[OOM-K8S-CERT-EXTERNAL-PROVIDER] Add CertificateRequest controller test

- Add CertificateRequest controller test with fake K8s API

Issue-ID: OOM-2559
Signed-off-by: Piotr Marcinkiewicz <piotr.marcinkiewicz@nokia.com>
Change-Id: I4e32c2d28f5c4ea35dd013119dfc31acb1646582

2 files changed, 90 insertions, 4 deletions

diff --git a/certServiceK8sExternalProvider/src/testdata/provider.go b/certServiceK8sExternalProvider/src/testdata/provider.go
index 2e352cbf..6bb420c3 100644
--- a/certServiceK8sExternalProvider/src/testdata/provider.go
+++ b/certServiceK8sExternalProvider/src/testdata/provider.go
@@ -21,8 +21,13 @@
 package testdata
 
 import (
+	cmapi "github.com/jetstack/cert-manager/pkg/apis/certmanager/v1"
 	"k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/types"
+	scheme2 "k8s.io/client-go/kubernetes/scheme"
+	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
 	"onap.org/oom-certservice/k8s-external-provider/src/cmpv2api"
 )
@@ -36,15 +41,15 @@ const (
 	KeySecretKey     = "cmpv2Issuer-key.pem"
 	CertSecretKey    = "cmpv2Issuer-cert.pem"
 	CacertSecretKey  = "cacert.pem"
-	Namespace        = "default"
-	IssuerObjectName = "fakeIssuer"
+	Namespace        = "onap"
+	IssuerObjectName = "cmpv2-issuer"
 	Kind             = "CMPv2Issuer"
 	APIVersion       = "v1"
+	PrivateKeySecret = "privateKeySecretName"
 )
 
 func GetValidIssuerWithSecret() (cmpv2api.CMPv2Issuer, v1.Secret) {
 	issuer := cmpv2api.CMPv2Issuer{
-
 		TypeMeta: metav1.TypeMeta{
 			APIVersion: APIVersion,
 			Kind:       Kind,
@@ -55,8 +60,8 @@ func GetValidIssuerWithSecret() (cmpv2api.CMPv2Issuer, v1.Secret) {
 		},
 		Spec: GetValidCMPv2IssuerSpec(),
 	}
-	secret := v1.Secret{
 
+	secret := v1.Secret{
 		Data: map[string][]byte{
 			KeySecretKey:    KeyBytes,
 			CertSecretKey:   CertBytes,
@@ -87,3 +92,28 @@ func GetValidCMPv2IssuerSpec() cmpv2api.CMPv2IssuerSpec {
 	return issuerSpec
 }
 
+func GetScheme() *runtime.Scheme {
+	scheme := runtime.NewScheme()
+	_ = scheme2.AddToScheme(scheme)
+	_ = cmapi.AddToScheme(scheme)
+	_ = cmpv2api.AddToScheme(scheme)
+	return scheme
+}
+
+func GetFakeRequest(objectName string) reconcile.Request {
+	fakeRequest := reconcile.Request{
+		NamespacedName: CreateIssuerNamespaceName(Namespace, objectName),
+	}
+	return fakeRequest
+}
+
+func GetIssuerStoreKey() types.NamespacedName {
+	return CreateIssuerNamespaceName(Namespace, IssuerObjectName)
+}
+
+func CreateIssuerNamespaceName(namespace string, name string) types.NamespacedName {
+	return types.NamespacedName{
+		Namespace: namespace,
+		Name:      name,
+	}
+}
diff --git a/certServiceK8sExternalProvider/src/testdata/utils.go b/certServiceK8sExternalProvider/src/testdata/utils.go
new file mode 100644
index 00000000..af22195d
--- /dev/null
+++ b/certServiceK8sExternalProvider/src/testdata/utils.go
@@ -0,0 +1,56 @@
+/*
+ * ============LICENSE_START=======================================================
+ * oom-certservice-k8s-external-provider
+ * ================================================================================
+ * Copyright (C) 2020 Nokia. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package testdata
+
+import (
+	"bytes"
+	"io/ioutil"
+	"log"
+	"testing"
+)
+
+func ReadFile(filename string) []byte {
+	certRequest, err := ioutil.ReadFile(filename)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return certRequest
+}
+
+func VerifyCertsAreEqualToExpected(t *testing.T, signedPEM []byte, trustedCAs []byte) {
+	expectedSignedFilename := "../cmpv2provisioner/testdata/expected_signed.pem"
+	expectedTrustedFilename := "../cmpv2provisioner/testdata/expected_trusted.pem"
+
+	VerifyThatConditionIsTrue(AreSlicesEqual(signedPEM,
+		ReadFile(expectedSignedFilename)), "Signed pem is different than expected.", t)
+	VerifyThatConditionIsTrue(AreSlicesEqual(trustedCAs,
+		ReadFile(expectedTrustedFilename)), "Trusted CAs pem is different than expected.", t)
+}
+
+func AreSlicesEqual(slice1 []byte, slice2 []byte) bool {
+	return bytes.Compare(slice1, slice2) == 0
+}
+
+func VerifyThatConditionIsTrue(cond bool, message string, t *testing.T) {
+	if !cond {
+		t.Fatal(message)
+	}
+}