fix: fix demo-redis module build error, add README.md

demo-redis/README.md

@@ -0,0 +1,8 @@
+## Demo-Redis
+
+### Reference
+* [redis](https://redis.io/)
+  * [redis commands](https://redis.io/commands)
+* [spring-data-redis](https://docs.spring.io/spring-data/redis/reference/index.html)
+* [testcontainers](https://www.testcontainers.org/modules/redis/)
+  * [testcontainers-java](https://github.com/testcontainers/testcontainers-java/tree/main/examples/spring-boot)

demo-redis/pom.xml

@@ -24,23 +24,12 @@
             <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>org.testcontainers</groupId>
             <artifactId>testcontainers</artifactId>
             <version>${testcontainers.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.testcontainers</groupId>
-            <artifactId>junit-jupiter</artifactId>
-            <version>${testcontainers.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>

demo-redis/src/test/java/com/helltractor/demo/AbstractIntegrationTest.java

@@ -0,0 +1,24 @@
+package com.helltractor.demo;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.utility.DockerImageName;
+
+@SpringBootTest(classes = RedisApplication.class)
+@ActiveProfiles("test")
+abstract class AbstractIntegrationTest {
+
+    static GenericContainer<?> redis = new GenericContainer<>(DockerImageName.parse("redis:latest"))
+            .withExposedPorts(6379);
+
+    @DynamicPropertySource
+    static void redisProperties(DynamicPropertyRegistry registry) {
+        redis.start();
+        registry.add("spring.redis.host", redis::getHost);
+        registry.add("spring.redis.port", redis::getFirstMappedPort);
+    }
+
+}

demo-redis/src/test/java/com/helltractor/demo/RedisCommandTest.java

@@ -1,48 +1,23 @@
 package com.helltractor.demo;
 
-import com.helltractor.demo.config.RedisConfiguration;
-
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.data.redis.core.*;
-import org.springframework.test.annotation.DirtiesContext;
-import org.springframework.test.context.ContextConfiguration;
-import org.testcontainers.containers.GenericContainer;
-import org.testcontainers.junit.jupiter.Testcontainers;
-import org.testcontainers.junit.jupiter.Container;
 
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
 import static org.junit.jupiter.api.Assertions.*;
 
-@SpringBootTest
-@ContextConfiguration(classes = {RedisConfiguration.class})
-@Testcontainers
-@DirtiesContext
-class RedisCommandTest {
-
-    final Logger logger = LoggerFactory.getLogger(RedisCommandTest.class);
-
-    @Value("${spring.data.redis.port}")
-    static int port;
-
-    @Container
-    static final GenericContainer redis = new GenericContainer("redis:latest")
-            .withExposedPorts(port);
-
+class RedisCommandTest extends AbstractIntegrationTest {
+
     @Autowired
     RedisTemplate redisTemplate;
 
     @BeforeEach
     void setUp() {
-        logger.debug("RedisTemplate: {}", redisTemplate);
         // clear redis history data
         redisTemplate.getConnectionFactory().getConnection().flushAll();
     }