wamblee.org Git - xmlrouter/blob - impl/src/test/java/org/wamblee/xmlrouter/impl/XMLRouterTest.java

   1 /*
   2  * Copyright 2005-2011 the original author or authors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.wamblee.xmlrouter.impl;
  17
  18 import static org.mockito.Matchers.*;
  19 import static org.mockito.Mockito.*;
  20
  21 import java.util.Arrays;
  22 import java.util.Collection;
  23 import java.util.concurrent.atomic.AtomicLong;
  24 import java.util.logging.Level;
  25
  26 import javax.xml.transform.dom.DOMSource;
  27
  28 import org.junit.Before;
  29 import org.junit.Test;
  30 import org.wamblee.general.SystemClock;
  31 import org.wamblee.xmlrouter.common.Id;
  32 import org.wamblee.xmlrouter.config.DocumentType;
  33 import org.wamblee.xmlrouter.config.Filter;
  34 import org.wamblee.xmlrouter.config.Transformation;
  35 import org.wamblee.xmlrouter.listener.EventInfo;
  36 import org.wamblee.xmlrouter.listener.EventListener;
  37 import org.wamblee.xmlrouter.listener.LoggingEventListener;
  38 import org.wamblee.xmlrouter.subscribe.Destination;
  39
  40 public class XMLRouterTest {
  41
  42     public static class MyDestination implements Destination {
  43
  44         private boolean receiveResult;
  45         private Collection<String> types;
  46
  47         public MyDestination(boolean aReceiveResult, Collection<String> aTypes) {
  48             receiveResult = aReceiveResult;
  49             types = aTypes;
  50         }
  51
  52         @Override
  53         public Collection<String> chooseFromTargetTypes(
  54             Collection<String> aPossibleTargetTypes) {
  55             return types;
  56         }
  57
  58         @Override
  59         public String getName() {
  60             return "xxx";
  61         }
  62
  63         @Override
  64         public boolean receive(DOMSource aEvent) {
  65             return receiveResult;
  66         }
  67     }
  68
  69     private ExtendedRouterConfig routerConfig;
  70     private XMLRouter router;
  71     private DOMSource source1;
  72     private DOMSource source2;
  73     private DOMSource source3;
  74
  75     private Destination destinationSpy;
  76     private Id<Destination> destinationId;
  77     private EventListener listener;
  78
  79     @Before
  80     public void setUp() {
  81         routerConfig = new SingleRouterConfig(new AtomicLong(1L));
  82         EventListener logListener = new LoggingEventListener(Level.INFO);
  83         listener = spy(logListener);
  84         router = new XMLRouter(new SystemClock(), routerConfig, listener);
  85         source1 = mock(DOMSource.class);
  86         source2 = mock(DOMSource.class);
  87         source3 = mock(DOMSource.class);
  88     }
  89
  90     @Test
  91     public void testNoInputDocumentsRegistered() {
  92         Destination destination = new MyDestination(true, Arrays.asList("any"));
  93         destinationSpy = spy(destination);
  94
  95         destinationId = router.registerDestination(destinationSpy);
  96         router.publish("any", source1);
  97         verify(listener).notDelivered(any(EventInfo.class));
  98     }
  99
 100     @Test
 101     public void testMisBehavingDocumentType() {
 102         DocumentType type = mock(DocumentType.class);
 103         doThrow(new RuntimeException("x")).when(type).isInstance(
 104             any(DOMSource.class));
 105         routerConfig.documentTypeConfig().add(type);
 106         router.publish("xx", mock(DOMSource.class));
 107         verify(listener).notDelivered(any(EventInfo.class));
 108         // no exception should occur.
 109     }
 110
 111     @Test
 112     public void testMisBehavingFilter() {
 113         registerDocumentType("any");
 114         Filter filter = mock(Filter.class);
 115         doThrow(new RuntimeException("x")).when(filter).isAllowed(anyString(),
 116             any(DOMSource.class));
 117         routerConfig.filterConfig().add(filter);
 118         router.publish("xx", mock(DOMSource.class));
 119         verify(listener).notDelivered(any(EventInfo.class));
 120         // no exception should occur.
