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c74790e266
`Framework` variable has been removed from test/* unwanted `[]byte` conversion has been removed import alias has been avoided Signed-off-by: Humble Chirammal <humble.devassy@gmail.com>
87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package webhook
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import (
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"encoding/json"
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"reflect"
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"testing"
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jsonpatch "github.com/evanphx/json-patch"
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"k8s.io/api/admission/v1"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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)
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func TestAddLabel(t *testing.T) {
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testCases := []struct {
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name string
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initialLabels map[string]string
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expectedLabels map[string]string
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}{
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{
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name: "add first label",
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initialLabels: nil,
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expectedLabels: map[string]string{"added-label": "yes"},
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},
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{
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name: "add second label",
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initialLabels: map[string]string{"other-label": "yes"},
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expectedLabels: map[string]string{"other-label": "yes", "added-label": "yes"},
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},
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{
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name: "idempotent update label",
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initialLabels: map[string]string{"added-label": "yes"},
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expectedLabels: map[string]string{"added-label": "yes"},
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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request := corev1.ConfigMap{ObjectMeta: metav1.ObjectMeta{Labels: tc.initialLabels}}
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raw, err := json.Marshal(request)
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if err != nil {
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t.Fatal(err)
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}
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review := v1.AdmissionReview{Request: &v1.AdmissionRequest{Object: runtime.RawExtension{Raw: raw}}}
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response := addLabel(review)
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if response.Patch != nil {
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patchObj, err := jsonpatch.DecodePatch(response.Patch)
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if err != nil {
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t.Fatal(err)
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}
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raw, err = patchObj.Apply(raw)
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if err != nil {
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t.Fatal(err)
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}
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}
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objType := reflect.TypeOf(request)
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objTest := reflect.New(objType).Interface()
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err = json.Unmarshal(raw, objTest)
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if err != nil {
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t.Fatal(err)
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}
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actual := objTest.(*corev1.ConfigMap)
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if !reflect.DeepEqual(actual.Labels, tc.expectedLabels) {
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t.Errorf("\nexpected %#v, got %#v, patch: %v", actual.Labels, tc.expectedLabels, string(response.Patch))
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}
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})
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}
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}
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