Code

t/unit/core/timeseries_test: Add minimalistic test for timeseries.
[sysdb.git] / t / unit / core / store_json_test.c
index 091a48b5519b44663d5493813780fc469fbe5e9d..ea33ea8416b085a3dbac9eb1b3685ba2540a62a1 100644 (file)
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "core/store.h"
-#include "libsysdb_test.h"
+#if HAVE_CONFIG_H
+#      include "config.h"
+#endif
 
-#include <assert.h>
+#include "core/memstore.h"
+#include "core/store.h"
+#include "testutils.h"
 
 #include <check.h>
 #include <stdlib.h>
 
+/* Make SDB_INTERVAL_SECOND a constant initializer. */
+#undef SDB_INTERVAL_SECOND
+#define SDB_INTERVAL_SECOND 1000000000L
+
+static sdb_memstore_t *store;
+
 static void
 populate(void)
 {
        sdb_data_t datum;
 
-       sdb_store_host("h1", 1);
-       sdb_store_host("h2", 3);
+       store = sdb_memstore_create();
+       ck_assert(store != NULL);
+
+       sdb_memstore_host(store, "h1", 1 * SDB_INTERVAL_SECOND, 0);
+       sdb_memstore_host(store, "h2", 3 * SDB_INTERVAL_SECOND, 0);
 
        datum.type = SDB_TYPE_STRING;
        datum.data.string = "v1";
-       sdb_store_attribute("h1", "k1", &datum, 1);
+       sdb_memstore_attribute(store, "h1", "k1", &datum, 1 * SDB_INTERVAL_SECOND, 0);
        datum.data.string = "v2";
-       sdb_store_attribute("h1", "k2", &datum, 2);
+       sdb_memstore_attribute(store, "h1", "k2", &datum, 2 * SDB_INTERVAL_SECOND, 0);
        datum.data.string = "v3";
-       sdb_store_attribute("h1", "k3", &datum, 2);
+       sdb_memstore_attribute(store, "h1", "k3", &datum, 2 * SDB_INTERVAL_SECOND, 0);
 
+/* TODO: move these tests into generic store tests */
+#if 0
        /* make sure that older updates don't overwrite existing values */
        datum.data.string = "fail";
-       sdb_store_attribute("h1", "k2", &datum, 1);
-       sdb_store_attribute("h1", "k3", &datum, 2);
+       sdb_memstore_attribute(store, "h1", "k2", &datum, 1 * SDB_INTERVAL_SECOND, 0);
+       sdb_memstore_attribute(store, "h1", "k3", &datum, 2 * SDB_INTERVAL_SECOND, 0);
+#endif
 
-       sdb_store_metric("h1", "m1", /* store */ NULL, 2);
-       sdb_store_metric("h1", "m2", /* store */ NULL, 1);
-       sdb_store_metric("h2", "m1", /* store */ NULL, 1);
+       sdb_memstore_metric(store, "h1", "m1", /* store */ NULL, 2 * SDB_INTERVAL_SECOND, 0);
+       sdb_memstore_metric(store, "h1", "m2", /* store */ NULL, 1 * SDB_INTERVAL_SECOND, 0);
+       sdb_memstore_metric(store, "h2", "m1", /* store */ NULL, 1 * SDB_INTERVAL_SECOND, 0);
 
-       sdb_store_service("h2", "s1", 1);
-       sdb_store_service("h2", "s2", 2);
+       sdb_memstore_service(store, "h2", "s1", 1 * SDB_INTERVAL_SECOND, 0);
+       sdb_memstore_service(store, "h2", "s2", 2 * SDB_INTERVAL_SECOND, 0);
 
        datum.type = SDB_TYPE_INTEGER;
        datum.data.integer = 42;
-       sdb_store_metric_attr("h1", "m1", "k3", &datum, 2);
+       sdb_memstore_metric_attr(store, "h1", "m1", "k3",
+                       &datum, 2 * SDB_INTERVAL_SECOND, 0);
 
        datum.data.integer = 123;
-       sdb_store_service_attr("h2", "s2", "k1", &datum, 2);
+       sdb_memstore_service_attr(store, "h2", "s2", "k1",
+                       &datum, 2 * SDB_INTERVAL_SECOND, 0);
        datum.data.integer = 4711;
-       sdb_store_service_attr("h2", "s2", "k2", &datum, 1);
-
-       /* don't overwrite k1 */
-       datum.data.integer = 666;
-       sdb_store_service_attr("h2", "s2", "k1", &datum, 2);
+       sdb_memstore_service_attr(store, "h2", "s2", "k2",
+                       &datum, 1 * SDB_INTERVAL_SECOND, 0);
 } /* populate */
 
