private void testAppDataSources(boolean appendQIDToTopic) throws Exception {
StramLocalCluster lc = new StramLocalCluster(dag);
lc.runAsync();
StreamingContainerManager dnmgr = lc.dnmgr;
List<AppDataSource> appDataSources = dnmgr.getAppDataSources();
Assert.assertEquals("There should be exactly one data source", 1, appDataSources.size());
AppDataSource ads = appDataSources.get(0);
Assert.assertEquals("Data Source name verification", "ds.result", ads.getName());
AppDataSource.QueryInfo query = ads.getQuery();
Assert.assertEquals("Query operator name verification", "q", query.operatorName);
Assert.assertEquals("Query topic verification", "xyz.query", query.topic);
Assert.assertEquals("Query URL verification", "ws://123.123.123.123:9090/pubsub", query.url);
AppDataSource.ResultInfo result = ads.getResult();
Assert.assertEquals("Result operator name verification", "r", result.operatorName);
Assert.assertEquals("Result topic verification", "xyz.result", result.topic);
Assert.assertEquals("Result URL verification", "ws://123.123.123.124:9090/pubsub", result.url);
Assert.assertEquals(
"Result QID append verification", appendQIDToTopic, result.appendQIDToTopic);
lc.shutdown();
}