odata2-jpa-processor/jpa-core/src/test/java/org/apache/olingo/odata2/jpa/processor/core/jpql/JPQLBuilderFactoryTest.java - olingo-odata2 - Git at Google

 /*******************************************************************************
  * 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.olingo.odata2.jpa.processor.core.jpql;

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

 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;

 import javax.persistence.Cache;
 import javax.persistence.EntityManager;
 import javax.persistence.EntityManagerFactory;
 import javax.persistence.PersistenceUnitUtil;
 import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.metamodel.Metamodel;

 import org.apache.olingo.odata2.api.edm.EdmEntitySet;
 import org.apache.olingo.odata2.api.edm.EdmEntityType;
 import org.apache.olingo.odata2.api.edm.EdmException;
 import org.apache.olingo.odata2.api.edm.EdmMapping;
 import org.apache.olingo.odata2.api.edm.EdmProperty;
 import org.apache.olingo.odata2.api.edm.EdmSimpleType;
 import org.apache.olingo.odata2.api.edm.EdmSimpleTypeKind;
 import org.apache.olingo.odata2.api.exception.ODataException;
 import org.apache.olingo.odata2.api.uri.KeyPredicate;
 import org.apache.olingo.odata2.api.uri.NavigationSegment;
 import org.apache.olingo.odata2.api.uri.expression.OrderByExpression;
 import org.apache.olingo.odata2.api.uri.info.GetEntitySetUriInfo;
 import org.apache.olingo.odata2.api.uri.info.GetEntityUriInfo;
 import org.apache.olingo.odata2.jpa.processor.api.factory.JPAAccessFactory;
 import org.apache.olingo.odata2.jpa.processor.api.factory.ODataJPAAccessFactory;
 import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContext;
 import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContext.JPQLContextBuilder;
 import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContextType;
 import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLStatement.JPQLStatementBuilder;
 import org.apache.olingo.odata2.jpa.processor.core.ODataJPAContextImpl;
 import org.apache.olingo.odata2.jpa.processor.core.access.data.JPAProcessorImplTest;
 import org.apache.olingo.odata2.jpa.processor.core.common.ODataJPATestConstants;
 import org.apache.olingo.odata2.jpa.processor.core.factory.ODataJPAFactoryImpl;
 import org.apache.olingo.odata2.jpa.processor.core.jpql.JPQLSelectContext.JPQLSelectContextBuilder;
 import org.apache.olingo.odata2.jpa.processor.core.jpql.JPQLSelectSingleContext.JPQLSelectSingleContextBuilder;
 import org.easymock.EasyMock;
 import org.junit.Test;

 public class JPQLBuilderFactoryTest {

   @Test
   public void testGetStatementBuilderFactoryforSelect() throws ODataException {

     GetEntitySetUriInfo getEntitySetView = getUriInfo();

     // Build JPQL Context
     JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.SELECT, getEntitySetView).build();
     JPQLStatementBuilder statementBuilder =
         new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

     assertTrue(statementBuilder instanceof JPQLSelectStatementBuilder);

   }

   @Test
   public void testGetStatementBuilderFactoryforSelectSingle() throws ODataException {

     GetEntityUriInfo getEntityView = getEntityUriInfo();

     // Build JPQL Context
     JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.SELECT_SINGLE, getEntityView).build();
     JPQLStatementBuilder statementBuilder =
         new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

     assertTrue(statementBuilder instanceof JPQLSelectSingleStatementBuilder);

   }

   @Test
   public void testGetStatementBuilderFactoryforJoinSelect() throws ODataException {

     GetEntitySetUriInfo getEntitySetView = getUriInfo();

     // Build JPQL Context
     JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.JOIN, getEntitySetView).build();
     JPQLStatementBuilder statementBuilder =
         new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

     assertTrue(statementBuilder instanceof JPQLJoinStatementBuilder);

   }

   @Test
   public void testGetStatementBuilderFactoryforJoinSelectSingle() throws ODataException {

