[GitHub] [zookeeper] anmolnar commented on a change in pull request #1525: ZOOKEEPER-3994：Disconnect reason is wrong for NOT_READ_ONLY_CLIENT and CLIENT_ZXID_AHEAD

[GitBox <gi...@apache.org>]

anmolnar commented on a change in pull request #1525:
URL: https://github.com/apache/zookeeper/pull/1525#discussion_r520317429



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File path: zookeeper-server/src/test/java/org/apache/zookeeper/server/ZooKeeperServerTest.java
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@@ -135,4 +138,32 @@ public void testInvalidSnapshot() {
         }
     }
 
+    @Test
+    public void testClientZxidAhead() {
+        ZooKeeperServer zooKeeperServer = new ZooKeeperServer();
+        final ZKDatabase zkDatabase = new ZKDatabase(mock(FileTxnSnapLog.class));
+        zooKeeperServer.setZKDatabase(zkDatabase);
+
+        final ByteBuffer output = ByteBuffer.allocate(30);
+        // serialize a connReq
+        output.putInt(1);
+        // lastZxid
+        output.putLong(99L);
+        output.putInt(500);
+        output.putLong(123L);
+        output.putInt(1);
+        output.put((byte) 1);
+        output.put((byte) 1);
+        output.flip();
+
+        try {
+            final NIOServerCnxn nioServerCnxn = mock(NIOServerCnxn.class);
+            zooKeeperServer.processConnectRequest(nioServerCnxn, output);
+        } catch (Exception e) {
+            // expect
+            assertTrue(TestServerCnxn.instanceofCloseRequestException(e));

Review comment:
       Why do you need a subclass to access these methods?




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