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Merge branch 'persistent_ha' into scheduler

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This commit is contained in:
Rongsong Shen 2026-05-12 10:52:46 +00:00
commit a07a74a943
106 changed files with 18528 additions and 637 deletions
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10
src/lib/testsuite/test.c
View file

@ -29,6 +29,11 @@ extern void test_jobobj(void);
extern void test_qobj(void);
extern void test_wobj(void);
extern void test_request(void);
extern void test_zarray_cow(void);
extern void test_kvmgr_capture(void);
extern void test_hooks(void);
extern void test_cluster(void);
extern void test_cluster_parse(void);
void setUp(void) { return; }
@ -127,6 +132,11 @@ int main(int argc, char* argv[])
TEST(test_wobj);
TEST(test_qobj);
TEST(test_request);
TEST(test_zarray_cow);
TEST(test_kvmgr_capture);
TEST(test_hooks);
TEST(test_cluster);
TEST(test_cluster_parse);
return UNITY_END();
}

181
src/lib/testsuite/test_cluster.c Normal file
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@ -0,0 +1,181 @@
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unity/unity.h>
#include "xce/cluster.h"
/* ── Test seam: mock connect function ───────────────────────────── */
static int s_connect_call_count = 0;
static int s_connect_fail_n = 0; /* fail first N attempts, then succeed */
static char s_last_host[256] = "";
static int s_last_port = 0;
static void* mock_connect(const char* host, int port, const char* ca_cert)
{
(void)ca_cert;
strncpy(s_last_host, host, sizeof(s_last_host) - 1);
s_last_port = port;
s_connect_call_count++;
if (s_connect_call_count <= s_connect_fail_n)
return NULL;
return (void*)0xDEADBEEF; /* non-NULL = success */
}
static xce_cluster_config_t make_valid_config(void)
{
xce_cluster_config_t cfg = {0};
strncpy(cfg.candidates[0].hostname, "10.0.1.1",
XCE_MAXHOSTNAME_LEN - 1);
cfg.candidates[0].port = 7000;
strncpy(cfg.candidates[1].hostname, "10.0.1.2",
XCE_MAXHOSTNAME_LEN - 1);
cfg.candidates[1].port = 7001;
cfg.candidates_count = 2;
strncpy(cfg.ca_cert_path, "/etc/xce/ca.pem",
sizeof(cfg.ca_cert_path) - 1);
strncpy(cfg.identity, "worker-01", sizeof(cfg.identity) - 1);
return cfg;
}
/* ── Test cases ─────────────────────────────────────────────────── */
/* Test 1: validate rejects empty config */
static void test_validate_rejects_zero_candidates(void)
{
xce_cluster_config_t cfg = {0};
cfg.candidates_count = 0;
TEST_ASSERT_NOT_EQUAL(0, xce_cluster_config_validate(&cfg));
printf("test_validate_rejects_zero_candidates: PASS\n");
}
/* Test 2: validate rejects too many candidates */
static void test_validate_rejects_over_max_candidates(void)
{
xce_cluster_config_t cfg = {0};
cfg.candidates_count = MAX_HA_CANDIDATES + 1;
TEST_ASSERT_NOT_EQUAL(0, xce_cluster_config_validate(&cfg));
printf("test_validate_rejects_over_max_candidates: PASS\n");
}
/* Test 3: validate rejects missing identity */
static void test_validate_rejects_empty_identity(void)
{
xce_cluster_config_t cfg = make_valid_config();
cfg.identity[0] = '\0';
TEST_ASSERT_NOT_EQUAL(0, xce_cluster_config_validate(&cfg));
printf("test_validate_rejects_empty_identity: PASS\n");
}
/* Test 4: validate accepts valid config */
static void test_validate_accepts_valid_config(void)
{
xce_cluster_config_t cfg = make_valid_config();
TEST_ASSERT_EQUAL_INT(0, xce_cluster_config_validate(&cfg));
printf("test_validate_accepts_valid_config: PASS\n");
}
/* Test 5: connect succeeds on first candidate */
static void test_connect_succeeds_first_candidate(void)
{
xce_cluster_config_t cfg = make_valid_config();
s_connect_call_count = 0;
s_connect_fail_n = 0;
