esp-idf/components/esp_wifi/test/test_wifi.c

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/*
Tests for the Wi-Fi
*/
#include "string.h"
#include "esp_system.h"
#include "unity.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_wifi.h"
#include "esp_wifi_types.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "test_utils.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#define DEFAULT_SSID "TEST_SSID"
#define DEFAULT_PWD "TEST_PASS"
#define GOT_IP_EVENT 0x00000001
#define DISCONNECT_EVENT 0x00000002
#define EVENT_HANDLER_FLAG_DO_NOT_AUTO_RECONNECT 0x00000001
static const char* TAG = "test_wifi";
static uint32_t wifi_event_handler_flag;
static EventGroupHandle_t wifi_events;
static void wifi_event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
printf("wifi ev_handle_called.\n");
switch(event_id) {
case WIFI_EVENT_STA_START:
ESP_LOGI(TAG, "WIFI_EVENT_STA_START");
//do not actually connect in test case
//;
break;
case WIFI_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "WIFI_EVENT_STA_DISCONNECTED");
if (! (EVENT_HANDLER_FLAG_DO_NOT_AUTO_RECONNECT & wifi_event_handler_flag) ) {
TEST_ESP_OK(esp_wifi_connect());
}
if (wifi_events) {
xEventGroupSetBits(wifi_events, DISCONNECT_EVENT);
}
break;
default:
break;
}
return;
}
static void ip_event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
ip_event_got_ip_t *event;
printf("ip ev_handle_called.\n");
switch(event_id) {
case IP_EVENT_STA_GOT_IP:
event = (ip_event_got_ip_t*)event_data;
ESP_LOGI(TAG, "IP_EVENT_STA_GOT_IP");
ESP_LOGI(TAG, "got ip:" IPSTR "\n", IP2STR(&event->ip_info.ip));
if (wifi_events) {
xEventGroupSetBits(wifi_events, GOT_IP_EVENT);
}
break;
default:
break;
}
return;
}
static esp_err_t event_init(void)
{
ESP_ERROR_CHECK(esp_event_loop_create_default());
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, ESP_EVENT_ANY_ID, &ip_event_handler, NULL));
esp_netif_create_default_wifi_sta();
esp_netif_create_default_wifi_ap();
return ESP_OK;
}
#define EMPH_STR(s) "****** "s" ******"
static void test_wifi_init_deinit(wifi_init_config_t *cfg, wifi_config_t* wifi_config)
{
ESP_LOGI(TAG, EMPH_STR("esp_wifi_deinit"));
TEST_ESP_ERR(ESP_ERR_WIFI_NOT_INIT, esp_wifi_deinit());
ESP_LOGI(TAG, EMPH_STR("esp_wifi_get_mode"));
wifi_mode_t mode_get;
TEST_ESP_ERR(ESP_ERR_WIFI_NOT_INIT, esp_wifi_get_mode(&mode_get));
ESP_LOGI(TAG, EMPH_STR("esp_wifi_init"));
TEST_ESP_OK(esp_wifi_init(cfg));
ESP_LOGI(TAG, EMPH_STR("esp_wifi_set_mode"));
TEST_ESP_OK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_LOGI(TAG, EMPH_STR("esp_wifi_set_config"));
TEST_ESP_OK(esp_wifi_set_config(ESP_IF_WIFI_STA, wifi_config));
ESP_LOGI(TAG, EMPH_STR("esp_wifi_deinit..."));
TEST_ESP_OK(esp_wifi_deinit());
}
static void test_wifi_start_stop(wifi_init_config_t *cfg, wifi_config_t* wifi_config)
{
ESP_LOGI(TAG, EMPH_STR("esp_wifi_stop"));
TEST_ESP_ERR(ESP_ERR_WIFI_NOT_INIT, esp_wifi_stop());
