Bumping k8s dependencies to 1.13

vendor/k8s.io/kubernetes/pkg/kubelet/certificate/kubelet_test.go

@@ -0,0 +1,101 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package certificate
+
+import (
+	"net"
+	"reflect"
+	"testing"
+
+	"k8s.io/api/core/v1"
+)
+
+func TestAddressesToHostnamesAndIPs(t *testing.T) {
+	tests := []struct {
+		name         string
+		addresses    []v1.NodeAddress
+		wantDNSNames []string
+		wantIPs      []net.IP
+	}{
+		{
+			name:         "empty",
+			addresses:    nil,
+			wantDNSNames: nil,
+			wantIPs:      nil,
+		},
+		{
+			name:         "ignore empty values",
+			addresses:    []v1.NodeAddress{{Type: v1.NodeHostName, Address: ""}},
+			wantDNSNames: nil,
+			wantIPs:      nil,
+		},
+		{
+			name: "ignore invalid IPs",
+			addresses: []v1.NodeAddress{
+				{Type: v1.NodeInternalIP, Address: "1.2"},
+				{Type: v1.NodeExternalIP, Address: "3.4"},
+			},
+			wantDNSNames: nil,
+			wantIPs:      nil,
+		},
+		{
+			name: "dedupe values",
+			addresses: []v1.NodeAddress{
+				{Type: v1.NodeHostName, Address: "hostname"},
+				{Type: v1.NodeExternalDNS, Address: "hostname"},
+				{Type: v1.NodeInternalDNS, Address: "hostname"},
+				{Type: v1.NodeInternalIP, Address: "1.1.1.1"},
+				{Type: v1.NodeExternalIP, Address: "1.1.1.1"},
+			},
+			wantDNSNames: []string{"hostname"},
+			wantIPs:      []net.IP{net.ParseIP("1.1.1.1")},
+		},
+		{
+			name: "order values",
+			addresses: []v1.NodeAddress{
+				{Type: v1.NodeHostName, Address: "hostname-2"},
+				{Type: v1.NodeExternalDNS, Address: "hostname-1"},
+				{Type: v1.NodeInternalDNS, Address: "hostname-3"},
+				{Type: v1.NodeInternalIP, Address: "2.2.2.2"},
+				{Type: v1.NodeExternalIP, Address: "1.1.1.1"},
+				{Type: v1.NodeInternalIP, Address: "3.3.3.3"},
+			},
+			wantDNSNames: []string{"hostname-1", "hostname-2", "hostname-3"},
+			wantIPs:      []net.IP{net.ParseIP("1.1.1.1"), net.ParseIP("2.2.2.2"), net.ParseIP("3.3.3.3")},
+		},
+		{
+			name: "handle IP and DNS hostnames",
+			addresses: []v1.NodeAddress{
+				{Type: v1.NodeHostName, Address: "hostname"},
+				{Type: v1.NodeHostName, Address: "1.1.1.1"},
+			},
+			wantDNSNames: []string{"hostname"},
+			wantIPs:      []net.IP{net.ParseIP("1.1.1.1")},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotDNSNames, gotIPs := addressesToHostnamesAndIPs(tt.addresses)
+			if !reflect.DeepEqual(gotDNSNames, tt.wantDNSNames) {
+				t.Errorf("addressesToHostnamesAndIPs() gotDNSNames = %v, want %v", gotDNSNames, tt.wantDNSNames)
+			}
+			if !reflect.DeepEqual(gotIPs, tt.wantIPs) {
+				t.Errorf("addressesToHostnamesAndIPs() gotIPs = %v, want %v", gotIPs, tt.wantIPs)
+			}
+		})
+	}
+}