@Test
  public void checkForNullDefnsWhenRetrievingAllStreamDefns()
      throws StreamDefinitionStoreException {
    Collection<StreamDefinition> expectedAllStreamDefinitionFromStore =
        cassandraConnector.getAllStreamDefinitionFromStore(getCluster());

    Collection<StreamDefinition> actualAllStreamDefinitionFromStore =
        cassandraConnector.getAllStreamDefinitionFromStore(getCluster());

    assertEquals(
        expectedAllStreamDefinitionFromStore.size(), actualAllStreamDefinitionFromStore.size());
  }
 public static void assertColumns(ColumnFamily cf, String... columnNames) {
   Collection<IColumn> columns = cf == null ? new TreeSet<IColumn>() : cf.getSortedColumns();
   List<String> L = new ArrayList<String>();
   for (IColumn column : columns) {
     L.add(new String(column.name()));
   }
   assert Arrays.equals(L.toArray(new String[columns.size()]), columnNames)
       : "Columns ["
           + ((cf == null) ? "" : cf.getComparator().getColumnsString(columns))
           + "]"
           + " is not expected ["
           + StringUtils.join(columnNames, ",")
           + "]";
 }
 @Test
 public void deleteStreamDefinitionAndId() throws StreamDefinitionStoreException {
   insertEventsFromMultipleStreams();
   insertEventsFromTwoVersions();
   Collection<StreamDefinition> allStreamDefinitionFromStore =
       cassandraConnector.getAllStreamDefinitionFromStore(getCluster());
   int i = 0;
   for (StreamDefinition streamDefinition : allStreamDefinitionFromStore) {
     cassandraConnector.deleteStreamDefinitionFromCassandra(
         getCluster(), streamDefinition.getStreamId());
     i++;
     Collection<StreamDefinition> newAllStreamDefns =
         cassandraConnector.getAllStreamDefinitionFromStore(getCluster());
     assertEquals(allStreamDefinitionFromStore.size() - i, newAllStreamDefns.size());
   }
 }
  @Test
  public void testGetSliceNoMatch() throws Throwable {
    Table table = Table.open("Keyspace1");
    RowMutation rm = new RowMutation("Keyspace1", "row1000");
    ColumnFamily cf = ColumnFamily.create("Keyspace1", "Standard2");
    cf.addColumn(column("col1", "val1", 1));
    rm.add(cf);
    rm.apply();

    validateGetSliceNoMatch(table);
    table.getColumnFamilyStore("Standard2").forceBlockingFlush();
    validateGetSliceNoMatch(table);

    Collection<SSTableReader> ssTables = table.getColumnFamilyStore("Standard2").getSSTables();
    assertEquals(1, ssTables.size());
    ssTables.iterator().next().forceBloomFilterFailures();
    validateGetSliceNoMatch(table);
  }