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fix(esp_netif): Add unit test for loopback configuration

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Split tests into common and lwip/loopback specific and adds loopback
tests as separate configuration.
This commit is contained in:
David Cermak 2024-06-20 09:27:18 +02:00 committed by David Čermák
parent c6748a636d
commit 921b2a6331
10 changed files with 190 additions and 47 deletions
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4
components/esp_netif/loopback/esp_netif_loopback.c
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@ -480,4 +480,8 @@ esp_err_t esp_netif_tcpip_exec(esp_netif_callback_fn fn, void*ctx)
return fn(ctx);
}
esp_netif_t *esp_netif_get_handle_from_ifkey(const char *if_key)
{
return esp_netif_get_handle_from_ifkey_unsafe(if_key);
}
#endif /* CONFIG_ESP_NETIF_LOOPBACK */

8
components/esp_netif/test_apps/test_app_esp_netif/main/CMakeLists.txt
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@ -1,4 +1,10 @@
idf_component_register(SRCS "esp_netif_test.c"
if(CONFIG_ESP_NETIF_TCPIP_LWIP)
set(srcs_test_stack esp_netif_test_lwip.c)
elseif(CONFIG_ESP_NETIF_LOOPBACK)
set(srcs_test_stack esp_netif_test_loopback.c)
endif()
idf_component_register(SRCS esp_netif_test.c ${srcs_test_stack}
REQUIRES test_utils
INCLUDE_DIRS "."
PRIV_INCLUDE_DIRS "$ENV{IDF_PATH}/components/esp_netif/private_include" "."

72
components/esp_netif/test_apps/test_app_esp_netif/main/esp_netif_test.c Normal file
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@ -0,0 +1,72 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
#include <stdio.h>
#include <string.h>
#include "unity.h"
#include "unity_fixture.h"
#include "esp_netif.h"
#include "esp_netif_sntp.h"
#include "esp_netif_net_stack.h"
#include "esp_wifi.h"
#include "nvs_flash.h"
#include "esp_wifi_netif.h"
#include "sdkconfig.h"
#include "test_utils.h"
#include "memory_checks.h"
#include "lwip/netif.h"
//// This is a private esp-netif API, but include here to test it
bool esp_netif_is_netif_listed(esp_netif_t *esp_netif);
void create_delete_multiple_netifs(void)
{
// interface key has to be a unique identifier
const char* if_keys[] = { "if1", "if2", "if3", "if4", "if5", "if6", "if7", "if8", "if9" };
const int nr_of_netifs = sizeof(if_keys)/sizeof(char*);
esp_netif_t *netifs[nr_of_netifs];
// create 10 wifi stations
for (int i=0; i<nr_of_netifs; ++i) {
esp_netif_inherent_config_t base_netif_config = { .if_key = if_keys[i]};
esp_netif_config_t cfg = { .base = &base_netif_config, .stack = ESP_NETIF_NETSTACK_DEFAULT_WIFI_STA };
netifs[i] = esp_netif_new(&cfg);
TEST_ASSERT_NOT_NULL(netifs[i]);
}
// there's no AP within created stations
TEST_ASSERT_EQUAL(NULL, esp_netif_get_handle_from_ifkey("WIFI_AP_DEF"));
// check that the created netifs are correctly found by their interface keys and globally listed
for (int i=0; i<nr_of_netifs; ++i) {
TEST_ASSERT_EQUAL(netifs[i], esp_netif_get_handle_from_ifkey(if_keys[i]));
TEST_ASSERT_TRUE(esp_netif_is_netif_listed(netifs[i]));
}
// destroy one by one and check it's been removed
for (int i=0; i<nr_of_netifs; ++i) {
esp_netif_destroy(netifs[i]);
TEST_ASSERT_FALSE(esp_netif_is_netif_listed(netifs[i]));
}
}
void get_from_if_key(void)
{
// init default netif
esp_netif_config_t cfg = ESP_NETIF_DEFAULT_WIFI_STA();
esp_netif_t *esp_netif = esp_netif_new(&cfg);
TEST_ASSERT_NOT_NULL(esp_netif);
// check it's accessible by key
TEST_ASSERT_EQUAL(esp_netif, esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"));
// destroy it
esp_netif_destroy(esp_netif);
// check it's also destroyed in list
TEST_ASSERT_EQUAL(NULL, esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"));
}

14
components/esp_netif/test_apps/test_app_esp_netif/main/esp_netif_test.h Normal file
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@ -0,0 +1,14 @@
/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
#pragma once
#include "unity.h"
#include "unity_fixture.h"
#include "esp_netif.h"
// List of tests that are common for both configurations
void create_delete_multiple_netifs(void);
void get_from_if_key(void);

