Using testcontainers dev mode for junits (#1100)

.github/workflows/boot-data-redis.yml

@@ -17,7 +17,9 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-
+    defaults:
+      run:
+        working-directory: "boot-data-redis"
     steps:
     - uses: actions/checkout@v3
       with:
@@ -27,13 +29,6 @@ jobs:
       with:
         java-version: '17'
         distribution: 'temurin'
-        cache: 'maven'
-    - name: Start up databases via Docker Compose 
-      run: |
-        docker-compose up -d redis
-        sleep 5
-        docker ps -a   
+        cache: 'maven' 
     - name: Build with Maven
-      run: |
-        cd boot-data-redis
-        mvn -B package --file pom.xml
+      run: ./mvnw -B package --file pom.xml

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.compile.nullAnalysis.mode": "automatic"
+}

boot-data-redis/pom.xml

@@ -40,11 +40,21 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-testcontainers</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>io.projectreactor</groupId>
             <artifactId>reactor-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

boot-data-redis/src/test/java/com/example/demo/DemoApplicationTests.java

@@ -6,9 +6,11 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Import;
 import org.springframework.test.web.reactive.server.WebTestClient;
 
 @SpringBootTest
+@Import(TestDemoApplication.class)
 public class DemoApplicationTests {
 
   @Autowired

boot-data-redis/src/test/java/com/example/demo/TestDemoApplication.java

@@ -0,0 +1,26 @@
+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.context.annotation.Bean;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.utility.DockerImageName;
+
+@TestConfiguration(proxyBeanMethods = false)
+public class TestDemoApplication {
+
+    @Bean
+    @ServiceConnection(name = "redis")
+    GenericContainer<?> redisContainer() {
+        return new GenericContainer<>(DockerImageName.parse("redis").withTag("7.0.11"))
+                .withExposedPorts(6379);
+    }
+
+    public static void main(String[] args) {
+        SpringApplication.from(DemoApplication::main)
+                .with(TestDemoApplication.class)
+                .run(args);
+    }
+
+}