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author | Bryn Keller <bryn.keller@intel.com> | 2014-03-03 16:38:57 -0800 |
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committer | Matei Zaharia <matei@databricks.com> | 2014-03-03 16:38:57 -0800 |
commit | 923dba5096d4f7a96d67e4ee243b3b1085984bb9 (patch) | |
tree | 4d2efdef997dcdb0675697d1b9ed79e898350e45 /core/src | |
parent | b55cade853003d86356a50c6dba82210c8adb667 (diff) | |
download | spark-923dba5096d4f7a96d67e4ee243b3b1085984bb9.tar.gz spark-923dba5096d4f7a96d67e4ee243b3b1085984bb9.tar.bz2 spark-923dba5096d4f7a96d67e4ee243b3b1085984bb9.zip |
Added a unit test for PairRDDFunctions.lookup
Lookup didn't have a unit test. Added two tests, one for with a partitioner, and one for without.
Author: Bryn Keller <bryn.keller@intel.com>
Closes #36 from xoltar/lookup and squashes the following commits:
3bc0d44 [Bryn Keller] Added a unit test for PairRDDFunctions.lookup
Diffstat (limited to 'core/src')
-rw-r--r-- | core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala b/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala index e3e23775f0..85e8eb5dc3 100644 --- a/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala +++ b/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala @@ -347,6 +347,32 @@ class PairRDDFunctionsSuite extends FunSuite with SharedSparkContext { */ pairs.saveAsNewAPIHadoopFile[ConfigTestFormat]("ignored") } + + test("lookup") { + val pairs = sc.parallelize(Array((1,2), (3,4), (5,6), (5,7))) + + assert(pairs.partitioner === None) + assert(pairs.lookup(1) === Seq(2)) + assert(pairs.lookup(5) === Seq(6,7)) + assert(pairs.lookup(-1) === Seq()) + + } + + test("lookup with partitioner") { + val pairs = sc.parallelize(Array((1,2), (3,4), (5,6), (5,7))) + + val p = new Partitioner { + def numPartitions: Int = 2 + + def getPartition(key: Any): Int = Math.abs(key.hashCode() % 2) + } + val shuffled = pairs.partitionBy(p) + + assert(shuffled.partitioner === Some(p)) + assert(shuffled.lookup(1) === Seq(2)) + assert(shuffled.lookup(5) === Seq(6,7)) + assert(shuffled.lookup(-1) === Seq()) + } } /* |