anmolanmol1234 commented on code in PR #7777:
URL: https://github.com/apache/hadoop/pull/7777#discussion_r2212611621
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hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemChecksum.java:
##########
@@ -61,9 +64,36 @@ public class ITestAzureBlobFileSystemChecksum extends
AbstractAbfsIntegrationTes
private static final int MB_15 = 15 * ONE_MB;
private static final int MB_16 = 16 * ONE_MB;
private static final String INVALID_MD5_TEXT = "Text for Invalid MD5
Computation";
+ private MessageDigest md = null;
public ITestAzureBlobFileSystemChecksum() throws Exception {
super();
+ try {
+ md = MessageDigest.getInstance(MD5);
+ } catch (NoSuchAlgorithmException e) {
+ // MD5 algorithm not available; md will remain null
+ }
+ }
+
+ /**
+ * Computes the MD5 checksum of a specified portion of the input byte array.
+ *
+ * @param data The byte array containing the data to compute the MD5
checksum for.
+ * @param off The starting offset in the byte array.
+ * @param length The number of bytes to include in the checksum computation.
+ * @return The Base64-encoded MD5 checksum of the specified data, or null if
the digest is empty.
+ * @throws IllegalArgumentException If the offset or length is invalid for
the given byte array.
+ */
+ public String getMd5(byte[] data, int off, int length) {
Review Comment:
makes sense, taken
##########
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestWasbAbfsCompatibility.java:
##########
@@ -42,10 +51,28 @@
* Test compatibility between ABFS client and WASB client.
*/
public class ITestWasbAbfsCompatibility extends AbstractAbfsIntegrationTest {
+
Review Comment:
taken
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