xce_cluster_set_connect_fn(mock_connect);
void* ep = xce_connect_cluster(&cfg);
TEST_ASSERT_NOT_NULL(ep);
TEST_ASSERT_EQUAL_INT(1, s_connect_call_count);
TEST_ASSERT_EQUAL_STRING("10.0.1.1", s_last_host);
TEST_ASSERT_EQUAL_INT(7000, s_last_port);
xce_cluster_set_connect_fn(NULL);
printf("test_connect_succeeds_first_candidate: PASS\n");
}
/* Test 6: connect falls back to second candidate when first fails */
static void test_connect_fallback_to_second_candidate(void)
{
xce_cluster_config_t cfg = make_valid_config();
s_connect_call_count = 0;
s_connect_fail_n = 1; /* first attempt fails */
xce_cluster_set_connect_fn(mock_connect);
void* ep = xce_connect_cluster(&cfg);
TEST_ASSERT_NOT_NULL(ep);
TEST_ASSERT_EQUAL_INT(2, s_connect_call_count);
TEST_ASSERT_EQUAL_STRING("10.0.1.2", s_last_host);
xce_cluster_set_connect_fn(NULL);
printf("test_connect_fallback_to_second_candidate: PASS\n");
}
/* Test 7: connect returns NULL when all candidates fail */
static void test_connect_returns_null_all_fail(void)
{
xce_cluster_config_t cfg = make_valid_config();
s_connect_call_count = 0;
s_connect_fail_n = 999; /* all fail */
xce_cluster_set_connect_fn(mock_connect);
void* ep = xce_connect_cluster(&cfg);
TEST_ASSERT_NULL(ep);
xce_cluster_set_connect_fn(NULL);
printf("test_connect_returns_null_all_fail: PASS\n");
}
/* Test 8: reconnect state machine — IDLE → CONNECTING → CONNECTED */
static void test_reconnect_step_reaches_connected(void)
{
xce_cluster_config_t cfg = make_valid_config();
xce_reconnect_ctx_t rctx;
s_connect_call_count = 0;
s_connect_fail_n = 0;
xce_cluster_set_connect_fn(mock_connect);
xce_reconnect_init(&rctx, &cfg);
TEST_ASSERT_EQUAL_INT(XCE_RECONNECT_IDLE, (int)rctx.state);
int steps = 0;
while (rctx.state != XCE_RECONNECT_CONNECTED &&
rctx.state != XCE_RECONNECT_FAILED && steps < 100) {
xce_reconnect_step(&rctx);
steps++;
}
TEST_ASSERT_EQUAL_INT(XCE_RECONNECT_CONNECTED, (int)rctx.state);
TEST_ASSERT_NOT_NULL(rctx.endpoint);
xce_reconnect_fini(&rctx);
xce_cluster_set_connect_fn(NULL);
printf("test_reconnect_step_reaches_connected: PASS\n");
}
/* Test 9: reconnect state machine backs off on failure */
static void test_reconnect_step_backs_off_on_failure(void)
{
xce_cluster_config_t cfg = make_valid_config();
cfg.candidates_count = 1; /* only one candidate so it hits backoff */
xce_reconnect_ctx_t rctx;
s_connect_call_count = 0;
s_connect_fail_n = 999; /* always fail */
xce_cluster_set_connect_fn(mock_connect);
xce_reconnect_init(&rctx, &cfg);
xce_reconnect_step(&rctx); /* IDLE → CONNECTING (attempt connect) */
xce_reconnect_step(&rctx); /* CONNECTING → BACKOFF (all candidates exhausted) */
/* When mock is set, sleep is skipped — state must be BACKOFF */
TEST_ASSERT_EQUAL_INT(XCE_RECONNECT_BACKOFF, (int)rctx.state);
TEST_ASSERT_TRUE(rctx.backoff_ms > 0);
xce_reconnect_fini(&rctx);
xce_cluster_set_connect_fn(NULL);
printf("test_reconnect_step_backs_off_on_failure: PASS\n");
}
/* ── Test group entry point ─────────────────────────────────────── */
void test_cluster(void)
{
RUN_TEST(test_validate_rejects_zero_candidates);
RUN_TEST(test_validate_rejects_over_max_candidates);
RUN_TEST(test_validate_rejects_empty_identity);
RUN_TEST(test_validate_accepts_valid_config);
RUN_TEST(test_connect_succeeds_first_candidate);
RUN_TEST(test_connect_fallback_to_second_candidate);
RUN_TEST(test_connect_returns_null_all_fail);
RUN_TEST(test_reconnect_step_reaches_connected);
RUN_TEST(test_reconnect_step_backs_off_on_failure);
}

160
src/lib/testsuite/test_cluster_parse.c Normal file
View file

@ -0,0 +1,160 @@
/* test_cluster_parse.c — unit tests for the parse_peers() helper used by
* worker and scheduler main.c (P2.5-5 / P2.5-6).
