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Merge pull request #5499 from mohamedawnallah/unitTestResourceDeletio…
…nProtectionWebhook pkg/webhook: unit test resource deletion protection
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pkg/webhook/resourcedeletionprotection/validating_test.go
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/* | ||
Copyright 2024 The Karmada 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. | ||
*/ | ||
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package resourcedeletionprotection | ||
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import ( | ||
"context" | ||
"errors" | ||
"fmt" | ||
"net/http" | ||
"reflect" | ||
"testing" | ||
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admissionv1 "k8s.io/api/admission/v1" | ||
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
"k8s.io/apimachinery/pkg/runtime" | ||
"sigs.k8s.io/controller-runtime/pkg/webhook/admission" | ||
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workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2" | ||
) | ||
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type fakeValidationDecoder struct { | ||
err error | ||
obj runtime.Object | ||
} | ||
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// Decode mocks the Decode method of admission.Decoder. | ||
func (f *fakeValidationDecoder) Decode(_ admission.Request, obj runtime.Object) error { | ||
if f.err != nil { | ||
return f.err | ||
} | ||
if f.obj != nil { | ||
reflect.ValueOf(obj).Elem().Set(reflect.ValueOf(f.obj).Elem()) | ||
} | ||
return nil | ||
} | ||
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// DecodeRaw mocks the DecodeRaw method of admission.Decoder. | ||
func (f *fakeValidationDecoder) DecodeRaw(rawObj runtime.RawExtension, obj runtime.Object) error { | ||
if f.err != nil { | ||
return f.err | ||
} | ||
if rawObj.Object != nil { | ||
reflect.ValueOf(obj).Elem().Set(reflect.ValueOf(rawObj.Object).Elem()) | ||
} | ||
return nil | ||
} | ||
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func TestValidatingAdmission_Handle(t *testing.T) { | ||
tests := []struct { | ||
name string | ||
decoder admission.Decoder | ||
req admission.Request | ||
want admission.Response | ||
}{ | ||
{ | ||
name: "Handle_DecodeRawError_DeniesAdmission", | ||
decoder: &fakeValidationDecoder{ | ||
err: errors.New("decode error"), | ||
}, | ||
req: admission.Request{ | ||
AdmissionRequest: admissionv1.AdmissionRequest{ | ||
Operation: admissionv1.Delete, | ||
}, | ||
}, | ||
want: admission.Errored(http.StatusBadRequest, errors.New("decode error")), | ||
}, | ||
{ | ||
name: "Handle_DeleteWithProtectionLabel_DeniesAdmission", | ||
decoder: &fakeValidationDecoder{}, | ||
req: admission.Request{ | ||
AdmissionRequest: admissionv1.AdmissionRequest{ | ||
Operation: admissionv1.Delete, | ||
OldObject: runtime.RawExtension{ | ||
Object: &unstructured.Unstructured{ | ||
Object: map[string]interface{}{ | ||
"metadata": map[string]interface{}{ | ||
"labels": map[string]interface{}{ | ||
workv1alpha2.DeletionProtectionLabelKey: workv1alpha2.DeletionProtectionAlways, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
want: admission.Denied(fmt.Sprintf("This resource is protected, please make sure to remove the label: %s", workv1alpha2.DeletionProtectionLabelKey)), | ||
}, | ||
{ | ||
name: "Handle_DeleteWithoutLabel_AllowsAdmission", | ||
decoder: &fakeValidationDecoder{}, | ||
req: admission.Request{ | ||
AdmissionRequest: admissionv1.AdmissionRequest{ | ||
Operation: admissionv1.Delete, | ||
OldObject: runtime.RawExtension{ | ||
Object: &unstructured.Unstructured{ | ||
Object: map[string]interface{}{ | ||
"metadata": map[string]interface{}{ | ||
"labels": map[string]interface{}{}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
want: admission.Allowed(""), | ||
}, | ||
{ | ||
name: "Handle_DeleteWithDifferentLabel_AllowsAdmission", | ||
decoder: &fakeValidationDecoder{}, | ||
req: admission.Request{ | ||
AdmissionRequest: admissionv1.AdmissionRequest{ | ||
Operation: admissionv1.Delete, | ||
OldObject: runtime.RawExtension{ | ||
Object: &unstructured.Unstructured{ | ||
Object: map[string]interface{}{ | ||
"metadata": map[string]interface{}{ | ||
"labels": map[string]interface{}{ | ||
"some-other-label": "some-value", | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
want: admission.Allowed(""), | ||
}, | ||
{ | ||
name: "Handle_CreateOperation_AllowsAdmission", | ||
decoder: &fakeValidationDecoder{ | ||
err: errors.New("decode error"), | ||
}, | ||
req: admission.Request{ | ||
AdmissionRequest: admissionv1.AdmissionRequest{ | ||
Operation: admissionv1.Create, | ||
}, | ||
}, | ||
want: admission.Allowed(""), | ||
}, | ||
} | ||
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for _, tt := range tests { | ||
t.Run(tt.name, func(t *testing.T) { | ||
v := &ValidatingAdmission{ | ||
Decoder: tt.decoder, | ||
} | ||
got := v.Handle(context.Background(), tt.req) | ||
if !reflect.DeepEqual(got, tt.want) { | ||
t.Errorf("Handle() = %v, want %v", got, tt.want) | ||
} | ||
}) | ||
} | ||
} |