From a4f6159f091324cdcd34d284a8bca40adb7474e1 Mon Sep 17 00:00:00 2001
From: Wouter Born <github@maindrain.net>
Date: Thu, 3 Nov 2022 22:16:07 +0100
Subject: [PATCH] [mercedesme] Fix unstable ConfigurationTest (#13650)

* Make sure IPv4 is used with default callback URL
* Use a more reasonable timeout

Fixes #13531

Signed-off-by: Wouter Born <github@maindrain.net>
---
 .../openhab/binding/mercedesme/internal/server/Utils.java    | 5 ++++-
 .../org/openhab/binding/mercedesme/ConfigurationTest.java    | 5 +++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/bundles/org.openhab.binding.mercedesme/src/main/java/org/openhab/binding/mercedesme/internal/server/Utils.java b/bundles/org.openhab.binding.mercedesme/src/main/java/org/openhab/binding/mercedesme/internal/server/Utils.java
index 0c98f72ac6..c9545dfde1 100644
--- a/bundles/org.openhab.binding.mercedesme/src/main/java/org/openhab/binding/mercedesme/internal/server/Utils.java
+++ b/bundles/org.openhab.binding.mercedesme/src/main/java/org/openhab/binding/mercedesme/internal/server/Utils.java
@@ -12,6 +12,7 @@
  */
 package org.openhab.binding.mercedesme.internal.server;
 
+import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
@@ -70,7 +71,9 @@ public class Utils {
                         for (Enumeration<InetAddress> addresses = iface.getInetAddresses(); addresses
                                 .hasMoreElements();) {
                             InetAddress address = addresses.nextElement();
-                            return address.getHostAddress();
+                            if (address instanceof Inet4Address) {
+                                return address.getHostAddress();
+                            }
                         }
                     }
                 }
diff --git a/bundles/org.openhab.binding.mercedesme/src/test/java/org/openhab/binding/mercedesme/ConfigurationTest.java b/bundles/org.openhab.binding.mercedesme/src/test/java/org/openhab/binding/mercedesme/ConfigurationTest.java
index d8361a7515..7271467068 100644
--- a/bundles/org.openhab.binding.mercedesme/src/test/java/org/openhab/binding/mercedesme/ConfigurationTest.java
+++ b/bundles/org.openhab.binding.mercedesme/src/test/java/org/openhab/binding/mercedesme/ConfigurationTest.java
@@ -62,10 +62,11 @@ class ConfigurationTest {
     @Test
     public void testCallbackUrl() throws SocketException {
         String ip = Utils.getCallbackIP();
+        String message = "IP " + ip + " not reachable";
         try {
-            assertTrue(InetAddress.getByName(ip).isReachable(10));
+            assertTrue(InetAddress.getByName(ip).isReachable(10000), message);
         } catch (IOException e) {
-            assertTrue(false, "IP " + ip + " not reachable");
+            fail(message);
         }
     }
 }
-- 
2.47.3