*
* The parser is a static function in the respective main.c files. To keep
* the test self-contained we duplicate a simplified reference implementation
* here and test the same contract. Integration with the real binaries is
* covered by the build (both must compile).
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unity/unity.h>
#include "xce/cluster.h"
/* ── Reference implementation of parse_peers (mirrors worker/main.c) ─── */
static int parse_peers_local(const char* peers_str, xce_cluster_config_t* cfg)
{
cfg->candidates_count = 0;
if (!peers_str || peers_str[0] == '\0')
return -1;
char buf[2048];
strncpy(buf, peers_str, sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
char* saveptr;
char* tok = strtok_r(buf, ",", &saveptr);
while (tok && cfg->candidates_count < MAX_HA_CANDIDATES) {
/* Format: name=host:port OR host:port */
char* eq = strchr(tok, '=');
char* addr = eq ? eq + 1 : tok;
char* colon = strrchr(addr, ':');
if (!colon)
return -1;
*colon = '\0';
strncpy(cfg->candidates[cfg->candidates_count].hostname, addr,
XCE_MAXHOSTNAME_LEN - 1);
cfg->candidates[cfg->candidates_count].hostname[XCE_MAXHOSTNAME_LEN - 1]
= '\0';
cfg->candidates[cfg->candidates_count].port = atoi(colon + 1);
cfg->candidates_count++;
tok = strtok_r(NULL, ",", &saveptr);
}
return cfg->candidates_count > 0 ? 0 : -1;
}
/* ── Test cases ─────────────────────────────────────────────────────── */
static void test_parse_peers_single(void)
{
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local("ctrl-1=10.0.1.1:7000", &cfg);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_INT(1, cfg.candidates_count);
TEST_ASSERT_EQUAL_STRING("10.0.1.1", cfg.candidates[0].hostname);
TEST_ASSERT_EQUAL_INT(7000, cfg.candidates[0].port);
printf("test_parse_peers_single: PASS\n");
}
static void test_parse_peers_multiple(void)
{
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local(
"ctrl-1=10.0.1.1:7000,ctrl-2=10.0.1.2:7001,ctrl-3=10.0.1.3:7002",
&cfg);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_INT(3, cfg.candidates_count);
TEST_ASSERT_EQUAL_STRING("10.0.1.2", cfg.candidates[1].hostname);
TEST_ASSERT_EQUAL_INT(7001, cfg.candidates[1].port);
TEST_ASSERT_EQUAL_STRING("10.0.1.3", cfg.candidates[2].hostname);
TEST_ASSERT_EQUAL_INT(7002, cfg.candidates[2].port);
printf("test_parse_peers_multiple: PASS\n");
}
static void test_parse_peers_no_name(void)
{
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local("10.0.1.1:7000,10.0.1.2:7001", &cfg);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_INT(2, cfg.candidates_count);
TEST_ASSERT_EQUAL_STRING("10.0.1.1", cfg.candidates[0].hostname);
TEST_ASSERT_EQUAL_INT(7000, cfg.candidates[0].port);
TEST_ASSERT_EQUAL_STRING("10.0.1.2", cfg.candidates[1].hostname);
TEST_ASSERT_EQUAL_INT(7001, cfg.candidates[1].port);
printf("test_parse_peers_no_name: PASS\n");
}
static void test_parse_peers_empty_returns_error(void)
{
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local("", &cfg);
TEST_ASSERT_NOT_EQUAL(0, rc);
printf("test_parse_peers_empty_returns_error: PASS\n");
}
static void test_parse_peers_null_returns_error(void)
{
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local(NULL, &cfg);
TEST_ASSERT_NOT_EQUAL(0, rc);
printf("test_parse_peers_null_returns_error: PASS\n");
}
static void test_parse_peers_missing_port_returns_error(void)
{
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local("ctrl-1=10.0.1.1", &cfg); /* no colon:port */
