fix: make write with no writes or deletes a no-op

client/client.go

@@ -1318,6 +1318,10 @@ func (client *OpenFgaClient) WriteExecute(request SdkClientWriteRequestInterface
 		return nil, err
 	}
 
+	if len(request.GetBody().Deletes) == 0 && len(request.GetBody().Writes) == 0 {
+		return &response, nil
+	}
+
 	// Unless explicitly disabled, transaction mode is enabled
 	// In transaction mode, the client will send the request to the server as is
 	if request.GetOptions() == nil || request.GetOptions().Transaction == nil || !request.GetOptions().Transaction.Disable {

client/client_test.go

@@ -1171,6 +1171,28 @@ func TestOpenFgaClient(t *testing.T) {
 		}
 	})
 
+	t.Run("Write with no deletes or writes should not make a request", func(t *testing.T) {
+		requestBody := ClientWriteRequest{
+			Writes: []ClientTupleKey{},
+		}
+		options := ClientWriteOptions{
+			AuthorizationModelId: openfga.PtrString("01GAHCE4YVKPQEKZQHT2R89MQV"),
+		}
+
+		data, err := fgaClient.Write(context.Background()).Body(requestBody).Options(options).Execute()
+		if err != nil {
+			t.Fatalf("%v", err)
+		}
+
+		if len(data.Writes) != 0 {
+			t.Fatalf("OpenFgaClient.Write() - expected %v Writes, got %v", 0, len(data.Writes))
+		}
+
+		if len(data.Deletes) != 0 {
+			t.Fatalf("OpenFgaClient.Write() - expected %v Deletes, got %v", 0, len(data.Deletes))
+		}
+	})
+
 	t.Run("WriteTuples", func(t *testing.T) {
 		test := TestDefinition{
 			Name:           "Write",