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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.snapshot;
19  
20  import static org.mockito.Matchers.any;
21  import static org.mockito.Mockito.mock;
22  import static org.mockito.Mockito.verify;
23  
24  import org.apache.hadoop.hbase.SmallTests;
25  import org.apache.hadoop.hbase.TableName;
26  import org.apache.hadoop.hbase.errorhandling.ForeignException;
27  import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;
28  import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
29  import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
30  import org.junit.Test;
31  import org.junit.experimental.categories.Category;
32  import org.mockito.Mockito;
33  
34  @Category(SmallTests.class)
35  public class TestSnapshotTask {
36  
37    /**
38     * Check that errors from running the task get propagated back to the error listener.
39     */
40    @Test
41    public void testErrorPropagation() throws Exception {
42      ForeignExceptionDispatcher error = mock(ForeignExceptionDispatcher.class);
43      SnapshotDescription snapshot = SnapshotDescription.newBuilder().setName("snapshot")
44          .setTable("table").build();
45      final Exception thrown = new Exception("Failed!");
46      SnapshotTask fail = new SnapshotTask(snapshot, error) {
47        @Override
48        public Void call() {
49          snapshotFailure("Injected failure", thrown);
50          return null;
51        }
52      };
53      fail.call();
54  
55      verify(error, Mockito.times(1)).receive(any(ForeignException.class));
56    }
57  
58  }