+/*
+ * Copyright 2005-2011 the original author or authors.
+ *
+ * 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.
+ */
+package org.wamblee.xmlrouter.impl;
+
+import static org.mockito.Matchers.*;
+import static org.mockito.Mockito.*;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.UUID;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.xml.transform.dom.DOMSource;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.wamblee.general.SystemClock;
+import org.wamblee.xmlrouter.common.Id;
+import org.wamblee.xmlrouter.config.DocumentType;
+import org.wamblee.xmlrouter.config.Filter;
+import org.wamblee.xmlrouter.config.Transformation;
+import org.wamblee.xmlrouter.listener.EventInfo;
+import org.wamblee.xmlrouter.listener.EventListener;
+import org.wamblee.xmlrouter.listener.LoggingEventListener;
+import org.wamblee.xmlrouter.subscribe.Destination;
+
+public class XMLRouterTest {
+
+ public static class MyDestination implements Destination {
+
+ private boolean receiveResult;
+ private Collection<String> types;
+
+ public MyDestination(boolean aReceiveResult, Collection<String> aTypes) {
+ receiveResult = aReceiveResult;
+ types = aTypes;
+ }
+
+ @Override
+ public Collection<String> chooseFromTargetTypes(
+ Collection<String> aPossibleTargetTypes) {
+ return types;
+ }
+
+ @Override
+ public String getName() {
+ return "xxx";
+ }
+
+ @Override
+ public boolean receive(DOMSource aEvent) {
+ return receiveResult;
+ }
+ }
+
+ private ExtendedRouterConfig routerConfig;
+ private XMLRouterConfiguration config;
+ private XMLRouter router;
+ private DOMSource source1;
+ private DOMSource source2;
+ private DOMSource source3;
+
+ private Destination destinationSpy;
+ private Id<Destination> destinationId;
+ private EventListener listener;
+
+ @Before
+ public void setUp() {
+
+ Logger logger = Logger.getLogger(XMLRouter.class.getName());
+ setLogLevel(logger, Level.FINEST);
+
+ routerConfig = new SingleRouterConfig("routerconfig");
+ config = new XMLRouterConfigurationImpl(routerConfig);
+ EventListener logListener = new LoggingEventListener(Level.INFO);
+ listener = spy(logListener);
+ router = new XMLRouter(new SystemClock(), config, listener);
+ source1 = mock(DOMSource.class);
+ source2 = mock(DOMSource.class);
+ source3 = mock(DOMSource.class);
+ }
+
+ private void setLogLevel(Logger aLogger, Level aLevel) {
+ aLogger.setLevel(aLevel);
+ for (Handler handler : aLogger.getHandlers()) {
+ handler.setLevel(Level.FINEST);
+ }
+ Logger parent = aLogger.getParent();
+ if (parent != null) {
+ setLogLevel(parent, aLevel);
+ }
+ }
+
+ @Test
+ public void testNoInputDocumentsRegistered() {
+ Destination destination = new MyDestination(true, Arrays.asList("any"));
+ destinationSpy = spy(destination);
+
+ destinationId = router.registerDestination(destinationSpy);
+ router.publish("any", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ }
+
+ @Test
+ public void testMisBehavingDocumentType() {
+ DocumentType type = mockDocument("docid");
+ doThrow(new RuntimeException("x")).when(type).isInstance(
+ any(DOMSource.class));
+ routerConfig.documentTypeConfig().add(type);
+ router.publish("xx", mock(DOMSource.class));
+ verify(listener).notDelivered(any(EventInfo.class));
+ // no exception should occur.
+ }
+
+ private DocumentType mockDocument(String docid) {
+ DocumentType type = mock(DocumentType.class);
+ when(type.getId()).thenReturn(new Id<DocumentType>(docid));
+ return type;
+ }
+
+ @Test
+ public void testMisBehavingFilter() {
+ registerDocumentType("any");
+ Filter filter = mockFilter("filterid");
+ doThrow(new RuntimeException("x")).when(filter).isAllowed(anyString(),
+ any(DOMSource.class));
+ routerConfig.filterConfig().add(filter);
+ router.publish("xx", mock(DOMSource.class));
+ verify(listener).notDelivered(any(EventInfo.class));
+ // no exception should occur.
