Github user koeninger commented on a diff in the pull request: https://github.com/apache/spark/pull/6632#discussion_r32872490 --- Diff: external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaRDDSuite.scala --- @@ -68,6 +68,21 @@ class KafkaRDDSuite extends SparkFunSuite with BeforeAndAfterAll { val received = rdd.map(_._2).collect.toSet assert(received === messages) + + // size-related method optimizations return sane results + assert(rdd.count === messages.size) + assert(rdd.countApprox(0).getFinalValue.mean === messages.size) + assert(! rdd.isEmpty) + assert(rdd.take(1).size === 1) + assert(messages(rdd.take(1).head._2)) --- End diff -- It's asserting that item taken from the rdd is a member of the set of messages sent On Fri, Jun 19, 2015 at 4:07 PM, Tathagata Das <notificati...@github.com> wrote: > In > external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaRDDSuite.scala > <https://github.com/apache/spark/pull/6632#discussion_r32869380>: > > > @@ -68,6 +68,21 @@ class KafkaRDDSuite extends SparkFunSuite with BeforeAndAfterAll { > > > > val received = rdd.map(_._2).collect.toSet > > assert(received === messages) > > + > > + // size-related method optimizations return sane results > > + assert(rdd.count === messages.size) > > + assert(rdd.countApprox(0).getFinalValue.mean === messages.size) > > + assert(! rdd.isEmpty) > > + assert(rdd.take(1).size === 1) > > + assert(messages(rdd.take(1).head._2)) > > What does this check? Shouldnt it check that rdd.take(1) === "the" // > whatever is expected > > â > Reply to this email directly or view it on GitHub > <https://github.com/apache/spark/pull/6632/files#r32869380>. >
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