Increase apex-pdp line and branch coverage

Issue-ID: POLICY-5059
Change-Id: Ifa1472dd914ec0ef25372fa057514571a7ea27ac
Signed-off-by: waynedunican <wayne.dunican@est.tech>

1 files changed, 105 insertions, 0 deletions

diff --git a/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/runtime/impl/EnEventListenerImplTest.java b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/runtime/impl/EnEventListenerImplTest.java
new file mode 100644
index 000000000..920901909
--- /dev/null
+++ b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/runtime/impl/EnEventListenerImplTest.java
@@ -0,0 +1,105 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (c) 2024 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.policy.apex.service.engine.runtime.impl;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.util.Arrays;
+import java.util.List;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.onap.policy.apex.core.engine.event.EnEvent;
+import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
+import org.onap.policy.apex.service.engine.event.ApexEvent;
+import org.onap.policy.apex.service.engine.event.impl.enevent.ApexEvent2EnEventConverter;
+import org.onap.policy.apex.service.engine.runtime.ApexEventListener;
+
+class EnEventListenerImplTest {
+
+    @Mock
+    private ApexEventListener mockApexEventListener;
+
+    @Mock
+    private ApexEvent2EnEventConverter mockApexEnEventConverter;
+
+    @Mock
+    private EnEvent mockEnEvent;
+
+    @Mock
+    private ApexEvent mockApexEvent;
+
+    @InjectMocks
+    private EnEventListenerImpl enEventListenerImpl;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void testOnEnEvent_success() throws ApexException {
+        String eventName = "testEvent";
+        when(mockEnEvent.getName()).thenReturn(eventName);
+        List<ApexEvent> apexEvents = Arrays.asList(mockApexEvent);
+        when(mockApexEnEventConverter.toApexEvent(eventName, mockEnEvent)).thenReturn(apexEvents);
+
+        assertDoesNotThrow(() -> enEventListenerImpl.onEnEvent(mockEnEvent));
+
+        verify(mockApexEventListener, times(1)).onApexEvent(mockApexEvent);
+    }
+
+    @Test
+    void testOnEnEvent_apexExceptionThrown() throws ApexException {
+        String eventName = "testEvent";
+        when(mockEnEvent.getName()).thenReturn(eventName);
+        when(mockApexEnEventConverter.toApexEvent(eventName, mockEnEvent))
+            .thenThrow(new ApexException("Conversion error"));
+
+        assertThrows(ApexException.class, () -> enEventListenerImpl.onEnEvent(mockEnEvent));
+
+        verify(mockApexEventListener, never()).onApexEvent(any(ApexEvent.class));
+    }
+
+    @Test
+    void testOnEnEvent_multipleApexEvents() throws ApexException {
+        String eventName = "testEvent";
+        when(mockEnEvent.getName()).thenReturn(eventName);
+        ApexEvent apexEvent1 = mock(ApexEvent.class);
+        ApexEvent apexEvent2 = mock(ApexEvent.class);
+        List<ApexEvent> apexEvents = Arrays.asList(apexEvent1, apexEvent2);
+        when(mockApexEnEventConverter.toApexEvent(eventName, mockEnEvent)).thenReturn(apexEvents);
+
+        assertDoesNotThrow(() -> enEventListenerImpl.onEnEvent(mockEnEvent));
+
+        verify(mockApexEventListener, times(1)).onApexEvent(apexEvent1);
+        verify(mockApexEventListener, times(1)).onApexEvent(apexEvent2);
+    }
+}