smengcl commented on code in PR #3896:
URL: https://github.com/apache/ozone/pull/3896#discussion_r1007616957
##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmSnapshot.java:
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@@ -383,6 +340,78 @@ public void checkKey() throws Exception {
snapshotKeyPrefix + key1);
}
+ @Test
+ public void testListDeleteKey()
+ throws IOException, InterruptedException, TimeoutException {
+ String volume = "vol-" + RandomStringUtils.randomNumeric(5);
+ String bucket = "buc-" + RandomStringUtils.randomNumeric(5);
+ store.createVolume(volume);
+ OzoneVolume vol = store.getVolume(volume);
+ vol.createBucket(bucket);
+ OzoneBucket volbucket = vol.getBucket(bucket);
+
+ String key = "key-";
+ createFileKey(volbucket, key);
+ String snapshotKeyPrefix = createSnapshot(volume, bucket);
+ deleteKeys(volbucket);
+
+ Iterator<? extends OzoneKey> volBucketIter =
+ volbucket.listKeys(snapshotKeyPrefix + "key-");
+ int volBucketKeyCount = 0;
+ while (volBucketIter.hasNext()) {
+ volBucketIter.next();
+ volBucketKeyCount++;
+ }
+ Assert.assertEquals(1, volBucketKeyCount);
+
+ snapshotKeyPrefix = createSnapshot(volume, bucket);
+ Iterator<? extends OzoneKey> volBucketIter2 =
+ volbucket.listKeys(snapshotKeyPrefix);
+ while (volBucketIter2.hasNext()) {
+ fail();
Review Comment:
nit: add a sensible message explaining what is the expected outcome to
assist other dev when debugging this UT just in case it fails. e.g.
```suggestion
fail("The last snapshot should not have any keys in it!");
```
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