     GetEntityUriInfo getEntityView = getEntityUriInfo();

     // Build JPQL Context
     JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.JOIN_SINGLE, getEntityView).build();
     JPQLStatementBuilder statementBuilder =
         new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

     assertTrue(statementBuilder instanceof JPQLJoinSelectSingleStatementBuilder);

   }

   @Test
   public void testGetContextBuilderforDelete() throws ODataException {

     // Build JPQL ContextBuilder
     JPQLContextBuilder contextBuilder =
         new ODataJPAFactoryImpl().getJPQLBuilderFactory().getContextBuilder(JPQLContextType.DELETE);

     assertNull(contextBuilder);

   }

   @Test
   public void testGetContextBuilderforSelect() throws ODataException {

     // Build JPQL ContextBuilder
     JPQLContextBuilder contextBuilder =
         new ODataJPAFactoryImpl().getJPQLBuilderFactory().getContextBuilder(JPQLContextType.SELECT);

     assertNotNull(contextBuilder);
     assertTrue(contextBuilder instanceof JPQLSelectContextBuilder);

   }

   @Test
   public void testGetContextBuilderforSelectSingle() throws ODataException {

     // Build JPQL ContextBuilder
     JPQLContextBuilder contextBuilder =
         new ODataJPAFactoryImpl().getJPQLBuilderFactory().getContextBuilder(JPQLContextType.SELECT_SINGLE);

     assertNotNull(contextBuilder);
     assertTrue(contextBuilder instanceof JPQLSelectSingleContextBuilder);

   }

   private GetEntitySetUriInfo getUriInfo() throws EdmException {
     GetEntitySetUriInfo getEntitySetView = EasyMock.createMock(GetEntitySetUriInfo.class);
     EdmEntitySet edmEntitySet = EasyMock.createMock(EdmEntitySet.class);
     EdmEntityType edmEntityType = EasyMock.createMock(EdmEntityType.class);
     EasyMock.expect(edmEntityType.getMapping()).andStubReturn(null);
     EasyMock.expect(edmEntityType.getName()).andStubReturn("SOItem");
     EasyMock.replay(edmEntityType);
     OrderByExpression orderByExpression = EasyMock.createMock(OrderByExpression.class);
     EasyMock.expect(getEntitySetView.getTargetEntitySet()).andStubReturn(edmEntitySet);
     EdmEntitySet startEdmEntitySet = EasyMock.createMock(EdmEntitySet.class);
     EdmEntityType startEdmEntityType = EasyMock.createMock(EdmEntityType.class);
     EasyMock.expect(startEdmEntityType.getMapping()).andStubReturn(null);
     EasyMock.expect(startEdmEntityType.getName()).andStubReturn("SOHeader");
     EasyMock.expect(startEdmEntitySet.getEntityType()).andStubReturn(startEdmEntityType);
     EasyMock.expect(getEntitySetView.getStartEntitySet()).andStubReturn(startEdmEntitySet);
     EasyMock.replay(startEdmEntityType, startEdmEntitySet);
     EasyMock.expect(getEntitySetView.getOrderBy()).andStubReturn(orderByExpression);
     EasyMock.expect(getEntitySetView.getSelect()).andStubReturn(null);
     EasyMock.expect(getEntitySetView.getFilter()).andStubReturn(null);
     List<NavigationSegment> navigationSegments = new ArrayList<NavigationSegment>();
     EasyMock.expect(getEntitySetView.getNavigationSegments()).andStubReturn(navigationSegments);
     KeyPredicate keyPredicate = EasyMock.createMock(KeyPredicate.class);
     EdmProperty kpProperty = EasyMock.createMock(EdmProperty.class);
     EdmSimpleType edmType = EdmSimpleTypeKind.Int32.getEdmSimpleTypeInstance();
     EdmMapping edmMapping = EasyMock.createMock(EdmMapping.class);
     EasyMock.expect(edmMapping.getInternalName()).andStubReturn("Field1");
     EasyMock.expect(keyPredicate.getLiteral()).andStubReturn("1");
     try {
       EasyMock.expect(kpProperty.getName()).andStubReturn("Field1");
       EasyMock.expect(kpProperty.getType()).andStubReturn(edmType);

