org.apache.cayenne.configuration.server.DBCPDataSourceFactoryTest.java Source code

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Here is the source code for org.apache.cayenne.configuration.server.DBCPDataSourceFactoryTest.java

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package org.apache.cayenne.configuration.server;

import org.apache.cayenne.configuration.DataNodeDescriptor;
import org.apache.cayenne.resource.URLResource;
import org.apache.commons.dbcp.BasicDataSource;
import org.junit.Test;

import javax.sql.DataSource;
import java.io.IOException;
import java.net.URL;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

public class DBCPDataSourceFactoryTest {

    @Test
    public void testGetDataSource() throws Exception {

        String baseUrl = getClass().getPackage().getName().replace('.', '/');
        URL url = getClass().getClassLoader().getResource(baseUrl + "/");
        assertNotNull(url);

        DataNodeDescriptor nodeDescriptor = new DataNodeDescriptor();
        nodeDescriptor.setConfigurationSource(new URLResource(url));
        nodeDescriptor.setParameters("testDBCP.properties");

        DBCPDataSourceFactory factory = new DBCPDataSourceFactory();
        DataSource dataSource = factory.getDataSource(nodeDescriptor);
        assertNotNull(dataSource);

        assertTrue(dataSource instanceof BasicDataSource);
        BasicDataSource basicDataSource = (BasicDataSource) dataSource;
        assertEquals("com.example.jdbc.Driver", basicDataSource.getDriverClassName());
        assertEquals("jdbc:somedb://localhost/cayenne", basicDataSource.getUrl());
        assertEquals("john", basicDataSource.getUsername());
        assertEquals("secret", basicDataSource.getPassword());
        assertEquals(20, basicDataSource.getMaxActive());
        assertEquals(5, basicDataSource.getMinIdle());
        assertEquals(8, basicDataSource.getMaxIdle());
        assertEquals(10000, basicDataSource.getMaxWait());
        assertEquals("select 1 from xyz;", basicDataSource.getValidationQuery());
    }

    @Test
    public void testGetDataSource_LegacyConfig() throws Exception {

        String baseUrl = getClass().getPackage().getName().replace('.', '/');
        URL url = getClass().getClassLoader().getResource(baseUrl + "/");
        assertNotNull(url);

        DataNodeDescriptor nodeDescriptor = new DataNodeDescriptor();
        nodeDescriptor.setConfigurationSource(new URLResource(url));
        nodeDescriptor.setParameters("testDBCP_legacy.properties");

        DBCPDataSourceFactory factory = new DBCPDataSourceFactory();
        DataSource dataSource = factory.getDataSource(nodeDescriptor);
        assertNotNull(dataSource);

        assertTrue(dataSource instanceof BasicDataSource);
        BasicDataSource basicDataSource = (BasicDataSource) dataSource;
        assertEquals("com.example.jdbc.Driver", basicDataSource.getDriverClassName());
        assertEquals("jdbc:somedb://localhost/cayenne", basicDataSource.getUrl());
        assertEquals("john", basicDataSource.getUsername());
        assertEquals("secret", basicDataSource.getPassword());
        assertEquals(20, basicDataSource.getMaxActive());
        assertEquals(5, basicDataSource.getMinIdle());
        assertEquals(8, basicDataSource.getMaxIdle());
        assertEquals(10000, basicDataSource.getMaxWait());
        assertEquals("select 1 from xyz;", basicDataSource.getValidationQuery());
    }

    @Test
    public void testGetDataSource_InvalidLocation() throws Exception {

        String baseUrl = getClass().getPackage().getName().replace('.', '/');
        URL url = getClass().getClassLoader().getResource(baseUrl + "/");
        assertNotNull(url);

        DataNodeDescriptor nodeDescriptor = new DataNodeDescriptor();
        nodeDescriptor.setConfigurationSource(new URLResource(url));
        nodeDescriptor.setParameters("testDBCP.properties.nosuchfile");

        DBCPDataSourceFactory factory = new DBCPDataSourceFactory();

        try {
            factory.getDataSource(nodeDescriptor);
            fail("didn't throw on abscent config file");
        } catch (IOException ex) {
            // expected
        }
    }

}