+static void
+turndown(void)
+{
+       sdb_object_deref(SDB_OBJ(store));
+       store = NULL;
+} /* turndown */
+
 static int
-scan_tojson(sdb_store_obj_t *obj,
-               sdb_store_matcher_t __attribute__((unused)) *filter,
+scan_tojson(sdb_memstore_obj_t *obj,
+               sdb_memstore_matcher_t __attribute__((unused)) *filter,
                void *user_data)
 {
-       sdb_store_json_formatter_t *f = user_data;
-       return sdb_store_json_emit(f, obj);
+       return sdb_memstore_emit(obj, &sdb_store_json_writer, user_data);
 } /* scan_tojson */
 
 static int
-scan_tojson_full(sdb_store_obj_t *obj, sdb_store_matcher_t *filter,
+scan_tojson_full(sdb_memstore_obj_t *obj, sdb_memstore_matcher_t *filter,
                void *user_data)
 {
-       sdb_store_json_formatter_t *f = user_data;
-       return sdb_store_json_emit_full(f, obj, filter);
+       return sdb_memstore_emit_full(obj, filter, &sdb_store_json_writer, user_data);
 } /* scan_tojson_full */
 
 static void
 verify_json_output(sdb_strbuf_t *buf, const char *expected)
 {
-       const char *got = sdb_strbuf_string(buf);
-       size_t len1 = strlen(got);
-       size_t len2 = strlen(expected);
-
-       size_t i;
-       int pos = -1;
+       sdb_diff_strings("Serializing hosts to JSON returned unexpected result",
+                       sdb_strbuf_string(buf), expected);
+} /* verify_json_output */
 
