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[SPARK-14298] [ML] [MLlib] Add unit test for EM LDA disable checkpointing #12286

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[SPARK-14298] [ML] [MLlib] Add unit test for EM LDA disable checkpointing #12286

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Add unit test for EM LDA disable checkpointing
yanboliang Apr 10, 2016
fa36cde
truncate long line
yanboliang Apr 10, 2016
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11 changes: 11 additions & 0 deletions mllib/src/test/scala/org/apache/spark/ml/clustering/LDASuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -289,4 +289,15 @@ class LDASuite extends SparkFunSuite with MLlibTestSparkContext with DefaultRead

assert(model.getCheckpointFiles.isEmpty)
}

test("EM LDA disable checkpointing") {
// Checkpoint dir is set by MLlibTestSparkContext
val lda = new LDA().setK(2).setSeed(1).setOptimizer("em").setMaxIter(3)
.setCheckpointInterval(-1)
val model_ = lda.fit(dataset)
assert(model_.isInstanceOf[DistributedLDAModel])
val model = model_.asInstanceOf[DistributedLDAModel]

assert(model.getCheckpointFiles.isEmpty)
}
}