mridulm commented on code in PR #41821:
URL: https://github.com/apache/spark/pull/41821#discussion_r1257003322
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resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala:
##########
@@ -44,6 +47,76 @@ class ClientDistributedCacheManagerSuite extends
SparkFunSuite with MockitoSugar
}
}
+ test("SPARK-44272: test addResource added FileStatus to statCache and
getVisibility can read" +
+ " from statCache") {
+ val distMgr = mock[ClientDistributedCacheManager]
+ val fs = mock[FileSystem]
+ val conf = new Configuration()
+ val destPath = new Path("file:///foo.invalid.com:8080/tmp/testing")
+ val destURI = destPath.toUri
+ val localResources = HashMap[String, LocalResource]()
+ val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]()
+
+ when(distMgr.checkPermissionOfOther(any[FileSystem], any[URI],
any[FsAction],
+ any[Map[URI, FileStatus]])).thenAnswer((invocation: InvocationOnMock) =>
{
+ val uri = invocation.getArgument[URI](1)
+ val statCache = invocation.getArgument[Map[URI, FileStatus]](3)
+ assert(statCache.contains(uri))
+ true
+ })
+
+ when(distMgr.isPublic(any[Configuration], any[URI], any[Map[URI,
FileStatus]])).
+ thenAnswer((invocation: InvocationOnMock) => {
+ val uri = invocation.getArgument[URI](1)
+ val statCache = invocation.getArgument[Map[URI, FileStatus]](2)
+ distMgr.checkPermissionOfOther(fs, uri, FsAction.READ, statCache)
+ true
+ })
+
+ when(distMgr.getVisibility(any[Configuration], any[URI], any[Map[URI,
FileStatus]])).
+ thenAnswer((invocation: InvocationOnMock) => {
+ val uri = invocation.getArgument[URI](1)
+ val statCache = invocation.getArgument[Map[URI, FileStatus]](2)
+ distMgr.isPublic(conf, uri, statCache)
+ LocalResourceVisibility.PRIVATE
+ })
+
+ when(distMgr.addResource(any[FileSystem], any[Configuration], any[Path],
+ any[HashMap[String, LocalResource]], any[LocalResourceType], any[String],
+ any[Map[URI, FileStatus]], any[Boolean])).thenAnswer((invocation:
InvocationOnMock) => {
+ val destPath = invocation.getArgument[Path](2)
+ val statCache = invocation.getArgument[Map[URI, FileStatus]](6)
+
+ statCache.getOrElseUpdate(destPath.toUri, fs.getFileStatus(destPath))
+ assert(statCache.contains(destURI))
+ distMgr.getVisibility(conf, destPath.toUri(), statCache)
+ })
+
+ distMgr.addResource(fs, conf, destPath, localResources,
LocalResourceType.FILE, "link",
+ statCache, false)
Review Comment:
For this test, shouldn't it not be sufficient to mock `getFileStatus` and
return our own `FileStatus` ?
This can verify that cache is being used (only one invocation for a path),
and expected number of invocations (using `verify`) - this will be more robust
to implementation and/or refactoring changes in this class as it evolves.
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