feat:[sal][utest] added test cases for the sal api

Author: kurisaW

components/net/utest/Kconfig

@@ -1,8 +1,41 @@
-if RT_USING_LWIP
-    menu "LwIP Network Unit Testcase"
+menu "Network Unit Testcase"
 
-    config RT_UTEST_TC_USING_LWIP
-        bool "lwIP API test"
+    menuconfig RT_UTEST_TC_USING_SAL
+        select RT_USING_SAL
+        bool "SAL Unit Testcase"
+        default n
+
+    menuconfig RT_UTEST_TC_USING_NETDEV
+        select RT_USING_NETDEV
+        bool "netdev api test"
+        help
+            Enable netdev network device framework unit tests.
+            
+            Test coverage includes:
+            * Network connectivity (ping operations)
+            * DHCP functionality (enable/disable/restore)
+            * DNS configuration and hostname resolution
+            * Interface configuration (IP/gateway/netmask)
+            * IP address conversion functions
+            * Device retrieval and management
+            * Status control and callback mechanisms
+
+        if RT_UTEST_TC_USING_NETDEV
+
+            config RT_UTEST_DEFAULT_NETDEV_NAME
+                string "Default netdev name"
+                default "e0"
+                help
+                    Network interface name for tests. Common values:
+                    "e0" (Ethernet), "w0" (Wireless).
+                    Ensure the device exists in your environment.
+        endif
+
+    menuconfig RT_UTEST_TC_USING_LWIP
+        select RT_USING_LWIP
+        select RT_LWIP_NETIF_LOOPBACK
+        bool "lwIP Unit Testcase"
+        default n
         help
             Enable lwIP network stack unit tests including DNS resolution,
             TCP/UDP socket operations, and network interface tests
@@ -103,35 +136,4 @@ if RT_USING_LWIP
                     This should match the actual IP of the test domain
 
         endif
-    endmenu
-endif
-
-if RT_USING_NETDEV
-    menu "Netdev Network Unit Testcase"
-
-    config RT_UTEST_TC_USING_NETDEV
-        bool "netdev api test"
-        help
-            Enable netdev network device framework unit tests.
-            
-            Test coverage includes:
-            * Network connectivity (ping operations)
-            * DHCP functionality (enable/disable/restore)
-            * DNS configuration and hostname resolution
-            * Interface configuration (IP/gateway/netmask)
-            * IP address conversion functions
-            * Device retrieval and management
-            * Status control and callback mechanisms
-
-        if RT_UTEST_TC_USING_NETDEV
-
-            config RT_UTEST_DEFAULT_NETDEV_NAME
-                string "Default netdev name"
-                default "e0"
-                help
-                    Network interface name for tests. Common values:
-                    "e0" (Ethernet), "w0" (Wireless).
-                    Ensure the device exists in your environment.
-        endif
-    endmenu
-endif
+    endmenu

components/net/utest/SConscript

@@ -5,7 +5,7 @@ cwd     = GetCurrentDir()
 src     = []
 CPPPATH = [cwd]
 
-if GetDepend('RT_UTEST_USING_ALL_CASES') or GetDepend('RT_UTEST_TC_USING_LWIP') or GetDepend('RT_UTEST_TC_USING_NETDEV'):
+if GetDepend('RT_UTEST_USING_ALL_CASES'):
 
     if GetDepend('RT_UTEST_TC_USING_LWIP'):
         # Add lwIP test source if enabled
@@ -15,6 +15,9 @@ if GetDepend('RT_UTEST_USING_ALL_CASES') or GetDepend('RT_UTEST_TC_USING_LWIP')
         # Add netdev test source if enabled
         src += ['tc_netdev.c']
 
+    if GetDepend('RT_UTEST_TC_USING_SAL'):
+        src += ['tc_sal_socket.c']
+
 # Define the test group with proper dependencies
 group = DefineGroup('utestcases', src, depend = ['RT_USING_UTESTCASES'], CPPPATH = CPPPATH)