       EasyMock.expect(kpProperty.getMapping()).andStubReturn(edmMapping);

     } catch (EdmException e2) {
       fail("this should not happen");
     }
     EasyMock.expect(keyPredicate.getProperty()).andStubReturn(kpProperty);
     EasyMock.replay(edmMapping, kpProperty, keyPredicate);
     List<KeyPredicate> keyPredicates = new ArrayList<KeyPredicate>();
     keyPredicates.add(keyPredicate);
     EasyMock.expect(getEntitySetView.getKeyPredicates()).andStubReturn(keyPredicates);
     EasyMock.replay(getEntitySetView);
     EasyMock.expect(edmEntitySet.getEntityType()).andStubReturn(edmEntityType);
     EasyMock.replay(edmEntitySet);
     return getEntitySetView;
   }

   private GetEntityUriInfo getEntityUriInfo() throws EdmException {
     GetEntityUriInfo getEntityView = EasyMock.createMock(GetEntityUriInfo.class);
     EdmEntitySet edmEntitySet = EasyMock.createMock(EdmEntitySet.class);
     EdmEntityType edmEntityType = EasyMock.createMock(EdmEntityType.class);
     EasyMock.expect(edmEntityType.getKeyProperties()).andStubReturn(new ArrayList<EdmProperty>());
     EasyMock.expect(edmEntityType.getMapping()).andStubReturn(null);
     EasyMock.expect(edmEntityType.getName()).andStubReturn("");
     EasyMock.expect(edmEntitySet.getEntityType()).andStubReturn(edmEntityType);
     EasyMock.expect(getEntityView.getSelect()).andStubReturn(null);
     EasyMock.expect(getEntityView.getTargetEntitySet()).andStubReturn(edmEntitySet);
     EdmEntitySet startEdmEntitySet = EasyMock.createMock(EdmEntitySet.class);
     EdmEntityType startEdmEntityType = EasyMock.createMock(EdmEntityType.class);
     EasyMock.expect(startEdmEntityType.getMapping()).andStubReturn(null);
     EasyMock.expect(startEdmEntityType.getName()).andStubReturn("SOHeader");
     EasyMock.expect(startEdmEntitySet.getEntityType()).andStubReturn(startEdmEntityType);
     EasyMock.expect(getEntityView.getStartEntitySet()).andStubReturn(startEdmEntitySet);
     EasyMock.replay(startEdmEntityType, startEdmEntitySet);
     EasyMock.replay(edmEntityType, edmEntitySet);
     EasyMock.expect(getEntityView.getKeyPredicates()).andStubReturn(new ArrayList<KeyPredicate>());
     List<NavigationSegment> navigationSegments = new ArrayList<NavigationSegment>();
     EasyMock.expect(getEntityView.getNavigationSegments()).andStubReturn(navigationSegments);
     EasyMock.replay(getEntityView);
     return getEntityView;
   }

   @Test
   public void testJPAAccessFactory() {
     ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
     JPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getJPAAccessFactory();
     ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();
     Class<?> clazz = oDataJPAContextImpl.getClass();
     try {
       Field field = clazz.getDeclaredField("em");
       field.setAccessible(true);
       field.set(oDataJPAContextImpl, new JPAProcessorImplTest().getLocalEntityManager());
     } catch (SecurityException e) {
       fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
     } catch (NoSuchFieldException e) {
       fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
     } catch (IllegalArgumentException e) {
       fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
     } catch (IllegalAccessException e) {
       fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
     }
     final EntityManager em = EasyMock.createMock(EntityManager.class);
     EasyMock.expect(em.getMetamodel()).andReturn(null);
     EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
     EasyMock.replay(em);

     oDataJPAContextImpl.setEntityManagerFactory(new TestEntityManagerFactory(em));
     oDataJPAContextImpl.setPersistenceUnitName("pUnit");

     assertNotNull(jpaAccessFactory.getJPAProcessor(oDataJPAContextImpl));
     assertNotNull(jpaAccessFactory.getJPAEdmModelView(oDataJPAContextImpl));
   }