TEST_ASSERT_NOT_EQUAL(0, rc);
printf("test_parse_peers_missing_port_returns_error: PASS\n");
}
static void test_parse_peers_first_entry_parsed_correctly(void)
{
/* Verify the name= prefix is stripped and only addr:port is stored */
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local("primary=192.168.10.1:9000", &cfg);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_STRING("192.168.10.1", cfg.candidates[0].hostname);
TEST_ASSERT_EQUAL_INT(9000, cfg.candidates[0].port);
printf("test_parse_peers_first_entry_parsed_correctly: PASS\n");
}
static void test_parse_peers_respects_max_candidates(void)
{
/* Build a string with MAX_HA_CANDIDATES + 2 entries; only MAX accepted */
char big[2048] = "";
char entry[128] = "";
int n = MAX_HA_CANDIDATES + 2;
for (int i = 0; i < n; i++) {
snprintf(entry, sizeof(entry), "10.0.1.%d:%d", i + 1, 7000 + i);
if (i > 0)
strncat(big, ",", sizeof(big) - strlen(big) - 1);
strncat(big, entry, sizeof(big) - strlen(big) - 1);
}
xce_cluster_config_t cfg = {0};
int rc = parse_peers_local(big, &cfg);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_INT(MAX_HA_CANDIDATES, cfg.candidates_count);
printf("test_parse_peers_respects_max_candidates: PASS\n");
}
/* ── Test group entry point ─────────────────────────────────────────── */
void test_cluster_parse(void)
{
RUN_TEST(test_parse_peers_single);
RUN_TEST(test_parse_peers_multiple);
RUN_TEST(test_parse_peers_no_name);
RUN_TEST(test_parse_peers_empty_returns_error);
RUN_TEST(test_parse_peers_null_returns_error);
RUN_TEST(test_parse_peers_missing_port_returns_error);
RUN_TEST(test_parse_peers_first_entry_parsed_correctly);
RUN_TEST(test_parse_peers_respects_max_candidates);
}

22
src/lib/testsuite/test_config.c
View file

@ -27,6 +27,27 @@ static void test_array(void)
TEST_ASSERT_TRUE(MAX_ARRAY_IDX == 32767);
}
static void test_persistence_constants(void)
{
TEST_ASSERT_TRUE(MAX_STANDBYS == 3);
TEST_ASSERT_TRUE(MAX_HA_CANDIDATES == 4);
TEST_ASSERT_TRUE(WAL_FORMAT_VERSION == 1);
TEST_ASSERT_TRUE(WAL_ENTRY_TYPE_MAX == 100);
TEST_ASSERT_TRUE(MAX_WAL_PAYLOAD_BYTES == (1 << 20));
TEST_ASSERT_TRUE(MAX_SNAPSHOT_BYTES == (256 * 1024 * 1024));
TEST_ASSERT_TRUE(DEFAULT_WAL_SYNC_MS == 10);
TEST_ASSERT_TRUE(DEFAULT_SNAP_INTERVAL_S == 60);
TEST_ASSERT_TRUE(DEFAULT_SNAP_WAL_SIZE_MB == 64);
TEST_ASSERT_TRUE(DEFAULT_SNAP_KEEP_N == 2);
TEST_ASSERT_TRUE(DEFAULT_FINISHED_RETAIN_S == 3600);
TEST_ASSERT_TRUE(DEFAULT_WORKER_RETAIN_S == 86400);
TEST_ASSERT_TRUE(DEFAULT_SYNC_TIMEOUT_MS == 50);
TEST_ASSERT_TRUE(DEFAULT_HB_INTERVAL_MS == 3000);
TEST_ASSERT_TRUE(DEFAULT_TRANSIENT_JOB_TIMEOUT_S == 300);
TEST_ASSERT_TRUE(WAL_HDR_CRC_SIZE == 32);
TEST_ASSERT_TRUE(WAL_CRC_NONE == 0xFFFFFFFFu);
}
void test_config(void)
{
printf("\n>> config test\n\n");
@ -36,4 +57,5 @@ void test_config(void)
RUN_TEST(test_timestamp);
RUN_TEST(test_tag);
RUN_TEST(test_array);
RUN_TEST(test_persistence_constants);
}

15
src/lib/testsuite/test_delay.c
View file

@ -26,7 +26,7 @@ static void test_delay1()
int delay_period = 2;
time_t t_start = time(NULL);
delaymgr_init(&mgr, 1, NULL);
delaymgr_init(&mgr, 1000 /* precision_ms */, NULL);
delaymgr_start(&mgr);
delay_task(&mgr, delay_period, runcount, (delay_task_entry_fn_t)delay_work,
&count);
@ -48,9 +48,22 @@ static void test_delay1()
return;
}
static void test_delaymgr_precision_ms_field(void)
{
delaymgr_t mgr;
memset(&mgr, 0, sizeof(mgr));
/* precision_ms field must exist and be stored correctly */
