Reactive A&AI client

*plugged reactiveHttpClient in
prh workflow
*added junit tests for workflow

Change-Id: I74f3fa7354de9b0f7f164c070ea61b70e74bde23
Issue-ID: DCAEGEN2-609
Signed-off-by: wasala <przemyslaw.wasala@nokia.com>

2 files changed, 0 insertions, 311 deletions

diff --git a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AaiProducerClient.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AaiProducerClient.java
deleted file mode 100644
index b5368c6d..00000000
--- a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AaiProducerClient.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * PNF-REGISTRATION-HANDLER
- * ================================================================================
- * Copyright (C) 2018 NOKIA Intellectual Property. 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.dcaegen2.services.prh.service;
-
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.Base64;
-import java.util.Map;
-import java.util.Optional;
-
-import java.util.function.Predicate;
-import org.apache.http.HttpEntity;
-import org.apache.http.HttpResponse;
-import org.apache.http.client.methods.HttpPatch;
-import org.apache.http.client.methods.HttpRequestBase;
-import org.apache.http.client.utils.URIBuilder;
-import org.apache.http.entity.StringEntity;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.util.EntityUtils;
-import org.onap.dcaegen2.services.prh.config.AaiClientConfiguration;
-import org.onap.dcaegen2.services.prh.model.CommonFunctions;
-import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
-import org.onap.dcaegen2.services.prh.model.utils.HttpUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class AaiProducerClient implements AaiExtendedHttpClient {
-
-    private static final String EXCEPTION_MESSAGE = "Exception while executing http client: ";
-    private static Predicate<String> isEmpty = String::isEmpty;
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
-    private final CloseableHttpClient closeableHttpClient;
-    private final String aaiHost;
-    private final String aaiProtocol;
-    private final Integer aaiHostPortNumber;
-    private final String aaiPath;
-    private final Map<String, String> aaiHeaders;
-    private final String aaiUserName;
-    private final String aaiUserPassword;
-
-    /**
-     * A{@literal &}AI client for publishing data to A{@literal &}AI.
-     *
-     * @param aaiClientConfiguration - confiuration for A{@literal &}AI
-     */
-    public AaiProducerClient(AaiClientConfiguration aaiClientConfiguration) {
-        closeableHttpClient = new AaiClientImpl(aaiClientConfiguration).getAaiHttpClient();
-        aaiHost = aaiClientConfiguration.aaiHost();
-        aaiProtocol = aaiClientConfiguration.aaiProtocol();
-        aaiHostPortNumber = aaiClientConfiguration.aaiPort();
-        aaiPath = aaiClientConfiguration.aaiBasePath() + aaiClientConfiguration.aaiPnfPath();
-        aaiHeaders = aaiClientConfiguration.aaiHeaders();
-        aaiUserName = aaiClientConfiguration.aaiUserName();
-        aaiUserPassword = aaiClientConfiguration.aaiUserPassword();
-    }
-
-
-    @Override
-    public Optional<Integer> getHttpResponse(ConsumerDmaapModel consumerDmaapModel) throws URISyntaxException {
-        return createRequest(consumerDmaapModel).flatMap(httpRequestBase -> {
-            try {
-                return closeableHttpClient.execute(httpRequestBase, this::handleResponse);
-            } catch (IOException e) {
-                logger.warn(EXCEPTION_MESSAGE, e);
-                return Optional.empty();
-            }
-        });
-    }
-
-    private Optional<HttpRequestBase> createRequest(ConsumerDmaapModel consumerDmaapModel) throws URISyntaxException {
-        final URI extendedUri = createAaiExtendedUri(consumerDmaapModel.getPnfName());
-        return createHttpRequest(extendedUri, consumerDmaapModel);
-    }
-
-    private URI createAaiExtendedUri(final String pnfName) throws URISyntaxException {
-        return new URIBuilder()
-            .setScheme(aaiProtocol)
-            .setHost(aaiHost)
-            .setPort(aaiHostPortNumber)
-            .setPath(aaiPath + "/" + pnfName).build();
-    }
-
-    private Optional<HttpRequestBase> createHttpRequest(URI extendedUri, ConsumerDmaapModel consumerDmaapModel) {
