Migrate junit4 to junit5

Author: heowc

SpringBootDynamo/build.gradle

@@ -27,6 +27,6 @@ repositories {
 dependencies {
 	compile('com.amazonaws:aws-java-sdk-dynamodb:1.11.515')
 	compile('org.springframework.boot:spring-boot-starter-web')
-	testCompile('org.testcontainers:testcontainers:1.12.0')
 	testCompile('org.springframework.boot:spring-boot-starter-test')
+	testCompile('org.testcontainers:junit-jupiter:1.12.3')
 }

SpringBootDynamo/src/test/java/com/example/AbstractIntegrationTest.java

@@ -1,36 +1,25 @@
 package com.example;
 
-import org.junit.ClassRule;
-import org.junit.runner.RunWith;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.util.TestPropertyValues;
-import org.springframework.context.ApplicationContextInitializer;
-import org.springframework.context.ConfigurableApplicationContext;
-import org.springframework.test.context.ContextConfiguration;
-import org.springframework.test.context.junit4.SpringRunner;
 import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.junit.jupiter.Testcontainers;
 
-@RunWith(SpringRunner.class)
 @SpringBootTest
-@ContextConfiguration(initializers = AbstractIntegrationTest.Initializer.class)
+@Testcontainers(disabledWithoutDocker = true)
 public abstract class AbstractIntegrationTest {
 
     private static final String DOCKER_IMAGE = "amazon/dynamodb-local";
     private static final String DOCKER_TAG = "latest";
     private static final int EXPOSED_PORT = 8000;
 
-    @ClassRule
-    public static GenericContainer dynamodb =
-            new GenericContainer(String.format("%s:%s", DOCKER_IMAGE, DOCKER_TAG)).withExposedPorts(EXPOSED_PORT);
+    static {
+        GenericContainer dynamodb =
+                new GenericContainer(String.format("%s:%s", DOCKER_IMAGE, DOCKER_TAG)).withExposedPorts(EXPOSED_PORT);
+        dynamodb.start();
 
-    public static class Initializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {
-        @Override
-        public void initialize(ConfigurableApplicationContext configurableApplicationContext) {
-            String endpoint = String.format("aws.dynamo.endpoint=http://%s:%s",
-                    dynamodb.getContainerIpAddress(),
-                    dynamodb.getMappedPort(EXPOSED_PORT));
-
-            TestPropertyValues.of(endpoint).applyTo(configurableApplicationContext);
-        }
+        final String endpoint = String.format("http://%s:%s",
+                dynamodb.getContainerIpAddress(),
+                dynamodb.getMappedPort(EXPOSED_PORT));
+        System.setProperty("aws.dynamo.endpoint", endpoint);
     }
 }

SpringBootDynamo/src/test/java/com/example/SpringBootDynamoApplicationTests.java

@@ -2,9 +2,9 @@
 
 import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
 import com.amazonaws.services.dynamodbv2.model.*;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+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 java.util.Arrays;
@@ -20,7 +20,7 @@ public class SpringBootDynamoApplicationTests extends AbstractIntegrationTest {
     @Autowired
     private AmazonDynamoDB dynamoDB;
 
-    @Before
+    @BeforeEach
     public void setup() {
         dynamoDB.createTable(new CreateTableRequest()
                 .withTableName(TABLE_NAME)
@@ -141,7 +141,7 @@ public void setup() {
     }
 
 
-    @After
+    @AfterEach
     public void clear() {
         dynamoDB.deleteTable("test");
     }