+ }
+
+ private Filter mockFilter(String filterId) {
+ Filter filter = mock(Filter.class);
+ when(filter.getId()).thenReturn(new Id<Filter>(filterId));
+ return filter;
+ }
+
+ @Test
+ public void testOneDestinationNoTransformationSuccess() {
+ destinationSpy = registerDestination(true, "any");
+ registerDocumentType("any");
+
+ router.publish("any", source1);
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+ verify(destinationSpy).receive(same(source1));
+
+ // Unregister the destination.
+ router.unregisterDestination(destinationId);
+ resetMocks();
+ router.publish("any", source2);
+ verify(listener).notDelivered(any(EventInfo.class));
+ verifyNoMoreInteractions(destinationSpy);
+ }
+
+ private void resetMocks() {
+ reset(destinationSpy);
+ reset(listener);
+ }
+
+ private void registerDocumentType(String aType) {
+ DocumentType type = mockDocument(UUID.randomUUID().toString());
+ when(type.isInstance(any(DOMSource.class))).thenReturn(true);
+ when(type.getName()).thenReturn(aType);
+ routerConfig.documentTypeConfig().add(type);
+ }
+
+ private void registerDocumentType(String aType, DOMSource aSource) {
+ DocumentType type = mock(DocumentType.class);
+ when(type.isInstance(same(aSource))).thenReturn(true);
+ when(type.getName()).thenReturn(aType);
+ when(type.getId()).thenReturn(new Id<DocumentType>(aType));
+ routerConfig.documentTypeConfig().add(type);
+ }
+
+ private Destination registerDestination(boolean aResult, String... types) {
+ Destination destination = new MyDestination(aResult,
+ Arrays.asList(types));
+ Destination myspy = spy(destination);
+ destinationId = router.registerDestination(myspy);
+ return myspy;
+ }
+
+ @Test
+ public void testOneDestinationNotMatches() {
+ destinationSpy = registerDestination(true);
+ registerDocumentType("any");
+
+ router.publish("any", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ verify(destinationSpy, never()).receive(any(DOMSource.class));
+ }
+
+ @Test
+ public void testOneDestinationThrowsException() {
+ destinationSpy = registerDestination(true, "any");
+ registerDocumentType("any");
+
+ doThrow(new RuntimeException()).when(destinationSpy).receive(
+ any(DOMSource.class));
+
+ router.publish("any", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ verify(destinationSpy).receive(same(source1));
+ }
+
+ @Test
+ public void testOneDestinationThrowsExceptionSecondDestinationStillHandled() {
+ testOneDestinationThrowsException();
+ Destination destination2 = new MyDestination(true, Arrays.asList("any"));
+ Destination destinationSpy2 = spy(destination2);
+ Id<Destination> destinationId2 = router
+ .registerDestination(destinationSpy2);
+
+ router.publish("any", source1);
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(destinationSpy2).receive(same(source1));
+
+ }
+
+ @Test
+ public void testDestinationChooseFromTargetTypesThrowsException() {
+ destinationSpy = registerDestination(true, "any");
+ registerDocumentType("any");
+
+ doThrow(new RuntimeException()).when(destinationSpy)
+ .chooseFromTargetTypes((Collection<String>) anyObject());
+
+ router.publish("any", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ verify(destinationSpy, never()).receive(same(source1));
+ }
+
+ @Test
+ public void testDestinationChooseFromTargetTypesThrowsExceptionSecondDestinationStillOk() {
+ testDestinationChooseFromTargetTypesThrowsException();
+
+ Destination destination2 = new MyDestination(true, Arrays.asList("any"));
+ Destination destinationSpy2 = spy(destination2);
+ Id<Destination> destinationId2 = router
+ .registerDestination(destinationSpy2);
+ router.publish("any", source1);
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(destinationSpy, never()).receive(same(source1));
+ verify(destinationSpy2).receive(same(source1));
+ }
+
+ @Test
+ public void testDestinationChooseFromTargetTypesReturnsNull() {
+ destinationSpy = registerDestination(true, "any");
+ registerDocumentType("any");
+
+ when(
+ destinationSpy
+ .chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(null);
+
+ router.publish("any", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ verify(destinationSpy, never()).receive(same(source1));
+ }
+
+ @Test
+ public void testDestinationChooseFromTargetTypesReturnsNullSecondDestinationStillOk() {
+ testDestinationChooseFromTargetTypesReturnsNull();
+
+ Destination destination2 = new MyDestination(true, Arrays.asList("any"));
+ Destination destinationSpy2 = spy(destination2);
+ Id<Destination> destinationId2 = router
+ .registerDestination(destinationSpy2);
+ router.publish("any", source1);
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(destinationSpy, never()).receive(same(source1));
+ verify(destinationSpy2).receive(same(source1));
+ }
+
+ @Test
+ public void testOneTransformationOneDestination() {
+ registerDocumentType("any");
+ Transformation transformation = mock(Transformation.class);
+ when(transformation.getId())
+ .thenReturn(new Id<Transformation>("trans"));
+ when(transformation.getFromType()).thenReturn("any");
+ when(transformation.getToType()).thenReturn("bla");
+ when(transformation.transform(same(source1))).thenReturn(source2);
+ routerConfig.transformationConfig().add(transformation);
+ config.setRouterConfig(routerConfig);
+
+ Destination destination = mock(Destination.class);
+ when(
+ destination.chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(Arrays.asList("bla"));
+
+ router.registerDestination(destination);
+
+ when(destination.receive(any(DOMSource.class))).thenReturn(true);
+ router.publish("bla", source1);
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(transformation).transform(source1);
+ verify(destination).receive(same(source2));
+
+ // now the same when the destination rejects the event.