   @Test
   public void testJPAAccessFactoryEntityManagerOnly() {
     ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
     JPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getJPAAccessFactory();
     ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();

     final EntityManager em = EasyMock.createMock(EntityManager.class);
     EasyMock.expect(em.getMetamodel()).andReturn(null);
     EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
     EasyMock.replay(em);

     oDataJPAContextImpl.setEntityManager(em);

     assertNotNull(jpaAccessFactory.getJPAProcessor(oDataJPAContextImpl));
     assertNotNull(jpaAccessFactory.getJPAEdmModelView(oDataJPAContextImpl));
   }

   @Test
   public void testOdataJpaAccessFactory() {

     ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
     ODataJPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getODataJPAAccessFactory();
     ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();

     final EntityManager em = EasyMock.createMock(EntityManager.class);
     EasyMock.expect(em.getMetamodel()).andReturn(null);
     EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
     EasyMock.replay(em);

     oDataJPAContextImpl.setEntityManagerFactory(new TestEntityManagerFactory(em));
     oDataJPAContextImpl.setPersistenceUnitName("pUnit");

     assertNotNull(jpaAccessFactory.getODataJPAMessageService(new Locale("en")));
     assertNotNull(jpaAccessFactory.createODataJPAContext());
     assertNotNull(jpaAccessFactory.createJPAEdmProvider(oDataJPAContextImpl));
     assertNotNull(jpaAccessFactory.createODataProcessor(oDataJPAContextImpl));
   }

   @Test
   public void testOdataJpaAccessFactoryEntityManagerOnly() {
     ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
     ODataJPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getODataJPAAccessFactory();
     ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();

     EntityManager em = EasyMock.createMock(EntityManager.class);
     EasyMock.expect(em.getMetamodel()).andReturn(null);
     EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
     EasyMock.replay(em);

     oDataJPAContextImpl.setEntityManager(em);
     oDataJPAContextImpl.setPersistenceUnitName("pUnit");

     assertNotNull(jpaAccessFactory.getODataJPAMessageService(new Locale("en")));
     assertNotNull(jpaAccessFactory.createODataJPAContext());
     assertNotNull(jpaAccessFactory.createJPAEdmProvider(oDataJPAContextImpl));
     assertNotNull(jpaAccessFactory.createODataProcessor(oDataJPAContextImpl));
   }

   private static class TestEntityManagerFactory implements EntityManagerFactory {

     private EntityManager em;

     public TestEntityManagerFactory(EntityManager entityManager) {
       em = entityManager;
     }

     @Override
     public boolean isOpen() {
       return false;
     }

     @Override
     public Map<String, Object> getProperties() {
       return null;
     }

     @Override
     public PersistenceUnitUtil getPersistenceUnitUtil() {
       return null;
     }

     @Override
     public Metamodel getMetamodel() {
       return null;
     }

     @Override
     public CriteriaBuilder getCriteriaBuilder() {
       return null;
     }

     @Override
     public Cache getCache() {
       return null;
     }

     @SuppressWarnings("rawtypes")
     @Override
     public EntityManager createEntityManager(final Map arg0) {
       return em;
     }

     @Override
     public EntityManager createEntityManager() {
       return em;
     }

     @Override
     public void close() {
     }
   };

 }
	/*******************************************************************************
	* 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.olingo.odata2.jpa.processor.core.jpql;

