Checking if port is availaible otherwise not starting

Author: intisy

src/main/java/io/github/intisy/utils/custom/external/Redis.java

@@ -79,7 +79,7 @@ private int findFreePort() {
     }
 
     public void connect() throws IOException {
-        if (useEmbedded) {
+        if (useEmbedded && isPortAvailable(port) && isPortAvailable(port + 1)) {
             try {
                 startEmbeddedServer();
             } catch (IOException e) {

src/test/java/io/github/intisy/utils/custom/external/TestRedis.java

@@ -28,8 +28,7 @@ private static void testWithEmbeddedRedis() {
 
         try {
             System.out.println("Attempting to connect to embedded Redis server...");
-            if (redis.isPortAvailable(redis.getPort()))
-                redis.connect();
+            redis.connect();
 
             if (redis.isConnected()) {
                 System.out.println("Embedded Redis server is running");