126 lines
3.2 KiB
Go
126 lines
3.2 KiB
Go
/*
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Copyright 2020 The cert-manager 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 handlers
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import (
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"context"
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"encoding/json"
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"reflect"
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"testing"
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"gomodules.xyz/jsonpatch/v2"
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admissionv1 "k8s.io/api/admission/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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"k8s.io/apimachinery/pkg/types"
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"k8s.io/klog/v2/klogr"
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"k8s.io/utils/diff"
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"github.com/jetstack/cert-manager/internal/api/mutation"
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"github.com/jetstack/cert-manager/pkg/webhook/handlers/testdata/apis/testgroup/install"
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)
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var (
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jsonPatchType = admissionv1.PatchTypeJSONPatch
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)
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func responseForOperations(ops ...jsonpatch.JsonPatchOperation) []byte {
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b, err := json.Marshal(ops)
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if err != nil {
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// this shouldn't ever be reached
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panic("failed to encode JSON test data")
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}
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return b
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}
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func TestDefaultCertificate(t *testing.T) {
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scheme := runtime.NewScheme()
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registry := mutation.NewRegistry(scheme)
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install.Install(scheme)
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log := klogr.New()
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c := NewRegistryBackedMutator(log, scheme, registry)
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tests := map[string]admissionTestT{
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"apply defaults to TestType": {
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inputRequest: admissionv1.AdmissionRequest{
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UID: types.UID("abc"),
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Operation: admissionv1.Create,
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RequestKind: &metav1.GroupVersionKind{
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Group: "testgroup.testing.cert-manager.io",
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Version: "v1",
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Kind: "TestType",
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},
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Object: runtime.RawExtension{
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Raw: []byte(`
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{
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"apiVersion": "testgroup.testing.cert-manager.io/v1",
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"kind": "TestType",
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"metadata": {
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"name": "testing",
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"namespace": "abc",
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"creationTimestamp": null
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}
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}
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`),
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},
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},
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expectedResponse: admissionv1.AdmissionResponse{
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UID: types.UID("abc"),
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Allowed: true,
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Patch: responseForOperations(
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jsonpatch.JsonPatchOperation{
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Operation: "add",
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Path: "/testField",
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Value: "",
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},
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jsonpatch.JsonPatchOperation{
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Operation: "add",
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Path: "/testFieldImmutable",
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Value: "",
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},
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jsonpatch.JsonPatchOperation{
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Operation: "add",
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Path: "/testFieldPtr",
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Value: `teststr`,
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},
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),
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PatchType: &jsonPatchType,
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},
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},
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}
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for n, test := range tests {
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t.Run(n, func(t *testing.T) {
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runAdmissionTest(t, c.Mutate, test)
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})
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}
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}
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type admissionTestT struct {
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inputRequest admissionv1.AdmissionRequest
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expectedResponse admissionv1.AdmissionResponse
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}
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type admissionFn func(ctx context.Context, request *admissionv1.AdmissionRequest) *admissionv1.AdmissionResponse
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func runAdmissionTest(t *testing.T, fn admissionFn, test admissionTestT) {
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resp := fn(context.TODO(), &test.inputRequest)
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if !reflect.DeepEqual(&test.expectedResponse, resp) {
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t.Errorf("Response was not as expected: %v", diff.ObjectGoPrintSideBySide(&test.expectedResponse, resp))
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}
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}
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