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 void test1(String[] metadata, String[] deletes, int expectedInitial, int expected) throws Exception {
    TCredentials auth = CredentialHelper.create("root", new PasswordToken(new byte[0]), "instance");
    
    Instance instance = new MockInstance();
    FileSystem fs = FileSystem.getLocal(CachedConfiguration.getInstance());
    
    load(instance, metadata, deletes);
    
    SimpleGarbageCollector gc = new SimpleGarbageCollector();

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  synchronized public Instance getInstance() {
    if (cachedInstance != null)
      return cachedInstance;
    
    if (mock)
      return cachedInstance = new MockInstance(instance);
    if (instance == null) {
      return cachedInstance = HdfsZooInstance.getInstance();
    }
    return cachedInstance = new ZooKeeperInstance(this.instance, this.zookeepers);
  }

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  synchronized public Instance getInstance() {
    if (cachedInstance != null)
      return cachedInstance;
    
    if (mock)
      return cachedInstance = new MockInstance(instance);
    if (instance == null) {
      return cachedInstance = HdfsZooInstance.getInstance();
    }
    return cachedInstance = new ZooKeeperInstance(this.instance, this.zookeepers);
  }

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  }


  @Override
  public Instance getInstance() {
    if (mock)
      return new MockInstance(instance);
    if (instance == null) {
      return HdfsZooInstance.getInstance();
    }
    return new ZooKeeperInstance(this.instance, this.zookeepers);
  }

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      return ToolRunner.run(CachedConfiguration.getInstance(), new CIFTester(), args);
    }
  }
  
  public void test() throws Exception {
    MockInstance instance = new MockInstance("instance1");
    Connector conn = instance.getConnector("root", new PasswordToken(""));
    conn.tableOperations().create("test");
    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    
    for (Entry<Key,Value> e : data) {
      Key k = e.getKey();

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    assertNull(e1);
    assertNull(e2);
  }
  
  public void testErrorOnNextWithoutClose() throws Exception {
    MockInstance instance = new MockInstance("instance2");
    Connector conn = instance.getConnector("root", new PasswordToken(""));
    conn.tableOperations().create("test");
    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    
    for (Entry<Key,Value> e : data) {
      Key k = e.getKey();

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    assertNull(e2);
    assertNotNull(e3);
  }
  
  public void testInfoWithoutChunks() throws Exception {
    MockInstance instance = new MockInstance("instance3");
    Connector conn = instance.getConnector("root", new PasswordToken(""));
    conn.tableOperations().create("test");
    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    for (Entry<Key,Value> e : baddata) {
      Key k = e.getKey();
      Mutation m = new Mutation(k.getRow());

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  synchronized public Instance getInstance() {
    if (cachedInstance != null)
      return cachedInstance;
    if (mock)
      return cachedInstance = new MockInstance(instance);
    if (siteFile != null) {
      AccumuloConfiguration config = new AccumuloConfiguration() {
        Configuration xml = new Configuration();
        {
          xml.addResource(new Path(siteFile));

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      e.printStackTrace();
    }
  }
  
  public void test() throws Exception {
    Scanner scanner = new MockInstance("counttest").getConnector("root", new PasswordToken("")).createScanner("dirlisttable", new Authorizations());
    scanner.fetchColumn(new Text("dir"), new Text("counts"));
    assertFalse(scanner.iterator().hasNext());
    
    Opts opts = new Opts();
    ScannerOpts scanOpts = new ScannerOpts();

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    assertFalse(pi.hasNext());
  }
  
  public void testWithAccumulo() throws AccumuloException, AccumuloSecurityException, TableExistsException, TableNotFoundException, IOException {
    Connector conn = new MockInstance().getConnector("root", new PasswordToken(""));
    conn.tableOperations().create("test");
    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    
    for (Entry<Key,Value> e : data) {
      Key k = e.getKey();

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