diff --git a/topic/pom.xml b/topic/pom.xml
index 418bb6beb..7518677c1 100644
--- a/topic/pom.xml
+++ b/topic/pom.xml
@@ -45,6 +45,10 @@
             <artifactId>junit</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>tech.ydb.test</groupId>
+            <artifactId>ydb-junit4-support</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
diff --git a/topic/src/test/java/tech/ydb/topic/impl/DisjointOffsetRangeSetTest.java b/topic/src/test/java/tech/ydb/topic/impl/DisjointOffsetRangeSetTest.java
index bcb50fbc6..604319a81 100644
--- a/topic/src/test/java/tech/ydb/topic/impl/DisjointOffsetRangeSetTest.java
+++ b/topic/src/test/java/tech/ydb/topic/impl/DisjointOffsetRangeSetTest.java
@@ -4,6 +4,7 @@
 
 import org.junit.Assert;
 import org.junit.Test;
+import org.junit.function.ThrowingRunnable;
 
 import tech.ydb.topic.description.OffsetsRange;
 import tech.ydb.topic.read.impl.DisjointOffsetRangeSet;
@@ -28,6 +29,13 @@ public void testRangesSimple() {
         Assert.assertEquals(4, rangesResult.get(1).getEnd());
     }
 
+    private void assertException(ThrowingRunnable runnable, String addedRange, String existingRange) {
+        RuntimeException ex = Assert.assertThrows(RuntimeException.class, runnable);
+        String message = "Error adding new offset range. Added range " + addedRange +
+                " clashes with existing range " + existingRange;
+        Assert.assertEquals(message, ex.getMessage());
+    }
+
     @Test
     public void testReuseRangeSet() {
         DisjointOffsetRangeSet ranges = new DisjointOffsetRangeSet();
@@ -35,12 +43,12 @@ public void testReuseRangeSet() {
         ranges.add(new OffsetsRangeImpl(30, 40));
         ranges.add(new OffsetsRangeImpl(10, 20));
         ranges.add(new OffsetsRangeImpl(0, 9));
-        Assert.assertThrows(RuntimeException.class, () -> ranges.add(new OffsetsRangeImpl(8, 11)));
-        Assert.assertThrows(RuntimeException.class, () -> ranges.add(new OffsetsRangeImpl(8, 10)));
-        Assert.assertThrows(RuntimeException.class, () -> ranges.add(new OffsetsRangeImpl(9, 11)));
-        Assert.assertThrows(RuntimeException.class, () -> ranges.add(new OffsetsRangeImpl(25, 31)));
-        Assert.assertThrows(RuntimeException.class, () -> ranges.add(new OffsetsRangeImpl(31, 100)));
-        Assert.assertThrows(RuntimeException.class, () -> ranges.add(new OffsetsRangeImpl(25, 100)));
+        assertException(() -> ranges.add(new OffsetsRangeImpl(8, 11)), "[8,11)", "[0,9)");
+        assertException(() -> ranges.add(new OffsetsRangeImpl(8, 10)), "[8,10)", "[0,9)");
+        assertException(() -> ranges.add(new OffsetsRangeImpl(9, 11)), "[9,11)", "[10,20)");
+        assertException(() -> ranges.add(new OffsetsRangeImpl(25, 31)), "[25,31)", "[30,40)");
+        assertException(() -> ranges.add(new OffsetsRangeImpl(31, 100)), "[31,100)", "[30,40)");
+        assertException(() -> ranges.add(new OffsetsRangeImpl(25, 100)), "[25,100)", "[30,40)");
         ranges.add(new OffsetsRangeImpl(9, 10));
         List<OffsetsRange> firstResult = ranges.getRangesAndClear();
         Assert.assertEquals(2, firstResult.size());
diff --git a/topic/src/test/java/tech/ydb/topic/impl/YdbTopicsIntegrationTest.java b/topic/src/test/java/tech/ydb/topic/impl/YdbTopicsIntegrationTest.java
new file mode 100644
index 000000000..011d6018b
--- /dev/null
+++ b/topic/src/test/java/tech/ydb/topic/impl/YdbTopicsIntegrationTest.java
@@ -0,0 +1,230 @@
+package tech.ydb.topic.impl;
+
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.ClassRule;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import tech.ydb.core.Status;
+import tech.ydb.test.junit4.GrpcTransportRule;
+import tech.ydb.topic.TopicClient;
+import tech.ydb.topic.description.Consumer;
+import tech.ydb.topic.description.TopicDescription;
+import tech.ydb.topic.read.AsyncReader;
+import tech.ydb.topic.read.DeferredCommitter;
+import tech.ydb.topic.read.SyncReader;
+import tech.ydb.topic.read.events.AbstractReadEventHandler;
+import tech.ydb.topic.read.events.DataReceivedEvent;
+import tech.ydb.topic.settings.CreateTopicSettings;
+import tech.ydb.topic.settings.ReadEventHandlersSettings;
+import tech.ydb.topic.settings.ReaderSettings;
+import tech.ydb.topic.settings.TopicReadSettings;
+import tech.ydb.topic.settings.WriterSettings;
+import tech.ydb.topic.write.Message;
