DatabasesTest.java

package org.neo4j.jdbc;

import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.jdbc.embedded.EmbeddedDatabases;
import org.neo4j.kernel.EmbeddedGraphDatabase;
import org.neo4j.kernel.EmbeddedReadOnlyGraphDatabase;
import org.neo4j.kernel.impl.util.FileUtils;
import org.neo4j.test.ImpermanentGraphDatabase;

import java.io.File;
import java.util.Properties;

import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

/**
 * @author mh
 * @since 15.06.12
 */
public class DatabasesTest {

    private EmbeddedDatabases databases;

    @Before
    public void setUp() throws Exception {
        databases = new EmbeddedDatabases();
    }

    @Test
    public void testLocateMem() throws Exception {
        assertTrue(databases.createDatabase(":mem",null) instanceof ImpermanentGraphDatabase);
    }
    @Test
    public void testLocateNamedMem() throws Exception {
        final GraphDatabaseService db = databases.createDatabase(":mem:a", null);
        assertTrue(db instanceof ImpermanentGraphDatabase);
        final GraphDatabaseService db2 = databases.createDatabase(":mem:a", null);
        assertSame(db2, db);
    }
    @Test
    public void testLocateNamedInstance() throws Exception {
        final GraphDatabaseService db = new ImpermanentGraphDatabase();
        final Properties props = new Properties();
        props.put("a", db);
        final GraphDatabaseService db2 = databases.createDatabase(":instance:a", props);
        assertSame(db2, db);
    }
    @Test
    public void testLocateFileDb() throws Exception {
        FileUtils.deleteRecursively(new File("target/test-db"));
        final GraphDatabaseService db = databases.createDatabase(":file:target/test-db", null);
        assertTrue(db instanceof EmbeddedGraphDatabase);
        final GraphDatabaseService db2 = databases.createDatabase(":file:target/test-db", null);
        assertSame(db2,db);
    }
    @Test
    @Ignore("readonly mode in parallel is no longer supported")
    public void testLocateFileDbReadonly() throws Exception {
        FileUtils.deleteRecursively(new File("target/test-db-ro"));
        new EmbeddedGraphDatabase("target/test-db-ro");
        final Properties props = new Properties();props.setProperty("readonly", "true");
        final GraphDatabaseService db = databases.createDatabase(":file:target/test-db-ro", props);
        assertTrue(db instanceof EmbeddedReadOnlyGraphDatabase);
    }
}