-        return Optional.ofNullable(CommonFunctions.createJsonBody(consumerDmaapModel)).filter(isEmpty.negate())
-            .flatMap(myJson -> {
-                try {
-                    logger.info("AAI: sending json {}", myJson);
-                    return Optional.of(createHttpPatch(extendedUri, myJson));
-                } catch (UnsupportedEncodingException e) {
-                    logger.warn(EXCEPTION_MESSAGE, e);
-                }
-                return Optional.empty();
-            });
-    }
-
-    HttpPatch createHttpPatch(URI extendedUri, String jsonBody) throws UnsupportedEncodingException {
-        HttpPatch httpPatch = new HttpPatch(extendedUri);
-        httpPatch.setEntity(new StringEntity(jsonBody));
-        aaiHeaders.forEach(httpPatch::addHeader);
-        httpPatch.addHeader("Content-Type", "application/merge-patch+json");
-        httpPatch.addHeader("Authorization", "Basic " + encode());
-        return httpPatch;
-    }
-
-    String encode() throws UnsupportedEncodingException {
-        return Base64.getEncoder().encodeToString((this.aaiUserName + ":" + this.aaiUserPassword)
-            .getBytes("UTF-8"));
-    }
-
-    Optional<Integer> handleResponse(HttpResponse response) throws IOException {
-
-        final Integer responseCode = response.getStatusLine().getStatusCode();
-        logger.info("Status code of operation: {}", responseCode);
-        final HttpEntity responseEntity = response.getEntity();
-
-        if (HttpUtils.isSuccessfulResponseCode(responseCode)) {
-            logger.trace("HTTP response successful.");
-            return Optional.of(responseCode);
-        } else {
-            String aaiResponse = responseEntity != null ? EntityUtils.toString(responseEntity) : "";
-            logger.warn("HTTP response not successful : {}", aaiResponse);
-            return Optional.of(responseCode);
-        }
-    }
-}
diff --git a/prh-aai-client/src/test/java/org/onap/dcaegen2/services/prh/service/AaiProducerClientTest.java b/prh-aai-client/src/test/java/org/onap/dcaegen2/services/prh/service/AaiProducerClientTest.java
deleted file mode 100644
index 13d4dcec..00000000
--- a/prh-aai-client/src/test/java/org/onap/dcaegen2/services/prh/service/AaiProducerClientTest.java
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * PNF-REGISTRATION-HANDLER
- * ================================================================================
- * Copyright (C) 2018 NOKIA Intellectual Property. 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.dcaegen2.services.prh.service;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.lang.reflect.Field;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Optional;
-
-import org.apache.http.HttpEntity;
-import org.apache.http.HttpResponse;
-import org.apache.http.HttpStatus;
-import org.apache.http.StatusLine;
-import org.apache.http.client.ResponseHandler;
-import org.apache.http.client.methods.HttpPatch;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.Test;
-import org.onap.dcaegen2.services.prh.config.AaiClientConfiguration;
-import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
-import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModelForUnitTest;
-
-class AaiProducerClientTest {
-
-    private static final Integer SUCCESS = 200;
-    private static final HttpResponse httpResponseMock = mock(HttpResponse.class);
-    private static final HttpEntity httpEntityMock = mock(HttpEntity.class);
-    private static final StatusLine statusLineMock = mock(StatusLine.class);
-
-    private static AaiProducerClient testedObject;
-    private static AaiClientConfiguration aaiHttpClientConfigurationMock = mock(AaiClientConfiguration.class);
-    private static CloseableHttpClient closeableHttpClientMock = mock(CloseableHttpClient.class);
-    private static ConsumerDmaapModel consumerDmaapModel = new ConsumerDmaapModelForUnitTest();
-
-    @BeforeAll
-    static void setup() throws NoSuchFieldException, IllegalAccessException {
-        when(aaiHttpClientConfigurationMock.aaiHost()).thenReturn("eucalyptus.es-si-eu-dhn-20.eecloud.nsn-net.net");
-        when(aaiHttpClientConfigurationMock.aaiProtocol()).thenReturn("https");
