Add GetResourceName unit tests

resource/decoder_test.go

@@ -0,0 +1,228 @@
+// Copyright 2019 Cruise LLC
+//
+// 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
+//    https://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 ingress
+
+package resource
+
+import (
+	"testing"
+
+	corev1 "k8s.io/api/core/v1"
+)
+
+func TestGetResourceName(t *testing.T) {
+	tests := []struct {
+		name     string
+		json     string
+		wantName string
+	}{
+		{
+			name: "owner ref",
+			json: `
+			{
+				"kind": "Pod",
+				"apiVersion": "v1",
+				"metadata": {
+					"generateName": "istio-cni-node-",
+					"creationTimestamp": null,
+					"labels": {
+						"controller-revision-hash": "76db549475",
+						"k8s-app": "istio-cni-node",
+						"pod-template-generation": "1"
+					},
+					"annotations": {
+						"kubernetes.io/psp": "istio-cni-node",
+						"scheduler.alpha.kubernetes.io/critical-pod": "",
+						"seccomp.security.alpha.kubernetes.io/pod": "runtime/default",
+						"sidecar.istio.io/inject": "false"
+					},
+					"ownerReferences": [
+						{
+							"apiVersion": "apps/v1",
+							"kind": "DaemonSet",
+							"name": "istio-cni-node",
+							"uid": "d6c11e2a-c5eb-4569-bb77-8ee35a83b169",
+							"controller": true,
+							"blockOwnerDeletion": true
+						}
+					]
+				},
+				"spec": {
+					"volumes": [
+						{
+							"name": "cni-bin-dir",
+							"hostPath": {
+								"path": "/opt/cni/bin",
+								"type": ""
+							}
+						},
+						{
+							"name": "cni-net-dir",
+							"hostPath": {
+								"path": "/etc/cni/net.d",
+								"type": ""
+							}
+						},
+						{
+							"name": "istio-cni-token-s6fzj",
+							"secret": {
+								"secretName": "istio-cni-token-s6fzj"
+							}
+						}
+					],
+					"containers": [
+						{
+							"name": "install-cni",
+							"image": "registry-internal.elpenguino.net/library/istio-install-cni:1.3.3",
+							"command": [
+								"/install-cni.sh"
+							],
+							"env": [
+								{
+									"name": "CNI_NETWORK_CONFIG",
+									"valueFrom": {
+										"configMapKeyRef": {
+											"name": "istio-cni-config",
+											"key": "cni_network_config"
+										}
+									}
+								}
+							],
+							"resources": {},
+							"volumeMounts": [
+								{
+									"name": "cni-bin-dir",
+									"mountPath": "/host/opt/cni/bin"
+								},
+								{
+									"name": "cni-net-dir",
+									"mountPath": "/host/etc/cni/net.d"
+								},
+								{
+									"name": "istio-cni-token-s6fzj",
+									"readOnly": true,
+									"mountPath": "/var/run/secrets/kubernetes.io/serviceaccount"
+								}
+							],
+							"terminationMessagePath": "/dev/termination-log",
+							"terminationMessagePolicy": "File",
+							"imagePullPolicy": "IfNotPresent",
+							"securityContext": {
+								"capabilities": {
+									"drop": [
+										"ALL"
+									]
+								},
+								"allowPrivilegeEscalation": false
+							}
+						}
+					],
+					"restartPolicy": "Always",
+					"terminationGracePeriodSeconds": 5,
+					"dnsPolicy": "ClusterFirst",
+					"nodeSelector": {
+						"beta.kubernetes.io/os": "linux"
+					},
+					"serviceAccountName": "istio-cni",
+					"serviceAccount": "istio-cni",
+					"hostNetwork": true,
+					"securityContext": {},
+					"affinity": {
+						"nodeAffinity": {
+							"requiredDuringSchedulingIgnoredDuringExecution": {
+								"nodeSelectorTerms": [
+									{
+										"matchFields": [
+											{
+												"key": "metadata.name",
+												"operator": "In",
+												"values": [
+													"wn1.kube-cluster.local"
+												]
+											}
+										]
+									}
+								]
+							}
+						}
+					},
+					"schedulerName": "default-scheduler",
+					"tolerations": [
+						{
+							"operator": "Exists",
+							"effect": "NoSchedule"
+						},
+						{
+							"operator": "Exists",
+							"effect": "NoExecute"
+						},
+						{
+							"key": "CriticalAddonsOnly",
+							"operator": "Exists"
+						},
+						{
+							"key": "node.kubernetes.io/not-ready",
+							"operator": "Exists",
+							"effect": "NoExecute"
+						},
+						{
+							"key": "node.kubernetes.io/unreachable",
+							"operator": "Exists",
+							"effect": "NoExecute"
+						},
+						{
+							"key": "node.kubernetes.io/disk-pressure",
+							"operator": "Exists",
+							"effect": "NoSchedule"
+						},
+						{
+							"key": "node.kubernetes.io/memory-pressure",
+							"operator": "Exists",
+							"effect": "NoSchedule"
+						},
+						{
+							"key": "node.kubernetes.io/pid-pressure",
+							"operator": "Exists",
+							"effect": "NoSchedule"
+						},
+						{
+							"key": "node.kubernetes.io/unschedulable",
+							"operator": "Exists",
+							"effect": "NoSchedule"
+						},
+						{
+							"key": "node.kubernetes.io/network-unavailable",
+							"operator": "Exists",
+							"effect": "NoSchedule"
+						}
+					],
+					"priority": 0,
+					"enableServiceLinks": true
+				}
+			}
+			`,
+			wantName: "istio-cni-node",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			pod := corev1.Pod{}
+			err := decodeObject([]byte(tt.json), &pod)
+			if err != nil {
+				t.Error(err)
+				t.FailNow()
+			}
+			if gotName := GetResourceName(pod.ObjectMeta); gotName != tt.wantName {
+				t.Errorf("GetResourceName() = %v, want %v", gotName, tt.wantName)
+			}
+		})
+	}
+}