Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1941#discussion_r62833637
--- Diff:
flink-batch-connectors/flink-jdbc/src/test/java/org/apache/flink/api/java/io/jdbc/JDBCInputFormatTest.java
---
@@ -19,180 +19,224 @@
package org.apache.flink.api.java.io.jdbc;
import java.io.IOException;
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
-import java.sql.Statement;
import java.sql.ResultSet;
-
+import org.apache.flink.api.common.ExecutionConfig;
+import
org.apache.flink.api.java.io.jdbc.split.GenericParameterValuesProvider;
+import
org.apache.flink.api.java.io.jdbc.split.NumericBetweenParametersProvider;
+import org.apache.flink.api.java.io.jdbc.split.ParameterValuesProvider;
+import org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer;
+import org.apache.flink.api.table.Row;
+import org.apache.flink.core.io.InputSplit;
import org.junit.Assert;
-
-import org.apache.flink.api.java.tuple.Tuple2;
-import org.apache.flink.api.java.tuple.Tuple5;
-import org.junit.After;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
import org.junit.Test;
-public class JDBCInputFormatTest {
- JDBCInputFormat jdbcInputFormat;
-
- static Connection conn;
-
- static final Object[][] dbData = {
- {1001, ("Java for dummies"), ("Tan Ah Teck"), 11.11, 11},
- {1002, ("More Java for dummies"), ("Tan Ah Teck"), 22.22, 22},
- {1003, ("More Java for more dummies"), ("Mohammad Ali"), 33.33,
33},
- {1004, ("A Cup of Java"), ("Kumar"), 44.44, 44},
- {1005, ("A Teaspoon of Java"), ("Kevin Jones"), 55.55, 55}};
-
- @BeforeClass
- public static void setUpClass() {
- try {
- prepareDerbyDatabase();
- } catch (Exception e) {
- Assert.fail();
- }
- }
-
- private static void prepareDerbyDatabase() throws
ClassNotFoundException, SQLException {
- System.setProperty("derby.stream.error.field",
"org.apache.flink.api.java.io.jdbc.DerbyUtil.DEV_NULL");
- String dbURL = "jdbc:derby:memory:ebookshop;create=true";
- Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
- conn = DriverManager.getConnection(dbURL);
- createTable();
- insertDataToSQLTable();
- conn.close();
- }
-
- private static void createTable() throws SQLException {
- StringBuilder sqlQueryBuilder = new StringBuilder("CREATE TABLE
books (");
- sqlQueryBuilder.append("id INT NOT NULL DEFAULT 0,");
- sqlQueryBuilder.append("title VARCHAR(50) DEFAULT NULL,");
- sqlQueryBuilder.append("author VARCHAR(50) DEFAULT NULL,");
- sqlQueryBuilder.append("price FLOAT DEFAULT NULL,");
- sqlQueryBuilder.append("qty INT DEFAULT NULL,");
- sqlQueryBuilder.append("PRIMARY KEY (id))");
-
- Statement stat = conn.createStatement();
- stat.executeUpdate(sqlQueryBuilder.toString());
- stat.close();
- }
-
- private static void insertDataToSQLTable() throws SQLException {
- StringBuilder sqlQueryBuilder = new StringBuilder("INSERT INTO
books (id, title, author, price, qty) VALUES ");
- sqlQueryBuilder.append("(1001, 'Java for dummies', 'Tan Ah
Teck', 11.11, 11),");
- sqlQueryBuilder.append("(1002, 'More Java for dummies', 'Tan Ah
Teck', 22.22, 22),");
- sqlQueryBuilder.append("(1003, 'More Java for more dummies',
'Mohammad Ali', 33.33, 33),");
- sqlQueryBuilder.append("(1004, 'A Cup of Java', 'Kumar', 44.44,
44),");
- sqlQueryBuilder.append("(1005, 'A Teaspoon of Java', 'Kevin
Jones', 55.55, 55)");
-
- Statement stat = conn.createStatement();
- stat.execute(sqlQueryBuilder.toString());
- stat.close();
- }
-
- @AfterClass
- public static void tearDownClass() {
- cleanUpDerbyDatabases();
- }
-
- private static void cleanUpDerbyDatabases() {
- try {
- String dbURL =
"jdbc:derby:memory:ebookshop;create=true";
- Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
-
- conn = DriverManager.getConnection(dbURL);
- Statement stat = conn.createStatement();
- stat.executeUpdate("DROP TABLE books");
- stat.close();
- conn.close();
- } catch (Exception e) {
- e.printStackTrace();
- Assert.fail();
- }
- }
-
- @After
- public void tearDown() {
- jdbcInputFormat = null;
- }
+public class JDBCInputFormatTest extends JDBCTestBase {
@Test(expected = IllegalArgumentException.class)
public void testInvalidDriver() throws IOException {
jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
.setDrivername("org.apache.derby.jdbc.idontexist")
- .setDBUrl("jdbc:derby:memory:ebookshop")
- .setQuery("select * from books")
+ .setDBUrl(DB_URL)
+ .setQuery(SELECT_ALL_BOOKS)
.finish();
- jdbcInputFormat.open(null);
+ jdbcInputFormat.openInputFormat();
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidURL() throws IOException {
jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
-
.setDrivername("org.apache.derby.jdbc.EmbeddedDriver")
+ .setDrivername(DRIVER_CLASS)
.setDBUrl("jdbc:der:iamanerror:mory:ebookshop")
- .setQuery("select * from books")
+ .setQuery(SELECT_ALL_BOOKS)
.finish();
- jdbcInputFormat.open(null);
+ jdbcInputFormat.openInputFormat();
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidQuery() throws IOException {
jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
-
.setDrivername("org.apache.derby.jdbc.EmbeddedDriver")
- .setDBUrl("jdbc:derby:memory:ebookshop")
+ .setDrivername(DRIVER_CLASS)
+ .setDBUrl(DB_URL)
.setQuery("iamnotsql")
.finish();
- jdbcInputFormat.open(null);
+ jdbcInputFormat.openInputFormat();
}
@Test(expected = IllegalArgumentException.class)
public void testIncompleteConfiguration() throws IOException {
jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
-
.setDrivername("org.apache.derby.jdbc.EmbeddedDriver")
- .setQuery("select * from books")
+ .setDrivername(DRIVER_CLASS)
+ .setQuery(SELECT_ALL_BOOKS)
.finish();
}
- @Test(expected = IOException.class)
- public void testIncompatibleTuple() throws IOException {
+ @Test
+ public void testJDBCInputFormatWithoutParallelism() throws IOException,
InstantiationException, IllegalAccessException {
jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
-
.setDrivername("org.apache.derby.jdbc.EmbeddedDriver")
- .setDBUrl("jdbc:derby:memory:ebookshop")
- .setQuery("select * from books")
+ .setDrivername(DRIVER_CLASS)
+ .setDBUrl(DB_URL)
+ .setQuery(SELECT_ALL_BOOKS)
+
.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
.finish();
+ jdbcInputFormat.openInputFormat();
--- End diff --
check that `jdbcInputFormat.getInputSplits(1).length == 1`
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