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

	import java.lang.reflect.Field;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Locale;
	import java.util.Map;

	import javax.persistence.Cache;
	import javax.persistence.EntityManager;
	import javax.persistence.EntityManagerFactory;
	import javax.persistence.PersistenceUnitUtil;
	import javax.persistence.criteria.CriteriaBuilder;
	import javax.persistence.metamodel.Metamodel;

	import org.apache.olingo.odata2.api.edm.EdmEntitySet;
	import org.apache.olingo.odata2.api.edm.EdmEntityType;
	import org.apache.olingo.odata2.api.edm.EdmException;
	import org.apache.olingo.odata2.api.edm.EdmMapping;
	import org.apache.olingo.odata2.api.edm.EdmProperty;
	import org.apache.olingo.odata2.api.edm.EdmSimpleType;
	import org.apache.olingo.odata2.api.edm.EdmSimpleTypeKind;
	import org.apache.olingo.odata2.api.exception.ODataException;
	import org.apache.olingo.odata2.api.uri.KeyPredicate;
	import org.apache.olingo.odata2.api.uri.NavigationSegment;
	import org.apache.olingo.odata2.api.uri.expression.OrderByExpression;
	import org.apache.olingo.odata2.api.uri.info.GetEntitySetUriInfo;
	import org.apache.olingo.odata2.api.uri.info.GetEntityUriInfo;
	import org.apache.olingo.odata2.jpa.processor.api.factory.JPAAccessFactory;
	import org.apache.olingo.odata2.jpa.processor.api.factory.ODataJPAAccessFactory;
	import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContext;
	import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContext.JPQLContextBuilder;
	import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContextType;
	import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLStatement.JPQLStatementBuilder;
	import org.apache.olingo.odata2.jpa.processor.core.ODataJPAContextImpl;
	import org.apache.olingo.odata2.jpa.processor.core.access.data.JPAProcessorImplTest;
	import org.apache.olingo.odata2.jpa.processor.core.common.ODataJPATestConstants;
	import org.apache.olingo.odata2.jpa.processor.core.factory.ODataJPAFactoryImpl;
	import org.apache.olingo.odata2.jpa.processor.core.jpql.JPQLSelectContext.JPQLSelectContextBuilder;
	import org.apache.olingo.odata2.jpa.processor.core.jpql.JPQLSelectSingleContext.JPQLSelectSingleContextBuilder;
	import org.easymock.EasyMock;
	import org.junit.Test;

	public class JPQLBuilderFactoryTest {

	@Test
	public void testGetStatementBuilderFactoryforSelect() throws ODataException {

	GetEntitySetUriInfo getEntitySetView = getUriInfo();

	// Build JPQL Context
	JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.SELECT, getEntitySetView).build();
	JPQLStatementBuilder statementBuilder =
	new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

	assertTrue(statementBuilder instanceof JPQLSelectStatementBuilder);

	}

	@Test
	public void testGetStatementBuilderFactoryforSelectSingle() throws ODataException {

	GetEntityUriInfo getEntityView = getEntityUriInfo();

	// Build JPQL Context
	JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.SELECT_SINGLE, getEntityView).build();
	JPQLStatementBuilder statementBuilder =
	new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

	assertTrue(statementBuilder instanceof JPQLSelectSingleStatementBuilder);

	}

	@Test
	public void testGetStatementBuilderFactoryforJoinSelect() throws ODataException {

	GetEntitySetUriInfo getEntitySetView = getUriInfo();

	// Build JPQL Context
	JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.JOIN, getEntitySetView).build();
	JPQLStatementBuilder statementBuilder =
	new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

	assertTrue(statementBuilder instanceof JPQLJoinStatementBuilder);

	}

	@Test
	public void testGetStatementBuilderFactoryforJoinSelectSingle() throws ODataException {

	GetEntityUriInfo getEntityView = getEntityUriInfo();