+import tech.ydb.topic.write.SyncWriter;
+
+/**
+ *
+ * @author Aleksandr Gorshenin
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class YdbTopicsIntegrationTest {
+    private final static Logger logger = LoggerFactory.getLogger(YdbTopicsIntegrationTest.class);
+
+    @ClassRule
+    public final static GrpcTransportRule ydbTransport = new GrpcTransportRule();
+
+    private final static String TEST_TOPIC = "integration_test_topic";
+    private final static String TEST_CONSUMER1 = "consumer";
+    private final static String TEST_CONSUMER2 = "other_consumer";
+
+    private static TopicClient client;
+
+    private final static byte[][] TEST_MESSAGES = new byte[][] {
+        "Test message".getBytes(),
+        "".getBytes(),
+        " ".getBytes(),
+        "Other message".getBytes(),
+        "Last message".getBytes(),
+    };
+
+    @BeforeClass
+    public static void initTopic() {
+        logger.info("Create test topic {} ...", TEST_TOPIC);
+
+        client = TopicClient.newClient(ydbTransport).build();
+        client.createTopic(TEST_TOPIC, CreateTopicSettings.newBuilder()
+                .addConsumer(Consumer.newBuilder().setName(TEST_CONSUMER1).build())
+                .addConsumer(Consumer.newBuilder().setName(TEST_CONSUMER2).build())
+                .build()
+        ).join().expectSuccess("can't create a new topic");
+    }
+
+    @AfterClass
+    public static void dropTopic() {
+        logger.info("Drop test topic {} ...", TEST_TOPIC);
+        Status dropStatus = client.dropTopic(TEST_TOPIC).join();
+        client.close();
+        dropStatus.expectSuccess("can't drop test topic");
+    }
+
+    @Test
+    public void step01_writeWithoutDeduplication() throws InterruptedException, ExecutionException, TimeoutException {
+        WriterSettings settings = WriterSettings.newBuilder()
+                .setTopicPath(TEST_TOPIC)
+                .build();
+        SyncWriter writer = client.createSyncWriter(settings);
+        writer.init();
+
+        for (int idx = 0; idx < TEST_MESSAGES.length; idx += 1) {
+            writer.send(Message.newBuilder().setData(TEST_MESSAGES[idx]).build());
+        }
+
+        for (int idx = TEST_MESSAGES.length - 1; idx >= 0; idx -= 1) {
+            writer.send(Message.newBuilder().setData(TEST_MESSAGES[idx]).build());
+        }
+
+        writer.flush();
+        writer.shutdown(1, TimeUnit.MINUTES);
+    }
+
+    @Test
+    public void step02_readHalfWithoutCommit() throws InterruptedException {
+        ReaderSettings settings = ReaderSettings.newBuilder()
+                .addTopic(TopicReadSettings.newBuilder().setPath(TEST_TOPIC).build())
+                .setConsumerName(TEST_CONSUMER1)
+                .build();
+
+        SyncReader reader = client.createSyncReader(settings);
+        reader.initAndWait();
+
+        for (byte[] bytes: TEST_MESSAGES) {
+            tech.ydb.topic.read.Message msg = reader.receive();
+            Assert.assertArrayEquals(bytes, msg.getData());
+        }
+
+        reader.shutdown();
+    }
+
+    @Test
+    public void step03_readHalfWithCommit() throws InterruptedException {
+        ReaderSettings settings = ReaderSettings.newBuilder()
+                .addTopic(TopicReadSettings.newBuilder().setPath(TEST_TOPIC).build())
+                .setConsumerName(TEST_CONSUMER1)
+                .build();
+
+        SyncReader reader = client.createSyncReader(settings);
+        reader.initAndWait();
+
+        for (byte[] bytes: TEST_MESSAGES) {
+            tech.ydb.topic.read.Message msg = reader.receive();
+            Assert.assertArrayEquals(bytes, msg.getData());
+            msg.commit();
+        }
+
+        reader.shutdown();
+    }
+
+    @Test
+    public void step03_readNextHalfWithoutCommit() throws InterruptedException {
+        ReaderSettings settings = ReaderSettings.newBuilder()
+                .addTopic(TopicReadSettings.newBuilder().setPath(TEST_TOPIC).build())
+                .setConsumerName(TEST_CONSUMER1)
+                .build();
+
+        SyncReader reader = client.createSyncReader(settings);
+        reader.initAndWait();
+
+        for (int idx = TEST_MESSAGES.length - 1; idx >= 0; idx -= 1) {
+            tech.ydb.topic.read.Message msg = reader.receive();