49
components/esp_netif/test_apps/test_app_esp_netif/main/esp_netif_test_loopback.c Normal file
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@ -0,0 +1,49 @@
/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
#include <stdio.h>
#include <string.h>
#include "unity.h"
#include "unity_fixture.h"
#include "esp_netif.h"
#include "memory_checks.h"
#include "esp_netif_test.h"
TEST_GROUP(esp_netif);
TEST_SETUP(esp_netif)
{
test_utils_record_free_mem();
TEST_ESP_OK(test_utils_set_leak_level(0, ESP_LEAK_TYPE_CRITICAL, ESP_COMP_LEAK_GENERAL));
}
TEST_TEAR_DOWN(esp_netif)
{
test_utils_finish_and_evaluate_leaks(test_utils_get_leak_level(ESP_LEAK_TYPE_WARNING, ESP_COMP_LEAK_ALL),
test_utils_get_leak_level(ESP_LEAK_TYPE_CRITICAL, ESP_COMP_LEAK_ALL));
}
TEST(esp_netif, create_delete_multiple_netifs)
{
create_delete_multiple_netifs();
}
TEST(esp_netif, get_from_if_key)
{
get_from_if_key();
}
TEST_GROUP_RUNNER(esp_netif)
{
RUN_TEST_CASE(esp_netif, create_delete_multiple_netifs)
RUN_TEST_CASE(esp_netif, get_from_if_key)
}
void app_main(void)
{
UNITY_MAIN(esp_netif);
}
const esp_netif_netstack_config_t *_g_esp_netif_netstack_default_wifi_sta = (esp_netif_netstack_config_t*)1;

