Added example repository test using Postgres 9.4.15 through testcontainers

src/main/java/de/rpr/testcontainerspostgresdemo/TestcontainersPostgresDemoApplication.java

@@ -1,12 +1,15 @@
 package de.rpr.testcontainerspostgresdemo;
 
+import de.rpr.testcontainerspostgresdemo.repository.MyEntityRepository;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 
 @SpringBootApplication
+@EnableJpaRepositories(basePackageClasses = MyEntityRepository.class)
 public class TestcontainersPostgresDemoApplication {
 
-	public static void main(String[] args) {
-		SpringApplication.run(TestcontainersPostgresDemoApplication.class, args);
-	}
+  public static void main(String[] args) {
+    SpringApplication.run(TestcontainersPostgresDemoApplication.class, args);
+  }
 }

src/main/java/de/rpr/testcontainerspostgresdemo/entity/MyEntity.java

@@ -0,0 +1,20 @@
+package de.rpr.testcontainerspostgresdemo.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class MyEntity {
+
+  @Id
+  @GeneratedValue
+  private Long id;
+}

src/main/java/de/rpr/testcontainerspostgresdemo/repository/MyEntityRepository.java

@@ -0,0 +1,9 @@
+package de.rpr.testcontainerspostgresdemo.repository;
+
+import de.rpr.testcontainerspostgresdemo.entity.MyEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface MyEntityRepository extends JpaRepository<MyEntity, Long> {
+}

src/main/resources/application.properties

@@ -0,0 +1 @@
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQL94Dialect

src/main/resources/logback.xml

@@ -0,0 +1,16 @@
+<configuration>
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <encoder>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
+    </encoder>
+  </appender>
+
+  <root level="info">
+    <appender-ref ref="STDOUT"/>
+  </root>
+
+  <logger name="org.testcontainers" level="INFO"/>
+  <logger name="org.apache.http" level="WARN"/>
+  <logger name="com.github.dockerjava" level="WARN"/>
+  <logger name="org.zeroturnaround.exec" level="WARN"/>
+</configuration>

src/test/java/de/rpr/testcontainerspostgresdemo/repository/MyEntityRepositoryTest.java

@@ -0,0 +1,45 @@
+package de.rpr.testcontainerspostgresdemo.repository;
+
+import de.rpr.testcontainerspostgresdemo.TestcontainersPostgresDemoApplication;
+import de.rpr.testcontainerspostgresdemo.entity.MyEntity;
+import org.junit.ClassRule;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.boot.test.context.TestComponent;
+import org.springframework.context.ApplicationContext;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.testcontainers.containers.PostgreSQLContainer;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@ContextConfiguration(classes = TestcontainersPostgresDemoApplication.class)
+@DataJpaTest
+@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
+public class MyEntityRepositoryTest {
+
+  @Autowired
+  ApplicationContext applicationContext;
+  @Autowired
+  MyEntityRepository repository;
+
+  @ClassRule
+  public static PostgreSQLContainer postgres = new PostgreSQLContainer();
+
+  @Test
+  public void should_load_context() {
+    assertThat(applicationContext).isNotNull();
+  }
+
+  @Test
+  public void persisted_entity_should_be_loadable() {
+    repository.save(new MyEntity(1L));
+    assertThat(repository.findOne(1L)).isNotNull();
+  }
+}

src/test/resources/application.properties

@@ -0,0 +1,6 @@
+spring.datasource.driver-class-name=org.testcontainers.jdbc.ContainerDatabaseDriver
+spring.datasource.url=jdbc:tc:postgresql:9.4.15://localhost:5432/test
+spring.datasource.username=test
+spring.datasource.password=test
+
+spring.jpa.hibernate.ddl-auto = create