mbed-os/TESTS/network/wifi/wifi_scan.cpp

/*
 * Copyright (c) 2017, ARM Limited, All Rights Reserved
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "mbed.h"
#include "greentea-client/test_env.h"
#include "unity.h"
#include "utest.h"
#include "wifi_tests.h"
#include <stdbool.h>

using namespace utest::v1;

void wifi_scan(void)
{
    WiFiInterface *wifi = get_interface();

    WiFiAccessPoint ap[MBED_CONF_APP_MAX_SCAN_SIZE];

    int size = wifi->scan(ap, MBED_CONF_APP_MAX_SCAN_SIZE);
    TEST_ASSERT(size >= 1);

    bool secure_found = false;
    bool unsecure_found = false;

    char secure_bssid[6];
    char unsecure_bssid[6];
    const char *coversion_string = "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx";
    TEST_ASSERT_EQUAL_INT_MESSAGE(6, sscanf(MBED_CONF_APP_AP_MAC_SECURE, coversion_string, &secure_bssid[0], &secure_bssid[1], &secure_bssid[2], &secure_bssid[3], &secure_bssid[4], &secure_bssid[5]), "Failed to convert ap-mac-secure from mbed_app.json");
    TEST_ASSERT_EQUAL_INT_MESSAGE(6, sscanf(MBED_CONF_APP_AP_MAC_UNSECURE, coversion_string, &unsecure_bssid[0], &unsecure_bssid[1], &unsecure_bssid[2], &unsecure_bssid[3], &unsecure_bssid[4], &unsecure_bssid[5]), "Failed to convert ap-mac-unsecure from mbed_app.json");

    for (int i = 0; i < size; i++) {
        const char *ssid = ap[i].get_ssid();
        nsapi_security_t security = ap[i].get_security();
        int8_t rssi = ap[i].get_rssi();
        TEST_ASSERT_INT8_WITHIN(-10, -100, rssi);
#if defined(MBED_CONF_APP_WIFI_SECURE_SSID)
        if (strcmp(MBED_CONF_APP_WIFI_SECURE_SSID, ssid) == 0) {
            secure_found = true;
            TEST_ASSERT_EQUAL_INT(get_security(), security);
        }
#endif
#if defined(MBED_CONF_APP_WIFI_UNSECURE_SSID)
        if (strcmp(MBED_CONF_APP_WIFI_UNSECURE_SSID, ssid) == 0) {
            unsecure_found = true;
            TEST_ASSERT_EQUAL_INT(NSAPI_SECURITY_NONE, security);
        }
#endif
    }
    // Finding one SSID is enough
    TEST_ASSERT_TRUE(secure_found || unsecure_found);
}