update test of DaemonSet in readyChecker

Signed-off-by: jackyu <jackyu@yunify.com>

pkg/kube/ready_test.go

@@ -113,6 +113,13 @@ func Test_ReadyChecker_daemonSetReady(t *testing.T) {
 			},
 			want: true,
 		},
+		{
+			name: "daemonset is not ready when ObservedGeneration is 0",
+			args: args{
+				ds: newNotLoadDaemonSet("foo", 1, 1, 2, 2),
+			},
+			want: false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -384,10 +391,17 @@ func newDaemonSet(name string, maxUnavailable, numberReady, desiredNumberSchedul
 			DesiredNumberScheduled: int32(desiredNumberScheduled),
 			NumberReady:            int32(numberReady),
 			UpdatedNumberScheduled: int32(updatedNumberScheduled),
+			ObservedGeneration:     int64(1),
 		},
 	}
 }
 
+func newNotLoadDaemonSet(name string, maxUnavailable, numberReady, desiredNumberScheduled, updatedNumberScheduled int) *appsv1.DaemonSet {
+	ds := newDaemonSet(name, maxUnavailable, numberReady, desiredNumberScheduled, updatedNumberScheduled)
+	ds.Status.ObservedGeneration = 0
+	return ds
+}
+
 func newStatefulSet(name string, replicas, partition, readyReplicas, updatedReplicas int) *appsv1.StatefulSet {
 	return &appsv1.StatefulSet{
 		ObjectMeta: metav1.ObjectMeta{