Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/3704#discussion_r21851601
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/rdd/WriteAheadLogBackedBlockRDDSuite.scala
---
@@ -38,36 +38,42 @@ class WriteAheadLogBackedBlockRDDSuite extends FunSuite
with BeforeAndAfterAll {
var blockManager: BlockManager = null
var dir: File = null
+ override def beforeEach(): Unit = {
+ dir = Files.createTempDir()
+ }
+
+ override def afterEach(): Unit = {
+ dir.delete()
--- End diff --
This doesn't work if the dir is not empty. You could use
`Utils.createTempDir()` and, optionally, `Utils.deleteRecursively()` (since
`createTempDir` already takes care of that for you).
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