add c template test

.github/workflows/ci.yml

@@ -314,6 +314,23 @@ jobs:
           dora stop --name ci-python-test  --grace-duration 5s
           dora destroy
 
+      - name: "Test CLI (C)"
+        timeout-minutes: 30
+        # fail-fast by using bash shell explictly
+        shell: bash
+        run: |
+          # Test C template Project
+          dora new test_c_project --lang c
+          cd test_c_project
+          dora up
+          dora list
+          cmake -B build
+          cmake --build build
+          cmake --install build
+          dora start dataflow.yml --name ci-c-test
+          sleep 10
+          dora stop --name ci-c-test  --grace-duration 5s
+          dora destroy
   clippy:
     name: "Clippy"
     runs-on: ubuntu-latest

binaries/cli/src/template/c/talker/talker-template.c

@@ -48,10 +48,14 @@ int main()
         else if (ty == DoraEventType_Stop)
         {
             printf("[c node] received stop event\n");
+            free_dora_event(event);
+            break;
         }
         else
         {
             printf("[c node] received unexpected event: %d\n", ty);
+            free_dora_event(event);
+            break;
         }
 
         free_dora_event(event);