Increase test coverage for plugins-event-carrier

Add basic JUnit test cases for plugins-event-carrier-restserver

Issue-ID: POLICY-1513
Change-Id: I36e41bd05be71c44eb9e94350f4614437b0d205b
Signed-off-by: Parshad Patel <pars.patel@samsung.com>

4 files changed, 439 insertions, 0 deletions

diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerConsumerTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerConsumerTest.java
new file mode 100644
index 000000000..a86ffb18a
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerConsumerTest.java
@@ -0,0 +1,165 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.policy.apex.plugins.event.carrier.restserver;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import java.lang.reflect.Field;
+import javax.ws.rs.core.Response;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.apex.service.engine.event.ApexEventException;
+import org.onap.policy.apex.service.engine.event.ApexEventReceiver;
+import org.onap.policy.apex.service.engine.event.PeeredReference;
+import org.onap.policy.apex.service.engine.event.SynchronousEventCache;
+import org.onap.policy.apex.service.parameters.carriertechnology.CarrierTechnologyParameters;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
+
+public class ApexRestServerConsumerTest {
+
+    ApexRestServerConsumer apexRestServerConsumer = null;
+    EventHandlerParameters consumerParameters = null;
+    ApexEventReceiver incomingEventReceiver = null;
+    ApexRestServerProducer apexRestServerProducer = null;
+    RestServerCarrierTechnologyParameters restServerCarrierTechnologyParameters = null;
+    SynchronousEventCache synchronousEventCache = null;
+
+    /**
+     * Set up testing.
+     *
+     * @throws Exception on test set up errors.
+     */
+    @Before
+    public void setUp() throws Exception {
+        apexRestServerConsumer = new ApexRestServerConsumer();
+        consumerParameters = new EventHandlerParameters();
+        apexRestServerProducer = new ApexRestServerProducer();
+        apexRestServerConsumer.start();
+    }
+
+    @After
+    public void tearDown() {
+        apexRestServerConsumer.stop();
+    }
+
+    @Test(expected = ApexEventException.class)
+    public void testInitWithNonWebSocketCarrierTechnologyParameters() throws ApexEventException {
+        consumerParameters.setCarrierTechnologyParameters(new CarrierTechnologyParameters() {});
+        apexRestServerConsumer.init("TestApexRestServerConsumer", consumerParameters,
+                incomingEventReceiver);
+    }
+
+    @Test(expected = ApexEventException.class)
+    public void testInitWithWebSocketCarrierTechnologyParameters() throws ApexEventException {
+        restServerCarrierTechnologyParameters = new RestServerCarrierTechnologyParameters();
+        consumerParameters.setCarrierTechnologyParameters(restServerCarrierTechnologyParameters);
+        apexRestServerConsumer.init("TestApexRestServerConsumer", consumerParameters,
+                incomingEventReceiver);
+    }
+
+    @Test(expected = ApexEventException.class)
+    public void testInitWithSynchronousMode() throws ApexEventException, NoSuchFieldException,
+            SecurityException, IllegalArgumentException, IllegalAccessException {
+        restServerCarrierTechnologyParameters = new RestServerCarrierTechnologyParameters();
+        Field field = RestServerCarrierTechnologyParameters.class.getDeclaredField("standalone");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, true);
+        consumerParameters.setCarrierTechnologyParameters(restServerCarrierTechnologyParameters);
+        consumerParameters.setPeeredMode(EventHandlerPeeredMode.SYNCHRONOUS, true);
+        apexRestServerConsumer.init("TestApexRestServerConsumer", consumerParameters,
+                incomingEventReceiver);
+    }
+
+    @Test(expected = IllegalStateException.class)
+    public void testInitWithSynchronousModeAndProperValues()
+            throws ApexEventException, NoSuchFieldException, SecurityException,
+            IllegalArgumentException, IllegalAccessException {
+
+        restServerCarrierTechnologyParameters = new RestServerCarrierTechnologyParameters();
+
+        Field field = RestServerCarrierTechnologyParameters.class.getDeclaredField("standalone");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, true);
+        field = RestServerCarrierTechnologyParameters.class.getDeclaredField("host");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, "1ocalhost");
+        field = RestServerCarrierTechnologyParameters.class.getDeclaredField("port");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, 65535);
+
+        consumerParameters.setCarrierTechnologyParameters(restServerCarrierTechnologyParameters);
+        consumerParameters.setPeeredMode(EventHandlerPeeredMode.SYNCHRONOUS, true);
+        apexRestServerConsumer.init("TestApexRestServerConsumer", consumerParameters,
+                incomingEventReceiver);
+    }
+
+    @Test
+    public void testGetName() {
+        assertNull(apexRestServerConsumer.getName());
+    }
+
+    @Test
+    public void testGetPeeredReference() {
+        assertNull(apexRestServerConsumer.getPeeredReference(EventHandlerPeeredMode.REQUESTOR));
+    }
+
+    @Test
+    public void testSetPeeredReference() {
+        PeeredReference peeredReference = new PeeredReference(EventHandlerPeeredMode.REQUESTOR,
