[OOM-K8S-CERT-EXTERNAL-PROVIDER] Add client for CertService API

Issue-ID: OOM-2559
Signed-off-by: Remigiusz Janeczek <remigiusz.janeczek@nokia.com>
Change-Id: I3bf6c36b9eec7a661202b18eb7765e332ccfbc07

1 files changed, 95 insertions, 0 deletions

diff --git a/certServiceK8sExternalProvider/src/certserviceclient/cert_service_client_factory_test.go b/certServiceK8sExternalProvider/src/certserviceclient/cert_service_client_factory_test.go
new file mode 100644
index 00000000..50a6d796
--- /dev/null
+++ b/certServiceK8sExternalProvider/src/certserviceclient/cert_service_client_factory_test.go
@@ -0,0 +1,95 @@
+/*
+ * ============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 certserviceclient
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"onap.org/oom-certservice/k8s-external-provider/src/testdata"
+)
+
+const (
+	validUrl                 = "https://oom-cert-service:8443/v1/certificate/"
+	validUrl2                = "https://oom-cert-service:8443/v1/certificate"
+	invalidUrl               = "https://oom-cert  service:8443/v1/certificate"
+	caName                   = "RA"
+	expectedCertificationUrl = "https://oom-cert-service:8443/v1/certificate/RA"
+)
+
+func Test_shouldCreateCertServiceClient(t *testing.T) {
+	shouldCreateCertServiceClientWithExpectedUrl(t, expectedCertificationUrl, validUrl)
+	shouldCreateCertServiceClientWithExpectedUrl(t, expectedCertificationUrl, validUrl2)
+}
+
+func shouldCreateCertServiceClientWithExpectedUrl(t *testing.T, expectedCertificationUrl string, baseUrl string) {
+	client, err := CreateCertServiceClient(baseUrl, caName, testdata.KeyBytes, testdata.CertBytes, testdata.CacertBytes)
+
+	assert.NotNil(t, client)
+	assert.Nil(t, err)
+	assert.Equal(t, expectedCertificationUrl, client.certificationUrl)
+}
+
+func Test_shouldReturnError_whenUrlInvalid(t *testing.T) {
+	client, err := CreateCertServiceClient(invalidUrl, caName, testdata.KeyBytes, testdata.CertBytes, testdata.CacertBytes)
+
+	assert.Nil(t, client)
+	assert.Error(t, err)
+}
+
+func Test_shouldReturnError_whenCanameEmpty(t *testing.T) {
+	client, err := CreateCertServiceClient(validUrl, "", testdata.KeyBytes, testdata.CertBytes, testdata.CacertBytes)
+
+	assert.Nil(t, client)
+	assert.Error(t, err)
+}
+
+func Test_shouldReturnError_whenKeyNotMatchingCert(t *testing.T) {
+	client, err := CreateCertServiceClient(validUrl, caName, testdata.NotMatchingKeyBytes, testdata.CertBytes, testdata.CacertBytes)
+
+	assert.Nil(t, client)
+	assert.Error(t, err)
+}
+
+func Test_shouldReturnError_whenKeyInvalid(t *testing.T) {
+	//Cert used as key
+	client, err := CreateCertServiceClient(validUrl, caName, testdata.CertBytes, testdata.CertBytes, testdata.CacertBytes)
+
+	assert.Nil(t, client)
+	assert.Error(t, err)
+}
+
+func Test_shouldReturnError_whenCertInvalid(t *testing.T) {
+	//Cacert used as cert
+	client, err := CreateCertServiceClient(validUrl, caName, testdata.KeyBytes, testdata.CacertBytes, testdata.CacertBytes)
+
+	assert.Nil(t, client)
+	assert.Error(t, err)
+}
+
+func Test_shouldReturnError_whenCacertInvalid(t *testing.T) {
+	//Key used as cacert
+	client, err := CreateCertServiceClient(validUrl, caName, testdata.KeyBytes, testdata.CertBytes, testdata.KeyBytes)
+
+	assert.Nil(t, client)
+	assert.Error(t, err)
+}