int rc = delaymgr_init(&mgr, 200 /* precision_ms */, NULL);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_INT(200, mgr.precision_ms);
delaymgr_fini(&mgr);
printf("test_delaymgr_precision_ms_field: PASS\n");
}
void test_delay(void)
{
printf("\n>> delay test\n\n");
RUN_TEST(test_delay1);
RUN_TEST(test_delaymgr_precision_ms_field);
}

112
src/lib/testsuite/test_hooks.c Normal file
View file

@ -0,0 +1,112 @@
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "hook.h"
#include <unity/unity.h>
/* Shared call counter for hook tests */
static int s_call_count = 0;
static int counting_fn(int type, int sit, int det, void* data, va_list ap)
{
(void)type;
(void)sit;
(void)det;
(void)ap;
(*(int*)data)++;
return 0;
}
/* --- test cases --- */
static void test_disable_hook_stops_invocation(void)
{
hooksys_t hs;
int rc;
s_call_count = 0;
rc = xce_hook_init(&hs, 2 /* maxtypes */);
TEST_ASSERT_EQUAL_INT(0, rc);
rc = xce_add_hook(&hs, HOOK_AFTER_EVENT, counting_fn, &s_call_count);
TEST_ASSERT_EQUAL_INT(0, rc);
/* Before disable: hook fires once */
xce_run_hooks(&hs, HOOK_AFTER_EVENT, 0, 0);
TEST_ASSERT_EQUAL_INT(1, s_call_count);
/* Disable the hook */
rc = xce_disable_hook(&hs, HOOK_AFTER_EVENT, counting_fn);
TEST_ASSERT_EQUAL_INT(0, rc);
/* After disable: hook must not fire */
xce_run_hooks(&hs, HOOK_AFTER_EVENT, 0, 0);
TEST_ASSERT_EQUAL_INT(1, s_call_count); /* unchanged */
xce_hook_fini(&hs);
printf("test_disable_hook_stops_invocation: PASS\n");
}
static void test_disable_hook_returns_enoent_if_not_found(void)
{
hooksys_t hs;
int rc;
rc = xce_hook_init(&hs, 2);
TEST_ASSERT_EQUAL_INT(0, rc);
/* Disabling a hook never added must return non-zero (ENOENT) */
rc = xce_disable_hook(&hs, HOOK_AFTER_EVENT, counting_fn);
TEST_ASSERT_NOT_EQUAL(0, rc);
xce_hook_fini(&hs);
printf("test_disable_hook_returns_enoent_if_not_found: PASS\n");
}
static void test_add_hook_reuses_null_slot(void)
{
hooksys_t hs;
int rc;
int count_before_reuse;
s_call_count = 0;
rc = xce_hook_init(&hs, 2);
TEST_ASSERT_EQUAL_INT(0, rc);
rc = xce_add_hook(&hs, HOOK_AFTER_EVENT, counting_fn, &s_call_count);
TEST_ASSERT_EQUAL_INT(0, rc);
/* Record list length after first add */
count_before_reuse = hs.hooks[HOOK_AFTER_EVENT].count;
TEST_ASSERT_EQUAL_INT(1, count_before_reuse);
/* Disable the slot — fn becomes NULL atomically */
rc = xce_disable_hook(&hs, HOOK_AFTER_EVENT, counting_fn);
TEST_ASSERT_EQUAL_INT(0, rc);
/* Re-add the same fn — must reuse the NULL slot, not grow the list */
rc = xce_add_hook(&hs, HOOK_AFTER_EVENT, counting_fn, &s_call_count);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_INT(count_before_reuse, hs.hooks[HOOK_AFTER_EVENT].count);
/* Fire: must get exactly 1 call (not 2 if slot was duplicated) */
xce_run_hooks(&hs, HOOK_AFTER_EVENT, 0, 0);
TEST_ASSERT_EQUAL_INT(1, s_call_count);
xce_hook_fini(&hs);
printf("test_add_hook_reuses_null_slot: PASS\n");
}
/* --- suite entry point --- */
void test_hooks(void)
{
printf("\n>> hook system tests\n\n");
RUN_TEST(test_disable_hook_stops_invocation);
RUN_TEST(test_disable_hook_returns_enoent_if_not_found);
RUN_TEST(test_add_hook_reuses_null_slot);
}

244
src/lib/testsuite/test_kvmgr_capture.c Normal file
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@ -0,0 +1,244 @@
/*
* Test suite for kvmgr_capture_keys() — P0-14a.
*
* Tests follow TDD: written BEFORE implementation.
* All tests exercise the public API declared in kvmgr.h.