+                apexRestServerConsumer, apexRestServerProducer);
+        apexRestServerConsumer.setPeeredReference(EventHandlerPeeredMode.REQUESTOR,
+                peeredReference);
+        assertNotNull(apexRestServerConsumer.getPeeredReference(EventHandlerPeeredMode.REQUESTOR));
+    }
+
+    @Test
+    public void testReceiveEvent() throws ApexEventException {
+        Response response = apexRestServerConsumer.receiveEvent("");
+        assertEquals(Response.Status.INTERNAL_SERVER_ERROR.getStatusCode(), response.getStatus());
+    }
+
+    @Test(expected = NullPointerException.class)
+    public void testReceiveEventWithNonDefaultValues()
+            throws ApexEventException, NoSuchFieldException, SecurityException,
+            IllegalArgumentException, IllegalAccessException {
+
+        PeeredReference peeredReference = new PeeredReference(EventHandlerPeeredMode.REQUESTOR,
+                apexRestServerConsumer, apexRestServerProducer);
+        apexRestServerConsumer.setPeeredReference(EventHandlerPeeredMode.REQUESTOR,
+                peeredReference);
+
+        ApexEventReceiver apexEventReceiver = new SupportApexEventReceiver();
+
+        Field field = ApexRestServerConsumer.class.getDeclaredField("eventReceiver");
+        field.setAccessible(true);
+        field.set(apexRestServerConsumer, apexEventReceiver);
+        field = ApexRestServerConsumer.class.getDeclaredField("name");
+        field.setAccessible(true);
+        field.set(apexRestServerConsumer, "TestApexRestServerConsumer");
+
+        apexRestServerConsumer.receiveEvent("TestApexRestServerConsumer");
+
+    }
+
+
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerProducerTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerProducerTest.java
new file mode 100644
index 000000000..a286336bf
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerProducerTest.java
@@ -0,0 +1,118 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.policy.apex.plugins.event.carrier.restserver;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import java.lang.reflect.Field;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.apex.service.engine.event.ApexEventException;
+import org.onap.policy.apex.service.engine.event.ApexEventReceiver;
+import org.onap.policy.apex.service.engine.event.PeeredReference;
+import org.onap.policy.apex.service.engine.event.SynchronousEventCache;
+import org.onap.policy.apex.service.parameters.carriertechnology.CarrierTechnologyParameters;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
+
+public class ApexRestServerProducerTest {
+
+    ApexRestServerProducer apexRestServerProducer = null;
+    EventHandlerParameters producerParameters = null;
+    ApexEventReceiver incomingEventReceiver = null;
+    ApexRestServerConsumer apexRestServerConsumer = null;
+    RestServerCarrierTechnologyParameters restServerCarrierTechnologyParameters = null;
+    SynchronousEventCache synchronousEventCache = null;
+
+    /**
+     * Set up testing.
+     *
+     * @throws Exception on test set up errors.
+     */
+    @Before
+    public void setUp() throws Exception {
+        apexRestServerConsumer = new ApexRestServerConsumer();
+        producerParameters = new EventHandlerParameters();
+        apexRestServerProducer = new ApexRestServerProducer();
+    }
+
+    @After
+    public void tearDown() {
+        apexRestServerProducer.stop();
+    }
+
+    @Test(expected = ApexEventException.class)
+    public void testInitWithNonWebSocketCarrierTechnologyParameters() throws ApexEventException {
+        producerParameters.setCarrierTechnologyParameters(new CarrierTechnologyParameters() {});
+        apexRestServerProducer.init("TestApexRestServerProducer", producerParameters);
+    }
+
+    @Test(expected = ApexEventException.class)
+    public void testInitWithWebSocketCarrierTechnologyParameters() throws ApexEventException {
+        restServerCarrierTechnologyParameters = new RestServerCarrierTechnologyParameters();
+        producerParameters.setCarrierTechnologyParameters(restServerCarrierTechnologyParameters);
+        apexRestServerProducer.init("TestApexRestServerProducer", producerParameters);
+    }
+
+
+    @Test(expected = ApexEventException.class)
+    public void testInitWithNonDefaultValue() throws ApexEventException, NoSuchFieldException,
+            SecurityException, IllegalArgumentException, IllegalAccessException {
+        restServerCarrierTechnologyParameters = new RestServerCarrierTechnologyParameters();
+        Field field = RestServerCarrierTechnologyParameters.class.getDeclaredField("host");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, "1ocalhost");
+        field = RestServerCarrierTechnologyParameters.class.getDeclaredField("port");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, 65535);
+        producerParameters.setCarrierTechnologyParameters(restServerCarrierTechnologyParameters);
+        apexRestServerProducer.init("TestApexRestServerProducer", producerParameters);
+    }
+
+    @Test
+    public void testInitWithSynchronousMode() throws ApexEventException {
+        restServerCarrierTechnologyParameters = new RestServerCarrierTechnologyParameters();
+        producerParameters.setCarrierTechnologyParameters(restServerCarrierTechnologyParameters);
+        producerParameters.setPeeredMode(EventHandlerPeeredMode.SYNCHRONOUS, true);
