/*
* Licensed 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 com.facebook.presto.jdbc;
import com.facebook.presto.server.TestingPrestoServer;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import java.util.ArrayList;
import java.util.List;
import static java.lang.String.format;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
public class TestDriver
{
private TestingPrestoServer server;
@BeforeMethod
public void setup()
throws Exception
{
server = new TestingPrestoServer();
}
@AfterMethod
public void teardown()
{
closeQuietly(server);
}
@Test
public void testDriverManager()
throws Exception
{
try (Connection connection = createConnection()) {
try (ResultSet tableTypes = connection.getMetaData().getTableTypes()) {
assertRowCount(tableTypes, 1);
}
try (Statement statement = connection.createStatement()) {
try (ResultSet rs = statement.executeQuery("SELECT 123 x, 'foo' y FROM dual")) {
ResultSetMetaData metadata = rs.getMetaData();
assertEquals(metadata.getColumnCount(), 2);
assertEquals(metadata.getColumnLabel(1), "x");
assertEquals(metadata.getColumnType(1), Types.BIGINT);
assertEquals(metadata.getColumnLabel(2), "y");
assertEquals(metadata.getColumnType(2), Types.LONGNVARCHAR);
assertTrue(rs.next());
assertEquals(rs.getLong(1), 123);
assertEquals(rs.getLong("x"), 123);
assertEquals(rs.getString(2), "foo");
assertEquals(rs.getString("y"), "foo");
assertFalse(rs.next());
}
}
}
}
@Test
public void testConnectionResourceHandling()
throws Exception
{
List<Connection> connections = new ArrayList<>();
for (int i = 0; i < 100; i++) {
Connection connection = createConnection();
connections.add(connection);
try (Statement statement = connection.createStatement();
ResultSet rs = statement.executeQuery("SELECT 123")) {
assertTrue(rs.next());
}
}
for (Connection connection : connections) {
connection.close();
}
}
@Test(expectedExceptions = SQLException.class, expectedExceptionsMessageRegExp = ".* Table .* does not exist")
public void testBadQuery()
throws Exception
{
try (Connection connection = createConnection()) {
try (Statement statement = connection.createStatement()) {
try (ResultSet ignored = statement.executeQuery("SELECT * FROM bad_table")) {
fail("expected exception");
}
}
}
}
@Test(expectedExceptions = SQLException.class, expectedExceptionsMessageRegExp = "Username property \\(user\\) must be set")
public void testUserIsRequired()
throws Exception
{
try (Connection ignored = DriverManager.getConnection("jdbc:presto://test.invalid/")) {
fail("expected exception");
}
}
private Connection createConnection()
throws SQLException
{
String url = format("jdbc:presto://%s/", server.getAddress());
return DriverManager.getConnection(url, "test", null);
}
private static void assertRowCount(ResultSet rs, int expected)
throws SQLException
{
int actual = 0;
while (rs.next()) {
actual++;
}
assertEquals(actual, expected);
}
static void closeQuietly(AutoCloseable closeable)
{
try {
closeable.close();
}
catch (Exception ignored) {
}
}
}