Michael Sauer
1c29735eaf
open_access() fordert zusaetzlich !standalone, damit der Tokenschutz auch waehrend eines Onboarding-Tests aus dem Standalone-Modus erhalten bleibt.
311 lines
13 KiB
C
311 lines
13 KiB
C
#include <string.h>
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#include "unity.h"
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#include "net/nl_wifi_sm.h"
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static nl_wifi_sm_t sm;
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static nl_wifi_actions_t a;
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void setUp(void) { memset(&sm, 0, sizeof sm); }
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void tearDown(void) {}
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static void test_start_without_credentials_opens_ap(void)
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{
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a = nl_wifi_sm_start(&sm, false, false, false, 0);
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TEST_ASSERT_TRUE(a.start_ap);
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TEST_ASSERT_TRUE(a.pulse_on);
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TEST_ASSERT_FALSE(a.connect);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_AP_ONBOARDING, sm.state);
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TEST_ASSERT_TRUE(nl_wifi_sm_open_access(&sm));
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TEST_ASSERT_EQUAL_STRING("ap", nl_wifi_sm_mode(&sm));
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}
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static void test_start_with_credentials_connects(void)
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{
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a = nl_wifi_sm_start(&sm, true, false, false, 0);
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TEST_ASSERT_TRUE(a.connect);
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TEST_ASSERT_FALSE(a.use_test_creds);
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TEST_ASSERT_FALSE(a.start_ap);
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TEST_ASSERT_FALSE(nl_wifi_sm_open_access(&sm));
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 3000);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STA_CONNECTED, sm.state);
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TEST_ASSERT_EQUAL_STRING("sta", nl_wifi_sm_mode(&sm));
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}
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static void test_retry_with_backoff(void)
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{
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nl_wifi_sm_start(&sm, true, false, false, 0);
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nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_AUTH, 1000);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 1999).connect);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 2000).connect);
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nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_AUTH, 3000);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 4999).connect);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 5000).connect); /* 2 s */
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nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_AUTH, 6000);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 10000).connect); /* 4 s */
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for (int i = 0; i < 10; i++)
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nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_AUTH, 20000);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 79999).connect);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 80000).connect); /* capped at 60 s */
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}
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static void test_fallback_after_five_minutes(void)
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{
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nl_wifi_sm_start(&sm, true, false, false, 0);
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nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_NOT_FOUND, 1000);
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a = nl_wifi_sm_tick(&sm, NL_WIFI_FALLBACK_MS - 1);
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TEST_ASSERT_FALSE(a.start_ap);
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a = nl_wifi_sm_tick(&sm, NL_WIFI_FALLBACK_MS);
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TEST_ASSERT_TRUE(a.start_ap);
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TEST_ASSERT_FALSE(a.pulse_on);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_APSTA_FALLBACK, sm.state);
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TEST_ASSERT_EQUAL_STRING("apsta", nl_wifi_sm_mode(&sm));
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TEST_ASSERT_FALSE(nl_wifi_sm_open_access(&sm));
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/* retries continue */
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nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_NOT_FOUND, 400000);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 460000).connect);
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/* reconnect closes the AP 10 s later */
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 500000);
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TEST_ASSERT_FALSE(a.stop_ap);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STA_CONNECTED, sm.state);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 509999).stop_ap);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 510000).stop_ap);
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TEST_ASSERT_EQUAL_STRING("sta", nl_wifi_sm_mode(&sm));
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}
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static void test_disconnect_while_connected(void)
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{