*/
#include <rtti.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unity/unity.h>
#include "kv.h"
#include "kvmgr.h"
#include "persist.h"
#include "utils.h"
/* ------------------------------------------------------------------ */
/* helpers */
/* ------------------------------------------------------------------ */
static int find_key_in_captured(slot_key_t* keys, size_t n,
const char* target_key, int* index_out)
{
size_t i;
for (i = 0; i < n; i++) {
if (strcmp(keys[i].key, target_key) == 0) {
if (index_out != NULL) {
*index_out = keys[i].index;
}
return 1;
}
}
return 0;
}
/* ------------------------------------------------------------------ */
/* test 1: capture from a string-keyed kvmgr with 3 entries */
/* ------------------------------------------------------------------ */
static void test_capture_keys_string_kvmgr(void)
{
kvmgr_params_t params = { .key_type = KVMGR_KEY_STRING,
.nslots = 8,
.delta = 4,
.datakiller = NULL };
var kvmgr = makeInstance(&xkvmgr_type, &params);
TEST_ASSERT_NOT_NULL(kvmgr);
/* Add 3 string-keyed entries whose values are arbitrary pointers;
the index returned by key_add is the slot index we capture. */
int idx_a = key_add(kvmgr, (void*)"alpha", (void*)"data_alpha");
int idx_b = key_add(kvmgr, (void*)"beta", (void*)"data_beta");
int idx_c = key_add(kvmgr, (void*)"gamma", (void*)"data_gamma");
TEST_ASSERT_TRUE(idx_a >= 0);
TEST_ASSERT_TRUE(idx_b >= 0);
TEST_ASSERT_TRUE(idx_c >= 0);
slot_key_t* keys = NULL;
size_t n_keys = 0;
int rc = kvmgr_capture_keys(kvmgr, &keys, &n_keys);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_size_t(3, n_keys);
TEST_ASSERT_NOT_NULL(keys);
/* Every inserted key must appear exactly once with the correct index */
int found_idx = -1;
TEST_ASSERT_TRUE(find_key_in_captured(keys, n_keys, "alpha", &found_idx));
TEST_ASSERT_EQUAL_INT(idx_a, found_idx);
TEST_ASSERT_TRUE(find_key_in_captured(keys, n_keys, "beta", &found_idx));
TEST_ASSERT_EQUAL_INT(idx_b, found_idx);
TEST_ASSERT_TRUE(find_key_in_captured(keys, n_keys, "gamma", &found_idx));
TEST_ASSERT_EQUAL_INT(idx_c, found_idx);
/* key_len must equal strlen(key)+1 */
size_t i;
for (i = 0; i < n_keys; i++) {
TEST_ASSERT_EQUAL_size_t(strlen(keys[i].key) + 1, keys[i].key_len);
}
free(keys);
destroy(kvmgr);
}
/* ------------------------------------------------------------------ */
/* test 2: empty kvmgr returns 0 entries and NULL keys_out */
/* ------------------------------------------------------------------ */
static void test_capture_keys_empty_kvmgr(void)
{
kvmgr_params_t params = { .key_type = KVMGR_KEY_STRING,
.nslots = 4,
.delta = 4,
.datakiller = NULL };
var kvmgr = makeInstance(&xkvmgr_type, &params);
TEST_ASSERT_NOT_NULL(kvmgr);
slot_key_t* keys = (slot_key_t*)(uintptr_t)0xdeadbeef; /* sentinel */
size_t n_keys = 99;
int rc = kvmgr_capture_keys(kvmgr, &keys, &n_keys);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_size_t(0, n_keys);
TEST_ASSERT_NULL(keys);
destroy(kvmgr);
}
/* ------------------------------------------------------------------ */
/* test 3: captured keys are deep copies — safe after kvmgr destroyed */
/* ------------------------------------------------------------------ */
static void test_capture_keys_are_deep_copies(void)
{
kvmgr_params_t params = { .key_type = KVMGR_KEY_STRING,
.nslots = 4,
.delta = 4,
.datakiller = NULL };
var kvmgr = makeInstance(&xkvmgr_type, &params);
TEST_ASSERT_NOT_NULL(kvmgr);
key_add(kvmgr, (void*)"keyA", (void*)"valA");
