add webhook test

Signed-off-by: Ryan Zhang <yangzhangrice@hotmail.com>

pkg/oam/util/helper.go

@@ -272,10 +272,10 @@ func Object2Map(obj interface{}) (map[string]interface{}, error) {
 	return res, err
 }
 
-// DumpJSON returns the JSON encoding
-func DumpJSON(o interface{}) string {
+// JSONMarshal returns the JSON encoding
+func JSONMarshal(o interface{}) []byte {
 	j, _ := json.Marshal(o)
-	return string(j)
+	return j
 }
 
 // GenTraitName generate trait name

pkg/webhook/v1alpha2/component/component_suite_test.go

@@ -1,30 +1,86 @@
 package component_test
 
 import (
+	"os"
 	"testing"
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
+
 	crdv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
 
 	"github.com/crossplane/oam-kubernetes-runtime/apis/core"
 )
 
 var scheme = runtime.NewScheme()
+var crd crdv1.CustomResourceDefinition
+var reqResource metav1.GroupVersionResource
+var decoder *admission.Decoder
 
-func TestMetrics(t *testing.T) {
+func TestComponentWebHandler(t *testing.T) {
 	RegisterFailHandler(Fail)
-	RunSpecs(t, "Metrics Suite")
+	RunSpecs(t, "Component Web handler")
 }
 
 var _ = BeforeSuite(func(done Done) {
 	By("Bootstrapping test environment")
-	err := clientgoscheme.AddToScheme(scheme)
+	ctrl.SetLogger(zap.New(func(o *zap.Options) {
+		o.Development = true
+		o.DestWritter = os.Stderr
+	}))
+	By("Setup scheme")
+	err := core.AddToScheme(scheme)
 	Expect(err).Should(BeNil())
-	err = core.AddToScheme(scheme)
+	err = clientgoscheme.AddToScheme(scheme)
 	Expect(err).Should(BeNil())
-	err = crdv1.AddToScheme(scheme)
+	// the crd we will refer to
+	crd = crdv1.CustomResourceDefinition{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:   "foo.example.com",
+			Labels: map[string]string{"crd": "dependency"},
+		},
+		Spec: crdv1.CustomResourceDefinitionSpec{
+			Group: "example.com",
+			Names: crdv1.CustomResourceDefinitionNames{
+				Kind:     "Foo",
+				ListKind: "FooList",
+				Plural:   "foo",
+				Singular: "foo",
+			},
+			Versions: []crdv1.CustomResourceDefinitionVersion{
+				{
+					Name:    "v1",
+					Served:  true,
+					Storage: true,
+					Schema: &crdv1.CustomResourceValidation{
+						OpenAPIV3Schema: &crdv1.JSONSchemaProps{
+							Type: "object",
+							Properties: map[string]crdv1.JSONSchemaProps{
+								"status": {
+									Type: "object",
+									Properties: map[string]crdv1.JSONSchemaProps{
+										"key": {Type: "string"},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			Scope: crdv1.NamespaceScoped,
+		},
+	}
+	By("Prepare for the admission resource")
+	reqResource = metav1.GroupVersionResource{Group: "core.oam.dev", Version: "v1alpha2", Resource: "components"}
+	By("Prepare for the admission decoder")
+	decoder, err = admission.NewDecoder(scheme)
 	Expect(err).Should(BeNil())
+	By("Finished test bootstrap")
+	close(done)
 })