/* Copyright 2018 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 converter import ( "net/http" "net/http/httptest" "strings" "testing" "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1" "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" "k8s.io/apimachinery/pkg/runtime" "k8s.io/apimachinery/pkg/runtime/serializer/json" ) func TestConverter(t *testing.T) { sampleObj := `kind: ConversionReview apiVersion: apiextensions.k8s.io/v1beta1 request: uid: 0000-0000-0000-0000 desiredAPIVersion: stable.example.com/v2 objects: - apiVersion: stable.example.com/v1 kind: CronTab metadata: name: my-new-cron-object spec: cronSpec: "* * * * */5" image: my-awesome-cron-image hostPort: "localhost:7070" ` // First try json, it should fail as the data is taml response := httptest.NewRecorder() request, err := http.NewRequest("POST", "/convert", strings.NewReader(sampleObj)) if err != nil { t.Fatal(err) } request.Header.Add("Content-Type", "application/json") ServeExampleConvert(response, request) convertReview := v1beta1.ConversionReview{} scheme := runtime.NewScheme() jsonSerializer := json.NewSerializer(json.DefaultMetaFactory, scheme, scheme, false) if _, _, err := jsonSerializer.Decode(response.Body.Bytes(), nil, &convertReview); err != nil { t.Fatal(err) } if convertReview.Response.Result.Status != v1.StatusFailure { t.Fatalf("expected the operation to fail when yaml is provided with json header") } else if !strings.Contains(convertReview.Response.Result.Message, "json parse error") { t.Fatalf("expected to fail on json parser, but it failed with: %v", convertReview.Response.Result.Message) } // Now try yaml, and it should successfully convert response = httptest.NewRecorder() request, err = http.NewRequest("POST", "/convert", strings.NewReader(sampleObj)) if err != nil { t.Fatal(err) } request.Header.Add("Content-Type", "application/yaml") ServeExampleConvert(response, request) convertReview = v1beta1.ConversionReview{} yamlSerializer := json.NewYAMLSerializer(json.DefaultMetaFactory, scheme, scheme) if _, _, err := yamlSerializer.Decode(response.Body.Bytes(), nil, &convertReview); err != nil { t.Fatalf("cannot decode data: \n %v\n Error: %v", response.Body, err) } if convertReview.Response.Result.Status != v1.StatusSuccess { t.Fatalf("cr conversion failed: %v", convertReview.Response) } convertedObj := unstructured.Unstructured{} if _, _, err := yamlSerializer.Decode(convertReview.Response.ConvertedObjects[0].Raw, nil, &convertedObj); err != nil { t.Fatal(err) } if e, a := "stable.example.com/v2", convertedObj.GetAPIVersion(); e != a { t.Errorf("expected= %v, actual= %v", e, a) } if e, a := "localhost", convertedObj.Object["host"]; e != a { t.Errorf("expected= %v, actual= %v", e, a) } if e, a := "7070", convertedObj.Object["port"]; e != a { t.Errorf("expected= %v, actual= %v", e, a) } }