-       if (len1 != len2)
-               pos = (int)SDB_MIN(len1, len2);
+struct {
+       struct {
+               sdb_memstore_matcher_t *(*m)(sdb_memstore_expr_t *, sdb_memstore_expr_t *);
+               int field;
+               sdb_data_t value;
+       } filter;
+       int type;
+       int (*f)(sdb_memstore_obj_t *, sdb_memstore_matcher_t *, void *);
+       const char *expected;
+} store_tojson_data[] = {
+       { { NULL, 0, SDB_DATA_INIT },
+               SDB_HOST, scan_tojson_full,
+               "["
+                       "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": [], "
+                               "\"attributes\": ["
+                                       "{\"name\": \"k1\", \"value\": \"v1\", "
+                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []},"
+                                       "{\"name\": \"k2\", \"value\": \"v2\", "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []},"
+                                       "{\"name\": \"k3\", \"value\": \"v3\", "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "], "
+                               "\"metrics\": ["
+                                       "{\"name\": \"m1\", "
+                                               "\"timeseries\": false, "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": [], "
+                                               "\"attributes\": ["
+                                                       "{\"name\": \"k3\", \"value\": 42, "
+                                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                                               "]},"
+                                       "{\"name\": \"m2\", "
+                                               "\"timeseries\": false, "
+                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "]},"
+                       "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": [], "
+                               "\"metrics\": ["
+                                       "{\"name\": \"m1\", "
+                                               "\"timeseries\": false, "
+                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "], "
+                               "\"services\": ["
+                                       "{\"name\": \"s1\", "
+                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []},"
+                                       "{\"name\": \"s2\", "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": [], "
+                                               "\"attributes\": ["
+                                                       "{\"name\": \"k1\", \"value\": 123, "
+                                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                                               "\"update_interval\": \"0s\", \"backends\": []},"
+                                                       "{\"name\": \"k2\", \"value\": 4711, "
+                                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                                               "]}"
+                               "]}"
+               "]" },
+       { { NULL, 0, SDB_DATA_INIT },
+               SDB_HOST, scan_tojson,
+               "["
+                       "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []},"
+                       "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []}"
+               "]" },
+       { { sdb_memstore_eq_matcher, SDB_FIELD_NAME,
+                       { SDB_TYPE_STRING, { .string = "h1" } } },
+               SDB_HOST, scan_tojson_full,
+               "["
+                       "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []}"
+               "]" },
+       { { sdb_memstore_gt_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
+               SDB_HOST, scan_tojson_full,
+               "["
+                       "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": [], "
+                               "\"services\": ["
+                                       "{\"name\": \"s2\", "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": [], "
+                                               "\"attributes\": ["
+                                                       "{\"name\": \"k1\", \"value\": 123, "
+                                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                                               "]}"
+                               "]}"
+               "]" },
+       { { sdb_memstore_le_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
+               SDB_HOST, scan_tojson_full,
+               "["
+                       "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": [], "
+                               "\"attributes\": ["
+                                       "{\"name\": \"k1\", \"value\": \"v1\", "
+                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "], "
+                               "\"metrics\": ["
+                                       "{\"name\": \"m2\", "
+                                               "\"timeseries\": false, "
+                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "]}"
+               "]" },
+       { { sdb_memstore_ge_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 3 * SDB_INTERVAL_SECOND } } },
+               SDB_HOST, scan_tojson_full,
+               "["
+                       "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []}"
+               "]" },
+       { { sdb_memstore_lt_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 0 } } },
+               SDB_HOST, scan_tojson_full,
+               "[]" },
+
+       { { NULL, 0, SDB_DATA_INIT },
+               SDB_SERVICE, scan_tojson_full,
+               "["
+                       "{\"name\": \"s1\", "
+                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []},"
+                       "{\"name\": \"s2\", "
+                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": [], "
+                               "\"attributes\": ["
+                                       "{\"name\": \"k1\", \"value\": 123, "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []},"
+                                       "{\"name\": \"k2\", \"value\": 4711, "
+                                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "]}"
+               "]" },
+       { { NULL, 0, SDB_DATA_INIT },
+               SDB_SERVICE, scan_tojson,
+               "["
+                       "{\"name\": \"s1\", "
+                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []},"
+                       "{\"name\": \"s2\", "
+                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []}"
+               "]" },
+       { { sdb_memstore_gt_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
+               SDB_SERVICE, scan_tojson_full,
+               "["
+                       "{\"name\": \"s2\", "
+                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": [], "
+                               "\"attributes\": ["
+                                       "{\"name\": \"k1\", \"value\": 123, "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "]}"
+               "]" },
+       { { sdb_memstore_lt_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 0 } } },
+               SDB_SERVICE, scan_tojson_full,
+               "[]" },
+       { { NULL, 0, SDB_DATA_INIT },
+               SDB_METRIC, scan_tojson_full,
+               "["
+                       "{\"name\": \"m1\", "
+                               "\"timeseries\": false, "
+                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": [], "
+                               "\"attributes\": ["
+                                       "{\"name\": \"k3\", \"value\": 42, "
+                                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                                               "\"update_interval\": \"0s\", \"backends\": []}"
+                               "]},"
+                       "{\"name\": \"m2\", "
+                               "\"timeseries\": false, "
+                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []},"
+                       "{\"name\": \"m1\", "
+                               "\"timeseries\": false, "
+                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []}"
+               "]" },
+       { { NULL, 0, SDB_DATA_INIT },
+               SDB_METRIC, scan_tojson,
+               "["
+                       "{\"name\": \"m1\", "
+                               "\"timeseries\": false, "
+                               "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []},"
+                       "{\"name\": \"m2\", "
+                               "\"timeseries\": false, "
+                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []},"
+                       "{\"name\": \"m1\", "
+                               "\"timeseries\": false, "
+                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []}"
+               "]" },
+       { { sdb_memstore_le_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
+               SDB_METRIC, scan_tojson_full,
+               "["
+                       "{\"name\": \"m2\", "
+                               "\"timeseries\": false, "
+                               "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
+                               "\"update_interval\": \"0s\", \"backends\": []}"
+               "]" },
+       { { sdb_memstore_lt_matcher, SDB_FIELD_LAST_UPDATE,
+                       { SDB_TYPE_DATETIME, { .datetime = 0 } } },
+               SDB_METRIC, scan_tojson_full,
+               "[]" },
+};
 
-       for (i = 0; i < SDB_MIN(len1, len2); ++i) {
-               if (got[i] != expected[i]) {
-                       pos = (int)i;
-                       break;
-               }
+START_TEST(test_store_tojson)
+{
+       sdb_strbuf_t *buf = sdb_strbuf_create(0);
+       sdb_memstore_matcher_t *filter = NULL;
+       sdb_store_json_formatter_t *f;
+       int status;
+
+       if (store_tojson_data[_i].filter.m) {
+               sdb_memstore_expr_t *field;
+               sdb_memstore_expr_t *value;
+
+               field = sdb_memstore_expr_fieldvalue(store_tojson_data[_i].filter.field);
+               fail_unless(field != NULL,
+                               "INTERNAL ERROR: sdb_memstore_expr_fieldvalue() = NULL");
+               value = sdb_memstore_expr_constvalue(&store_tojson_data[_i].filter.value);
+               fail_unless(value != NULL,
+                               "INTERNAL ERROR: sdb_memstore_expr_constvalue() = NULL");
+
+               filter = store_tojson_data[_i].filter.m(field, value);
+               fail_unless(filter != NULL,
+                               "INTERNAL ERROR: sdb_memstore_*_matcher() = NULL");
+
+               sdb_object_deref(SDB_OBJ(field));
+               sdb_object_deref(SDB_OBJ(value));
        }
 
