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Merge pull request #144 from qingfei1994/ISSUE-138
[Feature]: Support Unit5 Test For Clickhouse Connector
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97 changes: 97 additions & 0 deletions
97
...house-e2e-test/src/test/java/org/apache/flink/connector/clickhouse/ClickhouseE2ECase.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package org.apache.flink.connector.clickhouse; | ||
|
|
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| import org.junit.After; | ||
| import org.junit.Test; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.sql.SQLException; | ||
| import java.time.Duration; | ||
| import java.time.temporal.ChronoUnit; | ||
| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
|
|
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| /** End-to-end test for Clickhouse. */ | ||
| public class ClickhouseE2ECase extends FlinkContainerTestEnviroment { | ||
|
|
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| private static final Logger logger = LoggerFactory.getLogger(ClickhouseE2ECase.class); | ||
|
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| ClickhouseProxy proxy; | ||
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| @Test | ||
| public void testSink() throws Exception { | ||
| String jdbcUrl = String.format("jdbc:clickhouse://%s:%s/default", "clickhouse", "8123"); | ||
|
|
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| proxy = | ||
| new ClickhouseProxy( | ||
| CLICKHOUSE_CONTAINER.getJdbcUrl(), | ||
| CLICKHOUSE_CONTAINER.getUsername(), | ||
| CLICKHOUSE_CONTAINER.getPassword()); | ||
| proxy.execute( | ||
| "create table test (id Int32, name String, float32_column Float32, date_column Date,datetime_column DateTime, array_column Array(Int32)) engine = Memory"); | ||
| proxy.execute( | ||
| "create table test_insert (id Int32, name String, float32_column Float32, date_column Date,datetime_column DateTime, array_column Array(Int32)) engine = Memory; "); | ||
| proxy.execute( | ||
| "INSERT INTO test (id, name, float32_column, date_column, datetime_column, array_column) VALUES (1, 'Name1', 1.1, '2022-01-01', '2022-01-01 00:00:00', [1, 2, 3]);"); | ||
| proxy.execute( | ||
| "INSERT INTO test (id, name, float32_column, date_column, datetime_column, array_column) VALUES (2, 'Name2', 2.2, '2022-01-02', '2022-01-02 01:00:00', [4, 5, 6]);"); | ||
| proxy.execute( | ||
| "INSERT INTO test (id, name, float32_column, date_column, datetime_column, array_column) VALUES (3, 'Name3', 3.3, '2022-01-03', '2022-01-03 02:00:00', [7, 8, 9]);"); | ||
| proxy.execute( | ||
| "INSERT INTO test (id, name, float32_column, date_column, datetime_column, array_column) VALUES (4, 'Name4', 4.4, '2022-01-04', '2022-01-04 03:00:00', [10, 11, 12]);"); | ||
| proxy.execute( | ||
| "INSERT INTO test (id, name, float32_column, date_column, datetime_column, array_column) VALUES (5, 'Name5', 5.5, '2022-01-05', '2022-01-05 04:00:00', [13, 14, 15]);"); | ||
| // proxy.execute("insert into test values (2, 'kiki');"); | ||
| List<String> sqlLines = new ArrayList<>(); | ||
| sqlLines.add( | ||
| "create table clickhouse_test (id int, name varchar,float32_column FLOAT,\n" | ||
| + " datetime_column TIMESTAMP(3),\n" | ||
| + " array_column ARRAY<INT>) with ('connector' = 'clickhouse',\n" | ||
| + " 'url' = '" | ||
| + jdbcUrl | ||
| + "',\n" | ||
| + " 'table-name' = 'test',\n" | ||
| + " 'username'='test_username',\n" | ||
| + " 'password'='test_password'\n" | ||
| + ");"); | ||
| sqlLines.add( | ||
| "create table test (id int, name varchar,float32_column FLOAT,\n" | ||
| + " datetime_column TIMESTAMP(3),\n" | ||
| + " array_column ARRAY<INT>) with ('connector' = 'clickhouse',\n" | ||
| + " 'url' = '" | ||
| + jdbcUrl | ||
| + "',\n" | ||
| + " 'table-name' = 'test_insert',\n" | ||
| + " 'username'='test_username',\n" | ||
| + " 'password'='test_password'\n" | ||
| + ");"); | ||
| sqlLines.add("insert into test select * from clickhouse_test;"); | ||
|
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||
| submitSQLJob( | ||
| sqlLines, | ||
| SQL_CONNECTOR_CLICKHOUSE_JAR, | ||
| CLICKHOUSE_JDBC_JAR, | ||
| HTTPCORE_JAR, | ||
| HTTPCLIENT_JAR, | ||
| HTTPCLIENT_H2_JAR); | ||
| waitUntilJobRunning(Duration.of(1, ChronoUnit.MINUTES)); | ||
| List<String> expectedResult = | ||
| Arrays.asList( | ||
| "1,Name1,1.1,2022-01-01 00:00:00,[1,2,3]", | ||
| "2,Name2,2.2,2022-01-02 01:00:00,[4,5,6]", | ||
| "3,Name3,3.3,2022-01-03 02:00:00,[7,8,9]", | ||
| "4,Name4,4.4,2022-01-04 03:00:00,[10,11,12]", | ||
| "5,Name5,5.5,2022-01-05 04:00:00,[13,14,15]"); | ||
| proxy.checkResultWithTimeout( | ||
| expectedResult, | ||
| "test_insert", | ||
| Arrays.asList("id", "name", "float32_column", "datetime_column", "array_column"), | ||