key_add(kvmgr, (void*)"keyB", (void*)"valB");
slot_key_t* keys = NULL;
size_t n_keys = 0;
int rc = kvmgr_capture_keys(kvmgr, &keys, &n_keys);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_size_t(2, n_keys);
/* Stash manual copies of the captured key strings */
char copy_a[256], copy_b[256];
int found_a = 0, found_b = 0;
size_t i;
for (i = 0; i < n_keys; i++) {
if (strcmp(keys[i].key, "keyA") == 0) {
strncpy(copy_a, keys[i].key, sizeof(copy_a) - 1);
copy_a[sizeof(copy_a) - 1] = '\0';
found_a = 1;
} else if (strcmp(keys[i].key, "keyB") == 0) {
strncpy(copy_b, keys[i].key, sizeof(copy_b) - 1);
copy_b[sizeof(copy_b) - 1] = '\0';
found_b = 1;
}
}
TEST_ASSERT_TRUE(found_a);
TEST_ASSERT_TRUE(found_b);
/* Destroy the kvmgr — this frees all kvtab entries including the
original key strings. Captured keys[] must remain valid. */
destroy(kvmgr);
TEST_ASSERT_EQUAL_STRING("keyA", copy_a);
TEST_ASSERT_EQUAL_STRING("keyB", copy_b);
/* Directly verify the captured keys array is still readable */
int still_a = 0, still_b = 0;
for (i = 0; i < n_keys; i++) {
if (strcmp(keys[i].key, "keyA") == 0) still_a = 1;
if (strcmp(keys[i].key, "keyB") == 0) still_b = 1;
}
TEST_ASSERT_TRUE(still_a);
TEST_ASSERT_TRUE(still_b);
free(keys);
}
/* ------------------------------------------------------------------ */
/* test 4: capture from an integer-keyed kvmgr with 3 entries */
/* ------------------------------------------------------------------ */
static void test_capture_keys_int_kvmgr(void)
{
kvmgr_params_t params = { .key_type = KVMGR_KEY_INT,
.nslots = 8,
.delta = 4,
.datakiller = NULL };
var kvmgr = makeInstance(&xkvmgr_type, &params);
TEST_ASSERT_NOT_NULL(kvmgr);
/* Add 3 integer-keyed entries; the integer keys are jobids.
For integer-keyed kvmgrs, key_add expects a (void*)(long)intval. */
int64_t jobid_1001 = 1001;
int64_t jobid_1002 = 1002;
int64_t jobid_1003 = 1003;
int idx_1001 =
key_add(kvmgr, (void*)(long)jobid_1001, (void*)"data_1001");
int idx_1002 =
key_add(kvmgr, (void*)(long)jobid_1002, (void*)"data_1002");
int idx_1003 =
key_add(kvmgr, (void*)(long)jobid_1003, (void*)"data_1003");
TEST_ASSERT_TRUE(idx_1001 >= 0);
TEST_ASSERT_TRUE(idx_1002 >= 0);
TEST_ASSERT_TRUE(idx_1003 >= 0);
slot_key_t* keys = NULL;
size_t n_keys = 0;
int rc = kvmgr_capture_keys(kvmgr, &keys, &n_keys);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_size_t(3, n_keys);
TEST_ASSERT_NOT_NULL(keys);
/* Every inserted integer key must appear as a decimal string with the
correct index */
int found_idx = -1;
TEST_ASSERT_TRUE(find_key_in_captured(keys, n_keys, "1001", &found_idx));
TEST_ASSERT_EQUAL_INT(idx_1001, found_idx);
TEST_ASSERT_TRUE(find_key_in_captured(keys, n_keys, "1002", &found_idx));
TEST_ASSERT_EQUAL_INT(idx_1002, found_idx);
TEST_ASSERT_TRUE(find_key_in_captured(keys, n_keys, "1003", &found_idx));
TEST_ASSERT_EQUAL_INT(idx_1003, found_idx);
/* key_len must equal strlen(key)+1 */
size_t i;
for (i = 0; i < n_keys; i++) {
TEST_ASSERT_EQUAL_size_t(strlen(keys[i].key) + 1, keys[i].key_len);
}
free(keys);
destroy(kvmgr);
}
/* ------------------------------------------------------------------ */
/* entry point called from test.c */
/* ------------------------------------------------------------------ */
void test_kvmgr_capture(void)
{
printf("\n>> kvmgr_capture_keys test\n");
RUN_TEST(test_capture_keys_string_kvmgr);
RUN_TEST(test_capture_keys_empty_kvmgr);
RUN_TEST(test_capture_keys_are_deep_copies);
