feat: add test for FindFirstNodeIPAddress

Signed-off-by: gkjkn <[email protected]>

pkg/utils/node_test.go

@@ -0,0 +1,90 @@
+package utils
+
+import (
+	"testing"
+
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func TestFindFirstNodeIPAddress(t *testing.T) {
+	node := corev1.Node{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "test-node",
+		},
+		Status: corev1.NodeStatus{
+			Addresses: []corev1.NodeAddress{
+				{
+					Type:    corev1.NodeInternalIP,
+					Address: "192.168.0.1",
+				},
+				{
+					Type:    corev1.NodeExternalIP,
+					Address: "192.168.0.2",
+				},
+				{
+					Type:    corev1.NodeInternalDNS,
+					Address: "192.168.0.3",
+				},
+				{
+					Type:    corev1.NodeHostName,
+					Address: "192.168.0.4",
+				},
+				{
+					Type:    corev1.NodeExternalDNS,
+					Address: "192.168.0.5",
+				},
+			},
+		},
+	}
+
+	tests := []struct {
+		name            string
+		input           *corev1.Node
+		want            string
+		nodeAddressType corev1.NodeAddressType
+	}{
+		{
+			string(corev1.NodeInternalIP),
+			&node,
+			"192.168.0.1",
+			corev1.NodeInternalIP,
+		},
+		{
+			string(corev1.NodeExternalIP),
+			&node,
+			"192.168.0.2",
+			corev1.NodeExternalIP,
+		},
+		{
+			string(corev1.NodeInternalDNS),
+			&node,
+			"192.168.0.3",
+			corev1.NodeInternalDNS,
+		},
+		{
+			string(corev1.NodeHostName),
+			&node,
+			"192.168.0.4",
+			corev1.NodeHostName,
+		},
+		{
+			string(corev1.NodeExternalDNS),
+			&node,
+			"192.168.0.5",
+			corev1.NodeExternalDNS,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ip, err := FindFirstNodeIPAddress(*tt.input, tt.nodeAddressType)
+			if err != nil {
+				t.Fatalf("%s, %s, %s", tt.name, tt.input, err)
+			}
+			if ip != tt.want {
+				t.Fatalf("%s, %s, %s, %s", tt.name, tt.input, ip, tt.want)
+			}
+		})
+	}
+}