75
components/esp_netif/test_apps/test_app_esp_netif/main/esp_netif_test_lwip.c
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@ -17,6 +17,7 @@
#include "test_utils.h"
#include "memory_checks.h"
#include "lwip/netif.h"
#include "esp_netif_test.h"
TEST_GROUP(esp_netif);
@ -91,20 +92,7 @@ TEST(esp_netif, convert_ip_addresses)
TEST(esp_netif, get_from_if_key)
{
// init default netif
esp_netif_config_t cfg = ESP_NETIF_DEFAULT_WIFI_STA();
esp_netif_t *esp_netif = esp_netif_new(&cfg);
TEST_ASSERT_NOT_NULL(esp_netif);
// check it's accessible by key
TEST_ASSERT_EQUAL(esp_netif, esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"));
// destroy it
esp_netif_destroy(esp_netif);
// check it's also destroyed in list
TEST_ASSERT_EQUAL(NULL, esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"));
get_from_if_key();
}
// This is a private esp-netif API, but include here to test it
@ -112,34 +100,7 @@ bool esp_netif_is_netif_listed(esp_netif_t *esp_netif);
TEST(esp_netif, create_delete_multiple_netifs)
{
// interface key has to be a unique identifier
const char* if_keys[] = { "if1", "if2", "if3", "if4", "if5", "if6", "if7", "if8", "if9" };
const int nr_of_netifs = sizeof(if_keys)/sizeof(char*);
esp_netif_t *netifs[nr_of_netifs];
// create 10 wifi stations
for (int i=0; i<nr_of_netifs; ++i) {
esp_netif_inherent_config_t base_netif_config = { .if_key = if_keys[i]};
esp_netif_config_t cfg = { .base = &base_netif_config, .stack = ESP_NETIF_NETSTACK_DEFAULT_WIFI_STA };
netifs[i] = esp_netif_new(&cfg);
TEST_ASSERT_NOT_NULL(netifs[i]);
}
// there's no AP within created stations
TEST_ASSERT_EQUAL(NULL, esp_netif_get_handle_from_ifkey("WIFI_AP_DEF"));
// check that the created netifs are correctly found by their interface keys and globally listed
for (int i=0; i<nr_of_netifs; ++i) {
TEST_ASSERT_EQUAL(netifs[i], esp_netif_get_handle_from_ifkey(if_keys[i]));
TEST_ASSERT_TRUE(esp_netif_is_netif_listed(netifs[i]));
}
// destroy one by one and check it's been removed
for (int i=0; i<nr_of_netifs; ++i) {
esp_netif_destroy(netifs[i]);
TEST_ASSERT_FALSE(esp_netif_is_netif_listed(netifs[i]));
}
create_delete_multiple_netifs();
}
static bool desc_matches_with(esp_netif_t *netif, void *ctx)
@ -147,6 +108,12 @@ static bool desc_matches_with(esp_netif_t *netif, void *ctx)
return strcmp(ctx, esp_netif_get_desc(netif)) == 0;
}
/*
* This test validates esp_netif_find_if() API by searching in the list of netifs
* by their description using the predicate function desc_matches_with() above.
* These netifs have the same key and description, so we can use esp_netif_get_handle_from_ifkey()
* to validate the test.
*/
TEST(esp_netif, find_netifs)
{
// Create some interfaces
@ -181,6 +148,10 @@ TEST(esp_netif, find_netifs)
}
#ifdef CONFIG_ESP_WIFI_ENABLED
/*
* This test creates a default WiFi station and checks all possible transitions
* of the DHCP client used by the station.
*/
TEST(esp_netif, dhcp_client_state_transitions_wifi_sta)
{
// init default wifi netif
@ -230,6 +201,10 @@ TEST(esp_netif, dhcp_client_state_transitions_wifi_sta)
#endif // CONFIG_ESP_WIFI_ENABLED
#if defined(CONFIG_ESP_WIFI_ENABLED) && defined(CONFIG_ESP_WIFI_SOFTAP_SUPPORT)
/*
* This test creates a default WiFi AP and checks all possible transitions
* of the DHCP server used by the soft AP.
*/
TEST(esp_netif, dhcp_server_state_transitions_wifi_ap)
{
// init default wifi netif
@ -272,6 +247,10 @@ TEST(esp_netif, dhcp_server_state_transitions_wifi_ap)
nvs_flash_deinit();
}
/*
* This test creates a default mesh interfaces and checks all possible transitions
* of the DHCP client and server used by these netifs.
*/
TEST(esp_netif, dhcp_server_state_transitions_mesh)
{
esp_netif_t *ap = NULL;
@ -336,6 +315,10 @@ TEST(esp_netif, dhcp_server_state_transitions_mesh)
#endif // CONFIG_ESP_WIFI_ENABLED && CONFIG_ESP_WIFI_SOFTAP_SUPPORT
#ifdef CONFIG_ESP_WIFI_ENABLED
/*
* This test validates convenience API esp_netif_create_wifi() which creates WiFi station
* or API with the specified inherent network config.
*/
TEST(esp_netif, create_custom_wifi_interfaces)
{
esp_netif_t *ap = NULL;
@ -449,6 +432,14 @@ static esp_err_t dummy_transmit(void* hd, void *buf, size_t length)
return ESP_OK;
}
/*
* This test validates the route priority of multiple netifs. It checks that the default route (default netif)
* is set correctly for the netifs according to their `route_prio` value and `link_up` state.
* - We create 10 netifs with prios: 0, 1, 2, 3, 4, 0, 0, ...., 0 (netifs[nr_of_netifs/2] has max_prio)
* - We check the default netif is correct after bringing it down/up, overriding it
* - We destroy the default netif and check again
* - We destroy the remaining netifs
*/
TEST(esp_netif, route_priority)
{
test_case_uses_tcpip();

1
components/esp_netif/test_apps/test_app_esp_netif/pytest_esp_netif.py
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@ -10,6 +10,7 @@ from pytest_embedded import Dut
@pytest.mark.parametrize('config', [
'global_dns',
'dns_per_netif',
'loopback', # test config without LWIP
], indirect=True)
def test_esp_netif(dut: Dut) -> None:
dut.expect_unity_test_output()

2
components/esp_netif/test_apps/test_app_esp_netif/sdkconfig.ci.dns_per_netif
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@ -1 +1,3 @@
CONFIG_ESP_NETIF_TCPIP_LWIP=y
CONFIG_ESP_NETIF_LOOPBACK=n
CONFIG_ESP_NETIF_SET_DNS_PER_DEFAULT_NETIF=y

2
components/esp_netif/test_apps/test_app_esp_netif/sdkconfig.ci.global_dns
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@ -1 +1,3 @@
CONFIG_ESP_NETIF_TCPIP_LWIP=y
CONFIG_ESP_NETIF_LOOPBACK=n
CONFIG_ESP_NETIF_SET_DNS_PER_DEFAULT_NETIF=n

2
components/esp_netif/test_apps/test_app_esp_netif/sdkconfig.ci.loopback Normal file
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@ -0,0 +1,2 @@
CONFIG_ESP_NETIF_LOOPBACK=y
CONFIG_ESP_NETIF_TCPIP_LWIP=n