v.containsString = s
	return v
}

func strPtr(s string) *string { return &s }

func TestValidateCustomResourceDefinition(t *testing.T) {
	singleVersionList := []apiextensions.CustomResourceDefinitionVersion{
		{
			Name:    "version",
			Served:  true,
			Storage: true,
		},
	}
	tests := []struct {
		name     string
		resource *apiextensions.CustomResourceDefinition

				Spec: apiextensions.CustomResourceDefinitionSpec{
					Group:    test.group,
					Scope:    apiextensions.NamespaceScoped,
					Version:  "v1",
					Versions: []apiextensions.CustomResourceDefinitionVersion{{Name: "v1", Storage: true, Served: true}},
					Names:    apiextensions.CustomResourceDefinitionNames{Plural: "foos", Singular: "foo", Kind: "Foo", ListKind: "FooList"},

func hasPerVersionSchema(versions []apiextensions.CustomResourceDefinitionVersion) bool {
	for _, v := range versions {
		if v.Schema != nil {
			return true
		}
	}
	return false
}

// hasPerVersionSubresources returns true if a CRD uses per-version subresources.
func hasPerVersionSubresources(versions []apiextensions.CustomResourceDefinitionVersion) bool {
	for _, v := range versions {

	// Defaults to 443 for backward compatibility.
	// +optional
	Port *int32 `json:"port,omitempty" protobuf:"varint,4,opt,name=port"`
}

// CustomResourceDefinitionVersion describes a version for CRD.
type CustomResourceDefinitionVersion struct {
	// name is the version name, e.g. “v1”, “v2beta1”, etc.
	// The custom resources are served under this version at `/apis/<group>/<version>/...` if `served` is true.

	ObjectMeta: metav1.ObjectMeta{Name: "shirts.tests.example.com"},
	Spec: apiextensionsv1.CustomResourceDefinitionSpec{
		Group: "tests.example.com",
		Versions: []apiextensionsv1.CustomResourceDefinitionVersion{
			{
				Name:    "v1",
				Storage: true,
				Served:  true,
				Schema: &apiextensionsv1.CustomResourceValidation{
					OpenAPIV3Schema: &apiextensionsv1.JSONSchemaProps{
						Type: "object",

		ObjectMeta: metav1.ObjectMeta{Name: resource + "." + group},
		Spec: apiextensionsv1.CustomResourceDefinitionSpec{
			Group: group,
			Versions: []apiextensionsv1.CustomResourceDefinitionVersion{{
				Name:    version,
				Served:  true,
				Storage: true,
				Schema: &apiextensionsv1.CustomResourceValidation{
					OpenAPIV3Schema: &apiextensionsv1.JSONSchemaProps{
						Type: "object",

		"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1.CustomResourceDefinitionVersion":              schema_pkg_apis_apiextensions_v1_CustomResourceDefinitionVersion(ref),

          "x-kubernetes-list-type": "atomic"
        }
      },
      "type": "object"
    },
    "io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionVersion": {
      "description": "CustomResourceDefinitionVersion describes a version for CRD.",
      "properties": {
        "additionalPrinterColumns": {