-       fail_unless(pos == -1,
-                       "Serializing hosts to JSON returned unexpected result\n"
-                       "         got: %s\n              %*s\n    expected: %s",
-                       got, pos + 1, "^", expected);
-} /* verify_json_output */
+       sdb_strbuf_clear(buf);
+       f = sdb_store_json_formatter(buf, store_tojson_data[_i].type, SDB_WANT_ARRAY);
+       ck_assert(f != NULL);
 
-START_TEST(test_store_tojson)
-{
-       sdb_strbuf_t *buf;
-       size_t i;
+       status = sdb_memstore_scan(store, store_tojson_data[_i].type,
+                       /* m = */ NULL, filter, store_tojson_data[_i].f, f);
+       fail_unless(status == 0,
+                       "sdb_memstore_scan(HOST, ..., tojson) = %d; expected: 0",
+                       status);
+       sdb_store_json_finish(f);
 
-       struct {
-               struct {
-                       sdb_store_matcher_t *(*m)(sdb_store_expr_t *,
-                                       sdb_store_expr_t *);
-                       int field;
-                       sdb_data_t value;
-               } filter;
-               int type;
-               int (*f)(sdb_store_obj_t *, sdb_store_matcher_t *, void *);
-               const char *expected;
-       } golden_data[] = {
-               { { NULL, 0, SDB_DATA_INIT },
-                       SDB_HOST, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"attributes\": ["
-                                               "{\"name\": \"k1\", \"value\": \"v1\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                               "{\"name\": \"k2\", \"value\": \"v2\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                               "{\"name\": \"k3\", \"value\": \"v3\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m1\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                                       "\"attributes\": ["
-                                                               "{\"name\": \"k3\", \"value\": 42, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                                       "]},"
-                                               "{\"name\": \"m2\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]},"
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m1\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "], "
-                                       "\"services\": ["
-                                               "{\"name\": \"s1\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                               "{\"name\": \"s2\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                                       "\"attributes\": ["
-                                                               "{\"name\": \"k1\", \"value\": 123, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                                               "{\"name\": \"k2\", \"value\": 4711, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                                       "]}"
-                                       "]}"
-                       "]" },
-               { { NULL, 0, SDB_DATA_INIT },
-                       SDB_HOST, scan_tojson,
-                       "["
-                               "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                       "]" },
-               { { sdb_store_eq_matcher, SDB_FIELD_NAME,
-                               { SDB_TYPE_STRING, { .string = "h1" } } },
-                       SDB_HOST, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                       "]" },
-               { { sdb_store_gt_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 1 } } },
-                       SDB_HOST, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"services\": ["
-                                               "{\"name\": \"s2\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                                       "\"attributes\": ["
-                                                               "{\"name\": \"k1\", \"value\": 123, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                                       "]}"
-                                       "]}"
-                       "]" },
-               { { sdb_store_le_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 1 } } },
-                       SDB_HOST, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"attributes\": ["
-                                               "{\"name\": \"k1\", \"value\": \"v1\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m2\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]}"
-                       "]" },
-               { { sdb_store_ge_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 3 } } },
-                       SDB_HOST, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                       "]" },
-               { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 0 } } },
-                       SDB_HOST, scan_tojson_full,
-                       "[]" },
-
-               { { NULL, 0, SDB_DATA_INIT },
-                       SDB_SERVICE, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"services\": ["
-                                               "{\"name\": \"s1\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                               "{\"name\": \"s2\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                                       "\"attributes\": ["
-                                                               "{\"name\": \"k1\", \"value\": 123, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                                               "{\"name\": \"k2\", \"value\": 4711, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                                       "]}"
-                                       "]}"
-                       "]" },
-               { { NULL, 0, SDB_DATA_INIT },
-                       SDB_SERVICE, scan_tojson,
-                       "["
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"services\": ["
-                                               "{\"name\": \"s1\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                               "{\"name\": \"s2\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]}"
