Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/16251#discussion_r92558557
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/streaming/FileStreamSourceSuite.scala
---
@@ -1059,6 +1060,72 @@ class FileStreamSourceSuite extends
FileStreamSourceTest {
val str =
Source.fromFile(getClass.getResource(s"/structured-streaming/$file").toURI).mkString
SerializedOffset(str.trim)
}
+
+ test("FileStreamSource - latestFirst") {
+ withTempDir { src =>
+ // Prepare two files: 1.txt, 2.txt, and make sure they have
different modified time.
+ val f1 = stringToFile(new File(src, "1.txt"), "1")
+ val f2 = stringToFile(new File(src, "2.txt"), "2")
+ eventually(timeout(streamingTimeout)) {
--- End diff --
why use eventually? Why not just set f1.setLatModified(f2.lastModified +
1000)
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