SortingTestsForArticle

spring-jpa/src/test/java/org/baeldung/persistence/service/FooServiceSortingTests.java

@@ -0,0 +1,72 @@
+package org.baeldung.persistence.service;
+
+import static org.junit.Assert.*;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+import javax.persistence.Query;
+
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.cc.jpa.example.Foo;
+public class FooServiceSortingTests {
+private EntityManager entityManager;	
+  
+	@BeforeClass
+	public static void before(){
+		
+	       
+	}
+
+	 @After
+	    public final void after() {
+	       
+	 }
+	
+	 @Test
+		public final void whenSortingByOneAttributeDefault_thenSortedResult() {
+			
+			
+	        Query sortQuery = entityManager.createQuery
+	        	    ("Select f from Foo as f order by f.id");
+			List<Foo> fooList = sortQuery.getResultList();
+			for(Foo foo:fooList){
+				System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
+			}
+			
+	}
+	 
+	@Test
+	public final void whenSortingByOneAttribute_thenSortedResult() {
+		
+		Query sortQuery = entityManager.createQuery
+        	    ("Select f from Foo as f order by f.id desc");
+		List<Foo> fooList = sortQuery.getResultList();
+		for(Foo foo:fooList){
+			System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
+		}
+		
+	}
+	
+	@Test
+	public final void whenSortingByTwoAttributes_thenSortedResult() {
+		
+		Query sortQuery = entityManager.createQuery
+        	    ("Select f from Foo as f order by f.name asc, f.id desc");
+		List<Foo> fooList = sortQuery.getResultList();
+		for(Foo foo:fooList){
+			System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
+		}
+		
+	}
+
+}