Fixed, simplified and tested AuthorizationHeadersProvider

(+small changes in poms)

Ve-Vnfm (SOL002) Adapter project

Issue-ID: SO-2574
Signed-off-by: Piotr Borelowski <p.borelowski@partner.samsung.com>
Change-Id: I480ac1d5b46aae5a9d4db8249d98c186b59fd12f

3 files changed, 51 insertions, 18 deletions

diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/provider/AuthorizationHeadersProvider.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/provider/AuthorizationHeadersProvider.java
index eca5240cb5..251e0c426b 100644
--- a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/provider/AuthorizationHeadersProvider.java
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/provider/AuthorizationHeadersProvider.java
@@ -20,29 +20,15 @@
 
 package org.onap.so.adapters.vevnfm.provider;
 
-import java.util.List;
-import org.apache.logging.log4j.util.Strings;
 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
-import org.springframework.http.HttpHeaders;
 
 public class AuthorizationHeadersProvider extends BasicHttpHeadersProvider {
 
-    private List<String> previousAuthorization;
-
     public void addAuthorization(final String authorization) {
-        final HttpHeaders headers = getHttpHeaders();
-        previousAuthorization = headers.get(AUTHORIZATION_HEADER);
-        headers.set(AUTHORIZATION_HEADER, authorization);
-    }
-
-    public void resetPrevious() {
-        if (!isPreviousAuthorizationBlank()) {
-            getHttpHeaders().addAll(AUTHORIZATION_HEADER, previousAuthorization);
-        }
+        getHttpHeaders().set(AUTHORIZATION_HEADER, authorization);
     }
 
-    private boolean isPreviousAuthorizationBlank() {
-        return previousAuthorization == null || previousAuthorization.isEmpty()
-                || Strings.isBlank(previousAuthorization.get(0));
+    public void removeAuthorization() {
+        getHttpHeaders().remove(AUTHORIZATION_HEADER);
     }
 }
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/SubscriberService.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/SubscriberService.java
index 0e77ce4073..eefd9ba93b 100644
--- a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/SubscriberService.java
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/SubscriberService.java
@@ -68,7 +68,7 @@ public class SubscriberService {
             final LccnSubscriptionRequest request = createRequest();
             return sender.send(info, request);
         } finally {
-            headersProvider.resetPrevious();
+            headersProvider.removeAuthorization();
         }
     }
 
diff --git a/adapters/mso-ve-vnfm-adapter/src/test/java/org/onap/so/adapters/vevnfm/provider/AuthorizationHeadersProviderTest.java b/adapters/mso-ve-vnfm-adapter/src/test/java/org/onap/so/adapters/vevnfm/provider/AuthorizationHeadersProviderTest.java
new file mode 100644
index 0000000000..64503ddfc2
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/test/java/org/onap/so/adapters/vevnfm/provider/AuthorizationHeadersProviderTest.java
@@ -0,0 +1,47 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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 org.onap.so.adapters.vevnfm.provider;
+
+import static org.junit.Assert.*;
+import static org.onap.so.configuration.rest.BasicHttpHeadersProvider.AUTHORIZATION_HEADER;
+import org.junit.Test;
+import org.springframework.http.HttpHeaders;
+
+public class AuthorizationHeadersProviderTest {
+
+    private static final String AUTHORIZATION_EXAMPLE = "authorization";
+
+    private final AuthorizationHeadersProvider provider = new AuthorizationHeadersProvider();
+
+    @Test
+    public void testSuccessValidAuthorizationAndRemoval() {
+        final HttpHeaders headers = provider.getHttpHeaders();
+        final int size = headers.size();
+
+        provider.addAuthorization(AUTHORIZATION_EXAMPLE);
+        assertEquals(size + 1, headers.size());
+        assertTrue(headers.containsKey(AUTHORIZATION_HEADER));
+
+        provider.removeAuthorization();
+        assertEquals(size, headers.size());
+        assertFalse(headers.containsKey(AUTHORIZATION_HEADER));
+    }
+}