content: /**
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * <p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
   * except in compliance with the License. You may obtain a copy of the License at
   *
   * <p>http://www.apache.org/licenses/LICENSE-2.0
   *
   * <p>Unless required by applicable law or agreed to in writing, software distributed under the
   * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
   * express or implied. See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.graphscope.groot.tests.coordinator;
  
  import static org.mockito.Mockito.*;
  
  import com.alibaba.graphscope.groot.common.config.CommonConfig;
  import com.alibaba.graphscope.groot.common.config.Configs;
  import com.alibaba.graphscope.groot.coordinator.IngestorSnapshotClient;
  import com.alibaba.graphscope.groot.coordinator.IngestorWriteSnapshotIdNotifier;
  import com.alibaba.graphscope.groot.rpc.RoleClients;
  
  import org.junit.jupiter.api.Test;
  
  public class IngestorWriteSnapshotIdNotifierTest {
  
      @Test
      void testNotifier() {
          Configs configs =
                  Configs.newBuilder().put(CommonConfig.FRONTEND_NODE_COUNT.getKey(), "1").build();
          RoleClients<IngestorSnapshotClient> roleClients = mock(RoleClients.class);
          IngestorSnapshotClient ingestorSnapshotClient = mock(IngestorSnapshotClient.class);
          when(roleClients.getClient(0)).thenReturn(ingestorSnapshotClient);
  
          IngestorWriteSnapshotIdNotifier notifier =
                  new IngestorWriteSnapshotIdNotifier(configs, roleClients);
          notifier.notifyWriteSnapshotIdChanged(10L);
          verify(ingestorSnapshotClient).advanceIngestSnapshotId(eq(10L), any());
      }
  }
  