azagrebin commented on a change in pull request #6782: [FLINK-9083][Cassandra
Connector] Add async backpressure support to Cassandra Connector
URL: https://github.com/apache/flink/pull/6782#discussion_r224486780
##########
File path:
flink-connectors/flink-connector-cassandra/src/test/java/org/apache/flink/streaming/connectors/cassandra/CassandraSinkBaseTest.java
##########
@@ -204,23 +206,113 @@ public void go() throws Exception {
Thread.sleep(5);
}
- Assert.assertEquals(1, casSinkFunc.getNumOfPendingRecords());
+ Assert.assertEquals(1, casSinkFunc.getAcquiredPermits());
completableFuture.complete(null);
- Assert.assertEquals(0, casSinkFunc.getNumOfPendingRecords());
+ Assert.assertEquals(0, casSinkFunc.getAcquiredPermits());
}
- private static class TestCassandraSink extends
CassandraSinkBase<String, ResultSet> {
+ @Test(timeout = 5000)
+ public void testAcquireOnInvoke() throws Exception {
+ TestCassandraSink casSinkFunc = new TestCassandraSink();
+ casSinkFunc.setMaxConcurrentRequests(1, 5,
TimeUnit.MILLISECONDS);
+
+ casSinkFunc.open(new Configuration());
+
+ CompletableFuture<ResultSet> completableFuture = new
CompletableFuture<>();
+
+
casSinkFunc.setResultSetFuture(ResultSetFutures.fromCompletableFuture(completableFuture));
+
+ Assert.assertEquals(1, casSinkFunc.getAvailablePermits());
+ Assert.assertEquals(0, casSinkFunc.getAcquiredPermits());
+
+ casSinkFunc.invoke("hello");
+
+ Assert.assertEquals(0, casSinkFunc.getAvailablePermits());
+ Assert.assertEquals(1, casSinkFunc.getAcquiredPermits());
+
+ completableFuture.complete(null);
+
+ casSinkFunc.close();
+ }
+
+ @Test(timeout = 5000)
+ public void testReleaseOnSuccess() throws Exception {
Review comment:
Is not this case already covered with the following 2 tests in the beginning?
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