Add tests for different input formats (#2006)

Signed-off-by: ZePan110 <ze.pan@intel.com>

Author: ZePan110

CodeGen/tests/test_compose_on_gaudi.sh

@@ -143,6 +143,13 @@ function validate_megaservice() {
         "codegen-gaudi-backend-server" \
         '{ "index_name": "test_redis", "agents_flag": "True", "messages": "def print_hello_world():", "max_tokens": 256}'
 
+    validate_services \
+        "${ip_address}:7778/v1/codegen" \
+        "class" \
+        "mega-codegen" \
+        "codegen-xeon-backend-server" \
+        '{"model": "Qwen/Qwen2.5-Coder-7B-Instruct", "messages": [{"role": "user", "content": "Implement a basic Python class"}], "max_tokens":32}'
+
 }
 
 function validate_frontend() {

CodeGen/tests/test_compose_on_xeon.sh

@@ -146,6 +146,13 @@ function validate_megaservice() {
         "codegen-xeon-backend-server" \
         '{ "index_name": "test_redis", "agents_flag": "True", "messages": "def print_hello_world():", "max_tokens": 256}'
 
+    validate_services \
+        "${ip_address}:7778/v1/codegen" \
+        "class" \
+        "mega-codegen" \
+        "codegen-xeon-backend-server" \
+        '{"model": "Qwen/Qwen2.5-Coder-7B-Instruct", "messages": [{"role": "user", "content": "Implement a basic Python class"}], "max_tokens":32}'
+
 }
 
 function validate_frontend() {