+            Assert.assertArrayEquals(TEST_MESSAGES[idx], msg.getData());
+        }
+
+        reader.shutdown();
+    }
+
+    @Test
+    public void step04_readNextHalfWithCommit() throws InterruptedException {
+        ReaderSettings settings = ReaderSettings.newBuilder()
+                .addTopic(TopicReadSettings.newBuilder().setPath(TEST_TOPIC).build())
+                .setConsumerName(TEST_CONSUMER1)
+                .build();
+
+        SyncReader reader = client.createSyncReader(settings);
+        reader.initAndWait();
+
+        DeferredCommitter committer = DeferredCommitter.newInstance();
+        for (int idx = TEST_MESSAGES.length - 1; idx >= 0; idx -= 1) {
+            tech.ydb.topic.read.Message msg = reader.receive();
+            Assert.assertArrayEquals(TEST_MESSAGES[idx], msg.getData());
+            committer.add(msg);
+        }
+
+        committer.commit();
+        reader.shutdown();
+    }
+
+    @Test
+    public void step05_describeTopic() throws InterruptedException {
+        TopicDescription description = client.describeTopic(TEST_TOPIC).join().getValue();
+
+        Assert.assertNull(description.getTopicStats());
+        List<Consumer> consumers = description.getConsumers();
+        Assert.assertEquals(2, consumers.size());
+
+        Assert.assertEquals(TEST_CONSUMER1, consumers.get(0).getName());
+        Assert.assertEquals(TEST_CONSUMER2, consumers.get(1).getName());
+    }
+
+    @Test
+    public void step06_readAllByAsyncReader() throws InterruptedException {
+        ReaderSettings settings = ReaderSettings.newBuilder()
+                .addTopic(TopicReadSettings.newBuilder().setPath(TEST_TOPIC).build())
+                .setConsumerName(TEST_CONSUMER2)
+                .build();
+
+        final AtomicInteger atomicIdx = new AtomicInteger(0);
+        final CompletableFuture<Void> wait = new CompletableFuture<>();
+        final byte[][] results = new byte[TEST_MESSAGES.length * 2][];
+
+        AsyncReader reader = client.createAsyncReader(settings, ReadEventHandlersSettings.newBuilder()
+                .setEventHandler(new AbstractReadEventHandler() {
+                    @Override
+                    public void onMessages(DataReceivedEvent dre) {
+                        for (tech.ydb.topic.read.Message msg: dre.getMessages()) {
+                            int idx = atomicIdx.getAndIncrement();
+                            if (idx < results.length) {
+                                results[idx] = msg.getData();
+                            }
+                            if (idx >= results.length - 1) {
+                                wait.complete(null);
+                                return;
+                            }
+                        }
+                    }
+                })
+                .build());
+
+        reader.init();
+        wait.join();
+
+        reader.shutdown().join();
+
+        for (int idx = 0; idx < TEST_MESSAGES.length; idx += 1) {
+            Assert.assertArrayEquals(TEST_MESSAGES[idx], results[idx]);
+            Assert.assertArrayEquals(TEST_MESSAGES[idx], results[results.length - idx - 1]);
+        }
+    }
+}
diff --git a/topic/src/test/resources/log4j2.xml b/topic/src/test/resources/log4j2.xml
index 7eb7bdbc4..c799da309 100644
--- a/topic/src/test/resources/log4j2.xml
+++ b/topic/src/test/resources/log4j2.xml
@@ -7,12 +7,20 @@
     </Appenders>
 
     <Loggers>
-        <Logger name="io.netty" level="warn" additivity="false">
+        <Logger name="io.grpc" level="warn" additivity="false">
             <AppenderRef ref="Console"/>
         </Logger>
-        <Logger name="tech.ydb.core.grpc" level="error" additivity="false">
+        <Logger name="tech.ydb" level="debug" additivity="false">
             <AppenderRef ref="Console"/>
         </Logger>
+        <Logger name="tech.ydb.topic" level="debug" additivity="false">
+            <AppenderRef ref="Console"/>
+        </Logger>
+
+        <!-- https://www.testcontainers.org/supported_docker_environment/logging_config/ -->
+        <Logger name="org.testcontainers" level="warn" />
+        <Logger name="com.github.dockerjava" level="warn"/>
+        <Logger name="com.github.dockerjava.zerodep.shaded.org.apache.hc.client5.http.wire" level="off"/>
 
         <Root level="debug" >
             <AppenderRef ref="Console"/>