ESP_LOGI(TAG, EMPH_STR("esp_wifi_init"));
TEST_ESP_OK(esp_wifi_init(cfg));
ESP_LOGI(TAG, EMPH_STR("esp_wifi_set_mode"));
TEST_ESP_OK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_LOGI(TAG, EMPH_STR("esp_wifi_set_config"));
TEST_ESP_OK(esp_wifi_set_config(ESP_IF_WIFI_STA, wifi_config));
//now start wifi
ESP_LOGI(TAG, EMPH_STR("esp_wifi_start..."));
TEST_ESP_OK(esp_wifi_start());
//wifi stop
ESP_LOGI(TAG, EMPH_STR("esp_wifi_stop..."));
TEST_ESP_OK( esp_wifi_stop() );
ESP_LOGI(TAG, EMPH_STR("esp_wifi_deinit..."));
TEST_ESP_OK(esp_wifi_deinit());
}
TEST_CASE("wifi stop and deinit","[wifi]")
{
test_case_uses_tcpip();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
wifi_config_t wifi_config = {
.sta = {
.ssid = DEFAULT_SSID,
.password = DEFAULT_PWD
},
};
//init nvs
ESP_LOGI(TAG, EMPH_STR("nvs_flash_init"));
esp_err_t r = nvs_flash_init();
if (r == ESP_ERR_NVS_NO_FREE_PAGES || r == ESP_ERR_NVS_NEW_VERSION_FOUND) {
ESP_LOGI(TAG, EMPH_STR("no free pages or nvs version mismatch, erase.."));
TEST_ESP_OK(nvs_flash_erase());
r = nvs_flash_init();
}
TEST_ESP_OK(r);
//init tcpip
ESP_LOGI(TAG, EMPH_STR("esp_netif_init"));
esp_netif_init();
//init event loop
ESP_LOGI(TAG, EMPH_STR("event_init"));
event_init();
ESP_LOGI(TAG, "test wifi init & deinit...");
test_wifi_init_deinit(&cfg, &wifi_config);
ESP_LOGI(TAG, "wifi init & deinit seem to be OK.");
ESP_LOGI(TAG, "test wifi start & stop...");
test_wifi_start_stop(&cfg, &wifi_config);
ESP_LOGI(TAG, "wifi start & stop seem to be OK.");
ESP_LOGI(TAG, EMPH_STR("nvs_flash_deinit..."));
nvs_flash_deinit();
ESP_LOGI(TAG, "test passed...");
TEST_IGNORE_MESSAGE("this test case is ignored due to the critical memory leak of esp_netif and event_loop.");
}
static void start_wifi_as_softap(void)
{
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
cfg.nvs_enable = false;
wifi_config_t w_config = {
.ap.ssid = DEFAULT_SSID,
.ap.password = DEFAULT_PWD,
.ap.ssid_len = 0,
.ap.channel = 1,
.ap.authmode = WIFI_AUTH_WPA2_PSK,
.ap.ssid_hidden = false,
.ap.max_connection = 4,
.ap.beacon_interval = 100,
};
event_init();
// can't deinit event loop, need to reset leak check
unity_reset_leak_checks();
if (wifi_events == NULL) {
wifi_events = xEventGroupCreate();
}
TEST_ESP_OK(esp_wifi_init(&cfg));
TEST_ESP_OK(esp_wifi_set_mode(WIFI_MODE_AP));
TEST_ESP_OK(esp_wifi_set_config(WIFI_IF_AP, &w_config));
TEST_ESP_OK(esp_wifi_start());
}
static void start_wifi_as_sta(void)
{
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
cfg.nvs_enable = false;
// do not auto connect
wifi_event_handler_flag |= EVENT_HANDLER_FLAG_DO_NOT_AUTO_RECONNECT;
event_init();
// can't deinit event loop, need to reset leak check
unity_reset_leak_checks();
if (wifi_events == NULL) {
wifi_events = xEventGroupCreate();
} else {
xEventGroupClearBits(wifi_events, 0x00ffffff);
}
TEST_ESP_OK(esp_wifi_init(&cfg));
TEST_ESP_OK(esp_wifi_set_mode(WIFI_MODE_STA));
TEST_ESP_OK(esp_wifi_start());
}
static void stop_wifi(void)
{
printf("stop wifi\n");
TEST_ESP_OK(esp_wifi_stop());
TEST_ESP_OK(esp_wifi_deinit());
if (wifi_events) {
vEventGroupDelete(wifi_events);
wifi_events = NULL;
}
vTaskDelay(1000/portTICK_PERIOD_MS);
}
static void receive_ds2ds_packet(void)
{
test_case_uses_tcpip();
start_wifi_as_softap();
unity_wait_for_signal("sender ready");
unity_send_signal("receiver ready");
// wait for sender to send packets
vTaskDelay(1000/portTICK_PERIOD_MS);
stop_wifi();
}
static const char ds2ds_pdu[] = {
0x48, 0x03, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xE8, 0x65, 0xD4, 0xCB, 0x74, 0x19, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x60, 0x94, 0xE8, 0x65, 0xD4, 0xCB, 0x74, 0x1C, 0x26, 0xB9,
0x0D, 0x02, 0x7D, 0x13, 0x00, 0x00, 0x01, 0xE8, 0x65, 0xD4, 0xCB, 0x74,
0x1C, 0x00, 0x00, 0x26, 0xB9, 0x00, 0x00, 0x00, 0x00
};
static void send_ds2ds_packet(void)
{
test_case_uses_tcpip();
start_wifi_as_softap();
unity_send_signal("sender ready");
unity_wait_for_signal("receiver ready");
// send packet 20 times to make sure receiver will get this packet
for (uint16_t i = 0; i < 20; i++) {
esp_wifi_80211_tx(ESP_IF_WIFI_AP, ds2ds_pdu, sizeof(ds2ds_pdu), true);
vTaskDelay(50 / portTICK_PERIOD_MS);
}
stop_wifi();
}
TEST_CASE_MULTIPLE_DEVICES("receive ds2ds packet without exception", "[wifi][test_env=UT_T2_1]", receive_ds2ds_packet, send_ds2ds_packet);
static void wifi_connect_by_bssid(uint8_t *bssid)
{
EventBits_t bits;
wifi_config_t w_config = {
.sta.ssid = DEFAULT_SSID,
.sta.password = DEFAULT_PWD,
.sta.bssid_set = true,
};
memcpy(w_config.sta.bssid, bssid, 6);
TEST_ESP_OK(esp_wifi_set_config(WIFI_IF_STA, &w_config));
TEST_ESP_OK(esp_wifi_connect());
ESP_LOGI(TAG, "called esp_wifi_connect()");
bits = xEventGroupWaitBits(wifi_events, GOT_IP_EVENT, 1, 0, 7000/portTICK_RATE_MS);
TEST_ASSERT(bits == GOT_IP_EVENT);
}
static void test_wifi_connection_sta(void)
{
char mac_str[19];
uint8_t mac[6];
EventBits_t bits;
test_case_uses_tcpip();
start_wifi_as_sta();
unity_wait_for_signal_param("SoftAP mac", mac_str, 19);
TEST_ASSERT_TRUE(unity_util_convert_mac_from_string(mac_str, mac));
wifi_connect_by_bssid(mac);
unity_send_signal("STA connected");
bits = xEventGroupWaitBits(wifi_events, DISCONNECT_EVENT, 1, 0, 60000 / portTICK_RATE_MS);
// disconnect event not triggered
printf("wait finish\n");
TEST_ASSERT(bits == 0);
stop_wifi();
}
static void test_wifi_connection_softap(void)
{
char mac_str[19] = {0};
uint8_t mac[6];
test_case_uses_tcpip();
start_wifi_as_softap();
TEST_ESP_OK(esp_wifi_get_mac(ESP_IF_WIFI_AP, mac));
sprintf(mac_str, MACSTR, MAC2STR(mac));
unity_send_signal_param("SoftAP mac", mac_str);
unity_wait_for_signal("STA connected");
vTaskDelay(60000 / portTICK_PERIOD_MS);
stop_wifi();
}
TEST_CASE_MULTIPLE_DEVICES("test wifi retain connection for 60s", "[wifi][test_env=UT_T2_1][timeout=90]", test_wifi_connection_sta, test_wifi_connection_softap);