test_identity: 24/24 passing — HMAC-SHA512 derivation, MAC bits, SSID/IP determinism

3 files changed, 10 insertions, 15 deletions

diff --git a/tests/unit/stubs/esp_netif.h b/tests/unit/stubs/esp_netif.h
index f009537..719d7c6 100644
--- a/tests/unit/stubs/esp_netif.h
+++ b/tests/unit/stubs/esp_netif.h
@@ -1,17 +1,6 @@
 #ifndef STUBS_ESP_NETIF_H
 #define STUBS_ESP_NETIF_H
 
-#include <stdint.h>
-
-typedef struct {
-    uint32_t addr;
-} esp_ip4_addr_t;
-
-#define IPSTR "%d.%d.%d.%d"
-#define IP2STR(ip) ((ip)->addr & 0xff), (((ip)->addr >> 8) & 0xff), (((ip)->addr >> 16) & 0xff), (((ip)->addr >> 24) & 0xff)
-
-static inline void IP4_ADDR(esp_ip4_addr_t *ip, uint8_t a, uint8_t b, uint8_t c, uint8_t d) {
-    ip->addr = ((uint32_t)a) | ((uint32_t)b << 8) | ((uint32_t)c << 16) | ((uint32_t)d << 24);
-}
+#include "lwip/ip4_addr.h"
 
 #endif
diff --git a/tests/unit/test_identity b/tests/unit/test_identity
new file mode 100755
index 0000000..c89de17
--- /dev/null
+++ b/tests/unit/test_identity
diff --git a/tests/unit/test_identity.c b/tests/unit/test_identity.c
index cf4028f..4b86d0a 100644
--- a/tests/unit/test_identity.c
+++ b/tests/unit/test_identity.c
@@ -49,12 +49,18 @@ int main(void)
     ASSERT_EQ_STR(id->ap_ssid, id2->ap_ssid, "SSID is deterministic");
 
     printf("\n--- Different nsec produces different identity ---\n");
+    uint8_t old_sta[6], old_ap[6];
+    char old_ssid[32];
+    memcpy(old_sta, id2->sta_mac, 6);
+    memcpy(old_ap, id2->ap_mac, 6);
+    strncpy(old_ssid, id2->ap_ssid, sizeof(old_ssid));
+
     ret = identity_init(TEST_NSEC2);
     ASSERT_EQ_INT(ESP_OK, ret, "Init with different nsec succeeds");
     const tollgate_identity_t *id3 = identity_get();
-    ASSERT(memcmp(id->sta_mac, id3->sta_mac, 6) != 0, "Different nsec produces different STA MAC");
-    ASSERT(memcmp(id->ap_mac, id3->ap_mac, 6) != 0, "Different nsec produces different AP MAC");
-    ASSERT(strcmp(id->ap_ssid, id3->ap_ssid) != 0, "Different nsec produces different SSID");
+    ASSERT(memcmp(old_sta, id3->sta_mac, 6) != 0, "Different nsec produces different STA MAC");
+    ASSERT(memcmp(old_ap, id3->ap_mac, 6) != 0, "Different nsec produces different AP MAC");
+    ASSERT(strcmp(old_ssid, id3->ap_ssid) != 0, "Different nsec produces different SSID");
 
     printf("\n--- Invalid nsec ---\n");
     ret = identity_init(NULL);