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nl_wifi_sm_start(&sm, true, false, false, 0);
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nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 1000);
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nl_wifi_sm_event(&sm, NL_WIFI_EV_DISCONNECTED, NL_WIFI_ERR_NONE, 100000);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STA_CONNECTING, sm.state);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 101000).connect);
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/* fallback timer restarts at the disconnect */
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 100000 + NL_WIFI_FALLBACK_MS - 1).start_ap);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 100000 + NL_WIFI_FALLBACK_MS).start_ap);
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}
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static void test_onboarding_success(void)
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{
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nl_wifi_sm_start(&sm, false, false, false, 0);
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a = nl_wifi_sm_onboard(&sm, 5000);
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TEST_ASSERT_FALSE(a.start_ap); /* already up */
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TEST_ASSERT_TRUE(a.connect);
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TEST_ASSERT_TRUE(a.use_test_creds);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_ONBOARD_TEST, sm.state);
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TEST_ASSERT_TRUE(nl_wifi_sm_open_access(&sm));
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TEST_ASSERT_EQUAL_STRING("apsta", nl_wifi_sm_mode(&sm));
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TEST_ASSERT_FALSE(nl_wifi_sm_event(&sm, NL_WIFI_EV_DISCONNECTED, NL_WIFI_ERR_NONE, 6000).save_test_creds);
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 9000);
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TEST_ASSERT_TRUE(a.save_test_creds);
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TEST_ASSERT_TRUE(a.pulse_off);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STA_CONNECTED, sm.state);
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TEST_ASSERT_FALSE(nl_wifi_sm_open_access(&sm));
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 9000 + NL_WIFI_AP_CLOSE_ONBOARD_MS - 1).stop_ap);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 9000 + NL_WIFI_AP_CLOSE_ONBOARD_MS).stop_ap);
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}
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static void test_onboarding_failure_without_credentials(void)
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{
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nl_wifi_sm_start(&sm, false, false, false, 0);
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nl_wifi_sm_onboard(&sm, 5000);
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_AUTH, 8000);
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TEST_ASSERT_FALSE(a.pulse_off);
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TEST_ASSERT_FALSE(a.stop_ap);
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TEST_ASSERT_FALSE(a.connect);
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TEST_ASSERT_TRUE(a.disconnect); /* I1: stray station attempt must not linger */
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TEST_ASSERT_EQUAL(NL_WIFI_ST_AP_ONBOARDING, sm.state);
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TEST_ASSERT_EQUAL(NL_WIFI_ERR_AUTH, sm.error);
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TEST_ASSERT_EQUAL_STRING("auth", nl_wifi_error_name(sm.error));
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TEST_ASSERT_TRUE(nl_wifi_sm_open_access(&sm));
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}
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static void test_onboarding_timeout(void)
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{
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nl_wifi_sm_start(&sm, false, false, false, 0);
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nl_wifi_sm_onboard(&sm, 5000);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_ONBOARD_TEST, sm.state);
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nl_wifi_sm_tick(&sm, 5000 + NL_WIFI_ONBOARD_TIMEOUT_MS - 1);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_ONBOARD_TEST, sm.state);
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a = nl_wifi_sm_tick(&sm, 5000 + NL_WIFI_ONBOARD_TIMEOUT_MS);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_AP_ONBOARDING, sm.state);
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TEST_ASSERT_EQUAL_STRING("timeout", nl_wifi_error_name(sm.error));
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TEST_ASSERT_TRUE(a.disconnect); /* I1: timed-out onboarding test leaves no station attempt running */
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}
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static void test_onboarding_connected_event_while_ap_onboarding_is_stray(void)
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{
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/* I1: fail_test() returns to AP_ONBOARDING; a late CONNECTED for the timed-out
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* attempt must be treated as stray and disconnected, not accepted. */
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nl_wifi_sm_start(&sm, false, false, false, 0);
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nl_wifi_sm_onboard(&sm, 5000);
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nl_wifi_sm_tick(&sm, 5000 + NL_WIFI_ONBOARD_TIMEOUT_MS); /* -> AP_ONBOARDING */
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 40000);
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TEST_ASSERT_TRUE(a.disconnect);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_AP_ONBOARDING, sm.state);
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}
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static void test_onboarding_while_connected_falls_back_to_old_credentials(void)