+ when(destination.receive(any(DOMSource.class))).thenReturn(false);
+ router.publish("bla", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ }
+
+ @Test
+ public void testOneTransformationOneDestinationFilterRejectsDestinationDocType() {
+ registerDocumentType("any");
+
+ Transformation transformation = mock(Transformation.class);
+ when(transformation.getId())
+ .thenReturn(new Id<Transformation>("trans"));
+ when(transformation.getFromType()).thenReturn("any");
+ when(transformation.getToType()).thenReturn("bla");
+ when(transformation.transform(same(source1))).thenReturn(source2);
+ routerConfig.transformationConfig().add(transformation);
+
+ Filter filter = mock(Filter.class);
+ when(filter.getId()).thenReturn(new Id<Filter>("f"));
+ when(filter.isAllowed(anyString(), same(source2))).thenReturn(false);
+ when(filter.isAllowed(anyString(), same(source1))).thenReturn(true);
+ routerConfig.filterConfig().add(filter);
+
+ config.setRouterConfig(routerConfig);
+
+ Destination destination = mock(Destination.class);
+ when(
+ destination.chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(Arrays.asList("bla"));
+
+ router.registerDestination(destination);
+
+ when(destination.receive(any(DOMSource.class))).thenReturn(true);
+ router.publish("bla", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+
+ verify(transformation).transform(source1);
+ verify(destination, never()).receive(any(DOMSource.class));
+ }
+
+ @Test
+ public void testMisbehavingTransformationOneDestination() {
+ registerDocumentType("any");
+ Transformation transformation = mock(Transformation.class);
+ when(transformation.getId())
+ .thenReturn(new Id<Transformation>("trans"));
+ when(transformation.getFromType()).thenReturn("any");
+ when(transformation.getToType()).thenReturn("bla");
+ doThrow(new RuntimeException("x")).when(transformation).transform(
+ same(source1));
+ routerConfig.transformationConfig().add(transformation);
+
+ Destination destination = mock(Destination.class);
+ when(
+ destination.chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(Arrays.asList("bla"));
+
+ router.registerDestination(destination);
+
+ when(destination.receive(any(DOMSource.class))).thenReturn(true);
+ router.publish("bla", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ }
+
+ private Transformation createTransformation(String aFrom, String aTo,
+ DOMSource aSource, DOMSource aTarget) {
+ Transformation transformation = mock(Transformation.class);
+ when(transformation.getId()).thenReturn(
+ new Id<Transformation>(UUID.randomUUID().toString()));
+ when(transformation.getFromType()).thenReturn(aFrom);
+ when(transformation.getToType()).thenReturn(aTo);
+ when(transformation.transform(same(aSource))).thenReturn(aTarget);
+ return transformation;
+ }
+
+ @Test
+ public void testOneTransformationReturnsNull() {
+ registerDocumentType("any");
+ Transformation transformation = createTransformation("any", "bla",
+ source1, null);
+
+ routerConfig.transformationConfig().add(transformation);
+ config.setRouterConfig(routerConfig);
+ Destination destination = mock(Destination.class);
+ when(
+ destination.chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(Arrays.asList("bla"));
+ router.registerDestination(destination);
+
+ router.publish("bla", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+
+ verify(transformation).transform(source1);
+ verify(destination, never()).receive(any(DOMSource.class));
+
+ // add second transformation that behaves normally
+ Transformation transformation2 = createTransformation("any", "bla2",
+ source1, source2);
+
+ routerConfig.transformationConfig().add(transformation2);
+ config.setRouterConfig(routerConfig);
+ when(
+ destination.chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(Arrays.asList("bla", "bla2"));
+
+ reset(transformation);