 121     }
 122
 123     @Test
 124     public void testOneDestinationNoTransformationSuccess() {
 125         destinationSpy = registerDestination(true, "any");
 126         registerDocumentType("any");
 127
 128         router.publish("any", source1);
 129         verify(listener).delivered(any(EventInfo.class),
 130             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 131         verify(destinationSpy).receive(same(source1));
 132
 133         // Unregister the destination.
 134         router.unregisterDestination(destinationId);
 135         resetMocks();
 136         router.publish("any", source2);
 137         verify(listener).notDelivered(any(EventInfo.class));
 138         verifyNoMoreInteractions(destinationSpy);
 139     }
 140
 141     private void resetMocks() {
 142         reset(destinationSpy);
 143         reset(listener);
 144     }
 145
 146     private void registerDocumentType(String aType) {
 147         DocumentType type = mock(DocumentType.class);
 148         when(type.isInstance(any(DOMSource.class))).thenReturn(true);
 149         when(type.getName()).thenReturn(aType);
 150         Id<DocumentType> typeId = routerConfig.documentTypeConfig().add(type);
 151     }
 152
 153     private void registerDocumentType(String aType, DOMSource aSource) {
 154         DocumentType type = mock(DocumentType.class);
 155         when(type.isInstance(same(aSource))).thenReturn(true);
 156         when(type.getName()).thenReturn(aType);
 157         Id<DocumentType> typeId = routerConfig.documentTypeConfig().add(type);
 158     }
 159
 160     private Destination registerDestination(boolean aResult, String... types) {
 161         Destination destination = new MyDestination(aResult,
 162             Arrays.asList(types));
 163         Destination myspy = spy(destination);
 164         destinationId = router.registerDestination(myspy);
 165         return myspy;
 166     }
 167
 168     @Test
 169     public void testOneDestinationNotMatches() {
 170         destinationSpy = registerDestination(true);
 171         registerDocumentType("any");
 172
 173         router.publish("any", source1);
 174         verify(listener).notDelivered(any(EventInfo.class));
 175         verify(destinationSpy, never()).receive(any(DOMSource.class));
 176     }
 177
 178     @Test
 179     public void testOneDestinationThrowsException() {
 180         destinationSpy = registerDestination(true, "any");
 181         registerDocumentType("any");
 182
 183         doThrow(new RuntimeException()).when(destinationSpy).receive(
 184             any(DOMSource.class));
 185
 186         router.publish("any", source1);
 187         verify(listener).notDelivered(any(EventInfo.class));
 188         verify(destinationSpy).receive(same(source1));
 189     }
 190
 191     @Test
 192     public void testOneDestinationThrowsExceptionSecondDestinationStillHandled() {
 193         testOneDestinationThrowsException();
 194         Destination destination2 = new MyDestination(true, Arrays.asList("any"));
 195         Destination destinationSpy2 = spy(destination2);
 196         Id<Destination> destinationId2 = router
 197             .registerDestination(destinationSpy2);
 198
 199         router.publish("any", source1);
 200         verify(listener).delivered(any(EventInfo.class),
 201             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 202
 203         verify(destinationSpy2).receive(same(source1));
 204
 205     }
 206
 207     @Test
 208     public void testDestinationChooseFromTargetTypesThrowsException() {
 209         destinationSpy = registerDestination(true, "any");
 210         registerDocumentType("any");
 211
 212         doThrow(new RuntimeException()).when(destinationSpy)
 213             .chooseFromTargetTypes((Collection<String>) anyObject());
 214
 215         router.publish("any", source1);
 216         verify(listener).notDelivered(any(EventInfo.class));
 217         verify(destinationSpy, never()).receive(same(source1));
 218     }
 219
 220     @Test
 221     public void testDestinationChooseFromTargetTypesThrowsExceptionSecondDestinationStillOk() {
 222         testDestinationChooseFromTargetTypesThrowsException();
 223
 224         Destination destination2 = new MyDestination(true, Arrays.asList("any"));
 225         Destination destinationSpy2 = spy(destination2);
 226         Id<Destination> destinationId2 = router
 227             .registerDestination(destinationSpy2);
 228         router.publish("any", source1);
 229         verify(listener).delivered(any(EventInfo.class),
 230             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 231
 232         verify(destinationSpy, never()).receive(same(source1));
