mukund-thakur commented on a change in pull request #2257:
URL: https://github.com/apache/hadoop/pull/2257#discussion_r484259633
##########
File path:
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AFileOperationCost.java
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@@ -176,6 +176,77 @@ public void testCostOfListFilesOnNonExistingDir() throws
Throwable {
.plus(GET_FILE_STATUS_FNFE)));
}
+ @Test
+ public void testCostOfListStatusOnFile() throws Throwable {
+ describe("Performing listStatus() on a file");
+ Path file = path(getMethodName() + ".txt");
+ S3AFileSystem fs = getFileSystem();
+ touch(fs, file);
+ verifyMetrics(() ->
+ fs.listStatus(file),
+ whenRaw(LIST_STATUS_LIST_OP
+ .plus(GET_FILE_STATUS_ON_FILE)),
+ whenAuthoritative(LIST_STATUS_LIST_OP),
+ whenNonauth(LIST_STATUS_LIST_OP));
+// resetMetricDiffs();
+// fs.listStatus(file);
+// if (!fs.hasMetadataStore()) {
+// metadataRequests.assertDiffEquals(1);
+// }
+// listRequests.assertDiffEquals(1);
+ }
+
+ @Test
+ public void testCostOfListStatusOnEmptyDir() throws Throwable {
+ describe("Performing listStatus() on an empty dir");
+ Path dir = path(getMethodName());
+ S3AFileSystem fs = getFileSystem();
+ fs.mkdirs(dir);
+ verifyMetrics(() ->
+ fs.listStatus(dir),
+ whenRaw(LIST_STATUS_LIST_OP
Review comment:
Sure Thanks :)
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