Add a func to generate a slice of CRD pointers from a slice of CRDs

Author: LimKianAn

envtestutils/envtestutils.go

@@ -0,0 +1,11 @@
+package envtestutils
+
+import apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+
+// CRDPtrsFromCRDs generates a slice of CRD pointers from a slice of CRDs
+func CRDPtrsFromCRDs(crds []apiextensionsv1.CustomResourceDefinition) (ptrs []*apiextensionsv1.CustomResourceDefinition) {
+	for i := range crds {
+		ptrs = append(ptrs, &crds[i])
+	}
+	return
+}

envtestutils/envtestutils_suite_test.go

@@ -0,0 +1,27 @@
+// Copyright 2021 OnMetal 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 envtestutils
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestEnvtestutils(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Envtestutils Suite")
+}

envtestutils/envtestutils_test.go

@@ -0,0 +1,18 @@
+package envtestutils
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+)
+
+var _ = Describe("CRDPtrsFromCRDs", func() {
+	It("returns CRD pointers from CRDs", func() {
+		crdA := apiextensionsv1.CustomResourceDefinition{}
+		crdB := apiextensionsv1.CustomResourceDefinition{}
+
+		crds := []apiextensionsv1.CustomResourceDefinition{crdA, crdB}
+
+		Expect(CRDPtrsFromCRDs(crds)).To(Equal([]*apiextensionsv1.CustomResourceDefinition{&crdA, &crdB}))
+	})
+})

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/onsi/gomega v1.17.0
 	github.com/spf13/pflag v1.0.5
 	k8s.io/api v0.23.1
+	k8s.io/apiextensions-apiserver v0.23.0
 	k8s.io/apimachinery v0.23.1
 	k8s.io/client-go v0.23.1
 	sigs.k8s.io/controller-runtime v0.11.0