update tests and discovery

pkg/discovery/discovery_mock.go

@@ -2,9 +2,8 @@ package discovery
 
 import (
 	"context"
+	"slices"
 	"sync"
-
-	"k8s.io/apimachinery/pkg/watch"
 )
 
 // MockDiscovery is an in-memory Discovery implementation for tests.
@@ -56,14 +55,12 @@ func (m *MockDiscovery) AddHost(host string) {
 	if m.closed {
 		return
 	}
-	for _, h := range m.hosts {
-		if h == host {
-			return
-		}
+	if slices.Contains(m.hosts, host) {
+		return
 	}
 	m.hosts = append(m.hosts, host)
 	if m.started {
-		m.events <- HostChange{Host: host, Type: watch.Added}
+		m.events <- HostChange{Host: host, IsReady: true}
 	}
 }
 
@@ -86,7 +83,7 @@ func (m *MockDiscovery) RemoveHost(host string) {
 	}
 	m.hosts = append(m.hosts[:idx], m.hosts[idx+1:]...)
 	if m.started {
-		m.events <- HostChange{Host: host, Type: watch.Deleted}
+		m.events <- HostChange{Host: host, IsReady: false}
 	}
 }