1 files changed, 247 insertions, 0 deletions
diff --git a/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/event/JsonEventHandlerForPojoTest.java b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/event/JsonEventHandlerForPojoTest.java
new file mode 100644
index 000000000..ee15d2745
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+++ b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/event/JsonEventHandlerForPojoTest.java
@@ -0,0 +1,247 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 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.service.engine.event;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.List;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.onap.policy.apex.context.parameters.ContextParameterConstants;
+import org.onap.policy.apex.context.parameters.SchemaParameters;
+import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
+import org.onap.policy.apex.model.basicmodel.handling.ApexModelException;
+import org.onap.policy.apex.model.basicmodel.handling.ApexModelReader;
+import org.onap.policy.apex.model.basicmodel.service.ModelService;
+import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
+import org.onap.policy.apex.model.utilities.TextFileUtils;
+import org.onap.policy.apex.service.engine.event.impl.jsonprotocolplugin.Apex2JsonEventConverter;
+import org.onap.policy.apex.service.engine.event.impl.jsonprotocolplugin.JsonEventProtocolParameters;
+import org.onap.policy.apex.service.engine.event.testpojos.DummyPojo;
+import org.onap.policy.apex.service.engine.event.testpojos.DummyPojoList;
+import org.onap.policy.common.parameters.ParameterService;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * Test JSON Event Handler.
+ * 
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JsonEventHandlerForPojoTest {
+    private static final XLogger logger = XLoggerFactory.getXLogger(JsonEventHandlerForPojoTest.class);
+
+    /**
+     * Setup event model.
+     *
+     * @throws IOException Signals that an I/O exception has occurred.
+     * @throws ApexModelException the apex model exception
+     */
+    @BeforeClass
+    public static void setupEventModel() throws IOException, ApexModelException {
+        final String policyModelString = TextFileUtils
+                        .getTextFileAsString("src/test/resources/policymodels/PojoEventModel.json");
+        final ApexModelReader<AxPolicyModel> modelReader = new ApexModelReader<AxPolicyModel>(AxPolicyModel.class);
+        modelReader.setValidateFlag(false);
+        final AxPolicyModel apexPolicyModel = modelReader.read(new ByteArrayInputStream(policyModelString.getBytes()));
+
+        // Set up the models in the model service
+        apexPolicyModel.register();
+    }
+
+    /**
+     * Initialize default schema parameters.
+     */
+    @BeforeClass
+    public static void initializeDefaultSchemaParameters() {
+        ParameterService.clear();
+        final SchemaParameters schemaParameters = new SchemaParameters();
+        schemaParameters.setName(ContextParameterConstants.SCHEMA_GROUP_NAME);
+        ParameterService.register(schemaParameters);
+    }
+
+    /**
+     * Teardown default schema parameters.
+     */
+    @AfterClass
+    public static void teardownDefaultSchemaParameters() {
+        ParameterService.deregister(ContextParameterConstants.SCHEMA_GROUP_NAME);
+        ModelService.clear();
+    }
+
+    /**
+     * Test POJO to apex event and back.
+     *
+     * @throws ApexException the apex exception
+     * @throws IOException on IO exceptions
+     */
+    @Test
+    public void testJsonPojoToApexEvent() throws ApexException, IOException {
+        final Apex2JsonEventConverter jsonEventConverter = new Apex2JsonEventConverter();
+        assertNotNull(jsonEventConverter);
+
+        JsonEventProtocolParameters pars = new JsonEventProtocolParameters();
+        pars.setPojoField("POJO_PAR");
+        jsonEventConverter.init(pars);
+
+        final String apexEventJsonStringIn = TextFileUtils
+                        .getTextFileAsString("src/test/resources/events/TestPojoEvent.json");
+
+        logger.debug("input event\n" + apexEventJsonStringIn);
+
+        final List<ApexEvent> apexEventList = jsonEventConverter.toApexEvent("PojoEvent", apexEventJsonStringIn);
+        assertEquals(1, apexEventList.size());
+        final ApexEvent apexEvent = apexEventList.get(0);
+        assertNotNull(apexEvent);
+
+        logger.debug(apexEvent.toString());
+
+        assertEquals("PojoEvent", apexEvent.getName());
+        assertEquals("0.0.1", apexEvent.getVersion());
+        assertEquals("org.onap.policy.apex.service.engine.event.testpojos", apexEvent.getNameSpace());
+        assertEquals("Outside", apexEvent.getSource());
+        assertEquals("Apex", apexEvent.getTarget());
+
+        DummyPojo testPojo = (DummyPojo) apexEvent.get("POJO_PAR");
+
+        assertEquals(1, testPojo.getAnInt());
+        assertEquals(2, testPojo.getAnInteger().intValue());
+        assertEquals("a string", testPojo.getSomeString());
+
+        assertEquals(10, testPojo.getTestSubPojo().getAnInt());
+        assertEquals(20, testPojo.getTestSubPojo().getAnInteger().intValue());
+        assertEquals("a sub string", testPojo.getTestSubPojo().getSomeString());
+
+        assertEquals(100, testPojo.getTestSubPojo().getTestSubSubPojo().getAnInt());
+        assertEquals(200, testPojo.getTestSubPojo().getTestSubSubPojo().getAnInteger().intValue());
+        assertEquals("a sub sub string", testPojo.getTestSubPojo().getTestSubSubPojo().getSomeString());
+
+        String eventBackInJson = (String) jsonEventConverter.fromApexEvent(apexEvent);
+        assertEquals(apexEventJsonStringIn.replaceAll("\\s+", ""), eventBackInJson.replaceAll("\\s+", ""));
+    }
+
+    /**
+     * Test POJO List to apex event and back.
