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The following commit(s) were added to refs/heads/master by this push:
     new 231592705c HDDS-12476. Add TestDataUtil#createKey variant with small 
random content (#8028)
231592705c is described below

commit 231592705c8a71da6b91b3ebedea497544e448b2
Author: Chia-Chuan Yu <[email protected]>
AuthorDate: Sat Mar 8 15:45:24 2025 +0800

    HDDS-12476. Add TestDataUtil#createKey variant with small random content 
(#8028)
---
 .../hadoop/fs/ozone/TestOzoneFSWithObjectStoreCreate.java | 15 +++++----------
 .../test/java/org/apache/hadoop/ozone/TestDataUtil.java   |  7 +++++++
 .../java/org/apache/hadoop/ozone/om/TestListKeys.java     |  8 ++------
 .../org/apache/hadoop/ozone/om/TestListKeysWithFSO.java   |  9 ++-------
 .../apache/hadoop/ozone/om/TestObjectStoreWithFSO.java    |  9 ++-------
 .../apache/hadoop/ozone/om/TestRecursiveAclWithFSO.java   |  8 ++++----
 .../ozone/om/snapshot/TestOmSnapshotFileSystem.java       | 11 ++++-------
 7 files changed, 26 insertions(+), 41 deletions(-)

diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/fs/ozone/TestOzoneFSWithObjectStoreCreate.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/fs/ozone/TestOzoneFSWithObjectStoreCreate.java
index f72b4c9f4d..0f5f24fd66 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/fs/ozone/TestOzoneFSWithObjectStoreCreate.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/fs/ozone/TestOzoneFSWithObjectStoreCreate.java
@@ -21,7 +21,6 @@
 import static org.apache.hadoop.ozone.OzoneConsts.ETAG;
 import static org.apache.hadoop.ozone.OzoneConsts.MD5_HASH;
 import static org.apache.hadoop.ozone.OzoneConsts.OZONE_URI_SCHEME;
-import static org.apache.hadoop.ozone.TestDataUtil.createKey;
 import static 
org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes.NOT_A_FILE;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -352,13 +351,9 @@ public void testListKeysWithNotNormalizedPath() throws 
Exception {
     keys.add(OmUtils.normalizeKey(key2, false));
     keys.add(OmUtils.normalizeKey(key3, false));
 
-    int length = 10;
-    byte[] input = new byte[length];
-    Arrays.fill(input, (byte)96);
-
-    createAndAssertKey(ozoneBucket, key1, 10, input);
-    createAndAssertKey(ozoneBucket, key2, 10, input);
-    createAndAssertKey(ozoneBucket, key3, 10, input);
+    createAndAssertKey(ozoneBucket, key1, 10);
+    createAndAssertKey(ozoneBucket, key2, 10);
+    createAndAssertKey(ozoneBucket, key3, 10);
 
     // Iterator with key name as prefix.
 
@@ -403,10 +398,10 @@ private void checkKeyList(Iterator<? extends OzoneKey > 
ozoneKeyIterator,
     assertEquals(keys, outputKeys);
   }
 
-  private void createAndAssertKey(OzoneBucket ozoneBucket, String key, int 
length, byte[] input)
+  private void createAndAssertKey(OzoneBucket ozoneBucket, String key, int 
length)
       throws Exception {
     
-    createKey(ozoneBucket, key, input);
+    byte[] input = TestDataUtil.createStringKey(ozoneBucket, key, length);
     // Read the key with given key name.
     readKey(ozoneBucket, key, length, input);
 
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/TestDataUtil.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/TestDataUtil.java
index 8215c7a5a4..ab6e7de9c7 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/TestDataUtil.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/TestDataUtil.java
@@ -104,6 +104,13 @@ public static OzoneVolume createVolume(OzoneClient client,
 
   }
 
+  public static byte[] createStringKey(OzoneBucket bucket, String keyName, int 
length)
+      throws IOException {
+    byte[] content = 
RandomStringUtils.secure().nextAlphanumeric(length).getBytes(UTF_8);
+    createKey(bucket, keyName, content);
+    return content;
+  }
+
   public static void createKey(OzoneBucket bucket, String keyName,
                                byte[] content) throws IOException {
     createKey(bucket, keyName, null, content);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeys.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeys.java
index 2f98caeb69..7956222bbe 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeys.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeys.java
@@ -20,7 +20,6 @@
 import static com.google.common.collect.Lists.newLinkedList;
 import static 
org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_CLIENT_LIST_CACHE_SIZE;
 import static 
org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_FS_ITERATE_BATCH_SIZE;
-import static org.apache.hadoop.ozone.TestDataUtil.createKey;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.params.provider.Arguments.of;
 
@@ -371,13 +370,10 @@ private void checkKeyShallowList(String keyPrefix, String 
startKey,
 
   private static void createAndAssertKeys(OzoneBucket ozoneBucket, 
List<String> keys)
       throws Exception {
-    int length = 10;
-    byte[] input = new byte[length];
-    Arrays.fill(input, (byte) 96);
     for (String key : keys) {
-      createKey(ozoneBucket, key, input);
+      byte[] input = TestDataUtil.createStringKey(ozoneBucket, key, 10);
       // Read the key with given key name.
-      readkey(ozoneBucket, key, length, input);
+      readkey(ozoneBucket, key, 10, input);
     }
   }
 