	// Build JPQL Context
	JPQLContext selectContext = JPQLContext.createBuilder(JPQLContextType.JOIN_SINGLE, getEntityView).build();
	JPQLStatementBuilder statementBuilder =
	new ODataJPAFactoryImpl().getJPQLBuilderFactory().getStatementBuilder(selectContext);

	assertTrue(statementBuilder instanceof JPQLJoinSelectSingleStatementBuilder);

	}

	@Test
	public void testGetContextBuilderforDelete() throws ODataException {

	// Build JPQL ContextBuilder
	JPQLContextBuilder contextBuilder =
	new ODataJPAFactoryImpl().getJPQLBuilderFactory().getContextBuilder(JPQLContextType.DELETE);

	assertNull(contextBuilder);

	}

	@Test
	public void testGetContextBuilderforSelect() throws ODataException {

	// Build JPQL ContextBuilder
	JPQLContextBuilder contextBuilder =
	new ODataJPAFactoryImpl().getJPQLBuilderFactory().getContextBuilder(JPQLContextType.SELECT);

	assertNotNull(contextBuilder);
	assertTrue(contextBuilder instanceof JPQLSelectContextBuilder);

	}

	@Test
	public void testGetContextBuilderforSelectSingle() throws ODataException {

	// Build JPQL ContextBuilder
	JPQLContextBuilder contextBuilder =
	new ODataJPAFactoryImpl().getJPQLBuilderFactory().getContextBuilder(JPQLContextType.SELECT_SINGLE);

	assertNotNull(contextBuilder);
	assertTrue(contextBuilder instanceof JPQLSelectSingleContextBuilder);

	}

	private GetEntitySetUriInfo getUriInfo() throws EdmException {
	GetEntitySetUriInfo getEntitySetView = EasyMock.createMock(GetEntitySetUriInfo.class);
	EdmEntitySet edmEntitySet = EasyMock.createMock(EdmEntitySet.class);
	EdmEntityType edmEntityType = EasyMock.createMock(EdmEntityType.class);
	EasyMock.expect(edmEntityType.getMapping()).andStubReturn(null);
	EasyMock.expect(edmEntityType.getName()).andStubReturn("SOItem");
	EasyMock.replay(edmEntityType);
	OrderByExpression orderByExpression = EasyMock.createMock(OrderByExpression.class);
	EasyMock.expect(getEntitySetView.getTargetEntitySet()).andStubReturn(edmEntitySet);
	EdmEntitySet startEdmEntitySet = EasyMock.createMock(EdmEntitySet.class);
	EdmEntityType startEdmEntityType = EasyMock.createMock(EdmEntityType.class);
	EasyMock.expect(startEdmEntityType.getMapping()).andStubReturn(null);
	EasyMock.expect(startEdmEntityType.getName()).andStubReturn("SOHeader");
	EasyMock.expect(startEdmEntitySet.getEntityType()).andStubReturn(startEdmEntityType);
	EasyMock.expect(getEntitySetView.getStartEntitySet()).andStubReturn(startEdmEntitySet);
	EasyMock.replay(startEdmEntityType, startEdmEntitySet);
	EasyMock.expect(getEntitySetView.getOrderBy()).andStubReturn(orderByExpression);
	EasyMock.expect(getEntitySetView.getSelect()).andStubReturn(null);
	EasyMock.expect(getEntitySetView.getFilter()).andStubReturn(null);
	List<NavigationSegment> navigationSegments = new ArrayList<NavigationSegment>();
	EasyMock.expect(getEntitySetView.getNavigationSegments()).andStubReturn(navigationSegments);
	KeyPredicate keyPredicate = EasyMock.createMock(KeyPredicate.class);
	EdmProperty kpProperty = EasyMock.createMock(EdmProperty.class);
	EdmSimpleType edmType = EdmSimpleTypeKind.Int32.getEdmSimpleTypeInstance();
	EdmMapping edmMapping = EasyMock.createMock(EdmMapping.class);
	EasyMock.expect(edmMapping.getInternalName()).andStubReturn("Field1");
	EasyMock.expect(keyPredicate.getLiteral()).andStubReturn("1");
	try {
	EasyMock.expect(kpProperty.getName()).andStubReturn("Field1");
	EasyMock.expect(kpProperty.getType()).andStubReturn(edmType);

