trunk/gora-core/src/test/java/org/apache/gora/store/TestDataStoreFactory.java

/**
 * 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.gora.store;

import java.util.Properties;

import junit.framework.Assert;

import org.apache.gora.avro.store.DataFileAvroStore;
import org.apache.gora.mock.persistency.MockPersistent;
import org.apache.gora.mock.store.MockDataStore;
import org.apache.gora.util.GoraException;
import org.apache.hadoop.conf.Configuration;
import org.junit.Before;
import org.junit.Test;

public class TestDataStoreFactory {
  private Configuration conf;
  
  @Before
  public void setUp() {
    conf = new Configuration();
  }

  @Test
  public void testGetDataStore() throws GoraException {
    DataStore<?,?> dataStore = DataStoreFactory.getDataStore("org.apache.gora.mock.store.MockDataStore"
        , String.class, MockPersistent.class, conf);
    Assert.assertNotNull(dataStore);
  }
  
  @Test
  public void testGetClasses() throws GoraException {
    DataStore<?,?> dataStore = DataStoreFactory.getDataStore("org.apache.gora.mock.store.MockDataStore"
        , String.class, MockPersistent.class, conf);
    Assert.assertNotNull(dataStore);
    Assert.assertEquals(String.class, dataStore.getKeyClass());
    Assert.assertEquals(MockPersistent.class, dataStore.getPersistentClass());
  }
  
  @Test
  public void testGetDataStore2() throws GoraException {
    DataStore<?,?> dataStore = DataStoreFactory.getDataStore(MockDataStore.class
        , String.class, MockPersistent.class, conf);
    Assert.assertNotNull(dataStore);
  }
  
  @Test
  public void testGetDataStore3() throws GoraException {
    DataStore<?,?> dataStore1 = DataStoreFactory.getDataStore("org.apache.gora.mock.store.MockDataStore"
        , Object.class, MockPersistent.class, conf);
    DataStore<?,?> dataStore2 = DataStoreFactory.getDataStore("org.apache.gora.mock.store.MockDataStore"
        , Object.class, MockPersistent.class, conf);
    DataStore<?,?> dataStore3 = DataStoreFactory.getDataStore("org.apache.gora.mock.store.MockDataStore"
        , String.class, MockPersistent.class, conf);
    
    Assert.assertNotSame(dataStore1, dataStore2);
    Assert.assertNotSame(dataStore1, dataStore3);
  }
  
  @Test
  public void testReadProperties() throws GoraException{
    //indirect testing
    DataStore<?,?> dataStore = DataStoreFactory.getDataStore(String.class,
            MockPersistent.class, conf);
    Assert.assertNotNull(dataStore);
    Assert.assertEquals(MockDataStore.class, dataStore.getClass());
  }
  
  @Test
  public void testFindProperty() {
    Properties properties = DataStoreFactory.createProps();
    
    DataStore<String, MockPersistent> store = new DataFileAvroStore<String,MockPersistent>();
    
    String fooValue = DataStoreFactory.findProperty(properties, store
        , "foo_property", "foo_default");
    Assert.assertEquals("foo_value", fooValue);
    
    String bazValue = DataStoreFactory.findProperty(properties, store
        , "baz_property", "baz_default");
    Assert.assertEquals("baz_value", bazValue);
    
    String barValue = DataStoreFactory.findProperty(properties, store
        , "bar_property", "bar_default");
    Assert.assertEquals("bar_value", barValue);
  }
  
}