Add save file generator, save compatibility test, and generate a save file

1 files changed, 132 insertions, 0 deletions

diff --git a/auto_tests/save_compatibility_test.c b/auto_tests/save_compatibility_test.c
new file mode 100644
index 00000000..460dea2a
--- /dev/null
+++ b/auto_tests/save_compatibility_test.c
@@ -0,0 +1,132 @@
+//Tests to make sure new save code is compatible with old save files
+
+#include "../testing/misc_tools.h"
+#include "../toxcore/tox.h"
+#include "check_compat.h"
+
+#include <string.h>
+
+#define SAVE_FILE "../auto_tests/data/save.tox"
+
+// Information from the save file
+#define NAME "name"
+#define NAME_SIZE strlen(NAME)
+#define STATUS_MESSAGE "Hello World"
+#define STATUS_MESSAGE_SIZE strlen(STATUS_MESSAGE)
+#define NUM_FRIENDS 1
+#define NOSPAM "4C762C7D"
+#define TOX_ID "B70E97D41F69B7F4C42A5BC7BD7A76B95B8030BE1B7C0E9E6FC19FC4ABEB195B4C762C7D800B"
+
+static size_t get_file_size(void)
+{
+    size_t size = 0;
+
+    FILE *fp = fopen(SAVE_FILE, "r");
+
+    if (fp == nullptr) {
+        return size;
+    }
+
+    fseek(fp, 0, SEEK_END);
+    size = ftell(fp);
+    fseek(fp, 0, SEEK_SET);
+    fclose(fp);
+
+    return size;
+}
+
+static uint8_t *read_save(size_t *length)
+{
+    const size_t size = get_file_size();
+
+    if (size == 0) {
+        return nullptr;
+    }
+
+    FILE *fp = fopen(SAVE_FILE, "r");
+
+    if (!fp) {
+        return nullptr;
+    }
+
+    uint8_t *data = (uint8_t *)malloc(size);
+
+    if (!data) {
+        fclose(fp);
+        return nullptr;
+    }
+
+    if (fread(data, size, 1, fp) != 1) {
+        free(data);
+        fclose(fp);
+        return nullptr;
+    }
+
+    *length = size;
+    fclose(fp);
+
+    return data;
+}
+
+static void test_save_compatibility(void)
+{
+    struct Tox_Options options = { 0 };
+    tox_options_default(&options);
+
+    size_t size = 0;
+    uint8_t *save_data = read_save(&size);
+    ck_assert_msg(save_data != nullptr, "Error while reading save file.");
+
+    options.savedata_data = save_data;
+    options.savedata_length = size;
+    options.savedata_type = TOX_SAVEDATA_TYPE_TOX_SAVE;
+
+    Tox *tox = tox_new(&options, nullptr);
+
+    free(save_data);
+
+    size_t name_size = tox_self_get_name_size(tox);
+    ck_assert_msg(name_size == NAME_SIZE, "name sizes do not match expected %zu got %zu", NAME_SIZE, name_size);
+
+    uint8_t name[TOX_MAX_NAME_LENGTH];
+    tox_self_get_name(tox, name);
+    ck_assert_msg(strncmp((const char *)name, NAME, name_size) == 0, "names do not match, expected %s got %s", NAME, name);
+
+    size_t status_message_size = tox_self_get_status_message_size(tox);
+    ck_assert_msg(status_message_size == STATUS_MESSAGE_SIZE, "status message sizes do not match, expected %zu got %zu",
+                  STATUS_MESSAGE_SIZE, status_message_size);
+
+    uint8_t status_message[TOX_MAX_STATUS_MESSAGE_LENGTH];
+    tox_self_get_status_message(tox, status_message);
+    ck_assert_msg(strncmp((const char *)status_message, STATUS_MESSAGE, status_message_size) == 0,
+                  "status messages do not match, expected %s got %s",
+                  STATUS_MESSAGE, status_message);
+
+    size_t num_friends = tox_self_get_friend_list_size(tox);
+    ck_assert_msg(num_friends == NUM_FRIENDS, "number of friends do not match, expected %d got %zu", NUM_FRIENDS,
+                  num_friends);
+
+    uint32_t nospam = tox_self_get_nospam(tox);
+    char nospam_str[(TOX_NOSPAM_SIZE * 2) + 1];
+    size_t length = snprintf(nospam_str, sizeof(nospam_str), "%08X", nospam);
+    nospam_str[length] = '\0';
+    ck_assert_msg(strcmp(nospam_str, NOSPAM) == 0, "nospam does not match, expected %s got %s", NOSPAM, nospam_str);
+
+    uint8_t tox_id[TOX_ADDRESS_SIZE];
+    char tox_id_str[TOX_ADDRESS_SIZE * 2];
+    tox_self_get_address(tox, tox_id);
+    to_hex(tox_id_str, tox_id, TOX_ADDRESS_SIZE);
+    ck_assert_msg(strncmp(tox_id_str, TOX_ID, TOX_ADDRESS_SIZE * 2) == 0, "tox ids do not match, expected %s got %s",
+                  TOX_ID, tox_id_str);
+
+    tox_kill(tox);
+}
+
+int main(void)
+{
+    setvbuf(stdout, nullptr, _IONBF, 0);
+
+    test_save_compatibility();
+
+    return 0;
+}