	EasyMock.expect(kpProperty.getMapping()).andStubReturn(edmMapping);

	} catch (EdmException e2) {
	fail("this should not happen");
	}
	EasyMock.expect(keyPredicate.getProperty()).andStubReturn(kpProperty);
	EasyMock.replay(edmMapping, kpProperty, keyPredicate);
	List<KeyPredicate> keyPredicates = new ArrayList<KeyPredicate>();
	keyPredicates.add(keyPredicate);
	EasyMock.expect(getEntitySetView.getKeyPredicates()).andStubReturn(keyPredicates);
	EasyMock.replay(getEntitySetView);
	EasyMock.expect(edmEntitySet.getEntityType()).andStubReturn(edmEntityType);
	EasyMock.replay(edmEntitySet);
	return getEntitySetView;
	}

	private GetEntityUriInfo getEntityUriInfo() throws EdmException {
	GetEntityUriInfo getEntityView = EasyMock.createMock(GetEntityUriInfo.class);
	EdmEntitySet edmEntitySet = EasyMock.createMock(EdmEntitySet.class);
	EdmEntityType edmEntityType = EasyMock.createMock(EdmEntityType.class);
	EasyMock.expect(edmEntityType.getKeyProperties()).andStubReturn(new ArrayList<EdmProperty>());
	EasyMock.expect(edmEntityType.getMapping()).andStubReturn(null);
	EasyMock.expect(edmEntityType.getName()).andStubReturn("");
	EasyMock.expect(edmEntitySet.getEntityType()).andStubReturn(edmEntityType);
	EasyMock.expect(getEntityView.getSelect()).andStubReturn(null);
	EasyMock.expect(getEntityView.getTargetEntitySet()).andStubReturn(edmEntitySet);
	EdmEntitySet startEdmEntitySet = EasyMock.createMock(EdmEntitySet.class);
	EdmEntityType startEdmEntityType = EasyMock.createMock(EdmEntityType.class);
	EasyMock.expect(startEdmEntityType.getMapping()).andStubReturn(null);
	EasyMock.expect(startEdmEntityType.getName()).andStubReturn("SOHeader");
	EasyMock.expect(startEdmEntitySet.getEntityType()).andStubReturn(startEdmEntityType);
	EasyMock.expect(getEntityView.getStartEntitySet()).andStubReturn(startEdmEntitySet);
	EasyMock.replay(startEdmEntityType, startEdmEntitySet);
	EasyMock.replay(edmEntityType, edmEntitySet);
	EasyMock.expect(getEntityView.getKeyPredicates()).andStubReturn(new ArrayList<KeyPredicate>());
	List<NavigationSegment> navigationSegments = new ArrayList<NavigationSegment>();
	EasyMock.expect(getEntityView.getNavigationSegments()).andStubReturn(navigationSegments);
	EasyMock.replay(getEntityView);
	return getEntityView;
	}

	@Test
	public void testJPAAccessFactory() {
	ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
	JPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getJPAAccessFactory();
	ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();
	Class<?> clazz = oDataJPAContextImpl.getClass();
	try {
	Field field = clazz.getDeclaredField("em");
	field.setAccessible(true);
	field.set(oDataJPAContextImpl, new JPAProcessorImplTest().getLocalEntityManager());
	} catch (SecurityException e) {
	fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
	} catch (NoSuchFieldException e) {
	fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
	} catch (IllegalArgumentException e) {
	fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
	} catch (IllegalAccessException e) {
	fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
	}
	final EntityManager em = EasyMock.createMock(EntityManager.class);
	EasyMock.expect(em.getMetamodel()).andReturn(null);
	EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
	EasyMock.replay(em);

	oDataJPAContextImpl.setEntityManagerFactory(new TestEntityManagerFactory(em));
	oDataJPAContextImpl.setPersistenceUnitName("pUnit");

	assertNotNull(jpaAccessFactory.getJPAProcessor(oDataJPAContextImpl));
	assertNotNull(jpaAccessFactory.getJPAEdmModelView(oDataJPAContextImpl));
	}


