added missing test classes

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/testing/persistence/FlywayTest.java

@@ -0,0 +1,24 @@
+package io.reflectoring.testing.persistence;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+@ExtendWith(SpringExtension.class)
+@DataJpaTest
+@TestPropertySource(properties = {
+        "spring.jpa.hibernate.ddl-auto=validate",
+        "spring.liquibase.enabled=false",
+        "spring.flyway.enabled=true"
+})
+class FlywayTest {
+
+  @Test
+  void databaseHasBeenInitialized() {
+
+  }
+
+}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/testing/persistence/HibernateTest.java

@@ -0,0 +1,63 @@
+package io.reflectoring.testing.persistence;
+
+import javax.persistence.EntityManager;
+import javax.sql.DataSource;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import static org.assertj.core.api.Assertions.*;
+
+@ExtendWith(SpringExtension.class)
+@DataJpaTest
+@TestPropertySource(properties = {
+        "spring.jpa.hibernate.ddl-auto=create-drop",
+        "spring.flyway.enabled=false"
+})
+class HibernateTest {
+
+  @Autowired
+  private UserRepository userRepository;
+
+  @Autowired
+  private DataSource dataSource;
+
+  @Autowired
+  private JdbcTemplate jdbcTemplate;
+
+  @Autowired
+  private EntityManager entityManager;
+
+  @Test
+  void injectedComponentsAreNotNull() {
+    assertThat(dataSource).isNotNull();
+    assertThat(jdbcTemplate).isNotNull();
+    assertThat(entityManager).isNotNull();
+    assertThat(userRepository).isNotNull();
+  }
+
+  @Test
+  void stateIsNotShared1() {
+    assertThat(userRepository.findByName("user2")).isNull();
+    userRepository.save(new UserEntity("user1", "mail1"));
+  }
+
+  @Test
+  void stateIsNotShared2() {
+    assertThat(userRepository.findByName("user1")).isNull();
+    userRepository.save(new UserEntity("user2", "mail2"));
+  }
+
+  @Test
+  void whenSaved_thenFindsByName() {
+    userRepository.save(new UserEntity(
+            "Zaphod Beeblebrox",
+            "zaphod@galaxy.net"));
+    assertThat(userRepository.findByName("Zaphod Beeblebrox")).isNotNull();
+  }
+
+}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/testing/persistence/LiquibaseTest.java

@@ -0,0 +1,23 @@
+package io.reflectoring.testing.persistence;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+@ExtendWith(SpringExtension.class)
+@DataJpaTest
+@TestPropertySource(properties = {
+        "spring.jpa.hibernate.ddl-auto=validate",
+        "spring.liquibase.enabled=true",
+        "spring.flyway.enabled=false"
+})
+class LiquibaseTest {
+
+  @Test
+  void databaseHasBeenInitialized() {
+
+  }
+
+}