+        apexRestServerProducer.init("TestApexRestServerProducer", producerParameters);
+        assertEquals("TestApexRestServerProducer", apexRestServerProducer.getName());
+    }
+
+    @Test
+    public void testGetName() {
+        assertNull(apexRestServerProducer.getName());
+    }
+
+    @Test
+    public void testGetPeeredReference() {
+        assertNull(apexRestServerProducer.getPeeredReference(EventHandlerPeeredMode.REQUESTOR));
+    }
+
+    @Test
+    public void testSetPeeredReference() {
+        PeeredReference peeredReference = new PeeredReference(EventHandlerPeeredMode.REQUESTOR,
+                apexRestServerConsumer, apexRestServerProducer);
+        apexRestServerProducer.setPeeredReference(EventHandlerPeeredMode.REQUESTOR,
+                peeredReference);
+        assertNotNull(apexRestServerProducer.getPeeredReference(EventHandlerPeeredMode.REQUESTOR));
+    }
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/RestServerCarrierTechnologyParametersTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/RestServerCarrierTechnologyParametersTest.java
new file mode 100644
index 000000000..198005386
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/RestServerCarrierTechnologyParametersTest.java
@@ -0,0 +1,86 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.policy.apex.plugins.event.carrier.restserver;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import java.lang.reflect.Field;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.common.parameters.GroupValidationResult;
+
+public class RestServerCarrierTechnologyParametersTest {
+
+    RestServerCarrierTechnologyParameters restServerCarrierTechnologyParameters = null;
+    GroupValidationResult result = null;
+
+    /**
+     * Set up testing.
+     *
+     * @throws Exception on test set up errors.
+     */
+    @Before
+    public void setUp() throws Exception {
+        restServerCarrierTechnologyParameters = new RestServerCarrierTechnologyParameters();
+    }
+
+    @Test
+    public void testRestServerCarrierTechnologyParameters() {
+        assertNotNull(restServerCarrierTechnologyParameters);
+        assertFalse(restServerCarrierTechnologyParameters.isStandalone());
+    }
+
+    @Test
+    public void testValidate() {
+        result = restServerCarrierTechnologyParameters.validate();
+        assertNotNull(result);
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    public void testValidateWithNonDefaultValues() throws NoSuchFieldException, SecurityException,
+            IllegalArgumentException, IllegalAccessException {
+
+        Field field = RestServerCarrierTechnologyParameters.class.getDeclaredField("standalone");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, true);
+        field = RestServerCarrierTechnologyParameters.class.getDeclaredField("host");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, "");
+        field = RestServerCarrierTechnologyParameters.class.getDeclaredField("port");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, 1023);
+        result = restServerCarrierTechnologyParameters.validate();
+        assertNotNull(result);
+        assertFalse(result.isValid());
+
+        field = RestServerCarrierTechnologyParameters.class.getDeclaredField("host");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, "");
+        field = RestServerCarrierTechnologyParameters.class.getDeclaredField("port");
+        field.setAccessible(true);
+        field.set(restServerCarrierTechnologyParameters, 1023);
+        result = restServerCarrierTechnologyParameters.validate();
+        assertNotNull(result);
+        assertFalse(result.isValid());
+    }
+
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/SupportApexEventReceiver.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/SupportApexEventReceiver.java
new file mode 100644
index 000000000..aaba4c262
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/test/java/org/onap/policy/apex/plugins/event/carrier/restserver/SupportApexEventReceiver.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.restserver;
+
+import org.onap.policy.apex.service.engine.event.ApexEventException;
+import org.onap.policy.apex.service.engine.event.ApexEventReceiver;
+
+/**
+ * Support Apex event reveiver for unit test.
+ *
+ */
+public class SupportApexEventReceiver implements ApexEventReceiver {
+    private long lastExecutionId;
+    private Object lastEvent;
+    private int eventCount;
+
+    /* (non-Javadoc)
+     * @see org.onap.policy.apex.service.engine.event.ApexEventReceiver#receiveEvent(long, java.lang.Object)
+     */
+    @Override
+    public void receiveEvent(long executionId, Object event) throws ApexEventException {
+        this.lastExecutionId = executionId;
+        this.lastEvent = event;
+        this.eventCount++;
+    }
+
+    /* (non-Javadoc)
+     * @see org.onap.policy.apex.service.engine.event.ApexEventReceiver#receiveEvent(java.lang.Object)
+     */
+    @Override
+    public void receiveEvent(Object event) throws ApexEventException {
+        this.lastEvent = event;
+        this.eventCount++;
+    }
+
+    public long getLastExecutionId() {
+        return lastExecutionId;
+    }
+
+    public Object getLastEvent() {
+        return lastEvent;
+    }
+
+    /**
+     * Get the number of events received.
+     * 
+     * @return the number of events received
+     */
+    public int getEventCount() {
+        return eventCount;
+    }
+}