unittests: Move at test to driver tests

tests/drivers/at_unit/Makefile

@@ -1,3 +1,5 @@
+include ../Makefile.drivers_common
+
 HANDLE_URC ?= 1
 ECHO_ON ?= 1
 SEND_EOL ?= "\\xd"
@@ -16,4 +18,7 @@ CFLAGS += -DAT_RECV_EOL_1="\"$(RECV_EOL_1)\""
 CFLAGS += -DAT_RECV_EOL_2="\"$(RECV_EOL_2)\""
 CFLAGS += -DCONFIG_AT_SEND_EOL="\"$(SEND_EOL)\""
 
+USEMODULE += embunit
 USEMODULE += at
+
+include $(RIOTBASE)/Makefile.include

tests/drivers/at_unit/tests-at.c

@@ -7,12 +7,11 @@
  */
 
 #include "embUnit.h"
+#include <stdio.h>
 
 #include "at.h"
 #include "isrpipe/read_timeout.h"
 
-#include "tests-at.h"
-
 #define UNIT_TEST_LONG_URC "+UNITTEST_LONG_URC_VEEERY_LONG"
 #define UNIT_TEST_SHORT_URC "+U"
 #define LONG_COMMAND "AT+COMMAND_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"\
@@ -59,7 +58,7 @@ static void set_up(void)
         .rp_buf_size = sizeof(rp_buf),
         .rx_buf = buf,
         .rx_buf_size = sizeof(buf),
-        .uart = UART_DEV(0),
+        .uart = UART_DEV(1),
     };
     int res = at_dev_init(&at_dev, &at_init_params);
     /* check the UART initialization return value and respond as needed */
@@ -670,7 +669,7 @@ void test_process_urc(void)
 }
 #endif /* MODULE_AT_URC */
 
-void tests_at(void)
+static Test *tests_at(void)
 {
     EMB_UNIT_TESTFIXTURES(fixtures) {
         new_TestFixture(test_readline_or_echo),
@@ -688,5 +687,17 @@ void tests_at(void)
 
     EMB_UNIT_TESTCALLER(at_tests, set_up, tear_down, fixtures);
 
-    TESTS_RUN((Test *)&at_tests);
+    return (Test *)&at_tests;
+}
+
+int main(void)
+{
+
+    puts("AT unit-like test\n");
+
+    TESTS_START();
+    TESTS_RUN(tests_at());
+    TESTS_END();
+
+    return 0;
 }

tests/unittests/tests-at/Makefile

@@ -1 +0,0 @@
-include $(RIOTBASE)/Makefile.base

tests/unittests/tests-at/tests-at.h

@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2024 ML!PA GmbH
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @addtogroup  unittests
- * @{
- *
- * @file
- * @brief       Unittests for the at module
- *
- * @author      Mihai Renea <mihai.renea@ml-pa.com>
- */
-#ifndef TESTS_AT_H
-#define TESTS_AT_H
-#include "embUnit/embUnit.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @brief   Tests entry point.
- */
-void tests_at(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* TESTS_AT_H */
-/** @} */