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/*--------------------------------------------------------------------------
* Copyright 2007 Taro L. Saito
*
* 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.
*--------------------------------------------------------------------------*/
// --------------------------------------
// sqlite-jdbc Project
//
// SQLiteJDBCLoaderTest.java
// Since: Oct 15, 2007
//
// $URL$
// $Author$
// --------------------------------------
package org.sqlite;
import static org.assertj.core.api.Assertions.assertThat;
//import static org.assertj.core.api.Assertions.assertThatNoException;
import java.nio.file.Path;
import java.sql.*;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
public class SQLiteJDBCLoaderTest {
private Connection connection = null;
@BeforeEach
public void setUp() throws Exception {
connection = null;
// create a database connection
connection = DriverManager.getConnection("jdbc:sqlite::memory:");
}
@AfterEach
public void tearDown() throws Exception {
if (connection != null) {
connection.close();
}
}
/*@Test
public void query() {
// if e.getMessage() is "out of memory", it probably means no
// database file is found
assertThatNoException()
.isThrownBy(
() -> {
Statement statement = connection.createStatement();
statement.setQueryTimeout(30); // set timeout to 30 sec.
statement.executeUpdate(
"create table person ( id integer, name string)");
statement.executeUpdate("insert into person values(1, 'leo')");
statement.executeUpdate("insert into person values(2, 'yui')");
ResultSet rs =
statement.executeQuery("select * from person order by id");
while (rs.next()) {
// read the result set
rs.getInt(1);
rs.getString(2);
}
});
}*/
@Test
public void function() throws SQLException {
Function.create(
connection,
"total",
new Function() {
@Override
protected void xFunc() throws SQLException {
int sum = 0;
for (int i = 0; i < args(); i++) {
sum += value_int(i);
}
result(sum);
}
});
ResultSet rs = connection.createStatement().executeQuery("select total(1, 2, 3, 4, 5)");
assertThat(rs.next()).isTrue();
assertThat(rs.getInt(1)).isEqualTo(1 + 2 + 3 + 4 + 5);
}
@Test
public void version() {
assertThat(SQLiteJDBCLoader.getVersion()).isNotEqualTo("unknown");
}
@Test
public void test(@TempDir Path tmpDir) throws Throwable {
final AtomicInteger completedThreads = new AtomicInteger(0);
ExecutorService pool = Executors.newFixedThreadPool(32);
for (int i = 0; i < 32; i++) {
final String connStr = "jdbc:sqlite:" + tmpDir.resolve("sample-" + i + ".db");
final int sleepMillis = i;
pool.execute(
() -> {
try {
Thread.sleep(sleepMillis * 10);
} catch (InterruptedException ignored) {
}
/*assertThatNoException()
.isThrownBy(
() -> {
// Uncomment the synchronized block and everything
// works.
// synchronized (TestSqlite.class) {
Connection conn = DriverManager.getConnection(connStr);
conn.close();
// }
});
completedThreads.incrementAndGet();*/
});
}
pool.shutdown();
pool.awaitTermination(3, TimeUnit.SECONDS);
//assertThat(completedThreads.get()).isEqualTo(32);
}
}
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