YvCeung commented on code in PR #7802:
URL: https://github.com/apache/incubator-seata/pull/7802#discussion_r2556218343


##########
rm-datasource/src/test/java/org/apache/seata/rm/datasource/ConnectionContextProxyTest.java:
##########
@@ -131,15 +145,29 @@ public void testReleaseSavepoint() {
         connectionContext.appendUndoItem(new SQLUndoLog());
 
         Assertions.assertEquals(connectionContext.getUndoItems().size(), 2);
-        Assertions.assertEquals(connectionContext.buildLockKeys(), 
"sp3-lock-key;sp1-lock-key");
+
+        List<String> expectedKeysList = Arrays.asList("sp1-lock-key", 
"sp3-lock-key");
+
+        String actualKeys1 = connectionContext.buildLockKeys();
+        List<String> actualKeysList1 = new 
ArrayList<>(Arrays.asList(actualKeys1.split(";")));
+        Collections.sort(actualKeysList1);
+        Assertions.assertEquals(expectedKeysList, actualKeysList1);
 
         connectionContext.releaseSavepoint(sp3);
         Assertions.assertEquals(connectionContext.getUndoItems().size(), 2);
-        Assertions.assertEquals(connectionContext.buildLockKeys(), 
"sp3-lock-key;sp1-lock-key");
+
+        String actualKeys2 = connectionContext.buildLockKeys();
+        List<String> actualKeysList2 = new 
ArrayList<>(Arrays.asList(actualKeys2.split(";")));
+        Collections.sort(actualKeysList2);
+        Assertions.assertEquals(expectedKeysList, actualKeysList2);
 
         connectionContext.releaseSavepoint(null);
         Assertions.assertEquals(connectionContext.getUndoItems().size(), 2);
-        Assertions.assertEquals(connectionContext.buildLockKeys(), 
"sp3-lock-key;sp1-lock-key");
+
+        String actualKeys3 = connectionContext.buildLockKeys();
+        List<String> actualKeysList3 = new 
ArrayList<>(Arrays.asList(actualKeys3.split(";")));
+        Collections.sort(actualKeysList3);
+        Assertions.assertEquals(expectedKeysList, actualKeysList3);
     }

Review Comment:
   I noticed some code duplication. Would it be possible to extract a common 
comparison logic, similar to the following? Of course, the current 
implementation is also fine.
   ```java
   private static void assertLockKeysEqual(String actual, String expected) {
       if (actual == null && expected == null) {
           return;
       }
       Assertions.assertNotNull(actual, "xxx");
       Assertions.assertNotNull(expected, "xxxx");
       
       String[] actualKeys = actual.split(";");
       String[] expectedKeys = expected.split(";");
       
       Arrays.sort(actualKeys);
       Arrays.sort(expectedKeys);
       
       Assertions.assertArrayEquals(
           expectedKeys, 
           actualKeys,
           "xxxxx");
   }
   
   @Test
   public void testBuildLockKeys() throws Exception {
       connectionContext.appendLockKey("abc");
       connectionContext.appendLockKey("bcd");
       
       Assertions.assertTrue(connectionContext.hasLockKey());
       assertLockKeysEqual(connectionContext.buildLockKeys(), "bcd;abc");
   }
   
   ```



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