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Merged
SemyonSinchenko merged 2 commits into from
Aug 24, 2026
Merged

chore: add test for 873 #886

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4d6f144
chore: add test for 873
SemyonSinchenko Aug 24, 2026
88d8a5a
chore: more ram for tests
SemyonSinchenko Aug 24, 2026
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chore: add test for 873
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@SemyonSinchenko
SemyonSinchenko committed Aug 24, 2026
commit 4d6f1440c5055564aae1ae730f54c6b2ce003e11
1 change: 1 addition & 0 deletions core/src/test/scala/org/graphframes/GraphFrameTestSparkContext.scala
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Expand Up @@ -57,6 +57,7 @@ trait GraphFrameTestSparkContext extends BeforeAndAfterAll { self: Suite =>
.master("local[2]")
.appName("GraphFramesUnitTest")
.config("spark.sql.shuffle.partitions", 4)
.config("spark.sql.adaptive.enabled", "true")
.getOrCreate()

val checkpointDir = Files.createTempDirectory(this.getClass.getName).toString
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18 changes: 18 additions & 0 deletions core/src/test/scala/org/graphframes/lib/ConnectedComponentsSuite.scala
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Expand Up @@ -103,6 +103,24 @@ class ConnectedComponentsSuite extends SparkFunSuite with GraphFrameTestSparkCon
else ""}${if (useSkewedJoin) ", skewed join" else ", AQE join"}"
val broadcastThreshold = if (useSkewedJoin) 1000000 else -1

test(s"non trivial graph #873$testPostfixName") {
val edges = spark
.createDataFrame(
Seq((1L, 2L), (2L, 3L), (3L, 4L), (4L, 5L), (5L, 1L), (6L, 7L), (7L, 8L), (8L, 6L)))
.toDF("src", "dst")

val vertices =
edges.select("src").union(edges.select("dst")).distinct().withColumnRenamed("src", "id")
val g = GraphFrame(vertices, edges)

val result = g.connectedComponents
.setBroadcastThreshold(broadcastThreshold)
.setUseLocalCheckpoints(useLocalCheckpoint)
.run()
val numComps = result.select("component").distinct().count()
assert(numComps == 2L)
}

test(s"empty graph$testPostfixName") {
for (empty <- Seq(Graphs.empty[Int], Graphs.empty[Long], Graphs.empty[String])) {
val components = empty.connectedComponents
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