tests: mqtt: Add a mqtt tls test case

This adds a "build-only" test case to check if any compile error
when CONFIG_MQTT_LIB_TLS is enabled.

Signed-off-by: Aska Wu <[email protected]>

Author: Aska Wu

tests/net/lib/mqtt_publisher/prj_tls.conf

@@ -0,0 +1,46 @@
+CONFIG_NETWORKING=y
+CONFIG_NET_TCP=y
+CONFIG_RANDOM_GENERATOR=y
+CONFIG_NET_ARP=y
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_NET_LOG=y
+CONFIG_INIT_STACKS=y
+
+CONFIG_NET_PKT_RX_COUNT=16
+CONFIG_NET_PKT_TX_COUNT=16
+CONFIG_NET_BUF_RX_COUNT=16
+CONFIG_NET_BUF_TX_COUNT=16
+
+CONFIG_NET_IPV6_RA_RDNSS=y
+CONFIG_NET_IF_UNICAST_IPV4_ADDR_COUNT=3
+
+CONFIG_PRINTK=y
+#CONFIG_NET_DEBUG_NET_PKT=y
+
+CONFIG_NET_IPV4=n
+# Enable IPv6 support
+CONFIG_NET_IPV6=y
+
+# Enable the MQTT Lib
+CONFIG_MQTT_LIB=y
+CONFIG_MQTT_LIB_TLS=y
+
+CONFIG_NET_APP_SETTINGS=y
+CONFIG_NET_APP_MY_IPV6_ADDR="2001:db8::1"
+CONFIG_NET_APP_PEER_IPV6_ADDR="2001:db8::2"
+
+CONFIG_NET_APP_MY_IPV4_ADDR="192.168.1.101"
+CONFIG_NET_APP_PEER_IPV4_ADDR="192.168.1.10"
+
+CONFIG_MAIN_STACK_SIZE=2048
+
+# For IPv6
+CONFIG_NET_BUF_DATA_SIZE=256
+
+CONFIG_MBEDTLS=y
+CONFIG_MBEDTLS_BUILTIN=y
+CONFIG_MBEDTLS_ENABLE_HEAP=y
+CONFIG_MBEDTLS_HEAP_SIZE=30000
+CONFIG_MBEDTLS_CFG_FILE="config-mini-tls1_2.h"
+
+CONFIG_ZTEST=y

tests/net/lib/mqtt_publisher/testcase.yaml

@@ -3,3 +3,8 @@ tests:
         build_only: true
         min_ram: 16
         tags: net mqtt
+-   test_tls:
+        build_only: true
+        platform_whitelist: frdm_k64f qemu_x86
+        extra_args: CONF_FILE="prj_tls.conf"
+        tags: net mqtt