 233         verify(destinationSpy2).receive(same(source1));
 234     }
 235
 236     @Test
 237     public void testDestinationChooseFromTargetTypesReturnsNull() {
 238         destinationSpy = registerDestination(true, "any");
 239         registerDocumentType("any");
 240
 241         when(
 242             destinationSpy
 243                 .chooseFromTargetTypes((Collection<String>) anyObject()))
 244             .thenReturn(null);
 245
 246         router.publish("any", source1);
 247         verify(listener).notDelivered(any(EventInfo.class));
 248         verify(destinationSpy, never()).receive(same(source1));
 249     }
 250
 251     @Test
 252     public void testDestinationChooseFromTargetTypesReturnsNullSecondDestinationStillOk() {
 253         testDestinationChooseFromTargetTypesReturnsNull();
 254
 255         Destination destination2 = new MyDestination(true, Arrays.asList("any"));
 256         Destination destinationSpy2 = spy(destination2);
 257         Id<Destination> destinationId2 = router
 258             .registerDestination(destinationSpy2);
 259         router.publish("any", source1);
 260         verify(listener).delivered(any(EventInfo.class),
 261             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 262
 263         verify(destinationSpy, never()).receive(same(source1));
 264         verify(destinationSpy2).receive(same(source1));
 265     }
 266
 267     @Test
 268     public void testOneTransformationOneDestination() {
 269         registerDocumentType("any");
 270         Transformation transformation = mock(Transformation.class);
 271         when(transformation.getName()).thenReturn("trans");
 272         when(transformation.getFromType()).thenReturn("any");
 273         when(transformation.getToType()).thenReturn("bla");
 274         when(transformation.transform(same(source1))).thenReturn(source2);
 275         routerConfig.transformationConfig().add(transformation);
 276
 277         Destination destination = mock(Destination.class);
 278         when(
 279             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 280             .thenReturn(Arrays.asList("bla"));
 281
 282         router.registerDestination(destination);
 283
 284         when(destination.receive(any(DOMSource.class))).thenReturn(true);
 285         router.publish("bla", source1);
 286         verify(listener).delivered(any(EventInfo.class),
 287             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 288
 289         verify(transformation).transform(source1);
 290         verify(destination).receive(same(source2));
 291
 292         // now the same when the destination rejects the event.
 293         when(destination.receive(any(DOMSource.class))).thenReturn(false);
 294         router.publish("bla", source1);
 295         verify(listener).notDelivered(any(EventInfo.class));
 296     }
 297
 298     @Test
 299     public void testMisbehavingTransformationOneDestination() {
 300         registerDocumentType("any");
 301         Transformation transformation = mock(Transformation.class);
 302         when(transformation.getName()).thenReturn("trans");
 303         when(transformation.getFromType()).thenReturn("any");
 304         when(transformation.getToType()).thenReturn("bla");
 305         doThrow(new RuntimeException("x")).when(transformation).transform(
 306             same(source1));
 307         routerConfig.transformationConfig().add(transformation);
 308
 309         Destination destination = mock(Destination.class);
 310         when(
 311             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 312             .thenReturn(Arrays.asList("bla"));
 313
 314         router.registerDestination(destination);
 315
 316         when(destination.receive(any(DOMSource.class))).thenReturn(true);
 317         router.publish("bla", source1);
 318         verify(listener).notDelivered(any(EventInfo.class));
 319     }
 320
 321     private Transformation createTransformation(String aFrom, String aTo,
 322         DOMSource aSource, DOMSource aTarget) {
 323         Transformation transformation = mock(Transformation.class);
 324         when(transformation.getName()).thenReturn("trans");
 325         when(transformation.getFromType()).thenReturn(aFrom);
 326         when(transformation.getToType()).thenReturn(aTo);
 327         when(transformation.transform(same(aSource))).thenReturn(aTarget);
 328         return transformation;
 329     }
 330
 331     @Test
 332     public void testOneTransformationReturnsNull() {
 333         registerDocumentType("any");
 334         Transformation transformation = createTransformation("any", "bla",
 335             source1, null);
 336
