From e22ad64847689bb1971de9f20d8a3c02067d98c1 Mon Sep 17 00:00:00 2001
From: Krzysztof Woyke <krzysztof.woyke.sp@lhsystems.com>
Date: Thu, 1 Apr 2021 23:31:16 +0200
Subject: [PATCH] JAVA-5083: Fix unit tests in java-jpa-3 module

---
 .../ignorable/fields/HibernateConfig.java     | 13 ++---
 .../fields/TransientFieldUnitTest.java        | 48 +++++++++++--------
 2 files changed, 34 insertions(+), 27 deletions(-)

diff --git a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/ignorable/fields/HibernateConfig.java b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/ignorable/fields/HibernateConfig.java
index 9285c23dfa..d121c81c6b 100644
--- a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/ignorable/fields/HibernateConfig.java
+++ b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/ignorable/fields/HibernateConfig.java
@@ -9,6 +9,7 @@ import org.hibernate.cfg.Environment;
 import org.hibernate.service.ServiceRegistry;
 
 public class HibernateConfig {
+
     private static SessionFactory sessionFactory;
 
     public static SessionFactory getSessionFactory() {
@@ -16,12 +17,12 @@ public class HibernateConfig {
             Configuration configuration = new Configuration();
 
             Properties settings = new Properties();
-            settings.put(Environment.DRIVER, "com.mysql.cj.jdbc.Driver");
-            settings.put(Environment.URL, "jdbc:mysql://localhost:3306/app_db?useSSL=false");
-            settings.put(Environment.USER, "root");
-            settings.put(Environment.PASS, "password");
-            settings.put(Environment.DIALECT, "org.hibernate.dialect.MySQL5Dialect");
-            settings.put(Environment.CURRENT_SESSION_CONTEXT_CLASS, "thread");
+            settings.put(Environment.DRIVER, "org.h2.Driver");
+            settings.put(Environment.URL, "jdbc:h2:mem:test");
+            settings.put(Environment.USER, "sa");
+            settings.put(Environment.PASS, "");
+            settings.put(Environment.DIALECT, "org.hibernate.dialect.H2Dialect");
+            settings.put(Environment.HBM2DDL_AUTO, "create-drop");
             configuration.setProperties(settings);
 
             configuration.addAnnotatedClass(User.class);
diff --git a/persistence-modules/java-jpa-3/src/test/java/com/baeldung/ignorable/fields/TransientFieldUnitTest.java b/persistence-modules/java-jpa-3/src/test/java/com/baeldung/ignorable/fields/TransientFieldUnitTest.java
index f50436e2ec..6d4eba2c29 100644
--- a/persistence-modules/java-jpa-3/src/test/java/com/baeldung/ignorable/fields/TransientFieldUnitTest.java
+++ b/persistence-modules/java-jpa-3/src/test/java/com/baeldung/ignorable/fields/TransientFieldUnitTest.java
@@ -1,19 +1,24 @@
 package com.baeldung.ignorable.fields;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNull;
-
-import java.io.*;
-import java.util.List;
-import java.util.Random;
-
-import org.junit.Ignore;
-import org.junit.Test;
-
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.MapperFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.hibernate5.Hibernate5Module;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Random;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 
 public class TransientFieldUnitTest {
 
@@ -23,7 +28,6 @@ public class TransientFieldUnitTest {
 
     private final User user = new User("user" + randInt + "@bar.com", "hunter2", "MacOSX");
 
-    @Ignore
     @Test
     public void givenFieldWithTransientAnnotation_whenSavingViaJPA_thenFieldIgnored() {
         userDao.saveUser(user);
@@ -36,18 +40,20 @@ public class TransientFieldUnitTest {
     @Test
     public void givenFieldWithTransientAnnotation_whenSerializingObject_thenFieldSerialized() throws IOException, ClassNotFoundException {
 
-        FileOutputStream fout = new FileOutputStream("test.obj");
-        ObjectOutputStream out = new ObjectOutputStream(fout);
-        out.writeObject(user);
-        out.flush();
-        out.close();
+        try (FileOutputStream fout = new FileOutputStream("test.obj")) {
+            ObjectOutputStream out = new ObjectOutputStream(fout);
+            out.writeObject(user);
+            out.flush();
+        }
 
-        FileInputStream fin = new FileInputStream("test.obj");
-        ObjectInputStream in = new ObjectInputStream(fin);
-        User savedUser = (User) in.readObject();
-        in.close();
+        try (FileInputStream fin = new FileInputStream("test.obj")) {
+            ObjectInputStream in = new ObjectInputStream(fin);
+            User savedUser = (User) in.readObject();
 
-        assertEquals(user.getCurrentDevice(), savedUser.getCurrentDevice());
+            assertEquals(user.getCurrentDevice(), savedUser.getCurrentDevice());
+        }
+
+        Files.deleteIfExists(Paths.get("test.obj"));
     }
 
     @Test