From b074675c37b2d76ef18f921c7e29f013fc35e011 Mon Sep 17 00:00:00 2001
From: Brandon Williams <brandonwilliams@apache.org>
Date: Fri, 17 May 2024 14:28:31 -0500
Subject: [PATCH] Add in-jvm dtest for durable writes

Patch by brandonwilliams; reviewed by smiklosovic for CASSANDRA-19601
---
 .../distributed/test/DurableWritesTest.java   | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 test/distributed/org/apache/cassandra/distributed/test/DurableWritesTest.java

diff --git a/test/distributed/org/apache/cassandra/distributed/test/DurableWritesTest.java b/test/distributed/org/apache/cassandra/distributed/test/DurableWritesTest.java
new file mode 100644
index 0000000000..b3debad195
--- /dev/null
+++ b/test/distributed/org/apache/cassandra/distributed/test/DurableWritesTest.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.cassandra.distributed.test;
+
+import org.junit.Test;
+import org.junit.Assert;
+
+import org.apache.cassandra.db.Keyspace;
+import org.apache.cassandra.db.commitlog.CommitLog;
+import org.apache.cassandra.distributed.Cluster;
+import org.apache.cassandra.schema.TableId;
+
+public class DurableWritesTest extends TestBaseImpl
+{
+    @Test
+    public void durableWritesDisabledTest() throws Throwable
+    {
+        try (Cluster cluster = init(Cluster.build(1)
+                                           .withConfig(c -> c.set("commitlog_segment_size_in_mb", 1)
+                                           )
+                                           .start()))
+        {
+            cluster.schemaChange(withKeyspace("DROP KEYSPACE %s"));
+            cluster.schemaChange(withKeyspace("CREATE KEYSPACE %s WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1} AND DURABLE_WRITES = false"));
+            cluster.schemaChange(withKeyspace("CREATE TABLE %s.tbl (k INT PRIMARY KEY, a INT, b INT, c INT)"));
+
+            for (int i = 1; i <= 1000; i++)
+            {
+                cluster.get(1).executeInternal(withKeyspace("INSERT INTO %s.tbl (k, a, b, c) VALUES (1, 1, 1, 1)"));
+            }
+
+            cluster.get(1).runOnInstance(() -> {
+                TableId wanted = TableId.fromString(Keyspace.open(KEYSPACE).getColumnFamilyStore("tbl").metadata.id.toString());
+                boolean containsTbl = CommitLog.instance.segmentManager
+                    .getActiveSegments()
+                    .stream()
+                    .anyMatch(s -> s.getDirtyTableIds().contains(wanted));
+                Assert.assertFalse("Commitlog should not contain data from 'tbl'", containsTbl);
+            });
+        }
+    }
+
+}