@Test
public void testPrepare() {

    ChatAlyticsConfig config = new ChatAlyticsConfig();
    config.computeConfig.apiRetries = 0;
    config.persistenceUnitName = "chatalytics-db-test";
    Map<Object, Object> stormConf = Maps.newHashMapWithExpectedSize(1);
    stormConf.put(ConfigurationConstants.CHATALYTICS_CONFIG.txt, YamlUtils.writeYaml(config));
    TopologyContext context = mock(TopologyContext.class);
    BasicOutputCollector collector = mock(BasicOutputCollector.class);
    underTest.prepare(stormConf, context);
    verifyZeroInteractions(context);
    verifyZeroInteractions(collector);
}