[UPDATE] EmbeddedRedisCOnfig

src/main/java/com/dsmpear/main/user_backend_v2/config/EmbeddedRedisConfig.java

@@ -3,28 +3,28 @@
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
+import org.springframework.util.StringUtils;
 import redis.embedded.RedisServer;
 
 import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
 
 @Configuration
 @Profile("test")
 public class EmbeddedRedisConfig {
 
-    private final RedisServer redisServer;
+    private RedisServer redisServer;
 
     @Value("${spring.redis.port}")
     int redisPort;
 
-    public EmbeddedRedisConfig() {
-        this.redisServer = RedisServer.builder()
-                .setting("maxheap 128M")
-                .build();
-    }
-
     @PostConstruct
-    public void runRedis() {
+    public void runRedis() throws IOException{
+        int port = isRedisRunning() ? findAvailablePort() : redisPort;
+        redisServer = new RedisServer(port);
         redisServer.start();
     }
 
@@ -34,4 +34,41 @@ public void stopRedis() {
             redisServer.stop();
     }
 
+    private boolean isRedisRunning() throws IOException {
+        return isRunning(executeGrepProcessCommand(redisPort));
+    }
+
+    public int findAvailablePort() throws IOException {
+
+        for (int port = 10000; port <= 65535; port++) {
+            Process process = executeGrepProcessCommand(port);
+            if (!isRunning(process)) {
+                return port;
+            }
+        }
+
+        throw new IllegalArgumentException("Not Found Available port: 10000 ~ 65535");
+    }
+
+    private Process executeGrepProcessCommand(int port) throws IOException {
+        String command = String.format("netstat -nat | grep LISTEN|grep %d", port);
+        String[] shell = {"/bin/sh", "-c", command};
+        return Runtime.getRuntime().exec(shell);
+    }
+
+    private boolean isRunning(Process process) {
+        String line;
+        StringBuilder pidInfo = new StringBuilder();
+
+        try (BufferedReader input = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+
+            while ((line = input.readLine()) != null) {
+                pidInfo.append(line);
+            }
+        } catch (Exception ignored) {
+        }
+
+        return !StringUtils.isEmpty(pidInfo.toString());
+    }
+
 }

src/test/java/com/dsmpear/main/user_backend_v2/EmailControllerTest.java

@@ -1,7 +1,5 @@
 package com.dsmpear.main.user_backend_v2;
 
-import com.dsmpear.main.user_backend_v2.config.EmbeddedRedisConfig;
-import com.dsmpear.main.user_backend_v2.entity.user.UserRepository;
 import com.dsmpear.main.user_backend_v2.entity.verifynumber.VerifyNumber;
 import com.dsmpear.main.user_backend_v2.entity.verifynumber.VerifyNumberRepository;
 import com.dsmpear.main.user_backend_v2.payload.request.EmailVerifyRequest;
@@ -14,9 +12,6 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.TestConfiguration;
-import org.springframework.context.annotation.DependsOn;
-import org.springframework.context.annotation.Import;
 import org.springframework.http.MediaType;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.junit.jupiter.SpringExtension;

src/test/resources/application-test.properties

@@ -20,7 +20,7 @@ spring.mail.password=""
 
 spring.redis.host=localhost
 spring.redis.database=0
-spring.redis.port=6379
+spring.redis.port=6380
 
 spring.config.activate.on-profile=test