-        when(aaiHttpClientConfigurationMock.aaiPort()).thenReturn(1234);
-        when(aaiHttpClientConfigurationMock.aaiUserName()).thenReturn("PRH");
-        when(aaiHttpClientConfigurationMock.aaiUserPassword()).thenReturn("PRH");
-        when(aaiHttpClientConfigurationMock.aaiBasePath()).thenReturn("/aai/v11");
-        when(aaiHttpClientConfigurationMock.aaiPnfPath()).thenReturn("/network/pnfs/pnf");
-        when(aaiHttpClientConfigurationMock.aaiHeaders()).thenReturn(setupHeaders());
-
-        testedObject = new AaiProducerClient(aaiHttpClientConfigurationMock);
-        setField();
-    }
-
-    @Test
-    void getHttpResponse_shouldReturnSuccessStatusCode() throws IOException, URISyntaxException {
-        // when
-        when(closeableHttpClientMock.execute(any(HttpPatch.class), any(ResponseHandler.class)))
-            .thenReturn(Optional.of(SUCCESS));
-        Optional<Integer> actualResult = testedObject.getHttpResponse(consumerDmaapModel);
-        // then
-        assertEquals(SUCCESS, actualResult.get());
-    }
-
-    @Test
-    void getHttpResponse_shouldHandleIoException() throws IOException, URISyntaxException {
-        // when
-        when(closeableHttpClientMock.execute(any(HttpPatch.class), any(ResponseHandler.class)))
-            .thenThrow(new IOException("Error occur"));
-
-        // then
-        assertNotNull(testedObject.getHttpResponse(consumerDmaapModel));
-    }
-
-    @Test
-    void createHttpRequest_shouldCatchUnsupportedEncodingException() throws URISyntaxException, IOException {
-        // when
-        when(closeableHttpClientMock.execute(any(HttpPatch.class), any(ResponseHandler.class)))
-            .thenThrow(new UnsupportedEncodingException("A new Error"));
-        // then
-        assertNotNull(testedObject.getHttpResponse(consumerDmaapModel));
-    }
-
-    @Test
-    void encode_shouldCreateEncodedString_whenUserAndPasswordAreSet() throws UnsupportedEncodingException {
-        // given
-        String expected = "UFJIOlBSSA==";
-        // when
-        String result = testedObject.encode();
-        // then
-        assertNotNull(result);
-        assertEquals(expected, result);
-    }
-
-    @Test
-    void createHttpPatch_shouldContainAuthorizationBasicValue() throws UnsupportedEncodingException {
-        // given
-        String expected = "Authorization: Basic UFJIOlBSSA==";
-        // when
-        HttpPatch patch = testedObject.createHttpPatch(URI.create("localhost"), "{}");
-        // then
-        assertNotNull(patch);
-        assertEquals(expected, patch.getLastHeader("Authorization").toString());
-    }
-
-    @Test
-    void handleResponse_shouldReturn200() throws IOException {
-        // When
-        when(httpResponseMock.getEntity()).thenReturn(httpEntityMock);
-        when(httpResponseMock.getStatusLine()).thenReturn(statusLineMock);
-        when(httpResponseMock.getStatusLine().getStatusCode()).thenReturn(HttpStatus.SC_OK);
-        // Then
-        assertEquals(Optional.of(HttpStatus.SC_OK), testedObject.handleResponse(httpResponseMock));
-    }
-
-    @Test
-    void handleResponse_shouldReturn300() throws IOException {
-        // When
-        when(httpResponseMock.getEntity()).thenReturn(httpEntityMock);
-        when(httpResponseMock.getStatusLine()).thenReturn(statusLineMock);
-        when(httpResponseMock.getStatusLine().getStatusCode()).thenReturn(HttpStatus.SC_BAD_REQUEST);
-        // Then
-        assertEquals(Optional.of(HttpStatus.SC_BAD_REQUEST), testedObject.handleResponse(httpResponseMock));
-    }
-
-
-    private static void setField() throws NoSuchFieldException, IllegalAccessException {
-        Field field = testedObject.getClass().getDeclaredField("closeableHttpClient");
-        field.setAccessible(true);
-        field.set(testedObject, closeableHttpClientMock);
-    }
-
-    private static Map<String, String> setupHeaders() {
-        Map<String, String> aaiHeaders = new HashMap<>();
-        aaiHeaders.put("X-FromAppId", "prh");
-        aaiHeaders.put("X-TransactionId", "vv-temp");
-        aaiHeaders.put("Accept", "application/json");
-        aaiHeaders.put("Real-Time", "true");
-        aaiHeaders.put("Content-Type", "application/merge-patch+json");
-        return aaiHeaders;
-
-    }
-}