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.schema.wrapper.GraphDef;
  import com.alibaba.graphscope.groot.coordinator.SchemaManager;
  import com.alibaba.graphscope.groot.coordinator.backup.LocalSnapshotListener;
  import com.alibaba.graphscope.groot.frontend.SnapshotCache;
  
  import org.junit.jupiter.api.Test;
  
  public class LocalSnapshotListenerTest {
  
      @Test
      void testListener() {
          SchemaManager schemaManager = mock(SchemaManager.class);
          GraphDef graphDef = GraphDef.newBuilder().setVersion(3L).build();
          when(schemaManager.getGraphDef()).thenReturn(graphDef);
          SnapshotCache snapshotCache = mock(SnapshotCache.class);
          LocalSnapshotListener listener = new LocalSnapshotListener(schemaManager, snapshotCache);
          listener.snapshotAdvanced(10L, 10L);
          verify(snapshotCache).advanceQuerySnapshotId(eq(10L), eq(graphDef));
          listener.snapshotAdvanced(20L, 10L);
          verify(snapshotCache).advanceQuerySnapshotId(eq(20L), isNull());
      }
  }
  