+ when(transformation.getId())
+ .thenReturn(new Id<Transformation>("trans"));
+ when(transformation.getFromType()).thenReturn("any");
+ when(transformation.getToType()).thenReturn("bla");
+ when(transformation.transform(same(source1))).thenReturn(null);
+
+ when(destination.receive(any(DOMSource.class))).thenReturn(true);
+ router.publish("bla", source1);
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(transformation).transform(source1);
+ verify(transformation2).transform(source1);
+
+ verify(destination).receive(same(source2));
+
+ }
+
+ @Test
+ public void testChooseMultipleDestinationsOneType() {
+ Destination dest1 = registerDestination(true, "any");
+ Destination dest2 = registerDestination(true, "any");
+ registerDocumentType("any");
+
+ router.publish("source", source1);
+ verify(listener, times(2)).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(dest1).receive(same(source1));
+ verify(dest2).receive(same(source1));
+ }
+
+ @Test
+ public void testMultipleDeliveryToOneDestination() {
+ Destination dest = registerDestination(true, "any", "other");
+ registerDocumentType("any", source1);
+ registerDocumentType("other", source2);
+ Transformation transformation = createTransformation("any", "other",
+ source1, source2);
+ routerConfig.transformationConfig().add(transformation);
+ config.setRouterConfig(routerConfig);
+
+ router.publish("source", source1);
+ verify(listener, times(2)).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(dest).receive(same(source1));
+ verify(dest).receive(same(source2));
+ }
+
+ @Test
+ public void testMultipleTransformations() {
+ Destination dest = registerDestination(true, "other");
+ registerDocumentType("any", source1);
+ registerDocumentType("other", source3);
+
+ Transformation t1 = createTransformation("any", "intermediate",
+ source1, source2);
+ routerConfig.transformationConfig().add(t1);
+ Transformation t2 = createTransformation("intermediate", "other",
+ source2, source3);
+ routerConfig.transformationConfig().add(t2);
+ config.setRouterConfig(routerConfig);
+
+ router.publish("source", source1);
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(true));
+
+ verify(dest).receive(same(source3));
+ }
+
+ @Test
+ public void testMultipleTransformationsFilterRejectsIntermediateDocument() {
+ Destination dest = registerDestination(true, "other");
+ registerDocumentType("any", source1);
+ registerDocumentType("other", source3);
+
+ Transformation t1 = createTransformation("any", "intermediate",
+ source1, source2);
+ routerConfig.transformationConfig().add(t1);
+ Transformation t2 = createTransformation("intermediate", "other",
+ source2, source3);
+ routerConfig.transformationConfig().add(t2);
+ config.setRouterConfig(routerConfig);
+
+ Filter filter = mock(Filter.class);
+ when(filter.getId()).thenReturn(new Id<Filter>("f"));
+ when(filter.isAllowed(anyString(), same(source1))).thenReturn(true);
+ when(filter.isAllowed(anyString(), same(source2))).thenReturn(false);
+ when(filter.isAllowed(anyString(), same(source3))).thenReturn(true);
+ routerConfig.filterConfig().add(filter);
+
+ router.publish("source", source1);
+ verify(listener).notDelivered(any(EventInfo.class));
+ verify(dest, never()).receive(any(DOMSource.class));
+ }
+
+ @Test
+ public void testDestinationGivesError() {
+ Destination destination = mock(Destination.class);
+ when(destination.getName()).thenReturn("name");
+ when(destination.chooseFromTargetTypes(anyCollectionOf(String.class)))
+ .thenReturn(Arrays.asList("any"));
+ doThrow(new RuntimeException("x")).when(destination).receive(
+ any(DOMSource.class));
+ router.registerDestination(destination);
+
+ registerDocumentType("any");
+
+ router.publish("source", source1);
+
+ verify(listener).delivered(any(EventInfo.class),
+ anyListOf(Transformation.class), anyString(), eq(false));
+
+ }
+}