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeysWithFSO.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeysWithFSO.java
index c8e8c21995..73b064720e 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeysWithFSO.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeysWithFSO.java
@@ -19,12 +19,10 @@
 
 import static 
org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_CLIENT_LIST_CACHE_SIZE;
 import static 
org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_FS_ITERATE_BATCH_SIZE;
-import static org.apache.hadoop.ozone.TestDataUtil.createKey;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
@@ -643,13 +641,10 @@ private void checkKeyShallowList(String keyPrefix, String 
startKey,
 
   private static void createAndAssertKeys(OzoneBucket ozoneBucket, 
List<String> keys)
       throws Exception {
-    int length = 10;
-    byte[] input = new byte[length];
-    Arrays.fill(input, (byte) 96);
     for (String key : keys) {
-      createKey(ozoneBucket, key, input);
+      byte[] input = TestDataUtil.createStringKey(ozoneBucket, key, 10);
       // Read the key with given key name.
-      readkey(ozoneBucket, key, length, input);
+      readkey(ozoneBucket, key, 10, input);
     }
   }
 
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestObjectStoreWithFSO.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestObjectStoreWithFSO.java
index 18309fb9b6..eaaedda5cf 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestObjectStoreWithFSO.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestObjectStoreWithFSO.java
@@ -22,7 +22,6 @@
 import static 
org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_FS_ITERATE_BATCH_SIZE;
 import static org.apache.hadoop.ozone.OzoneConsts.OZONE_URI_DELIMITER;
 import static org.apache.hadoop.ozone.OzoneConsts.OZONE_URI_SCHEME;
-import static org.apache.hadoop.ozone.TestDataUtil.createKey;
 import static 
org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes.KEY_ALREADY_EXISTS;
 import static 
org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes.KEY_NOT_FOUND;
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -559,14 +558,10 @@ private void checkKeyList(Iterator<? extends OzoneKey > 
ozoneKeyIterator,
   private void createAndAssertKeys(OzoneBucket ozoneBucket, List<String> keys)
       throws Exception {
 
-    int length = 10;
-    byte[] input = new byte[length];
-    Arrays.fill(input, (byte) 96);
-
     for (String key : keys) {
-      createKey(ozoneBucket, key, input);
+      byte[] input = TestDataUtil.createStringKey(ozoneBucket, key, 10);
       // Read the key with given key name.
-      readKey(ozoneBucket, key, length, input);
+      readKey(ozoneBucket, key, 10, input);
     }
   }
 
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestRecursiveAclWithFSO.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestRecursiveAclWithFSO.java
index 556f526403..7391eca3fa 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestRecursiveAclWithFSO.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestRecursiveAclWithFSO.java
@@ -33,6 +33,7 @@
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.hadoop.hdds.protocol.StorageType;
 import org.apache.hadoop.ozone.OzoneAcl;
+import org.apache.hadoop.ozone.TestDataUtil;
 import org.apache.hadoop.ozone.client.BucketArgs;
 import org.apache.hadoop.ozone.client.ObjectStore;
 import org.apache.hadoop.ozone.client.OzoneBucket;
@@ -329,12 +330,11 @@ private void setKeyAcl(ObjectStore objectStore, String 
volumeName,
 
   private void createKeys(ObjectStore objectStore, OzoneBucket ozoneBucket,
       List<String> keys) throws Exception {
-    int length = 10;
+
     String aclWorldAll = "world::a";
-    byte[] input = new byte[length];
-    Arrays.fill(input, (byte) 96);
+
     for (String key : keys) {
-      createKey(ozoneBucket, key, input);
+      TestDataUtil.createStringKey(ozoneBucket, key, 10);
       setKeyAcl(objectStore, ozoneBucket.getVolumeName(), 
ozoneBucket.getName(),
           key, aclWorldAll);
     }
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshotFileSystem.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshotFileSystem.java
index a25f552185..30444b9aac 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshotFileSystem.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshotFileSystem.java
@@ -349,18 +349,15 @@ private void checkKeyList(Iterator<? extends OzoneKey> 
ozoneKeyIterator,
 
   private void createKeys(OzoneBucket ozoneBucket, List<String> keys)
       throws Exception {
-    int length = 10;
-    byte[] input = new byte[length];
-    Arrays.fill(input, (byte) 96);
     for (String key : keys) {
-      createKey(ozoneBucket, key, 10, input);
+      createKey(ozoneBucket, key, 10);
     }
   }
 
-  private void createKey(OzoneBucket ozoneBucket, String key, int length,
-                         byte[] input) throws Exception {
+  private void createKey(OzoneBucket ozoneBucket, String key, int length)
+      throws Exception {
 
-    TestDataUtil.createKey(ozoneBucket, key, input);
+    byte[] input = TestDataUtil.createStringKey(ozoneBucket, key, length);
     // Read the key with given key name.
     readkey(ozoneBucket, key, length, input);
   }


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