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no need to run every parallelism value #2829

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no need to run every parallelism value #2829

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4d9a081
no need to run every parallelism value
pjfanning Mar 31, 2026
0897ac4
Update FlowFlatMapConcatParallelismSpec.scala
pjfanning Apr 1, 2026
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9 changes: 6 additions & 3 deletions ...ts/src/test/scala/org/apache/pekko/stream/scaladsl/FlowFlatMapConcatParallelismSpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -47,9 +47,12 @@ class FlowFlatMapConcatParallelismSpec extends StreamSpec("""
val toSeq = Flow[Int].grouped(1000).toMat(Sink.head)(Keep.right)

class BoomException extends RuntimeException("BOOM~~") with NoStackTrace

val checkValues = List(1, 2, 4, 8, 16, 32, 64, 128)

"A flatMapConcat" must {

for (i <- 1 until 129) {
for (i <- checkValues) {
s"work with value presented sources with parallelism: $i" in {
Source(
List(
Expand Down Expand Up @@ -98,7 +101,7 @@ class FlowFlatMapConcatParallelismSpec extends StreamSpec("""
(sum, seq)
}

for (i <- 1 until 129) {
for (i <- checkValues) {
s"work with generated value presented sources with parallelism: $i " in {
val (sum, sources @ _) = generateRandomValuePresentedSources(100000)
Source(sources)
Expand All @@ -109,7 +112,7 @@ class FlowFlatMapConcatParallelismSpec extends StreamSpec("""
}
}

for (i <- 1 until 129) {
for (i <- checkValues) {
s"work with generated value sequenced sources with parallelism: $i " in {
val (sum, sources @ _) = generateSequencedValuePresentedSources(100000)
Source(sources)
Expand Down
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