+     *
+     * @throws ApexException the apex exception
+     * @throws IOException on IO exceptions
+     */
+    @Test
+    public void testJsonPojoListToApexEvent() throws ApexException, IOException {
+        final Apex2JsonEventConverter jsonEventConverter = new Apex2JsonEventConverter();
+        assertNotNull(jsonEventConverter);
+
+        JsonEventProtocolParameters pars = new JsonEventProtocolParameters();
+        pars.setPojoField("POJO_LIST_PAR");
+        jsonEventConverter.init(pars);
+
+        final String apexEventJsonStringIn = TextFileUtils
+                        .getTextFileAsString("src/test/resources/events/TestPojoListEvent.json");
+
+        logger.debug("input event\n" + apexEventJsonStringIn);
+
+        final List<ApexEvent> apexEventList = jsonEventConverter.toApexEvent("PojoListEvent", apexEventJsonStringIn);
+        assertEquals(1, apexEventList.size());
+        final ApexEvent apexEvent = apexEventList.get(0);
+        assertNotNull(apexEvent);
+
+        logger.debug(apexEvent.toString());
+
+        assertEquals("PojoListEvent", apexEvent.getName());
+        assertEquals("0.0.1", apexEvent.getVersion());
+        assertEquals("org.onap.policy.apex.service.engine.event.testpojos", apexEvent.getNameSpace());
+        assertEquals("Outside", apexEvent.getSource());
+        assertEquals("Apex", apexEvent.getTarget());
+
+        DummyPojoList testPojoList = (DummyPojoList) apexEvent.get("POJO_LIST_PAR");
+
+        for (DummyPojo testPojo : testPojoList.getTestPojoList()) {
+            assertEquals(1, testPojo.getAnInt());
+            assertEquals(2, testPojo.getAnInteger().intValue());
+            assertEquals("a string", testPojo.getSomeString());
+
+            assertEquals(10, testPojo.getTestSubPojo().getAnInt());
+            assertEquals(20, testPojo.getTestSubPojo().getAnInteger().intValue());
+            assertEquals("a sub string", testPojo.getTestSubPojo().getSomeString());
+
+            assertEquals(100, testPojo.getTestSubPojo().getTestSubSubPojo().getAnInt());
+            assertEquals(200, testPojo.getTestSubPojo().getTestSubSubPojo().getAnInteger().intValue());
+            assertEquals("a sub sub string", testPojo.getTestSubPojo().getTestSubSubPojo().getSomeString());
+        }
+        String eventBackInJson = (String) jsonEventConverter.fromApexEvent(apexEvent);
+        assertEquals(apexEventJsonStringIn.replaceAll("\\s+", ""), eventBackInJson.replaceAll("\\s+", ""));
+    }
+
+    /**
+     * Test POJO event with bad configurations.
+     *
+     * @throws ApexException the apex exception
+     * @throws IOException on IO exceptions
+     */
+    @Test
+    public void testJsonBadPojoApexEvent() throws ApexException, IOException {
+        final Apex2JsonEventConverter jsonEventConverter = new Apex2JsonEventConverter();
+        assertNotNull(jsonEventConverter);
+
+        JsonEventProtocolParameters pars = new JsonEventProtocolParameters();
+        pars.setPojoField("BAD_POJO_PAR");
+        jsonEventConverter.init(pars);
+
+        final String apexEventJsonStringIn = TextFileUtils
+                        .getTextFileAsString("src/test/resources/events/TestPojoEvent.json");
+
+        logger.debug("input event\n" + apexEventJsonStringIn);
+
+        try {
+            jsonEventConverter.toApexEvent("PojoEvent", apexEventJsonStringIn);
+            fail("test should throw an exception");
+        } catch (Exception tae) {
+            assertEquals("Failed to unmarshal JSON event: error parsing PojoEvent:0.0.1 event from Json. "
+                            + "Field BAD_POJO_PAR not found on POJO event definition.",
+                            tae.getMessage().substring(0, 133));
+        }
+
+        pars.setPojoField("POJO_PAR");
+        try {
+            jsonEventConverter.toApexEvent("PojoNoFieldEvent", apexEventJsonStringIn);
+            fail("test should throw an exception");
+        } catch (Exception tae) {
+            assertEquals("Failed to unmarshal JSON event: error parsing PojoNoFieldEvent:0.0.1 event from Json, "
+                            + "Field POJO_PAR not found, no fields defined on event.",
+                            tae.getMessage().substring(0, 139));
+        }
+
+        try {
+            jsonEventConverter.toApexEvent("PojoTooManyFieldsEvent", apexEventJsonStringIn);
+            fail("test should throw an exception");
+        } catch (Exception tae) {
+            assertEquals("Failed to unmarshal JSON event: error parsing PojoTooManyFieldsEvent:0.0.1 event from Json, "
+                            + "Field POJO_PAR, one and only one field may be defined on a POJO event definition.",
+                            tae.getMessage().substring(0, 173));
+        }
+    }
+}