| 60000); | ||
| } | ||
|
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| @After | ||
| public void tearDown() throws SQLException { | ||
| CLICKHOUSE_CONTAINER.stop(); | ||
| } | ||
| } |
116 changes: 116 additions & 0 deletions
116
...ckhouse-e2e-test/src/test/java/org/apache/flink/connector/clickhouse/ClickhouseProxy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| package org.apache.flink.connector.clickhouse; | ||
|
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| import com.clickhouse.jdbc.ClickHouseConnection; | ||
| import com.clickhouse.jdbc.ClickHouseDataSource; | ||
| import com.clickhouse.jdbc.ClickHouseDriver; | ||
| import com.clickhouse.jdbc.ClickHouseStatement; | ||
| import org.junit.Assert; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.sql.Array; | ||
| import java.sql.ResultSet; | ||
| import java.sql.ResultSetMetaData; | ||
| import java.sql.SQLException; | ||
| import java.sql.Timestamp; | ||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.Properties; | ||
| import java.util.stream.Collectors; | ||
|
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| /** A proxy for Clickhouse to execute SQLs and check results. */ | ||
| public class ClickhouseProxy { | ||
| private String jdbcUrl; | ||
| private String username; | ||
| private String password; | ||
| private static final Logger logger = LoggerFactory.getLogger(ClickhouseProxy.class); | ||
| ClickHouseDriver driver; | ||
| ClickHouseStatement statement; | ||
| ClickHouseConnection connection; | ||
|
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| ClickhouseProxy(String jdbcUrl, String username, String password) { | ||
| this.jdbcUrl = jdbcUrl; | ||
| this.username = username; | ||
| this.password = password; | ||
| this.driver = new ClickHouseDriver(); | ||
| } | ||
|
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| public void connect() { | ||
| try { | ||
| if (connection == null) { | ||
| Properties properties = new Properties(); | ||
| properties.put("username", username); | ||
| properties.put("password", password); | ||
| ClickHouseDataSource clickHouseDataSource = | ||
| new ClickHouseDataSource(jdbcUrl, properties); | ||
| connection = clickHouseDataSource.getConnection(username, password); | ||
| statement = connection.createStatement(); | ||
| } | ||
| } catch (Exception e) { | ||
| logger.error("Failed to connect to clickhouse", e); | ||
| } | ||
| } | ||
|
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| public void execute(String sql) throws SQLException { | ||
| connect(); | ||
| statement.execute(sql); | ||
| } | ||
|
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| private void checkResult(List<String> expectedResult, String table, List<String> fields) | ||
| throws Exception { | ||
| connect(); | ||
| List<String> results = new ArrayList<>(); | ||
| ResultSet resultSet = statement.executeQuery("select * from " + table); | ||
| while (resultSet.next()) { | ||
| List<String> result = new ArrayList<>(); | ||
| ResultSetMetaData metaData = resultSet.getMetaData(); | ||
| int columnCount = metaData.getColumnCount(); | ||
| for (int i = 1; i <= columnCount; i++) { | ||
| String columnName = metaData.getColumnName(i); | ||
| if (!fields.contains(columnName)) { | ||
| continue; | ||
| } | ||
| String columnType = metaData.getColumnTypeName(i); | ||
| switch (columnType) { | ||
| case "Array": | ||
| Array array = resultSet.getArray(i); | ||
| result.add(array.toString()); | ||
| break; | ||
| case "Timestamp": | ||
| Timestamp timestamp = resultSet.getTimestamp(i); | ||
| result.add(timestamp.toString()); | ||
| break; | ||
| default: | ||
| String value = resultSet.getString(i); | ||
| result.add(value); | ||
| break; | ||
| } | ||
| } | ||
|
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| results.add(result.stream().collect(Collectors.joining(","))); | ||
| } | ||
| Collections.sort(results); | ||
| Collections.sort(expectedResult); | ||
| Assert.assertArrayEquals(expectedResult.toArray(), results.toArray()); | ||
| } | ||
|
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| public void checkResultWithTimeout( | ||
| List<String> expectedResult, String table, List<String> fields, long timeout) | ||
| throws Exception { | ||
| long endTimeout = System.currentTimeMillis() + timeout; | ||
| boolean result = false; | ||
| while (System.currentTimeMillis() < endTimeout) { | ||
| try { | ||
| checkResult(expectedResult, table, fields); | ||
| result = true; | ||
| break; | ||
| } catch (AssertionError | SQLException throwable) { | ||
| Thread.sleep(1000L); | ||
| } | ||
| } | ||
| if (!result) { | ||
| checkResult(expectedResult, table, fields); | ||
| } | ||
| } | ||
| } |
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