Bael 7394 (#15942)

* BAEL-7490 read write file in separate thread

* Change the to try resources

* Update the code to sync with article

* BAEL-7394 @datatestjpa in junit

* Added new module to parent

persistence-modules/pom.xml

@@ -80,6 +80,7 @@
         <!-- no longer available or maintained. Ref: https://spring.io/projects/spring-data-gemfire#overview -->
         <module>spring-data-geode</module>
         <module>spring-data-jpa-annotations</module>
+        <module>spring-data-jpa-annotations-2</module>
         <module>spring-data-jpa-crud</module>
         <module>spring-data-jpa-crud-2</module>
         <module>spring-data-jpa-enterprise</module>

persistence-modules/spring-data-jpa-annotations-2/pom.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-data-jpa-annotations-2</artifactId>
+    <name>spring-data-jpa-annotations-2</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.persistence</groupId>
+            <artifactId>jakarta.persistence-api</artifactId>
+        </dependency>
+    </dependencies>
+</project>

persistence-modules/spring-data-jpa-annotations-2/src/main/java/com/baeldung/datajpatest/User.java

@@ -0,0 +1,42 @@
+package com.baeldung.datajpatest;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "app_user")
+public class User {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String username;
+    private String password;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}

persistence-modules/spring-data-jpa-annotations-2/src/main/java/com/baeldung/datajpatest/UserApplication.java

@@ -0,0 +1,12 @@
+package com.baeldung.datajpatest;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class UserApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(UserApplication.class);
+    }
+}

persistence-modules/spring-data-jpa-annotations-2/src/main/java/com/baeldung/datajpatest/UserRepository.java

@@ -0,0 +1,8 @@
+package com.baeldung.datajpatest;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+
+    User findByUsername(String username);
+}

persistence-modules/spring-data-jpa-annotations-2/src/test/java/com/baeldung/datajpatest/UserRepositoryIntegrationTest.java

@@ -0,0 +1,68 @@
+package com.baeldung.datajpatest;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.After;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+
+@DataJpaTest
+public class UserRepositoryIntegrationTest {
+
+    @Autowired
+    private UserRepository userRepository;
+
+    private User testUser;
+
+    @BeforeEach
+    public void setUp() {
+        // Initialize test data before each test method test
+        testUser = new User();
+        testUser.setUsername("testuser");
+        testUser.setPassword("password");
+        userRepository.save(testUser);
+    }
+
+    @After
+    public void tearDown() {
+        // Release test data after each test method
+        userRepository.delete(testUser);
+    }
+
+    @Test
+    void givenUser_whenSaved_thenCanBeFoundById() {
+        // Verify that the user has been saved successfully
+        User savedUser = userRepository.findById(testUser.getId())
+            .orElse(null);
+
+        assertNotNull(savedUser);
+        assertEquals(testUser.getUsername(), savedUser.getUsername());
+        assertEquals(testUser.getPassword(), savedUser.getPassword());
+    }
+
+    @Test
+    void givenUser_whenUpdated_thenCanBeFoundByIdWithUpdatedData() {
+        testUser.setUsername("updatedUsername");
+        userRepository.save(testUser);
+
+        User updatedUser = userRepository.findById(testUser.getId())
+            .orElse(null);
+
+        assertNotNull(updatedUser);
+        assertEquals("updatedUsername", updatedUser.getUsername());
+    }
+
+    @Test
+    void givenUser_whenFindByUsernameCalled_thenUserIsFound() {
+        User foundUser = userRepository.findByUsername("testuser");
+
+        assertNotNull(foundUser);
+        assertEquals("testuser", foundUser.getUsername());
+    }
+}