RUN_TEST(test_capture_keys_int_kvmgr);
}

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#include <assert.h>
#include <rtti.h>
#include <stdio.h>
#include <unity/unity.h>
#include "zarray.h"
/* xzarray_type is defined in zarray.c */
extern typeinfo_t xzarray_type;
/* Helper: create an xzarray instance */
static meta_obj_t* make_test_xzarray(void)
{
xzarray_params_t params = { .delta = 4, .datakiller = NULL };
return (meta_obj_t*)makeInstance(&xzarray_type, &params);
}
static void test_freeze_thaw_slots_exist(void)
{
/* After P0-2, vfreeze and vthaw must be wired (non-NULL). */
const intf_varray_t* iface
= (const intf_varray_t*)xzarray_type.interfaces.varray;
TEST_ASSERT_NOT_NULL(iface);
/* Access slots without crash — verifies struct layout has them */
(void)iface->vfreeze;
(void)iface->vthaw;
/* Slots must be non-NULL after P0-2 wires the real implementations */
TEST_ASSERT_NOT_NULL(iface->vfreeze);
TEST_ASSERT_NOT_NULL(iface->vthaw);
printf("test_freeze_thaw_slots_exist: PASS\n");
}
static void test_freeze_creates_shadow(void)
{
meta_obj_t* arr = make_test_xzarray();
TEST_ASSERT_NOT_NULL(arr);
/* Store 3 items */
char* items[3] = { "alpha", "beta", "gamma" };
for (int i = 0; i < 3; i++) {
int idx = vstore(arr, items[i]);
TEST_ASSERT_TRUE(idx >= 0);
}
/* Freeze should succeed */
TEST_ASSERT_EQUAL_INT(0, vfreeze(arr));
/* After freeze, vget must still return stored values (COW mode active) */
void* out = NULL;
TEST_ASSERT_EQUAL_INT(0, vget(arr, 0, &out));
TEST_ASSERT_NOT_NULL(out);
/* Thaw to clean up */
vthaw(arr, NULL, NULL);
destroy(arr);
}
static void test_freeze_thaw_preserves_all_entries(void)
{
meta_obj_t* arr = make_test_xzarray();
TEST_ASSERT_NOT_NULL(arr);
int N = 5;
char* items[5] = { "a", "b", "c", "d", "e" };
int idxs[5];
for (int i = 0; i < N; i++) {
idxs[i] = vstore(arr, items[i]);
TEST_ASSERT_TRUE(idxs[i] >= 0);
}
TEST_ASSERT_EQUAL_INT(0, vfreeze(arr));
TEST_ASSERT_EQUAL_INT(0, vthaw(arr, NULL, NULL));
/* All 5 entries must be reachable after thaw */
for (int i = 0; i < N; i++) {
void* out = NULL;
TEST_ASSERT_EQUAL_INT(0, vget(arr, idxs[i], &out));
TEST_ASSERT_EQUAL_PTR(items[i], out);
}
destroy(arr);
}
static void test_mutation_during_cow_visible_after_thaw(void)
{
meta_obj_t* arr = make_test_xzarray();
TEST_ASSERT_NOT_NULL(arr);
char* original = "original";
char* updated = "updated";
int idx = vstore(arr, original);
TEST_ASSERT_TRUE(idx >= 0);
TEST_ASSERT_EQUAL_INT(0, vfreeze(arr));
/* Overwrite index during COW — write to new active array */
int put_idxs[1] = { idx };
void* put_data[1] = { updated };
vput_vec(arr, 1, put_idxs, put_data);
TEST_ASSERT_EQUAL_INT(0, vthaw(arr, NULL, NULL));
/* After thaw, the updated value must win over the shadow value */
void* out = NULL;
TEST_ASSERT_EQUAL_INT(0, vget(arr, idx, &out));
TEST_ASSERT_EQUAL_PTR(updated, out);
destroy(arr);
}
static void test_double_freeze_fails(void)
{
meta_obj_t* arr = make_test_xzarray();
TEST_ASSERT_NOT_NULL(arr);
TEST_ASSERT_EQUAL_INT(0, vfreeze(arr));
/* Second freeze must fail (already in COW mode) */
TEST_ASSERT_TRUE(vfreeze(arr) != 0);
vthaw(arr, NULL, NULL);
destroy(arr);
}
void test_zarray_cow(void)
{
printf("\n>> zarray COW interface slot test\n\n");
RUN_TEST(test_freeze_thaw_slots_exist);
RUN_TEST(test_freeze_creates_shadow);
RUN_TEST(test_freeze_thaw_preserves_all_entries);
RUN_TEST(test_mutation_during_cow_visible_after_thaw);
RUN_TEST(test_double_freeze_fails);
}