	@Test
	public void testJPAAccessFactoryEntityManagerOnly() {
	ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
	JPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getJPAAccessFactory();
	ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();

	final EntityManager em = EasyMock.createMock(EntityManager.class);
	EasyMock.expect(em.getMetamodel()).andReturn(null);
	EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
	EasyMock.replay(em);

	oDataJPAContextImpl.setEntityManager(em);

	assertNotNull(jpaAccessFactory.getJPAProcessor(oDataJPAContextImpl));
	assertNotNull(jpaAccessFactory.getJPAEdmModelView(oDataJPAContextImpl));
	}

	@Test
	public void testOdataJpaAccessFactory() {

	ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
	ODataJPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getODataJPAAccessFactory();
	ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();

	final EntityManager em = EasyMock.createMock(EntityManager.class);
	EasyMock.expect(em.getMetamodel()).andReturn(null);
	EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
	EasyMock.replay(em);

	oDataJPAContextImpl.setEntityManagerFactory(new TestEntityManagerFactory(em));
	oDataJPAContextImpl.setPersistenceUnitName("pUnit");

	assertNotNull(jpaAccessFactory.getODataJPAMessageService(new Locale("en")));
	assertNotNull(jpaAccessFactory.createODataJPAContext());
	assertNotNull(jpaAccessFactory.createJPAEdmProvider(oDataJPAContextImpl));
	assertNotNull(jpaAccessFactory.createODataProcessor(oDataJPAContextImpl));
	}

	@Test
	public void testOdataJpaAccessFactoryEntityManagerOnly() {
	ODataJPAFactoryImpl oDataJPAFactoryImpl = new ODataJPAFactoryImpl();
	ODataJPAAccessFactory jpaAccessFactory = oDataJPAFactoryImpl.getODataJPAAccessFactory();
	ODataJPAContextImpl oDataJPAContextImpl = new ODataJPAContextImpl();

	EntityManager em = EasyMock.createMock(EntityManager.class);
	EasyMock.expect(em.getMetamodel()).andReturn(null);
	EasyMock.expect(em.isOpen()).andReturn(true).anyTimes();
	EasyMock.replay(em);

	oDataJPAContextImpl.setEntityManager(em);
	oDataJPAContextImpl.setPersistenceUnitName("pUnit");

	assertNotNull(jpaAccessFactory.getODataJPAMessageService(new Locale("en")));
	assertNotNull(jpaAccessFactory.createODataJPAContext());
	assertNotNull(jpaAccessFactory.createJPAEdmProvider(oDataJPAContextImpl));
	assertNotNull(jpaAccessFactory.createODataProcessor(oDataJPAContextImpl));
	}

	private static class TestEntityManagerFactory implements EntityManagerFactory {

	private EntityManager em;

	public TestEntityManagerFactory(EntityManager entityManager) {
	em = entityManager;
	}

	@Override
	public boolean isOpen() {
	return false;
	}

	@Override
	public Map<String, Object> getProperties() {
	return null;
	}

	@Override
	public PersistenceUnitUtil getPersistenceUnitUtil() {
	return null;
	}

	@Override
	public Metamodel getMetamodel() {
	return null;
	}

	@Override
	public CriteriaBuilder getCriteriaBuilder() {
	return null;
	}

	@Override
	public Cache getCache() {
	return null;
	}

	@SuppressWarnings("rawtypes")
	@Override
	public EntityManager createEntityManager(final Map arg0) {
	return em;
	}

	@Override
	public EntityManager createEntityManager() {
	return em;
	}

	@Override
	public void close() {
	}
	};

	}