Export GetGraphqlServer and accept initialized backend

Signed-off-by: robert-cronin <[email protected]>

cmd/guacgql/cmd/server.go

@@ -79,12 +79,14 @@ func startServer(cmd *cobra.Command) {
 		os.Exit(1)
 	}
 
-	srv, err := getGraphqlServer(ctx)
+	backend, err := backends.Get(flags.backend, ctx, getOpts[flags.backend](ctx))
 	if err != nil {
-		logger.Errorf("unable to initialize graphql server: %v", err)
+		logger.Errorf("error creating %v backend: %w", flags.backend, err)
 		os.Exit(1)
 	}
 
+	srv := GetGraphqlServer(ctx, backend)
+
 	metric, err := setupPrometheus(ctx, "guacgql")
 	if err != nil {
 		logger.Fatalf("Error setting up Prometheus: %v", err)
@@ -172,20 +174,12 @@ func validateFlags() error {
 	return nil
 }
 
-func getGraphqlServer(ctx context.Context) (*handler.Server, error) {
-	var topResolver resolvers.Resolver
-
-	backend, err := backends.Get(flags.backend, ctx, getOpts[flags.backend](ctx))
-	if err != nil {
-		return nil, fmt.Errorf("Error creating %v backend: %w", flags.backend, err)
-	}
-	topResolver = resolvers.Resolver{Backend: backend}
-
+func GetGraphqlServer(ctx context.Context, backend backends.Backend) *handler.Server {
+	topResolver := resolvers.Resolver{Backend: backend}
 	config := generated.Config{Resolvers: &topResolver}
 	config.Directives.Filter = resolvers.Filter
 	srv := handler.NewDefaultServer(generated.NewExecutableSchema(config))
-
-	return srv, nil
+	return srv
 }
 
 func healthHandler(w http.ResponseWriter, r *http.Request) {