 337         routerConfig.transformationConfig().add(transformation);
 338
 339         Destination destination = mock(Destination.class);
 340         when(
 341             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 342             .thenReturn(Arrays.asList("bla"));
 343         router.registerDestination(destination);
 344
 345         router.publish("bla", source1);
 346         verify(listener).notDelivered(any(EventInfo.class));
 347
 348         verify(transformation).transform(source1);
 349         verify(destination, never()).receive(any(DOMSource.class));
 350
 351         // add second transformation that behaves normally
 352         Transformation transformation2 = createTransformation("any", "bla2",
 353             source1, source2);
 354
 355         routerConfig.transformationConfig().add(transformation2);
 356         when(
 357             destination.chooseFromTargetTypes((Collection<String>) anyObject()))
 358             .thenReturn(Arrays.asList("bla", "bla2"));
 359
 360         reset(transformation);
 361         when(transformation.getName()).thenReturn("trans");
 362         when(transformation.getFromType()).thenReturn("any");
 363         when(transformation.getToType()).thenReturn("bla");
 364         when(transformation.transform(same(source1))).thenReturn(null);
 365
 366         when(destination.receive(any(DOMSource.class))).thenReturn(true);
 367         router.publish("bla", source1);
 368         verify(listener).delivered(any(EventInfo.class),
 369             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 370
 371         verify(transformation).transform(source1);
 372         verify(transformation2).transform(source1);
 373
 374         verify(destination).receive(same(source2));
 375
 376     }
 377
 378     @Test
 379     public void testChooseMultipleDestinationsOneType() {
 380         Destination dest1 = registerDestination(true, "any");
 381         Destination dest2 = registerDestination(true, "any");
 382         registerDocumentType("any");
 383
 384         router.publish("source", source1);
 385         verify(listener, times(2)).delivered(any(EventInfo.class),
 386             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 387
 388         verify(dest1).receive(same(source1));
 389         verify(dest2).receive(same(source1));
 390     }
 391
 392     @Test
 393     public void testMultipleDeliveryToOneDestination() {
 394         Destination dest = registerDestination(true, "any", "other");
 395         registerDocumentType("any", source1);
 396         registerDocumentType("other", source2);
 397         Transformation transformation = createTransformation("any", "other",
 398             source1, source2);
 399         routerConfig.transformationConfig().add(transformation);
 400
 401         router.publish("source", source1);
 402         verify(listener, times(2)).delivered(any(EventInfo.class),
 403             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 404
 405         verify(dest).receive(same(source1));
 406         verify(dest).receive(same(source2));
 407     }
 408
 409     @Test
 410     public void testMultipleTransformations() {
 411         Destination dest = registerDestination(true, "other");
 412         registerDocumentType("any", source1);
 413         registerDocumentType("other", source3);
 414
 415         Transformation t1 = createTransformation("any", "intermediate",
 416             source1, source2);
 417         routerConfig.transformationConfig().add(t1);
 418         Transformation t2 = createTransformation("intermediate", "other",
 419             source2, source3);
 420         routerConfig.transformationConfig().add(t2);
 421
 422         router.publish("source", source1);
 423         verify(listener).delivered(any(EventInfo.class),
 424             anyListOf(Transformation.class), anyLong(), anyString(), eq(true));
 425
 426         verify(dest).receive(same(source3));
 427     }
 428
 429     @Test
 430     public void testDestinationGivesError() {
 431         Destination destination = mock(Destination.class);
 432         when(destination.getName()).thenReturn("name");
 433         when(destination.chooseFromTargetTypes(anyCollectionOf(String.class)))
 434             .thenReturn(Arrays.asList("any"));
 435         doThrow(new RuntimeException("x")).when(destination).receive(
 436             any(DOMSource.class));
 437         router.registerDestination(destination);
 438
 439         registerDocumentType("any");
 440
 441         router.publish("source", source1);
 442
 443         verify(listener).delivered(any(EventInfo.class),
 444             anyListOf(Transformation.class), anyLong(), anyString(), eq(false));
 445
 446     }
 447 }