-                       "]" },
-               { { sdb_store_gt_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 1 } } },
-                       SDB_SERVICE, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"services\": ["
-                                               "{\"name\": \"s2\", "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                                       "\"attributes\": ["
-                                                               "{\"name\": \"k1\", \"value\": 123, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                                       "]}"
-                                       "]}"
-                       "]" },
-               { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 0 } } },
-                       SDB_SERVICE, scan_tojson_full,
-                       "[]" },
-               { { NULL, 0, SDB_DATA_INIT },
-                       SDB_METRIC, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m1\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                                       "\"attributes\": ["
-                                                               "{\"name\": \"k3\", \"value\": 42, "
-                                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                                       "]},"
-                                               "{\"name\": \"m2\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]},"
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m1\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]}"
-                       "]" },
-               { { NULL, 0, SDB_DATA_INIT },
-                       SDB_METRIC, scan_tojson,
-                       "["
-                               "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m1\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []},"
-                                               "{\"name\": \"m2\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]},"
-                               "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m1\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]}"
-                       "]" },
-               { { sdb_store_le_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 1 } } },
-                       SDB_METRIC, scan_tojson_full,
-                       "["
-                               "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                       "\"update_interval\": \"0s\", \"backends\": [], "
-                                       "\"metrics\": ["
-                                               "{\"name\": \"m2\", "
-                                                       "\"timeseries\": false, "
-                                                       "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
-                                                       "\"update_interval\": \"0s\", \"backends\": []}"
-                                       "]}"
-                       "]" },
-               { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
-                               { SDB_TYPE_DATETIME, { .datetime = 0 } } },
-                       SDB_METRIC, scan_tojson_full,
-                       "[]" },
-       };
-
-       buf = sdb_strbuf_create(0);
-       fail_unless(buf != NULL, "INTERNAL ERROR: failed to create string buffer");
-       populate();
-
-       for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
-               sdb_store_matcher_t *filter = NULL;
-               sdb_store_json_formatter_t *f;
-               int status;
-
-               sdb_strbuf_clear(buf);
-
-               if (golden_data[i].filter.m) {
-                       sdb_store_expr_t *field;
-                       sdb_store_expr_t *value;
-
-                       field = sdb_store_expr_fieldvalue(golden_data[i].filter.field);
-                       fail_unless(field != NULL,
-                                       "INTERNAL ERROR: sdb_store_expr_fieldvalue() = NULL");
-                       value = sdb_store_expr_constvalue(&golden_data[i].filter.value);
-                       fail_unless(value != NULL,
-                                       "INTERNAL ERROR: sdb_store_expr_constvalue() = NULL");
-
-                       filter = golden_data[i].filter.m(field, value);
-                       fail_unless(filter != NULL,
-                                       "INTERNAL ERROR: sdb_store_*_matcher() = NULL");
-
-                       sdb_object_deref(SDB_OBJ(field));
-                       sdb_object_deref(SDB_OBJ(value));
-               }
-
-               sdb_strbuf_clear(buf);
-               f = sdb_store_json_formatter(buf,
-                               golden_data[i].type, SDB_WANT_ARRAY);
-               assert(f);
-
-               status = sdb_store_scan(golden_data[i].type, /* m = */ NULL, filter,
-                               golden_data[i].f, f);
-               fail_unless(status == 0,
-                               "sdb_store_scan(HOST, ..., tojson) = %d; expected: 0",
-                               status);
-               sdb_store_json_finish(f);
-
-               verify_json_output(buf, golden_data[i].expected);
-               free(f);
-               sdb_object_deref(SDB_OBJ(filter));
-       }
+       verify_json_output(buf, store_tojson_data[_i].expected);
+
+       sdb_object_deref(SDB_OBJ(filter));
+       sdb_object_deref(SDB_OBJ(f));
        sdb_strbuf_destroy(buf);
 }
 END_TEST
 
-Suite *
-core_store_json_suite(void)
+TEST_MAIN("core::store_json")
 {
-       Suite *s = suite_create("core::store_json");
-       TCase *tc;
-
-       tc = tcase_create("core");
-       tcase_add_test(tc, test_store_tojson);
-       tcase_add_unchecked_fixture(tc, NULL, sdb_store_clear);
-       suite_add_tcase(s, tc);
-
-       return s;
-} /* core_store_json_suite */
+       TCase *tc = tcase_create("core");
+       tcase_add_unchecked_fixture(tc, populate, turndown);
+       TC_ADD_LOOP_TEST(tc, store_tojson);
+       ADD_TCASE(tc);
+}
+TEST_MAIN_END
 
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */