test(wifi): add test for wifi stop and deinit.

components/esp32/test/test_esp32.c

@@ -0,0 +1,112 @@
+/*
+ Tests for the Wi-Fi
+*/
+#include "esp_system.h"
+#include "unity.h"
+#include "esp_system.h"
+#include "esp_event_loop.h"
+#include "esp_wifi.h"
+#include "esp_log.h"
+#include "nvs_flash.h"
+
+static const char* TAG = "test_wifi";
+
+#define DEFAULT_SSID "TEST_SSID"
+#define DEFAULT_PWD "TEST_PASS"
+
+static esp_err_t event_handler(void *ctx, system_event_t *event)
+{
+    printf("ev_handle_called.\n");
+    switch(event->event_id) {
+        case SYSTEM_EVENT_STA_START:
+            ESP_LOGI(TAG, "SYSTEM_EVENT_STA_START");
+    //do not actually connect in test case
+            //;
+            break;
+        case SYSTEM_EVENT_STA_GOT_IP:
+            ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
+            ESP_LOGI(TAG, "got ip:%s\n",
+            ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
+            break;
+        case SYSTEM_EVENT_STA_DISCONNECTED:
+            ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED");
+            TEST_ESP_OK(esp_wifi_connect());
+            break;
+        default:
+            break;
+    }
+    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_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_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]")
+{    
+    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) {
+        ESP_LOGI(TAG, EMPH_STR("no free pages, erase.."));
+        TEST_ESP_OK(nvs_flash_erase());
+        r = nvs_flash_init();
+    } 
+    TEST_ESP_OK(r);
+    //init tcpip
+    ESP_LOGI(TAG, EMPH_STR("tcpip_adapter_init"));
+    tcpip_adapter_init();
+    //init event loop
+    ESP_LOGI(TAG, EMPH_STR("esp_event_loop_init"));
+    TEST_ESP_OK(esp_event_loop_init(event_handler, NULL));
+    
+    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 tcpip_adapter and event_loop.");
+}