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209 changes: 209 additions & 0 deletions
209
pkg/webhook/servicecatalog/clusterservicebroker/mutation/handler_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,209 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes 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. | ||
| */ | ||
|
|
||
| package mutation_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "net/http" | ||
| "testing" | ||
|
|
||
| "github.com/appscode/jsonpatch" | ||
| sc "github.com/kubernetes-incubator/service-catalog/pkg/apis/servicecatalog/v1beta1" | ||
| "github.com/kubernetes-incubator/service-catalog/pkg/webhook/servicecatalog/clusterservicebroker/mutation" | ||
| "github.com/kubernetes-incubator/service-catalog/pkg/webhookutil/tester" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| admissionv1beta1 "k8s.io/api/admission/v1beta1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/client-go/kubernetes/scheme" | ||
| "sigs.k8s.io/controller-runtime/pkg/webhook/admission" | ||
| ) | ||
|
|
||
| func TestCreateUpdateHandlerHandleCreateSuccess(t *testing.T) { | ||
| tests := map[string]struct { | ||
| givenRawObj []byte | ||
|
|
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| expPatches []jsonpatch.Operation | ||
| }{ | ||
| "Should set all default fields": { | ||
| givenRawObj: []byte(`{ | ||
| "apiVersion": "servicecatalog.k8s.io/v1beta1", | ||
| "kind": "ClusterServiceBroker", | ||
| "metadata": { | ||
| "creationTimestamp": null, | ||
| "name": "test-broker" | ||
| }, | ||
| "spec": { | ||
| "relistRequests": 1, | ||
| "url": "http://localhost:8081/" | ||
| } | ||
| }`), | ||
| expPatches: []jsonpatch.Operation{ | ||
| { | ||
| Operation: "add", | ||
| Path: "/metadata/finalizers", | ||
| Value: []interface{}{ | ||
| "kubernetes-incubator/service-catalog", | ||
| }, | ||
| }, | ||
| { | ||
| Operation: "add", | ||
| Path: "/spec/relistBehavior", | ||
| Value: "Duration", | ||
| }, | ||
| }, | ||
| }, | ||
| "Should omit relistBehavior if it's already set": { | ||
| givenRawObj: []byte(`{ | ||
| "apiVersion": "servicecatalog.k8s.io/v1beta1", | ||
| "kind": "ClusterServiceBroker", | ||
| "metadata": { | ||
| "creationTimestamp": null, | ||
| "name": "test-broker" | ||
| }, | ||
| "spec": { | ||
| "relistRequests": 1, | ||
| "relistBehavior": "Manual", | ||
| "url": "http://localhost:8081/" | ||
| } | ||
| }`), | ||
| expPatches: []jsonpatch.Operation{ | ||
| { | ||
| Operation: "add", | ||
| Path: "/metadata/finalizers", | ||
| Value: []interface{}{ | ||
| "kubernetes-incubator/service-catalog", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| for tn, tc := range tests { | ||
| t.Run(tn, func(t *testing.T) { | ||
| // given | ||
| sc.AddToScheme(scheme.Scheme) | ||
| decoder, err := admission.NewDecoder(scheme.Scheme) | ||
| require.NoError(t, err) | ||
|
|
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| fixReq := admission.Request{ | ||
| AdmissionRequest: admissionv1beta1.AdmissionRequest{ | ||
| Operation: admissionv1beta1.Create, | ||
| Name: "test-broker", | ||
| Namespace: "system", | ||
| Kind: metav1.GroupVersionKind{ | ||
| Kind: "ClusterServiceBroker", | ||
| Version: "v1beta1", | ||
| Group: "servicecatalog.k8s.io", | ||
| }, | ||
| Object: runtime.RawExtension{Raw: tc.givenRawObj}, | ||
| }, | ||
| } | ||
|
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| handler := mutation.CreateUpdateHandler{} | ||
| handler.InjectDecoder(decoder) | ||
|
|
||
| // when | ||
| resp := handler.Handle(context.Background(), fixReq) | ||
|
|
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| // then | ||
| assert.True(t, resp.Allowed) | ||
| require.NotNil(t, resp.PatchType) | ||
| assert.Equal(t, admissionv1beta1.PatchTypeJSONPatch, *resp.PatchType) | ||
|
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| // filtering out status cause k8s api-server will discard this too | ||
| patches := tester.FilterOutStatusPatch(resp.Patches) | ||
|
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| require.Len(t, patches, len(tc.expPatches)) | ||
| for _, expPatch := range tc.expPatches { | ||
| assert.Contains(t, patches, expPatch) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
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| func TestCreateUpdateHandlerHandleReturnErrorIfGVKMismatch(t *testing.T) { | ||
| // given | ||
| sc.AddToScheme(scheme.Scheme) | ||
| decoder, err := admission.NewDecoder(scheme.Scheme) | ||
| require.NoError(t, err) | ||
|
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| fixReq := admission.Request{ | ||
| AdmissionRequest: admissionv1beta1.AdmissionRequest{ | ||
| Operation: admissionv1beta1.Create, | ||
| Name: "test-broker", | ||
| Namespace: "system", | ||
| Kind: metav1.GroupVersionKind{ | ||
| Kind: "ClusterServiceClass", | ||
| Version: "v1beta1", | ||
| Group: "servicecatalog.k8s.io", | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| expReqResult := &metav1.Status{ | ||
| Code: http.StatusBadRequest, | ||
| Message: "type mismatch: want: servicecatalog.k8s.io/v1beta1, Kind=ClusterServiceBroker got: servicecatalog.k8s.io/v1beta1, Kind=ClusterServiceClass", | ||
| } | ||
|
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| handler := mutation.CreateUpdateHandler{} | ||
| handler.InjectDecoder(decoder) | ||
|
|
||
| // when | ||
| resp := handler.Handle(context.Background(), fixReq) | ||
|
|
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| // then | ||
| assert.False(t, resp.Allowed) | ||
| assert.Equal(t, expReqResult, resp.Result) | ||
| } | ||
|
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| func TestCreateUpdateHandlerHandleReturnErrorIfReqObjIsMalformed(t *testing.T) { | ||
| // given | ||
| sc.AddToScheme(scheme.Scheme) | ||
| decoder, err := admission.NewDecoder(scheme.Scheme) | ||
| require.NoError(t, err) | ||
|
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| fixReq := admission.Request{ | ||
| AdmissionRequest: admissionv1beta1.AdmissionRequest{ | ||
| Operation: admissionv1beta1.Create, | ||
| Name: "test-broker", | ||
| Namespace: "system", | ||
| Kind: metav1.GroupVersionKind{ | ||
| Kind: "ClusterServiceBroker", | ||
| Version: "v1beta1", | ||
| Group: "servicecatalog.k8s.io", | ||
| }, | ||
| Object: runtime.RawExtension{Raw: []byte("{malformed: JSON,,")}, | ||
| }, | ||
| } | ||
|
|
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| expReqResult := &metav1.Status{ | ||
| Code: http.StatusBadRequest, | ||
| Message: "couldn't get version/kind; json parse error: invalid character 'm' looking for beginning of object key string", | ||
| } | ||
|
|
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| handler := mutation.CreateUpdateHandler{} | ||
| handler.InjectDecoder(decoder) | ||
|
|
||
| // when | ||
| resp := handler.Handle(context.Background(), fixReq) | ||
|
|
||
| // then | ||
| assert.False(t, resp.Allowed) | ||
| assert.Equal(t, expReqResult, resp.Result) | ||
| } |
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