/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cloudera.sqoop.metastore;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import org.apache.hadoop.conf.Configuration;
import com.cloudera.sqoop.SqoopOptions;
import com.cloudera.sqoop.manager.HsqldbManager;
import com.cloudera.sqoop.metastore.hsqldb.AutoHsqldbStorage;
import com.cloudera.sqoop.tool.VersionTool;
import junit.framework.TestCase;
import java.io.IOException;
import java.sql.Connection;
/**
* Test the metastore and job-handling features.
*
* These all make use of the auto-connect hsqldb-based metastore.
* The metastore URL is configured to be in-memory, and drop all
* state between individual tests.
*/
public class TestSavedJobs extends TestCase {
public static final String TEST_AUTOCONNECT_URL =
"jdbc:hsqldb:mem:sqoopmetastore";
public static final String TEST_AUTOCONNECT_USER = "SA";
public static final String TEST_AUTOCONNECT_PASS = "";
@Override
public void setUp() throws Exception {
// Delete db state between tests.
resetJobSchema();
}
public static void resetJobSchema() throws SQLException {
SqoopOptions options = new SqoopOptions();
options.setConnectString(TEST_AUTOCONNECT_URL);
options.setUsername(TEST_AUTOCONNECT_USER);
options.setPassword(TEST_AUTOCONNECT_PASS);
resetSchema(options);
}
/**
* Drop all tables in the configured HSQLDB-based schema/user/pass.
*/
public static void resetSchema(SqoopOptions options) throws SQLException {
HsqldbManager manager = new HsqldbManager(options);
Connection c = manager.getConnection();
Statement s = c.createStatement();
try {
String [] tables = manager.listTables();
for (String table : tables) {
s.executeUpdate("DROP TABLE " + table);
}
c.commit();
} finally {
s.close();
}
}
public static Configuration newConf() {
Configuration conf = new Configuration();
conf.set(AutoHsqldbStorage.AUTO_STORAGE_USER_KEY, TEST_AUTOCONNECT_USER);
conf.set(AutoHsqldbStorage.AUTO_STORAGE_PASS_KEY, TEST_AUTOCONNECT_PASS);
conf.set(AutoHsqldbStorage.AUTO_STORAGE_CONNECT_STRING_KEY,
TEST_AUTOCONNECT_URL);
return conf;
}
public void testAutoConnect() throws IOException {
// By default, we should be able to auto-connect with an
// empty connection descriptor. We should see an empty
// job set.
Configuration conf = newConf();
JobStorageFactory ssf = new JobStorageFactory(conf);
Map<String, String> descriptor = new TreeMap<String, String>();
JobStorage storage = ssf.getJobStorage(descriptor);
storage.open(descriptor);
List<String> jobs = storage.list();
assertEquals(0, jobs.size());
storage.close();
}
public void testCreateDeleteJob() throws IOException {
Configuration conf = newConf();
JobStorageFactory ssf = new JobStorageFactory(conf);
Map<String, String> descriptor = new TreeMap<String, String>();
JobStorage storage = ssf.getJobStorage(descriptor);
storage.open(descriptor);
// Job list should start out empty.
List<String> jobs = storage.list();
assertEquals(0, jobs.size());
// Create a job that displays the version.
JobData data = new JobData(new SqoopOptions(), new VersionTool());
storage.create("versionJob", data);
jobs = storage.list();
assertEquals(1, jobs.size());
assertEquals("versionJob", jobs.get(0));
// Try to create that same job name again. This should fail.
try {
storage.create("versionJob", data);
fail("Expected IOException; this job already exists.");
} catch (IOException ioe) {
// This is expected; continue operation.
}
jobs = storage.list();
assertEquals(1, jobs.size());
// Restore our job, check that it exists.
JobData outData = storage.read("versionJob");
assertEquals(new VersionTool().getToolName(),
outData.getSqoopTool().getToolName());
// Try to restore a job that doesn't exist. Watch it fail.
try {
storage.read("DoesNotExist");
fail("Expected IOException");
} catch (IOException ioe) {
// This is expected. Continue.
}
// Now delete the job.
storage.delete("versionJob");
// After delete, we should have no jobs.
jobs = storage.list();
assertEquals(0, jobs.size());
storage.close();
}
public void testMultiConnections() throws IOException {
// Ensure that a job can be retrieved when the storage is
// closed and reopened.
Configuration conf = newConf();
JobStorageFactory ssf = new JobStorageFactory(conf);
Map<String, String> descriptor = new TreeMap<String, String>();
JobStorage storage = ssf.getJobStorage(descriptor);
storage.open(descriptor);
// Job list should start out empty.
List<String> jobs = storage.list();
assertEquals(0, jobs.size());
// Create a job that displays the version.
JobData data = new JobData(new SqoopOptions(), new VersionTool());
storage.create("versionJob", data);
jobs = storage.list();
assertEquals(1, jobs.size());
assertEquals("versionJob", jobs.get(0));
storage.close(); // Close the existing connection
// Now re-open the storage.
ssf = new JobStorageFactory(newConf());
storage = ssf.getJobStorage(descriptor);
storage.open(descriptor);
jobs = storage.list();
assertEquals(1, jobs.size());
assertEquals("versionJob", jobs.get(0));
// Restore our job, check that it exists.
JobData outData = storage.read("versionJob");
assertEquals(new VersionTool().getToolName(),
outData.getSqoopTool().getToolName());
storage.close();
}
}