Refactor Optional in MonoResponse

Added JUnit tests for DmaapConsumer
Reactive Client.

Added property for spring to run
PRH as none-web application

Change-Id: I8b762389927151387da5b79e8b75b670600ee5e8
Issue-ID: DCAEGEN2-563
Signed-off-by: wasala <przemyslaw.wasala@nokia.com>

1 files changed, 23 insertions, 15 deletions

diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java
index a99833dc..cb7d5af2 100644
--- a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java
+++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java
@@ -17,14 +17,12 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-
 package org.onap.dcaegen2.services.prh.service.consumer;
 
 import static org.springframework.web.reactive.function.client.ExchangeFilterFunctions.basicAuthentication;
 
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.util.Optional;
 import org.apache.http.client.utils.URIBuilder;
 import org.onap.dcaegen2.services.prh.config.DmaapConsumerConfiguration;
 import org.slf4j.Logger;
@@ -49,6 +47,9 @@ public class DmaapConsumerReactiveHttpClient {
     private final String dmaapTopicName;
     private final String consumerGroup;
     private final String consumerId;
+    private final String dmaapContentType;
+    private final String dmaapUserName;
+    private final String dmaapUserPassword;
 
     public DmaapConsumerReactiveHttpClient(DmaapConsumerConfiguration consumerConfiguration) {
         this.dmaapHostName = consumerConfiguration.dmaapHostName();
@@ -57,17 +58,21 @@ public class DmaapConsumerReactiveHttpClient {
         this.dmaapTopicName = consumerConfiguration.dmaapTopicName();
         this.consumerGroup = consumerConfiguration.consumerGroup();
         this.consumerId = consumerConfiguration.consumerId();
-        String dmaapContentType = consumerConfiguration.dmaapContentType();
+        this.dmaapContentType = consumerConfiguration.dmaapContentType();
+        this.dmaapUserName = consumerConfiguration.dmaapUserName();
+        this.dmaapUserPassword = consumerConfiguration.dmaapUserPassword();
+    }
+
+    public void initWebClient() {
         this.webClient = WebClient.builder()
             .defaultHeader(HttpHeaders.CONTENT_TYPE, dmaapContentType)
-            .filter(
-                basicAuthentication(consumerConfiguration.dmaapUserName(), consumerConfiguration.dmaapUserPassword()))
+            .filter(basicAuthentication(dmaapUserName, dmaapUserPassword))
             .filter(logRequest())
             .filter(logResponse())
             .build();
     }
 
-    public Mono<Optional<String>> getDmaaPConsumerResponse() {
+    public Mono<String> getDmaaPConsumerResponse() {
         try {
             return webClient
                 .get()
@@ -78,31 +83,34 @@ public class DmaapConsumerReactiveHttpClient {
                 )
                 .onStatus(HttpStatus::is5xxServerError, clientResponse ->
                     Mono.error(new Exception("HTTP 500")))
-                .bodyToMono(String.class)
-                .map(Optional::of);
+                .bodyToMono(String.class);
         } catch (URISyntaxException e) {
             logger.warn("Exception while executing HTTP request: ", e);
             return Mono.error(e);
         }
     }
 
-    private URI getUri() throws URISyntaxException {
-        return new URIBuilder().setScheme(dmaapProtocol).setHost(dmaapHostName).setPort(dmaapPortNumber)
-            .setPath(createRequestPath()).build();
-    }
-
     private String createRequestPath() {
         return dmaapTopicName + "/" + consumerGroup + "/" + consumerId;
     }
 
-    private ExchangeFilterFunction logResponse() {
+    void initWebClient(WebClient webClient) {
+        this.webClient = webClient;
+    }
+
+    ExchangeFilterFunction logResponse() {
         return ExchangeFilterFunction.ofResponseProcessor(clientResponse -> {
             logger.info("Response Status {}", clientResponse.statusCode());
             return Mono.just(clientResponse);
         });
     }
 
-    private ExchangeFilterFunction logRequest() {
+    URI getUri() throws URISyntaxException {
+        return new URIBuilder().setScheme(dmaapProtocol).setHost(dmaapHostName).setPort(dmaapPortNumber)
+            .setPath(createRequestPath()).build();
+    }
+
+    ExchangeFilterFunction logRequest() {
         return ExchangeFilterFunction.ofRequestProcessor(clientRequest -> {
             logger.info("Request: {} {}", clientRequest.method(), clientRequest.url());
             clientRequest.headers()