m1a2st commented on code in PR #19355:
URL: https://github.com/apache/kafka/pull/19355#discussion_r2045837695


##########
clients/src/test/java/org/apache/kafka/clients/admin/internals/ListTransactionsHandlerTest.java:
##########
@@ -86,6 +87,32 @@ public void testBuildRequestWithFilteredState() {
         assertEquals(Collections.emptyList(), 
request.data().producerIdFilters());
     }
 
+
+    @Test
+    public void testBuildRequestWithFilteredTransactionalIdPattern() {
+        int brokerId = 1;
+        BrokerKey brokerKey = new BrokerKey(OptionalInt.of(brokerId));
+        String filteredTransactionalIdPattern = "^special-.*";
+        ListTransactionsOptions options = new ListTransactionsOptions()
+            .filterOnTransactionalIdPattern(filteredTransactionalIdPattern);
+        ListTransactionsHandler handler = new ListTransactionsHandler(options, 
logContext);
+        ListTransactionsRequest request = 
handler.buildBatchedRequest(brokerId, singleton(brokerKey)).build();
+        assertEquals(filteredTransactionalIdPattern, 
request.data().transactionalIdPatternFilter());
+        assertEquals(Collections.emptyList(), request.data().stateFilters());

Review Comment:
   `Collections.emptyList()` can instead of `List.of()`



##########
clients/src/test/java/org/apache/kafka/clients/admin/internals/ListTransactionsHandlerTest.java:
##########
@@ -86,6 +87,32 @@ public void testBuildRequestWithFilteredState() {
         assertEquals(Collections.emptyList(), 
request.data().producerIdFilters());
     }
 
+
+    @Test
+    public void testBuildRequestWithFilteredTransactionalIdPattern() {
+        int brokerId = 1;
+        BrokerKey brokerKey = new BrokerKey(OptionalInt.of(brokerId));
+        String filteredTransactionalIdPattern = "^special-.*";
+        ListTransactionsOptions options = new ListTransactionsOptions()
+            .filterOnTransactionalIdPattern(filteredTransactionalIdPattern);
+        ListTransactionsHandler handler = new ListTransactionsHandler(options, 
logContext);
+        ListTransactionsRequest request = 
handler.buildBatchedRequest(brokerId, singleton(brokerKey)).build();
+        assertEquals(filteredTransactionalIdPattern, 
request.data().transactionalIdPatternFilter());
+        assertEquals(Collections.emptyList(), request.data().stateFilters());
+    }
+
+    @Test
+    public void testBuildRequestWithEmptyFilteredTransactionalIdPattern() {
+        int brokerId = 1;
+        BrokerKey brokerKey = new BrokerKey(OptionalInt.of(brokerId));
+        String filteredTransactionalIdPattern = "";
+        ListTransactionsOptions options = new ListTransactionsOptions()
+            .filterOnTransactionalIdPattern(filteredTransactionalIdPattern);
+        ListTransactionsHandler handler = new ListTransactionsHandler(options, 
logContext);
+        ListTransactionsRequest request = 
handler.buildBatchedRequest(brokerId, singleton(brokerKey)).build();

Review Comment:
   `singleton()` can instead of `Set.of()`



##########
tools/src/test/java/org/apache/kafka/tools/TransactionsCommandTest.java:
##########
@@ -304,6 +304,42 @@ public void testDescribeTransaction() throws Exception {
         assertEquals(expectedRow, table.get(1));
     }
 
+        @Test
+    public void testListTransactionsWithTransactionalIdPattern() throws 
Exception {
+        String[] args = new String[] {
+            "--bootstrap-server",
+            "localhost:9092",
+            "list",
+            "--transactional-id-pattern-filter",
+            "ba.*"
+        };
+
+        Map<Integer, Collection<TransactionListing>> transactions = new 
HashMap<>();
+        transactions.put(0, asList(
+            new TransactionListing("bar", 98765L, 
TransactionState.PREPARE_ABORT)
+        ));
+        transactions.put(1, singletonList(
+            new TransactionListing("baz", 13579L, 
TransactionState.COMPLETE_COMMIT)
+        ));
+
+        expectListTransactions(new 
ListTransactionsOptions().filterOnTransactionalIdPattern("ba.*"), transactions);
+
+        execute(args);
+        assertNormalExit();
+
+        List<List<String>> table = readOutputAsTable();
+        assertEquals(3, table.size());
+
+        // Assert expected headers
+        List<String> expectedHeaders = 
TransactionsCommand.ListTransactionsCommand.HEADERS;
+        assertEquals(expectedHeaders, table.get(0));
+        Set<List<String>> expectedRows = Set.of(
+            asList("bar", "0", "98765", "PrepareAbort"),

Review Comment:
   `asList()` can instead of `List.of()`



##########
tools/src/test/java/org/apache/kafka/tools/TransactionsCommandTest.java:
##########
@@ -304,6 +304,42 @@ public void testDescribeTransaction() throws Exception {
         assertEquals(expectedRow, table.get(1));
     }
 
+        @Test
+    public void testListTransactionsWithTransactionalIdPattern() throws 
Exception {
+        String[] args = new String[] {
+            "--bootstrap-server",
+            "localhost:9092",
+            "list",
+            "--transactional-id-pattern-filter",
+            "ba.*"
+        };
+
+        Map<Integer, Collection<TransactionListing>> transactions = new 
HashMap<>();
+        transactions.put(0, asList(
+            new TransactionListing("bar", 98765L, 
TransactionState.PREPARE_ABORT)
+        ));
+        transactions.put(1, singletonList(
+            new TransactionListing("baz", 13579L, 
TransactionState.COMPLETE_COMMIT)
+        ));

Review Comment:
   `asList()` and `singletonList` can instead of `List.of()`



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