Bael 2799 (#6849)

* BAEL-2799

* fix import lombok

* move to proper module

* filename fix

* filename fix

* fix tests

* fix test methods

* fix test methods

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/jpadefaultvalues/application/Application.java

@@ -0,0 +1,14 @@
+package com.baeldung.jpadefaultvalues.application;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+
+@SpringBootApplication
+public class Application {
+    private static ApplicationContext applicationContext;
+
+    public static void main(String[] args) {
+        applicationContext = SpringApplication.run(Application.class, args);
+    }
+}

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/jpadefaultvalues/application/User.java

@@ -0,0 +1,55 @@
+package com.baeldung.jpadefaultvalues.application;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class User {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    @Column(columnDefinition = "varchar(255) default 'John Snow'")
+    private String name = "John Snow";
+
+    @Column(columnDefinition = "integer default 25")
+    private Integer age = 25;
+
+    @Column(columnDefinition = "boolean default false")
+    private Boolean locked = false;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    public Boolean getLocked() {
+        return locked;
+    }
+
+    public void setLocked(Boolean locked) {
+        this.locked = locked;
+    }
+}

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/jpadefaultvalues/application/UserRepository.java

@@ -0,0 +1,8 @@
+package com.baeldung.jpadefaultvalues.application;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserRepository extends JpaRepository<User, Long> {
+}

persistence-modules/spring-boot-persistence/src/test/java/com/baeldung/jpadefaultvalues/application/UserDefaultValuesUnitTest.java

@@ -0,0 +1,56 @@
+package com.baeldung.jpadefaultvalues.application;
+
+import com.baeldung.jpadefaultvalues.application.User;
+import com.baeldung.jpadefaultvalues.application.UserRepository;
+
+import org.junit.Test;
+import org.junit.Ignore;
+import org.junit.runner.RunWith;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import static org.junit.Assert.*;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class UserDefaultValuesUnitTest {
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @Test
+    @Ignore // SQL default values are also defined
+    public void saveUser_shouldSaveWithDefaultFieldValues() {
+        User user = new User();
+        user = userRepository.save(user);
+
+        assertEquals(user.getName(), "John Snow");
+        assertEquals(25, (int) user.getAge());
+        assertFalse(user.getLocked());
+    }
+
+    @Test
+    @Ignore // SQL default values are also defined
+    public void saveUser_shouldSaveWithNullName() {
+        User user = new User();
+        user.setName(null);
+        user = userRepository.save(user);
+
+        assertNull(user.getName());
+        assertEquals(25, (int) user.getAge());
+        assertFalse(user.getLocked());
+    }
+
+    @Test
+    public void saveUser_shouldSaveWithDefaultSqlValues() {
+        User user = new User();
+        user = userRepository.save(user);
+
+        assertEquals(user.getName(), "John Snow");
+        assertEquals(25, (int) user.getAge());
+        assertFalse(user.getLocked());
+    }
+
+}