Package org.apache.sqoop.repository.derby

Source Code of org.apache.sqoop.repository.derby.TestFrameworkHandling

/**
* 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 org.apache.sqoop.repository.derby;

import org.apache.sqoop.framework.FrameworkManager;
import org.apache.sqoop.model.MFramework;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
* Test framework methods on Derby repository.
*/
public class TestFrameworkHandling extends DerbyTestCase {

  DerbyRepositoryHandler handler;

  @Override
  public void setUp() throws Exception {
    super.setUp();

    handler = new DerbyRepositoryHandler();

    // We always needs schema for this test case
    createSchema();
  }

  public void testFindFramework() throws Exception {
    // On empty repository, no framework should be there
    assertNull(handler.findFramework(getDerbyConnection()));

    // Load framework into repository
    loadConnectorAndFramework();

    // Retrieve it
    MFramework framework = handler.findFramework(getDerbyConnection());
    assertNotNull(framework);

    // Get original structure
    MFramework original = getFramework();

    // And compare them
    assertEquals(original, framework);
  }

  public void testRegisterConnector() throws Exception {
    MFramework framework = getFramework();

    handler.registerFramework(framework, getDerbyConnection());

    // Connector should get persistence ID
    assertEquals(1, framework.getPersistenceId());

    // Now check content in corresponding tables
    assertCountForTable("SQOOP.SQ_CONNECTOR", 0);
    assertCountForTable("SQOOP.SQ_FORM", 6);
    assertCountForTable("SQOOP.SQ_INPUT", 12);

    // Registered framework should be easily recovered back
    MFramework retrieved = handler.findFramework(getDerbyConnection());
    assertNotNull(retrieved);
    assertEquals(framework, retrieved);
    assertEquals(framework.getVersion(), retrieved.getVersion());
  }

  private String getFrameworkVersion() throws Exception {
    final String frameworkVersionQuery =
      "SELECT SQM_VALUE FROM SQOOP.SQ_SYSTEM WHERE SQM_KEY=?";
    String retVal = null;
    PreparedStatement preparedStmt = null;
    ResultSet resultSet = null;
    try {
      preparedStmt =
        getDerbyConnection().prepareStatement(frameworkVersionQuery);
      preparedStmt.setString(1, DerbyRepoConstants.SYSKEY_FRAMEWORK_VERSION);
      resultSet = preparedStmt.executeQuery();
      if(resultSet.next())
        retVal = resultSet.getString(1);
      return retVal;
    } finally {
      if(preparedStmt !=null) {
        try {
          preparedStmt.close();
        } catch(SQLException e) {
        }
      }
      if(resultSet != null) {
        try {
          resultSet.close();
        } catch(SQLException e) {
        }
      }
    }
  }

  public void testFrameworkVersion() throws Exception {
    handler.registerFramework(getFramework(), getDerbyConnection());

    final String lowerVersion = Integer.toString(
      Integer.parseInt(FrameworkManager.CURRENT_FRAMEWORK_VERSION) - 1);
    assertEquals(FrameworkManager.CURRENT_FRAMEWORK_VERSION, getFrameworkVersion());
    runQuery("UPDATE SQOOP.SQ_SYSTEM SET SQM_VALUE='" + lowerVersion +
      "' WHERE SQM_KEY = '" + DerbyRepoConstants.SYSKEY_FRAMEWORK_VERSION + "'");
    assertEquals(lowerVersion, getFrameworkVersion());

    MFramework framework = getFramework();
    handler.updateFramework(framework, getDerbyConnection());

    assertEquals(FrameworkManager.CURRENT_FRAMEWORK_VERSION, framework.getVersion());

    assertEquals(FrameworkManager.CURRENT_FRAMEWORK_VERSION, getFrameworkVersion());
  }

}
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