105 lines
3.1 KiB
Go
105 lines
3.1 KiB
Go
/*
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Copyright 2021 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 resourcevalidation
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import (
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"context"
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"reflect"
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"testing"
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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/runtime/schema"
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"k8s.io/apimachinery/pkg/util/validation/field"
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)
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var (
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sampleSchemaGVR = schema.GroupVersionResource{
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Group: "sample-group",
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Version: "sample-version",
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Resource: "sample-resource",
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}
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sampleMetaGVR = metav1.GroupVersionResource{
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Group: sampleSchemaGVR.Group,
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Version: sampleSchemaGVR.Version,
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Resource: sampleSchemaGVR.Resource,
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}
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alwaysFailsCreateFunc = func(a *admissionv1.AdmissionRequest, obj runtime.Object) (field.ErrorList, []string) {
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panic("create function not expected to be called")
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}
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alwaysFailsUpdateFunc = func(a *admissionv1.AdmissionRequest, oldObj, obj runtime.Object) (field.ErrorList, []string) {
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panic("update function not expected to be called")
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}
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alwaysFailsValidationPair = validationPair{
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create: alwaysFailsCreateFunc,
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update: alwaysFailsUpdateFunc,
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}
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)
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func TestResourceValidation(t *testing.T) {
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tests := map[string]struct {
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mapping map[schema.GroupVersionResource]validationPair
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req admissionv1.AdmissionRequest
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oldObj, obj runtime.Object
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expectedWarnings []string
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expectedError error
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}{
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"should not perform any validation if no validation functions are registered": {
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mapping: map[schema.GroupVersionResource]validationPair{},
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req: admissionv1.AdmissionRequest{
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Operation: admissionv1.Create,
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RequestResource: &sampleMetaGVR,
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},
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},
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"does nothing for non-create or update operations": {
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mapping: map[schema.GroupVersionResource]validationPair{
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sampleSchemaGVR: alwaysFailsValidationPair,
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},
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req: admissionv1.AdmissionRequest{
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Operation: admissionv1.Connect,
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RequestResource: &sampleMetaGVR,
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},
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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p := NewPlugin().(*resourceValidation)
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p.validationMappings = test.mapping
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warnings, err := p.Validate(context.Background(), test.req, test.oldObj, test.obj)
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compareErrors(t, test.expectedError, err)
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if !reflect.DeepEqual(test.expectedWarnings, warnings) {
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t.Errorf("unexpected warnings. exp=%v, got=%v", test.expectedWarnings, warnings)
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}
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})
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}
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}
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func compareErrors(t *testing.T, exp, act error) {
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if exp == nil && act == nil {
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return
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}
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if exp == nil && act != nil ||
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exp != nil && act == nil ||
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exp.Error() != act.Error() {
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t.Errorf("error not as expected. exp=%v, act=%v", exp, act)
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}
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}
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