+package org.wamblee.xmlrouter.impl;
+
+import static junit.framework.Assert.*;
+import static org.mockito.Matchers.*;
+import static org.mockito.Mockito.*;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+import javax.xml.transform.dom.DOMSource;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.wamblee.xmlrouter.common.Id;
+import org.wamblee.xmlrouter.config.DocumentType;
+import org.wamblee.xmlrouter.config.Transformation;
+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 XMLRouter router;
+ private DOMSource source1;
+ private DOMSource source2;
+ private DOMSource source3;
+
+ private Destination destinationSpy;
+ private Id<Destination> destinationId;
+
+ @Before
+ public void setUp() {
+ router = new XMLRouter();
+ source1 = mock(DOMSource.class);
+ source2 = mock(DOMSource.class);
+ source3 = mock(DOMSource.class);
+ }
+
+ @Test
+ public void testNoInputDocumentsRegistered() {
+ Destination destination = new MyDestination(true, Arrays.asList("any"));
+ destinationSpy = spy(destination);
+
+ destinationId = router.registerDestination(destinationSpy);
+ assertFalse(router.publish("any", source1));
+ }
+
+ @Test
+ public void testOneDestinationNoTransformationSuccess() {
+ destinationSpy = registerDestination(true, "any");
+ registerDocumentType("any");
+
+ assertTrue(router.publish("any", source1));
+ verify(destinationSpy).receive(same(source1));
+
+ // Unregister the destination.
+ router.unregisterDestination(destinationId);
+ reset(destinationSpy);
+ assertFalse(router.publish("any", source2));
+ verifyNoMoreInteractions(destinationSpy);
+ }
+
+ private void registerDocumentType(String aType) {
+ DocumentType type = mock(DocumentType.class);
+ when(type.isInstance(any(DOMSource.class))).thenReturn(true);
+ when(type.getName()).thenReturn(aType);
+ Id<DocumentType> typeId = router.addDocumentType(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);
+ Id<DocumentType> typeId = router.addDocumentType(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");
+
+ assertFalse(router.publish("any", source1));
+ 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));
+
+ assertFalse(router.publish("any", source1));
+ 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);
+
+ assertTrue(router.publish("any", source1));
+ verify(destinationSpy2).receive(same(source1));
+ }
+
+ @Test
+ public void testDestinationChooseFromTargetTypesThrowsException() {
+ destinationSpy = registerDestination(true, "any");
+ registerDocumentType("any");
+
+ doThrow(new RuntimeException()).when(destinationSpy)
+ .chooseFromTargetTypes((Collection<String>) anyObject());
+
+ assertFalse(router.publish("any", source1));
+ 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);
+ assertTrue(router.publish("any", source1));
+ 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);
+
+ assertFalse(router.publish("any", source1));
+ 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);
+ assertTrue(router.publish("any", source1));
+ verify(destinationSpy, never()).receive(same(source1));
+ verify(destinationSpy2).receive(same(source1));
+ }
+
+ @Test
+ public void testOneTransformationOneDestination() {
+ registerDocumentType("any");
+ Transformation transformation = mock(Transformation.class);
+ when(transformation.getFromType()).thenReturn("any");
+ when(transformation.getToType()).thenReturn("bla");
+ when(transformation.transform(same(source1))).thenReturn(source2);
+ router.addTransformation(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);
+ assertTrue(router.publish("bla", source1));
+
+ 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);
+ assertFalse(router.publish("bla", source1));
+ }
+
+ private Transformation createTransformation(String aFrom, String aTo,
+ DOMSource aSource, DOMSource aTarget) {
+ Transformation transformation = mock(Transformation.class);
+ 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);
+
+ router.addTransformation(transformation);
+
+ Destination destination = mock(Destination.class);
+ when(
+ destination.chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(Arrays.asList("bla"));
+ router.registerDestination(destination);
+
+ assertFalse(router.publish("bla", source1));
+
+ verify(transformation).transform(source1);
+ verify(destination, never()).receive(any(DOMSource.class));
+
+ // add second transformation that behaves normally
+ Transformation transformation2 = createTransformation("any", "bla2",
+ source1, source2);
+
+ router.addTransformation(transformation2);
+ when(
+ destination.chooseFromTargetTypes((Collection<String>) anyObject()))
+ .thenReturn(Arrays.asList("bla", "bla2"));
+
+ reset(transformation);
+ 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);
+ assertTrue(router.publish("bla", source1));
+
+ 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");
+
+ assertTrue(router.publish("source", source1));
+
+ 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);
+ router.addTransformation(transformation);
+
+ assertTrue(router.publish("source", source1));
+
+ verify(dest).receive(same(source1));
+ verify(dest).receive(same(source2));
+ }
+
+ @Test
+ public void testMultipleTransformations() {
+ Destination dest = registerDestination(true, "any", "other");
+ registerDocumentType("any", source1);
+ registerDocumentType("other", source3);
+
+ Transformation t1 = createTransformation("any", "intermediate",
+ source1, source2);
+ router.addTransformation(t1);
+ Transformation t2 = createTransformation("intermediate", "other",
+ source2, source3);
+ router.addTransformation(t2);
+
+ assertTrue(router.publish("source", source1));
+
+ verify(dest).receive(same(source3));
+ }
+}