Add tests

pkg/kubelet/server/auth_test.go

@@ -124,6 +124,7 @@ func AuthzTestCases() []AuthzTestCase {
 		"/logs/":                              "log",
 		"/logs/{logpath:*}":                   "log",
 		"/metrics":                            "metrics",
+		"/metrics/slis":                       "metrics",
 		"/metrics/cadvisor":                   "metrics",
 		"/metrics/probes":                     "metrics",
 		"/metrics/resource":                   "metrics",

pkg/kubelet/server/server_test.go

@@ -1528,3 +1528,19 @@ func TestTrimURLPath(t *testing.T) {
 		assert.Equal(t, test.expected, getURLRootPath(test.path), fmt.Sprintf("path is: %s", test.path))
 	}
 }
+
+func TestNewServerRegistersMetricsSLIsEndpointTwice(t *testing.T) {
+	host := &fakeKubelet{
+		hostnameFunc: func() string {
+			return "127.0.0.1"
+		},
+	}
+	resourceAnalyzer := stats.NewResourceAnalyzer(nil, time.Minute, &record.FakeRecorder{})
+
+	server1 := NewServer(host, resourceAnalyzer, nil, nil)
+	server2 := NewServer(host, resourceAnalyzer, nil, nil)
+
+	// Check if both servers registered the /metrics/slis endpoint
+	assert.Contains(t, server1.restfulCont.RegisteredHandlePaths(), "/metrics/slis", "First server should register /metrics/slis")
+	assert.Contains(t, server2.restfulCont.RegisteredHandlePaths(), "/metrics/slis", "Second server should register /metrics/slis")
+}