Examples of org.apache.accumulo.core.client.mock.MockInstance

Package org.apache.accumulo.core.client.mock

Examples of org.apache.accumulo.core.client.mock.MockInstance

org.apache.accumulo.core.client.mock.MockInstance
Mock Accumulo provides an in memory implementation of the Accumulo client API. It is possible that the behavior of this implementation may differ subtly from the behavior of Accumulo. This could result in unit tests that pass on Mock Accumulo and fail on Accumulo or visa-versa. Documenting the differences would be difficult and is not done.
An alternative to Mock Accumulo called MiniAccumuloCluster was introduced in Accumulo 1.5. MiniAccumuloCluster spins up actual Accumulo server processes, can be used for unit testing, and its behavior should match Accumulo. The drawback of MiniAccumuloCluster is that it starts more slowly than Mock Accumulo.

    private CommonAuxiliaryFieldsCellExtractor auxExtractor = new CommonAuxiliaryFieldsCellExtractor();


    @BeforeClass
    public void setupParamsAndInstance()
            throws AccumuloException, AccumuloSecurityException, TableExistsException, TableNotFoundException {
        mockInstance = new MockInstance("testInstance");
        Connector conn = mockInstance.getConnector("user1", "password".getBytes());
        if(conn.tableOperations().exists(PEOPLE_TABLE))
            conn.tableOperations().delete(PEOPLE_TABLE);
        conn.tableOperations().create(PEOPLE_TABLE);
    }

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    private static final Text EVENT2 = new Text("2343");


    @BeforeClass
    public void setupParamsAndInstance()
            throws AccumuloException, AccumuloSecurityException, TableExistsException, TableNotFoundException {
        mockInstance = new MockInstance("testInstance");
        Connector conn = mockInstance.getConnector("user1", "password".getBytes());
        if(conn.tableOperations().exists(PEOPLE_TABLE))
            conn.tableOperations().delete(PEOPLE_TABLE);
        conn.tableOperations().create(PEOPLE_TABLE);
    }

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  public ProxyServer(Properties props) {
    
    String useMock = props.getProperty("useMockInstance");
    if (useMock != null && Boolean.parseBoolean(useMock))
      instance = new MockInstance();
    else
      instance = new ZooKeeperInstance(props.getProperty("instance"), props.getProperty("zookeepers"));
    
    scannerCache = CacheBuilder.newBuilder().expireAfterAccess(10, TimeUnit.MINUTES).maximumSize(1000).removalListener(new CloseScanner()).build();

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          String instance = DataStoreFactory.findProperty(properties, this, INSTANCE_NAME_PROPERTY, null);
          String zookeepers = DataStoreFactory.findProperty(properties, this, ZOOKEEPERS_NAME_PROPERTY, null);
          conn = new ZooKeeperInstance(instance, zookeepers).getConnector(user, password);
          authInfo = new AuthInfo(user, ByteBuffer.wrap(password.getBytes()), conn.getInstance().getInstanceID());
        } else {
          conn = new MockInstance().getConnector(user, password);
        }
  
        if (autoCreateSchema)
          createSchema();
      } catch (AccumuloException e) {

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    bw.close();
  }
  
  @Test
  public void test() throws Exception {
    Instance instance = new MockInstance();
    Connector connector = instance.getConnector("root", new PasswordToken(""));
    BatchWriter bw = connector.createBatchWriter("!METADATA", new BatchWriterConfig());
    
    // Create a fake METADATA table with these splits
    String splits[] = {"a", "e", "j", "o", "t", "z"};
    // create metadata for a table "t" with the splits above

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    ball = new byte[b1.length + b2.length + 1];
    System.arraycopy(b1, 0, ball, 0, b1.length);
    ball[b1.length] = (byte) 0;
    System.arraycopy(b2, 0, ball, b1.length + 1, b2.length);


    Instance instance = new MockInstance();
    Connector conn = instance.getConnector("root", new PasswordToken(new byte[0]));


    conn.tableOperations().create(table);
    BatchWriter bw = conn.createBatchWriter(table, new BatchWriterConfig());
    Mutation m = new Mutation(ball);
    m.put(new byte[0], new byte[0], new byte[0]);

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    return keyValues;
  }


  @Test
  public void test1() throws Exception {
    MockInstance instance = new MockInstance("rft1");
    Connector conn = instance.getConnector("", new PasswordToken(""));


    conn.tableOperations().create("table1");
    BatchWriter bw = conn.createBatchWriter("table1", new BatchWriterConfig());


    for (Mutation m : createMutations()) {

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  }


  @Test
  public void testChainedRowFilters() throws Exception {
    MockInstance instance = new MockInstance("rft1");
    Connector conn = instance.getConnector("", new PasswordToken(""));


    conn.tableOperations().create("chained_row_filters");
    BatchWriter bw = conn.createBatchWriter("chained_row_filters", new BatchWriterConfig());
    for (Mutation m : createMutations()) {
      bw.addMutation(m);

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    assertEquals(new HashSet<String>(Arrays.asList("0", "1", "2", "3", "4")), getRows(scanner));
  }


  @Test
  public void testFilterConjunction() throws Exception {
    MockInstance instance = new MockInstance("rft1");
    Connector conn = instance.getConnector("", new PasswordToken(""));


    conn.tableOperations().create("filter_conjunction");
    BatchWriter bw = conn.createBatchWriter("filter_conjunction", new BatchWriterConfig());
    for (Mutation m : createMutations()) {
      bw.addMutation(m);

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    }
  }
  
  @Test
  public void testMap() throws Exception {
    MockInstance mockInstance = new MockInstance(INSTANCE_NAME);
    Connector c = mockInstance.getConnector("root", new PasswordToken(""));
    c.tableOperations().create(TEST_TABLE_1);
    BatchWriter bw = c.createBatchWriter(TEST_TABLE_1, new BatchWriterConfig());
    for (int i = 0; i < 100; i++) {
      Mutation m = new Mutation(new Text(String.format("%09x", i + 1)));
      m.put(new Text(), new Text(), new Value(String.format("%09x", i).getBytes()));

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