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{
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nl_wifi_sm_start(&sm, true, false, false, 0);
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nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 1000);
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a = nl_wifi_sm_onboard(&sm, 2000);
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TEST_ASSERT_TRUE(a.start_ap);
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TEST_ASSERT_FALSE(a.pulse_on);
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TEST_ASSERT_TRUE(a.use_test_creds);
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TEST_ASSERT_FALSE(nl_wifi_sm_open_access(&sm));
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_JOIN_FAILED, NL_WIFI_ERR_NOT_FOUND, 4000);
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TEST_ASSERT_TRUE(a.connect);
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TEST_ASSERT_FALSE(a.use_test_creds);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_APSTA_FALLBACK, sm.state);
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TEST_ASSERT_EQUAL_STRING("not_found", nl_wifi_error_name(sm.error));
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 6000);
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TEST_ASSERT_FALSE(a.save_test_creds);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 16000).stop_ap);
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}
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static void test_onboard_while_test_running_disconnects_stale_attempt(void)
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{
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/* M1: a repeated onboarding request while a test connect is already in flight
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* must disconnect first so stale events from the previous attempt don't count. */
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nl_wifi_sm_start(&sm, false, false, false, 0);
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nl_wifi_sm_onboard(&sm, 5000);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_ONBOARD_TEST, sm.state);
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a = nl_wifi_sm_onboard(&sm, 6000);
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TEST_ASSERT_TRUE(a.disconnect);
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TEST_ASSERT_TRUE(a.connect);
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TEST_ASSERT_TRUE(a.use_test_creds);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_ONBOARD_TEST, sm.state);
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}
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static void test_error_names(void)
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{
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TEST_ASSERT_NULL(nl_wifi_error_name(NL_WIFI_ERR_NONE));
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TEST_ASSERT_EQUAL_STRING("not_found", nl_wifi_error_name(NL_WIFI_ERR_NOT_FOUND));
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}
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static void test_connect_without_any_event_retries(void)
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{
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nl_wifi_sm_start(&sm, true, false, false, 0);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 29999).connect);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 30000).connect); /* retry scheduled at 31000 */
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 31000).connect);
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/* next timeout: 31000 + 30000 + 2000 backoff = 63000 */
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, 62999).connect);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, 63000).connect);
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/* fallback after 300000 ms, and attempts continue */
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a = nl_wifi_sm_tick(&sm, 300000);
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TEST_ASSERT_TRUE(a.start_ap);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_APSTA_FALLBACK, sm.state);
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TEST_ASSERT_EQUAL_STRING("apsta", nl_wifi_sm_mode(&sm));
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/* another attempt fires later */
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a = nl_wifi_sm_tick(&sm, 360000);
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TEST_ASSERT_TRUE(a.connect);
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}
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static void test_standalone_opens_ap_without_connecting(void)
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{
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a = nl_wifi_sm_start(&sm, false, true, false, 0);
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TEST_ASSERT_TRUE(a.start_ap);
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TEST_ASSERT_FALSE(a.connect);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STANDALONE, sm.state);
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TEST_ASSERT_EQUAL_STRING("ap", nl_wifi_sm_mode(&sm));
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}
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/* Der Standalone-AP ist KEIN offener Onboarding-AP. Haengt diese Zusicherung nicht,
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* koennte jeder in Funkreichweite die Lampe ohne Token flashen oder zuruecksetzen. */
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static void test_standalone_is_not_open_access(void)
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{
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nl_wifi_sm_start(&sm, false, true, false, 0);
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TEST_ASSERT_FALSE(nl_wifi_sm_open_access(&sm));
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}
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/* Das Fenster, das der Ruhezustand nicht abdeckt: Onboarding-Test aus dem Standalone-Modus.
