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ReplicatedRMTIT.java
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ReplicatedRMTIT.java
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package com.altinity.clickhouse.debezium.embedded;
import com.altinity.clickhouse.debezium.embedded.cdc.DebeziumChangeEventCapture;
import com.altinity.clickhouse.debezium.embedded.ddl.parser.MySQLDDLParserService;
import com.altinity.clickhouse.debezium.embedded.parser.SourceRecordParserService;
import com.altinity.clickhouse.sink.connector.ClickHouseSinkConnectorConfig;
import com.altinity.clickhouse.sink.connector.ClickHouseSinkConnectorConfigVariables;
import com.altinity.clickhouse.sink.connector.db.BaseDbWriter;
import com.clickhouse.jdbc.ClickHouseConnection;
import org.apache.log4j.BasicConfigurator;
import org.junit.Assert;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
import org.testcontainers.clickhouse.ClickHouseContainer;
import org.testcontainers.containers.BindMode;
import org.testcontainers.containers.GenericContainer;
import org.testcontainers.containers.MySQLContainer;
import org.testcontainers.containers.Network;
import org.testcontainers.containers.wait.strategy.HttpWaitStrategy;
import org.testcontainers.junit.jupiter.Testcontainers;
import org.testcontainers.utility.DockerImageName;
import java.sql.Connection;
import java.sql.ResultSet;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicReference;
@Testcontainers
@DisplayName("Integration test that validates auto creation of Replicated RMT when the flag is set in config(auto.create.replicated.tables)")
public class ReplicatedRMTIT {
protected MySQLContainer mySqlContainer;
static ClickHouseContainer clickHouseContainer;
static GenericContainer zookeeperContainer = new GenericContainer(DockerImageName.parse("zookeeper:3.6.2"))
.withExposedPorts(2181).withAccessToHost(true);
@BeforeEach
public void startContainers() throws InterruptedException {
Network network = Network.newNetwork();
zookeeperContainer.withNetwork(network).withNetworkAliases("zookeeper");
zookeeperContainer.start();
mySqlContainer = new MySQLContainer<>(DockerImageName.parse("docker.io/bitnami/mysql:8.0.36")
.asCompatibleSubstituteFor("mysql"))
.withDatabaseName("employees").withUsername("root").withPassword("adminpass")
.withInitScript("data_types_test.sql")
.withExtraHost("mysql-server", "0.0.0.0")
.waitingFor(new HttpWaitStrategy().forPort(3306));
BasicConfigurator.configure();
mySqlContainer.start();
// clickHouseContainer.start();
Thread.sleep(15000);
clickHouseContainer = new org.testcontainers.clickhouse.ClickHouseContainer(DockerImageName.parse("clickhouse/clickhouse-server:latest")
.asCompatibleSubstituteFor("clickhouse"))
.withInitScript("init_clickhouse_it.sql")
.withUsername("ch_user")
.withPassword("password")
.withClasspathResourceMapping("config_replicated.xml", "/etc/clickhouse-server/config.d/config.xml", BindMode.READ_ONLY)
.withClasspathResourceMapping("macros.xml", "/etc/clickhouse-server/config.d/macros.xml", BindMode.READ_ONLY)
.withExposedPorts(8123)
.waitingFor(new HttpWaitStrategy().forPort(zookeeperContainer.getFirstMappedPort()));
clickHouseContainer.withNetwork(network).withNetworkAliases("clickhouse");
clickHouseContainer.start();
}
static {
}
@ParameterizedTest
@CsvSource({
"clickhouse/clickhouse-server:latest"
})
@DisplayName("Test that validates creation of Replicated Replacing Merge Tree")
public void testReplicatedRMTAutoCreate(String clickHouseServerVersion) throws Exception {
AtomicReference<DebeziumChangeEventCapture> engine = new AtomicReference<>();
Properties props = ITCommon.getDebeziumProperties(mySqlContainer, clickHouseContainer);
props.setProperty(ClickHouseSinkConnectorConfigVariables.AUTO_CREATE_TABLES_REPLICATED.toString(), "true");
props.setProperty(ClickHouseSinkConnectorConfigVariables.AUTO_CREATE_TABLES.toString(), "false");
ExecutorService executorService = Executors.newFixedThreadPool(1);
executorService.execute(() -> {
try {
engine.set(new DebeziumChangeEventCapture());
engine.get().setup(props, new SourceRecordParserService(),
new MySQLDDLParserService(new ClickHouseSinkConnectorConfig(new HashMap<>()),
"employees"), false);
} catch (Exception e) {
throw new RuntimeException(e);
}
});
Thread.sleep(30000);
Connection conn = ITCommon.connectToMySQL(mySqlContainer);
String jdbcUrl = BaseDbWriter.getConnectionString(clickHouseContainer.getHost(), clickHouseContainer.getFirstMappedPort(), "employees");
ClickHouseConnection connection = BaseDbWriter.createConnection(jdbcUrl, "client_1", clickHouseContainer.getUsername(), clickHouseContainer.getPassword(), new ClickHouseSinkConnectorConfig(new HashMap<>()));
BaseDbWriter writer = new BaseDbWriter(clickHouseContainer.getHost(), clickHouseContainer.getFirstMappedPort(),
"employees", clickHouseContainer.getUsername(), clickHouseContainer.getPassword(), null, connection);
ResultSet rs = writer.executeQueryWithResultSet("show create table string_types_MEDIUMTEXT_utf8mb4");
// Validate that all the tables are created.
boolean resultValidated = false;
while(rs.next()) {
resultValidated = true;
String createTableDML = rs.getString(1);
System.out.println(createTableDML);
assert(createTableDML.contains("ReplicatedReplacingMergeTree"));
}
Assert.assertTrue(resultValidated);
boolean dataValidated = false;
// Validate temporal_types_DATETIME data.
ResultSet dateTimeResult = writer.executeQueryWithResultSet("select * from string_types_MEDIUMTEXT_utf8mb4");
while(dateTimeResult.next()) {
dataValidated = true;
System.out.println(dateTimeResult.getString("Type").toString());
System.out.println(dateTimeResult.getString("Value").toString());
Assert.assertTrue(dateTimeResult.getString("Type").toString().equalsIgnoreCase("mediumtext"));
Assert.assertTrue(dateTimeResult.getString("Value").toString().equalsIgnoreCase("????"));
}
Assert.assertTrue(dataValidated);
if(engine.get() != null) {
engine.get().stop();
}
// Files.deleteIfExists(tmpFilePath);
executorService.shutdown();
}
}