Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2759#discussion_r86755620
--- Diff:
flink-streaming-connectors/flink-connector-cassandra/src/test/java/org/apache/flink/streaming/connectors/cassandra/CassandraConnectorITCase.java
---
@@ -318,6 +312,46 @@ protected void verifyResultsDataDiscardingUponRestore(
Assert.assertTrue("The following ID's were not found in the
ResultSet: " + list.toString(), list.isEmpty());
}
+ @Override
+ protected void
verifyResultsWhenScalingDown(CassandraTupleWriteAheadSink<Tuple3<String,
Integer, Integer>> sink) throws Exception {
+
+ ArrayList<Integer> list = new ArrayList<>();
+ for (int x = 1; x < 34; x++) {
+ list.add(x);
+ }
+
+ ResultSet result = session.execute(SELECT_DATA_QUERY);
+ for (Row s : result) {
+ list.remove(new Integer(s.getInt("counter")));
+ }
+ Assert.assertTrue(list.isEmpty());
+ }
+
+ @Override
+ protected void verifyResultsWhenScalingUp(
+ CassandraTupleWriteAheadSink<Tuple3<String, Integer, Integer>>
sink, int startElementCounter, int endElementCounter) {
+
+ // IMPORTANT NOTE:
+ //
+ // for cassandra we always have to start from 1 because
+ // all operators will share the same final db
+
+ ArrayList<Integer> list = new ArrayList<>();
+ for (int i = 1; i <= endElementCounter; i++) {
+ list.add(i);
+ }
+
+ ArrayList<Integer> expected = new ArrayList<>();
--- End diff --
this list does not contain the "expected" values.
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