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* Dann ist state == ONBOARD_TEST und have_creds == false - ohne !standalone in open_access()
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* fiele der Tokenschutz bis zu 30 s lang, waehrend der passwortgeschuetzte AP oben steht. */
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static void test_standalone_onboard_test_is_not_open_access(void)
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{
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nl_wifi_sm_start(&sm, false, true, false, 0);
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nl_wifi_sm_onboard(&sm, 1000);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_ONBOARD_TEST, sm.state);
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TEST_ASSERT_FALSE(sm.have_creds);
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TEST_ASSERT_FALSE(nl_wifi_sm_open_access(&sm));
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}
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/* Gespeicherte WLAN-Daten aendern nichts: wer standalone gewaehlt hat, will keinen
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* Verbindungsversuch, auch wenn von frueher noch Zugangsdaten herumliegen. */
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static void test_standalone_wins_over_stored_credentials(void)
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{
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a = nl_wifi_sm_start(&sm, true, true, false, 0);
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TEST_ASSERT_FALSE(a.connect);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STANDALONE, sm.state);
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}
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/* Kein Rueckfall und kein Wiederholungsversuch: die Maschine darf im Standalone-Modus
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* nie von selbst anfangen, ein WLAN zu suchen. */
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static void test_standalone_never_falls_back(void)
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{
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nl_wifi_sm_start(&sm, true, true, false, 0);
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a = nl_wifi_sm_tick(&sm, NL_WIFI_FALLBACK_MS + 60000);
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TEST_ASSERT_FALSE(a.connect);
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TEST_ASSERT_FALSE(a.start_ap);
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TEST_ASSERT_FALSE(a.stop_ap);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STANDALONE, sm.state);
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}
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/* Ein verirrter Erfolg eines alten Versuchs darf die Lampe nicht aus ihrem AP holen. */
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static void test_standalone_drops_a_stray_connect(void)
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{
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nl_wifi_sm_start(&sm, true, true, false, 0);
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a = nl_wifi_sm_event(&sm, NL_WIFI_EV_CONNECTED, NL_WIFI_ERR_NONE, 1000);
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TEST_ASSERT_TRUE(a.disconnect);
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TEST_ASSERT_EQUAL(NL_WIFI_ST_STANDALONE, sm.state);
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}
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/* Der Puls ist zeitlich begrenzt, und das ist keine Kosmetik: nl_engine_pulse() legt sich
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* ueber die normale Ausgabe und uebermalt auch sACN. Am 2026-10-01 am EVK beobachtet -
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* ein gueltiger sACN-Strom kam an, waehrend die Lampe weiter den Puls zeigte. Ein
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* dauerhafter Puls machte sACN im Standalone-Modus unbrauchbar. */
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static void test_standalone_pulse_stops_by_itself(void)
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{
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a = nl_wifi_sm_start(&sm, false, true, true, 0);
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TEST_ASSERT_TRUE(a.pulse_on);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, NL_WIFI_STANDALONE_PULSE_MS - 1).pulse_off);
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TEST_ASSERT_TRUE(nl_wifi_sm_tick(&sm, NL_WIFI_STANDALONE_PULSE_MS).pulse_off);
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/* und danach nicht noch einmal */
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, NL_WIFI_STANDALONE_PULSE_MS + 5000).pulse_off);
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}
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static void test_standalone_without_pulse_stays_dark(void)
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{
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a = nl_wifi_sm_start(&sm, false, true, false, 0);
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TEST_ASSERT_FALSE(a.pulse_on);
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TEST_ASSERT_FALSE(nl_wifi_sm_tick(&sm, NL_WIFI_STANDALONE_PULSE_MS).pulse_off);
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}
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int main(void)
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{
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UNITY_BEGIN();
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RUN_TEST(test_start_without_credentials_opens_ap);
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RUN_TEST(test_start_with_credentials_connects);
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RUN_TEST(test_retry_with_backoff);
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RUN_TEST(test_fallback_after_five_minutes);
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RUN_TEST(test_disconnect_while_connected);
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RUN_TEST(test_onboarding_success);
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RUN_TEST(test_onboarding_failure_without_credentials);
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RUN_TEST(test_onboarding_timeout);
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RUN_TEST(test_onboarding_connected_event_while_ap_onboarding_is_stray);
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RUN_TEST(test_onboarding_while_connected_falls_back_to_old_credentials);
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RUN_TEST(test_onboard_while_test_running_disconnects_stale_attempt);
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RUN_TEST(test_error_names);
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RUN_TEST(test_connect_without_any_event_retries);
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RUN_TEST(test_standalone_opens_ap_without_connecting);
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RUN_TEST(test_standalone_is_not_open_access);
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RUN_TEST(test_standalone_onboard_test_is_not_open_access);
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RUN_TEST(test_standalone_wins_over_stored_credentials);
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RUN_TEST(test_standalone_never_falls_back);
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RUN_TEST(test_standalone_drops_a_stray_connect);
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RUN_TEST(test_standalone_pulse_stops_by_itself);
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RUN_TEST(test_standalone_without_pulse_stays_dark);
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return UNITY_END();
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}
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