Add support for parallel event handling

*Add support for parallel event handling
*Add support for handling backpressure
*Update delivery end point

Issue-ID: DCAEGEN2-1268
Change-Id: Id467080fa135b58f2d3e366f00fd8ad5e1c6ec06
Signed-off-by: JoeOLeary <joseph.o.leary@est.tech>

1 files changed, 66 insertions, 0 deletions

diff --git a/src/test/java/org/onap/dcaegen2/services/pmmapper/AppTest.java b/src/test/java/org/onap/dcaegen2/services/pmmapper/AppTest.java
new file mode 100644
index 0000000..82650f3
--- /dev/null
+++ b/src/test/java/org/onap/dcaegen2/services/pmmapper/AppTest.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.pmmapper;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import io.undertow.util.StatusCodes;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.onap.dcaegen2.services.pmmapper.model.Event;
+import org.onap.dcaegen2.services.pmmapper.model.EventMetadata;
+
+
+@ExtendWith(MockitoExtension.class)
+class AppTest {
+
+    @Test
+    void testHandleBackPressureNullValue() {
+        assertThrows(NullPointerException.class, () -> App.handleBackPressure(null));
+    }
+
+    @Test
+    void testHandleBackPressure() {
+        Event event = utils.EventUtils.makeMockEvent("", mock(EventMetadata.class));
+        App.handleBackPressure(event);
+        verify(event.getHttpServerExchange(), times(1)).setStatusCode(StatusCodes.TOO_MANY_REQUESTS);
+        verify(event.getHttpServerExchange(), times(1)).unDispatch();
+    }
+
+    @Test
+    void testReceiveRequestNullValue() {
+        assertThrows(NullPointerException.class, () -> App.receiveRequest(null));
+    }
+
+    @Test
+    void testReceiveRequest() {
+        Event event = utils.EventUtils.makeMockEvent("", mock(EventMetadata.class));
+        App.receiveRequest(event);
+        verify(event.getHttpServerExchange(), times(1)).setStatusCode(StatusCodes.OK);
+        verify(event.getHttpServerExchange(), times(1)).unDispatch();
+    }
+
+
+}