1 files changed, 39 insertions, 0 deletions
diff --git a/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/wireguard/WireguardPeerTest.java b/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/wireguard/WireguardPeerTest.java
new file mode 100644
index 00000000000..7ac47aad1fa
--- /dev/null
+++ b/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/wireguard/WireguardPeerTest.java
@@ -0,0 +1,39 @@
+// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.hosted.node.admin.wireguard;
+
+import com.yahoo.config.provision.HostName;
+import com.yahoo.config.provision.WireguardKey;
+import com.yahoo.config.provision.WireguardKeyWithTimestamp;
+import com.yahoo.vespa.hosted.node.admin.task.util.network.VersionedIpAddress;
+import org.junit.jupiter.api.Test;
+
+import java.time.Instant;
+import java.util.List;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author gjoranv
+ */
+public class WireguardPeerTest {
+
+    @Test
+    void peers_are_sorted_by_hostname_ascending() {
+        List<WireguardPeer> peers = Stream.of(
+                peer("b"),
+                peer("a"),
+                peer("c")
+        ).sorted().toList();
+
+        assertEquals("a", peers.get(0).hostname().value());
+        assertEquals("b", peers.get(1).hostname().value());
+        assertEquals("c", peers.get(2).hostname().value());
+    }
+
+    private static WireguardPeer peer(String hostname) {
+        return new WireguardPeer(HostName.of(hostname), List.of(VersionedIpAddress.from("::1:1")),
+                                 new WireguardKeyWithTimestamp(WireguardKey.generateRandomForTesting(), Instant.EPOCH));
+    }
+
+}