+ api->txn_abort(&txn);
+
+ api->deinit(db);
+}
+
+int main(int argc, char *argv[])
+{
+ plan_lazy();
+
+ knot_mm_t pool;
+ mm_ctx_mempool(&pool, MM_DEFAULT_BLKSIZE);
+
+ char *dbid = test_mkdtemp();
+ ok(dbid != NULL, "make temporary directory");
+
+ /* Random keys. */
+ unsigned nkeys = 10000;
+ char **keys = mm_alloc(&pool, sizeof(char*) * nkeys);
+ for (unsigned i = 0; i < nkeys; ++i) {
+ keys[i] = str_key_rand(KEY_MAXLEN, &pool);
+ }
+
+ /* Sort random keys. */
+ str_key_sort(keys, nkeys);
+
+ /* Execute test set for all backends. */
+ struct knot_db_lmdb_opts lmdb_opts = KNOT_DB_LMDB_OPTS_INITIALIZER;
+ lmdb_opts.path = dbid;
+ struct knot_db_trie_opts trie_opts = KNOT_DB_TRIE_OPTS_INITIALIZER;
+ knot_db_test_set(nkeys, keys, &lmdb_opts, knot_db_lmdb_api(), &pool);
+ knot_db_test_set(nkeys, keys, &trie_opts, knot_db_trie_api(), &pool);
+
+ /* Cleanup. */
+ mp_delete(pool.ctx);
+ test_rm_rf(dbid);
+ free(dbid);
+
+ return 0;
+}
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